syn 2.0.18 - Docs.rs

Build #1264978 2024-06-24T17:55:34.367884+00:00
x86_64-unknown-linux-gnu.txt
# rustc version
rustc 1.81.0-nightly (bcf94dec5 2024-06-23)# docs.rs version
docsrs 0.6.0 (bb8cd489 2024-06-24)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder/builds/syn-2.0.18/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder/builds/syn-2.0.18/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace-builder/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace-builder/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "6442450944" "--cpus" "6" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"--cfg\", \"doc_cfg\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20240623-1.81.0-nightly-bcf94dec5\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }`
[INFO] [stdout] 57d766afd1b5a4dae913da540caf63ab2a5cde308c7b31140b8873026f3bf81c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57d766afd1b5a4dae913da540caf63ab2a5cde308c7b31140b8873026f3bf81c", kill_on_drop: false }`
[INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op
[INFO] [stderr]  Documenting syn v2.0.18 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/lib.rs:253:13
[INFO] [stderr]     |
[INFO] [stderr] 253 | #![cfg_attr(doc_cfg, feature(doc_cfg))]
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/lib.rs:320:12
[INFO] [stderr]     |
[INFO] [stderr] 320 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/lib.rs:356:12
[INFO] [stderr]     |
[INFO] [stderr] 356 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/lib.rs:408:5
[INFO] [stderr]     |
[INFO] [stderr] 408 |     doc_cfg,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/lib.rs:419:12
[INFO] [stderr]     |
[INFO] [stderr] 419 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/lib.rs:464:12
[INFO] [stderr]     |
[INFO] [stderr] 464 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "printing"))))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/lib.rs:857:12
[INFO] [stderr]     |
[INFO] [stderr] 857 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "proc-macro"))))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/lib.rs:875:12
[INFO] [stderr]     |
[INFO] [stderr] 875 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/lib.rs:902:12
[INFO] [stderr]     |
[INFO] [stderr] 902 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/lib.rs:942:12
[INFO] [stderr]     |
[INFO] [stderr] 942 | #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "full"))))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/group.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/group.rs:215:12
[INFO] [stderr]     |
[INFO] [stderr] 215 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/group.rs:270:12
[INFO] [stderr]     |
[INFO] [stderr] 270 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:565:12
[INFO] [stderr]     |
[INFO] [stderr] 565 | #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:573:12
[INFO] [stderr]     |
[INFO] [stderr] 573 | #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:634:12
[INFO] [stderr]     |
[INFO] [stderr] 634 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:638:12
[INFO] [stderr]     |
[INFO] [stderr] 638 | #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:646:12
[INFO] [stderr]     |
[INFO] [stderr] 646 | #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:654:12
[INFO] [stderr]     |
[INFO] [stderr] 654 | #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:658:12
[INFO] [stderr]     |
[INFO] [stderr] 658 | #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:666:12
[INFO] [stderr]     |
[INFO] [stderr] 666 | #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:398:24
[INFO] [stderr]     |
[INFO] [stderr] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 560 | / define_punctuation_structs! {
[INFO] [stderr] 561 | |     "_" pub struct Underscore/1 /// wildcard patterns, inferred types, unnamed items in constants, extern crates, use declarations, and d...
[INFO] [stderr] 562 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:402:24
[INFO] [stderr]     |
[INFO] [stderr] 402 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 560 | / define_punctuation_structs! {
[INFO] [stderr] 561 | |     "_" pub struct Underscore/1 /// wildcard patterns, inferred types, unnamed items in constants, extern crates, use declarations, and d...
[INFO] [stderr] 562 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:410:24
[INFO] [stderr]     |
[INFO] [stderr] 410 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 560 | / define_punctuation_structs! {
[INFO] [stderr] 561 | |     "_" pub struct Underscore/1 /// wildcard patterns, inferred types, unnamed items in constants, extern crates, use declarations, and d...
[INFO] [stderr] 562 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:418:24
[INFO] [stderr]     |
[INFO] [stderr] 418 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 560 | / define_punctuation_structs! {
[INFO] [stderr] 561 | |     "_" pub struct Underscore/1 /// wildcard patterns, inferred types, unnamed items in constants, extern crates, use declarations, and d...
[INFO] [stderr] 562 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:422:24
[INFO] [stderr]     |
[INFO] [stderr] 422 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 560 | / define_punctuation_structs! {
[INFO] [stderr] 561 | |     "_" pub struct Underscore/1 /// wildcard patterns, inferred types, unnamed items in constants, extern crates, use declarations, and d...
