[INFO] cloning repository https://github.com/HomelikeBrick42/OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HomelikeBrick42/OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHomelikeBrick42%2FOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHomelikeBrick42%2FOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d34a0d3929d2d680f6a27d3910c652f15abc8c5
[INFO] documenting HomelikeBrick42/OS against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHomelikeBrick42%2FOS" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HomelikeBrick42/OS on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/HomelikeBrick42/OS
[INFO] finished tweaking git repo https://github.com/HomelikeBrick42/OS
[INFO] tweaked toml for git repo https://github.com/HomelikeBrick42/OS written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/HomelikeBrick42/OS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded psf2 v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79a54894edd42641a3b9d6655270826e439180cfb8e30755259ad033c44534c2
[INFO] running `Command { std: "docker" "start" "-a" "79a54894edd42641a3b9d6655270826e439180cfb8e30755259ad033c44534c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79a54894edd42641a3b9d6655270826e439180cfb8e30755259ad033c44534c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a54894edd42641a3b9d6655270826e439180cfb8e30755259ad033c44534c2", kill_on_drop: false }`
[INFO] [stdout] 79a54894edd42641a3b9d6655270826e439180cfb8e30755259ad033c44534c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05fa8d7e1c3199221442b38afbe21611bd888db269b784fc4019de6f384f51dc
[INFO] running `Command { std: "docker" "start" "-a" "05fa8d7e1c3199221442b38afbe21611bd888db269b784fc4019de6f384f51dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking utf16_lit v2.0.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking psf2 v0.4.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]  Documenting os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / #![feature(
[INFO] [stdout] 4 | |     try_trait_v2,
[INFO] [stdout] 5 | |     arbitrary_self_types,
[INFO] [stdout] 6 | |     panic_info_message,
[INFO] [stdout] 7 | |     allocator_api,
[INFO] [stdout] 8 | |     naked_functions
[INFO] [stdout] 9 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `os`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name os src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=e30eb17b368ea090 -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117185a2f7ae6c57.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-5414930bea910932.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-c6b5d04969449a32.so --extern psf2=/opt/rustwide/target/debug/deps/libpsf2-d6d8d7dc2790bdc9.rmeta --extern spin=/opt/rustwide/target/debug/deps/libspin-ff900ced00febecd.rmeta --extern utf16_lit=/opt/rustwide/target/debug/deps/libutf16_lit-75e1542dfb4ef95a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "05fa8d7e1c3199221442b38afbe21611bd888db269b784fc4019de6f384f51dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fa8d7e1c3199221442b38afbe21611bd888db269b784fc4019de6f384f51dc", kill_on_drop: false }`
[INFO] [stdout] 05fa8d7e1c3199221442b38afbe21611bd888db269b784fc4019de6f384f51dc
