core2 0.4.0

The bare essentials of std::io for use in no_std. Alloc support is optional.
Build #501312 2022-01-29T12:40:02.539579+00:00
# rustc version
rustc 1.60.0-nightly (e0a55f449 2022-01-28)# docs.rs version
docsrs 0.6.0 (142844e 2022-01-23)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/core2-0.4.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/core2-0.4.0/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" "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" "3221225472" "--cpus" "3" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "nightly" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20220128-1.60.0-nightly-e0a55f449\", \"--static-root-path\", \"/\", \"--cap-lints\", \"warn\", \"--disable-per-crate-search\"]" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-j3" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0401fac1e691ea59ecb0f21d9b7c745deab01d9e8bf5b81fa6f080e37001998
[INFO] running `Command { std: "docker" "start" "-a" "d0401fac1e691ea59ecb0f21d9b7c745deab01d9e8bf5b81fa6f080e37001998", kill_on_drop: false }`
[INFO] [stderr]  Documenting core2 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0635]: unknown feature `read_initializer`
[INFO] [stderr]  --> src/lib.rs:3:64
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![cfg_attr(all(feature = "std", feature = "nightly"), feature(read_initializer))]
[INFO] [stderr]   |                                                                ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: could not document `core2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name core2 src/lib.rs --target x86_64-unknown-linux-gnu -o /opt/rustwide/target/x86_64-unknown-linux-gnu/doc --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="nightly"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=644956994b106e3c -L dependency=/opt/rustwide/target/x86_64-unknown-linux-gnu/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/x86_64-unknown-linux-gnu/debug/deps/libmemchr-470734c97200d11e.rmeta --extern-html-root-url 'memchr=https://docs.rs/memchr/2.4.1/x86_64-unknown-linux-gnu' -Zunstable-options -Z unstable-options --emit=invocation-specific --resource-suffix -20220128-1.60.0-nightly-e0a55f449 --static-root-path / --cap-lints warn --disable-per-crate-search --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d0401fac1e691ea59ecb0f21d9b7c745deab01d9e8bf5b81fa6f080e37001998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0401fac1e691ea59ecb0f21d9b7c745deab01d9e8bf5b81fa6f080e37001998", kill_on_drop: false }`
[INFO] [stdout] d0401fac1e691ea59ecb0f21d9b7c745deab01d9e8bf5b81fa6f080e37001998