[INFO] [stderr] 562 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:430:24
[INFO] [stderr]     |
[INFO] [stderr] 430 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 560 | / define_punctuation_structs! {
[INFO] [stderr] 561 | |     "_" pub struct Underscore/1 /// wildcard patterns, inferred types, unnamed items in constants, extern crates, use declarations, and d...
[INFO] [stderr] 562 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:272:24
[INFO] [stderr]     |
[INFO] [stderr] 272 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 730 | / define_keywords! {
[INFO] [stderr] 731 | |     "abstract"    pub struct Abstract
[INFO] [stderr] 732 | |     "as"          pub struct As
[INFO] [stderr] 733 | |     "async"       pub struct Async
[INFO] [stderr] ...   |
[INFO] [stderr] 782 | |     "yield"       pub struct Yield
[INFO] [stderr] 783 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:276:24
[INFO] [stderr]     |
[INFO] [stderr] 276 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 730 | / define_keywords! {
[INFO] [stderr] 731 | |     "abstract"    pub struct Abstract
[INFO] [stderr] 732 | |     "as"          pub struct As
[INFO] [stderr] 733 | |     "async"       pub struct Async
[INFO] [stderr] ...   |
[INFO] [stderr] 782 | |     "yield"       pub struct Yield
[INFO] [stderr] 783 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:284:24
[INFO] [stderr]     |
[INFO] [stderr] 284 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 730 | / define_keywords! {
[INFO] [stderr] 731 | |     "abstract"    pub struct Abstract
[INFO] [stderr] 732 | |     "as"          pub struct As
[INFO] [stderr] 733 | |     "async"       pub struct Async
[INFO] [stderr] ...   |
[INFO] [stderr] 782 | |     "yield"       pub struct Yield
[INFO] [stderr] 783 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:292:24
[INFO] [stderr]     |
[INFO] [stderr] 292 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 730 | / define_keywords! {
[INFO] [stderr] 731 | |     "abstract"    pub struct Abstract
[INFO] [stderr] 732 | |     "as"          pub struct As
[INFO] [stderr] 733 | |     "async"       pub struct Async
[INFO] [stderr] ...   |
[INFO] [stderr] 782 | |     "yield"       pub struct Yield
[INFO] [stderr] 783 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:296:24
[INFO] [stderr]     |
[INFO] [stderr] 296 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 730 | / define_keywords! {
[INFO] [stderr] 731 | |     "abstract"    pub struct Abstract
[INFO] [stderr] 732 | |     "as"          pub struct As
[INFO] [stderr] 733 | |     "async"       pub struct Async
[INFO] [stderr] ...   |
[INFO] [stderr] 782 | |     "yield"       pub struct Yield
[INFO] [stderr] 783 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:304:24
[INFO] [stderr]     |
[INFO] [stderr] 304 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 730 | / define_keywords! {
[INFO] [stderr] 731 | |     "abstract"    pub struct Abstract
[INFO] [stderr] 732 | |     "as"          pub struct As
[INFO] [stderr] 733 | |     "async"       pub struct Async
[INFO] [stderr] ...   |
[INFO] [stderr] 782 | |     "yield"       pub struct Yield
[INFO] [stderr] 783 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:310:24
[INFO] [stderr]     |
[INFO] [stderr] 310 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 730 | / define_keywords! {
[INFO] [stderr] 731 | |     "abstract"    pub struct Abstract
[INFO] [stderr] 732 | |     "as"          pub struct As
[INFO] [stderr] 733 | |     "async"       pub struct Async
[INFO] [stderr] ...   |
[INFO] [stderr] 782 | |     "yield"       pub struct Yield
[INFO] [stderr] 783 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:318:24
[INFO] [stderr]     |
[INFO] [stderr] 318 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 730 | / define_keywords! {
[INFO] [stderr] 731 | |     "abstract"    pub struct Abstract
[INFO] [stderr] 732 | |     "as"          pub struct As
[INFO] [stderr] 733 | |     "async"       pub struct Async
[INFO] [stderr] ...   |
[INFO] [stderr] 782 | |     "yield"       pub struct Yield
[INFO] [stderr] 783 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:448:24
[INFO] [stderr]     |
[INFO] [stderr] 448 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 785 | / define_punctuation! {
[INFO] [stderr] 786 | |     "&"           pub struct And/1        /// bitwise and logical AND, borrow, references, reference patterns
[INFO] [stderr] 787 | |     "&&"          pub struct AndAnd/2     /// lazy AND, borrow, references, reference patterns
[INFO] [stderr] 788 | |     "&="          pub struct AndEq/2      /// bitwise AND assignment
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |     "~"           pub struct Tilde/1      /// unused since before Rust 1.0
[INFO] [stderr] 832 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:456:24
[INFO] [stderr]     |
[INFO] [stderr] 456 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 785 | / define_punctuation! {
[INFO] [stderr] 786 | |     "&"           pub struct And/1        /// bitwise and logical AND, borrow, references, reference patterns
[INFO] [stderr] 787 | |     "&&"          pub struct AndAnd/2     /// lazy AND, borrow, references, reference patterns
[INFO] [stderr] 788 | |     "&="          pub struct AndEq/2      /// bitwise AND assignment
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |     "~"           pub struct Tilde/1      /// unused since before Rust 1.0
[INFO] [stderr] 832 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:398:24
[INFO] [stderr]     |
