[INFO] fetching crate group-math 0.2.1...
[INFO] documenting group-math-0.2.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate group-math 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate group-math 0.2.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate group-math 0.2.1
[INFO] finished tweaking crates.io crate group-math 0.2.1
[INFO] tweaked toml for crates.io crate group-math 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61ca810faefb2617c1ecf2d44152d3c24c2eb426a767ca51713803191006e888
[INFO] running `Command { std: "docker" "start" "-a" "61ca810faefb2617c1ecf2d44152d3c24c2eb426a767ca51713803191006e888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61ca810faefb2617c1ecf2d44152d3c24c2eb426a767ca51713803191006e888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ca810faefb2617c1ecf2d44152d3c24c2eb426a767ca51713803191006e888", kill_on_drop: false }`
[INFO] [stdout] 61ca810faefb2617c1ecf2d44152d3c24c2eb426a767ca51713803191006e888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfb277eb0c5691861218b219d8d68b6de870c9c535e4641aa5bbee1dca86efa6
[INFO] running `Command { std: "docker" "start" "-a" "bfb277eb0c5691861218b219d8d68b6de870c9c535e4641aa5bbee1dca86efa6", kill_on_drop: false }`
[INFO] [stderr]  Documenting group-math v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(portable_simd)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `byte`
[INFO] [stdout]   --> src/lib.rs:16:76
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// `Into<[u8; LAMBDA]>` is not used so not included, but implemented by [`byte`] and [`int`]
[INFO] [stdout]    |                                                                            ^^^^ no item named `byte` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `int`
[INFO] [stdout]   --> src/lib.rs:16:89
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// `Into<[u8; LAMBDA]>` is not used so not included, but implemented by [`byte`] and [`int`]
[INFO] [stdout]    |                                                                                         ^^^ no item named `int` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `group-math`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name group_math src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=91459fde91f923e7 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bfb277eb0c5691861218b219d8d68b6de870c9c535e4641aa5bbee1dca86efa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb277eb0c5691861218b219d8d68b6de870c9c535e4641aa5bbee1dca86efa6", kill_on_drop: false }`
[INFO] [stdout] bfb277eb0c5691861218b219d8d68b6de870c9c535e4641aa5bbee1dca86efa6
