proc-macro-error 1.0.4

# rustc version
rustc 1.47.0-nightly (6c8927b0c 2020-07-26)# docs.rs version
docsrs 0.6.0 (664577a 2020-07-31)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/proc-macro-error-1.0.4/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/proc-macro-error-1.0.4/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1001" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=-Z unstable-options --resource-suffix -20200726-1.47.0-nightly-6c8927b0c --static-root-path / --cap-lints warn --extern-html-root-url proc_macro_error_attr=https://docs.rs/proc-macro-error-attr/1.0.4 --extern-html-root-url quote=https://docs.rs/quote/1.0.7 --extern-html-root-url serde_derive=https://docs.rs/serde_derive/1.0.107 --extern-html-root-url toml=https://docs.rs/toml/0.5.2 --extern-html-root-url version_check=https://docs.rs/version_check/0.9.2 --extern-html-root-url syn=https://docs.rs/syn/1.0.36 --extern-html-root-url proc_macro2=https://docs.rs/proc-macro2/1.0.19 --extern-html-root-url trybuild=https://docs.rs/trybuild/1.0.31" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--cpus" "2" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--lib" "--no-deps" "-j2", kill_on_drop: false }`
[INFO] [stdout] 977a51637780d582e38cd39dd855e00f0c8573e3e41e6c558b3e40e145037d6d
[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" "977a51637780d582e38cd39dd855e00f0c8573e3e41e6c558b3e40e145037d6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]  Documenting proc-macro-error v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "977a51637780d582e38cd39dd855e00f0c8573e3e41e6c558b3e40e145037d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977a51637780d582e38cd39dd855e00f0c8573e3e41e6c558b3e40e145037d6d", kill_on_drop: false }`
[INFO] [stdout] 977a51637780d582e38cd39dd855e00f0c8573e3e41e6c558b3e40e145037d6d