[INFO] [stderr] 398 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 785 | / define_punctuation! {
[INFO] [stderr] 786 | |     "&"           pub struct And/1        /// bitwise and logical AND, borrow, references, reference patterns
[INFO] [stderr] 787 | |     "&&"          pub struct AndAnd/2     /// lazy AND, borrow, references, reference patterns
[INFO] [stderr] 788 | |     "&="          pub struct AndEq/2      /// bitwise AND assignment
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |     "~"           pub struct Tilde/1      /// unused since before Rust 1.0
[INFO] [stderr] 832 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` which comes from the expansion of the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:402:24
[INFO] [stderr]     |
[INFO] [stderr] 402 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 785 | / define_punctuation! {
[INFO] [stderr] 786 | |     "&"           pub struct And/1        /// bitwise and logical AND, borrow, references, reference patterns
[INFO] [stderr] 787 | |     "&&"          pub struct AndAnd/2     /// lazy AND, borrow, references, reference patterns
[INFO] [stderr] 788 | |     "&="          pub struct AndEq/2      /// bitwise AND assignment
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |     "~"           pub struct Tilde/1      /// unused since before Rust 1.0
[INFO] [stderr] 832 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` which comes from the expansion of the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:410:24
[INFO] [stderr]     |
[INFO] [stderr] 410 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 785 | / define_punctuation! {
[INFO] [stderr] 786 | |     "&"           pub struct And/1        /// bitwise and logical AND, borrow, references, reference patterns
[INFO] [stderr] 787 | |     "&&"          pub struct AndAnd/2     /// lazy AND, borrow, references, reference patterns
[INFO] [stderr] 788 | |     "&="          pub struct AndEq/2      /// bitwise AND assignment
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |     "~"           pub struct Tilde/1      /// unused since before Rust 1.0
[INFO] [stderr] 832 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` which comes from the expansion of the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:418:24
[INFO] [stderr]     |
[INFO] [stderr] 418 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 785 | / define_punctuation! {
[INFO] [stderr] 786 | |     "&"           pub struct And/1        /// bitwise and logical AND, borrow, references, reference patterns
[INFO] [stderr] 787 | |     "&&"          pub struct AndAnd/2     /// lazy AND, borrow, references, reference patterns
[INFO] [stderr] 788 | |     "&="          pub struct AndEq/2      /// bitwise AND assignment
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |     "~"           pub struct Tilde/1      /// unused since before Rust 1.0
[INFO] [stderr] 832 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` which comes from the expansion of the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:422:24
[INFO] [stderr]     |
[INFO] [stderr] 422 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 785 | / define_punctuation! {
[INFO] [stderr] 786 | |     "&"           pub struct And/1        /// bitwise and logical AND, borrow, references, reference patterns
[INFO] [stderr] 787 | |     "&&"          pub struct AndAnd/2     /// lazy AND, borrow, references, reference patterns
[INFO] [stderr] 788 | |     "&="          pub struct AndEq/2      /// bitwise AND assignment
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |     "~"           pub struct Tilde/1      /// unused since before Rust 1.0
[INFO] [stderr] 832 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` which comes from the expansion of the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:430:24
[INFO] [stderr]     |
[INFO] [stderr] 430 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 785 | / define_punctuation! {
[INFO] [stderr] 786 | |     "&"           pub struct And/1        /// bitwise and logical AND, borrow, references, reference patterns
[INFO] [stderr] 787 | |     "&&"          pub struct AndAnd/2     /// lazy AND, borrow, references, reference patterns
[INFO] [stderr] 788 | |     "&="          pub struct AndEq/2      /// bitwise AND assignment
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |     "~"           pub struct Tilde/1      /// unused since before Rust 1.0
[INFO] [stderr] 832 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_punctuation_structs` which comes from the expansion of the macro `define_punctuation` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:505:24
[INFO] [stderr]     |
[INFO] [stderr] 505 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 834 | / define_delimiters! {
[INFO] [stderr] 835 | |     Brace         pub struct Brace        /// `{`&hellip;`}`
[INFO] [stderr] 836 | |     Bracket       pub struct Bracket      /// `[`&hellip;`]`
[INFO] [stderr] 837 | |     Parenthesis   pub struct Paren        /// `(`&hellip;`)`
[INFO] [stderr] 838 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:509:24
[INFO] [stderr]     |
[INFO] [stderr] 509 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "clone-impls")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 834 | / define_delimiters! {
[INFO] [stderr] 835 | |     Brace         pub struct Brace        /// `{`&hellip;`}`
[INFO] [stderr] 836 | |     Bracket       pub struct Bracket      /// `[`&hellip;`]`
[INFO] [stderr] 837 | |     Parenthesis   pub struct Paren        /// `(`&hellip;`)`
[INFO] [stderr] 838 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:517:24
[INFO] [stderr]     |
[INFO] [stderr] 517 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 834 | / define_delimiters! {
[INFO] [stderr] 835 | |     Brace         pub struct Brace        /// `{`&hellip;`}`
[INFO] [stderr] 836 | |     Bracket       pub struct Bracket      /// `[`&hellip;`]`
[INFO] [stderr] 837 | |     Parenthesis   pub struct Paren        /// `(`&hellip;`)`
[INFO] [stderr] 838 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:525:24
[INFO] [stderr]     |
[INFO] [stderr] 525 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 834 | / define_delimiters! {
[INFO] [stderr] 835 | |     Brace         pub struct Brace        /// `{`&hellip;`}`
[INFO] [stderr] 836 | |     Bracket       pub struct Bracket      /// `[`&hellip;`]`
[INFO] [stderr] 837 | |     Parenthesis   pub struct Paren        /// `(`&hellip;`)`
[INFO] [stderr] 838 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:529:24
[INFO] [stderr]     |
[INFO] [stderr] 529 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 834 | / define_delimiters! {
[INFO] [stderr] 835 | |     Brace         pub struct Brace        /// `{`&hellip;`}`
[INFO] [stderr] 836 | |     Bracket       pub struct Bracket      /// `[`&hellip;`]`
[INFO] [stderr] 837 | |     Parenthesis   pub struct Paren        /// `(`&hellip;`)`
[INFO] [stderr] 838 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/token.rs:537:24
[INFO] [stderr]     |
[INFO] [stderr] 537 |               #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 834 | / define_delimiters! {
[INFO] [stderr] 835 | |     Brace         pub struct Brace        /// `{`&hellip;`}`
[INFO] [stderr] 836 | |     Bracket       pub struct Bracket      /// `[`&hellip;`]`
[INFO] [stderr] 837 | |     Parenthesis   pub struct Paren        /// `(`&hellip;`)`
[INFO] [stderr] 838 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `define_delimiters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:164:16
[INFO] [stderr]     |
[INFO] [stderr] 164 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:436:16
[INFO] [stderr]     |
[INFO] [stderr] 436 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:464:16
[INFO] [stderr]     |
[INFO] [stderr] 464 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/macros.rs:146:20
[INFO] [stderr]     |
[INFO] [stderr] 146 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                      ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/attr.rs:443:1
[INFO] [stderr]     |
[INFO] [stderr] 443 | / ast_enum_of_structs! {
[INFO] [stderr] 444 | |     /// Content of a compile-time structured attribute.
[INFO] [stderr] 445 | |     ///
[INFO] [stderr] 446 | |     /// ## Path
[INFO] [stderr] ...   |
[INFO] [stderr] 473 | |     }
[INFO] [stderr] 474 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:478:16
[INFO] [stderr]     |
[INFO] [stderr] 478 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:488:16
[INFO] [stderr]     |
[INFO] [stderr] 488 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:213:16
[INFO] [stderr]     |
[INFO] [stderr] 213 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:236:16
[INFO] [stderr]     |
[INFO] [stderr] 236 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:382:16
[INFO] [stderr]     |
[INFO] [stderr] 382 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:397:16
[INFO] [stderr]     |
[INFO] [stderr] 397 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:413:16
[INFO] [stderr]     |
[INFO] [stderr] 413 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:511:16
[INFO] [stderr]     |
[INFO] [stderr] 511 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:523:16
[INFO] [stderr]     |
[INFO] [stderr] 523 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:541:16
[INFO] [stderr]     |
[INFO] [stderr] 541 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:561:16
[INFO] [stderr]     |
[INFO] [stderr] 561 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:568:16
[INFO] [stderr]     |
[INFO] [stderr] 568 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:576:16
[INFO] [stderr]     |
[INFO] [stderr] 576 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:650:16
[INFO] [stderr]     |
[INFO] [stderr] 650 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:658:16
[INFO] [stderr]     |
[INFO] [stderr] 658 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:666:16
[INFO] [stderr]     |
[INFO] [stderr] 666 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:747:16
[INFO] [stderr]     |
[INFO] [stderr] 747 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:760:16
[INFO] [stderr]     |
[INFO] [stderr] 760 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/attr.rs:768:16
[INFO] [stderr]     |
[INFO] [stderr] 768 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]   --> src/buffer.rs:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "proc-macro")))]
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]  --> src/data.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]   |                ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]   --> src/data.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/macros.rs:146:20
[INFO] [stderr]     |
[INFO] [stderr] 146 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                      ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/data.rs:21:1
[INFO] [stderr]     |
[INFO] [stderr] 21  | / ast_enum_of_structs! {
[INFO] [stderr] 22  | |     /// Data stored within an enum variant or struct.
[INFO] [stderr] 23  | |     ///
[INFO] [stderr] 24  | |     /// # Syntax tree enum
[INFO] [stderr] ...   |
[INFO] [stderr] 40  | |     }
[INFO] [stderr] 41  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]   --> src/data.rs:46:16
[INFO] [stderr]    |
[INFO] [stderr] 46 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]   --> src/data.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/data.rs:137:16
[INFO] [stderr]     |
[INFO] [stderr] 137 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/data.rs:162:16
[INFO] [stderr]     |
[INFO] [stderr] 162 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/data.rs:191:16
[INFO] [stderr]     |
[INFO] [stderr] 191 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/data.rs:202:16
[INFO] [stderr]     |
[INFO] [stderr] 202 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/data.rs:215:20
[INFO] [stderr]     |
[INFO] [stderr] 215 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/data.rs:232:20
[INFO] [stderr]     |
[INFO] [stderr] 232 |         #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/data.rs:253:16
[INFO] [stderr]     |
[INFO] [stderr] 253 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/data.rs:266:16
[INFO] [stderr]     |
[INFO] [stderr] 266 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/data.rs:275:16
[INFO] [stderr]     |
[INFO] [stderr] 275 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/data.rs:284:16
[INFO] [stderr]     |
[INFO] [stderr] 284 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]  --> src/derive.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "derive")))]
[INFO] [stderr]   |                ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]   --> src/derive.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "derive")))]
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]   --> src/derive.rs:34:16
[INFO] [stderr]    |
[INFO] [stderr] 34 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "derive")))]
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]   --> src/derive.rs:44:16
[INFO] [stderr]    |
[INFO] [stderr] 44 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "derive")))]
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]   --> src/derive.rs:54:16
[INFO] [stderr]    |
[INFO] [stderr] 54 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "derive")))]
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]   --> src/derive.rs:66:16
[INFO] [stderr]    |
[INFO] [stderr] 66 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/derive.rs:202:16
[INFO] [stderr]     |
[INFO] [stderr] 202 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]   --> src/expr.rs:87:16
[INFO] [stderr]    |
[INFO] [stderr] 87 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/macros.rs:146:20
[INFO] [stderr]     |
[INFO] [stderr] 146 |           #[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
[INFO] [stderr]     |                      ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/expr.rs:12:1
[INFO] [stderr]     |
[INFO] [stderr] 12  | / ast_enum_of_structs! {
[INFO] [stderr] 13  | |     /// A Rust expression.
[INFO] [stderr] 14  | |     ///
[INFO] [stderr] 15  | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stderr] ...   |
[INFO] [stderr] 239 | |     }
[INFO] [stderr] 240 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `generate_to_tokens` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/expr.rs:244:16
[INFO] [stderr]     |
[INFO] [stderr] 244 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/expr.rs:254:16
[INFO] [stderr]     |
[INFO] [stderr] 254 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/expr.rs:265:16
[INFO] [stderr]     |
[INFO] [stderr] 265 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/expr.rs:276:16
[INFO] [stderr]     |
[INFO] [stderr] 276 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/expr.rs:287:16
[INFO] [stderr]     |
[INFO] [stderr] 287 |     #[cfg_attr(doc_cfg, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/expr.rs:298:16
[INFO] [stderr]     |
[INFO] [stderr] 298 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stderr]    --> src/expr.rs:309:16
[INFO] [stderr]     |
[INFO] [stderr] 309 |     #[cfg_attr(doc_cfg, doc(cfg(feature = "full")))]
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }
[WARN] too much data in the log, truncating it