[INFO] fetching crate fletcher-simd 0.4.0...
[INFO] documenting fletcher-simd-0.4.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate fletcher-simd 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fletcher-simd 0.4.0 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 fletcher-simd 0.4.0
[INFO] finished tweaking crates.io crate fletcher-simd 0.4.0
[INFO] tweaked toml for crates.io crate fletcher-simd 0.4.0 written to /workspace/builds/worker-7-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] [stderr]     Updating crates.io index
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multiversion-macros v0.6.1
[INFO] [stderr]   Downloaded multiversion v0.6.1
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77cef8dd4dd01e9c4aa5d39f22a18a7da3db9bc1e809f71b13791e760c2a7306
[INFO] running `Command { std: "docker" "start" "-a" "77cef8dd4dd01e9c4aa5d39f22a18a7da3db9bc1e809f71b13791e760c2a7306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77cef8dd4dd01e9c4aa5d39f22a18a7da3db9bc1e809f71b13791e760c2a7306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77cef8dd4dd01e9c4aa5d39f22a18a7da3db9bc1e809f71b13791e760c2a7306", kill_on_drop: false }`
[INFO] [stdout] 77cef8dd4dd01e9c4aa5d39f22a18a7da3db9bc1e809f71b13791e760c2a7306
[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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dad530e078b8e52c636a167245a276485ab75ec39f9fbded7328d796837e1527
[INFO] running `Command { std: "docker" "start" "-a" "dad530e078b8e52c636a167245a276485ab75ec39f9fbded7328d796837e1527", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]  Documenting fletcher-simd v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(portable_simd)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(stdsimd)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fletcher-simd`
[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=2018 --crate-type lib --crate-name fletcher_simd src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="runtime_dispatch"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f7be027dd6d95845 -L dependency=/opt/rustwide/target/debug/deps --extern multiversion=/opt/rustwide/target/debug/deps/libmultiversion-2878287329db4d9d.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-41ad9b648b3ee545.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "dad530e078b8e52c636a167245a276485ab75ec39f9fbded7328d796837e1527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad530e078b8e52c636a167245a276485ab75ec39f9fbded7328d796837e1527", kill_on_drop: false }`
[INFO] [stdout] dad530e078b8e52c636a167245a276485ab75ec39f9fbded7328d796837e1527
[INFO] documenting fletcher-simd-0.4.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate fletcher-simd 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate fletcher-simd 0.4.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fletcher-simd 0.4.0
[INFO] finished tweaking crates.io crate fletcher-simd 0.4.0
[INFO] tweaked toml for crates.io crate fletcher-simd 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61d69c654de16ad6386f22bab92c276a88f4e6256c71268b5d51fd478f5f5d66
[INFO] running `Command { std: "docker" "start" "-a" "61d69c654de16ad6386f22bab92c276a88f4e6256c71268b5d51fd478f5f5d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61d69c654de16ad6386f22bab92c276a88f4e6256c71268b5d51fd478f5f5d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d69c654de16ad6386f22bab92c276a88f4e6256c71268b5d51fd478f5f5d66", kill_on_drop: false }`
[INFO] [stdout] 61d69c654de16ad6386f22bab92c276a88f4e6256c71268b5d51fd478f5f5d66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 966dd5fce89c60992e19d500dfec07540a7a0d5556f662b88c766f0ca543248f
[INFO] running `Command { std: "docker" "start" "-a" "966dd5fce89c60992e19d500dfec07540a7a0d5556f662b88c766f0ca543248f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]  Documenting fletcher-simd v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `core::simd::SimdUint`
[INFO] [stdout]   --> src/lib.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 |         simd::{LaneCount, Simd, SimdElement, SimdUint, SupportedLaneCount},
[INFO] [stdout]    |                                              ^^^^^^^^ no `SimdUint` in `simd`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing one of these items instead:
[INFO] [stdout]            core::simd::prelude::SimdUint
[INFO] [stdout]            std::simd::prelude::SimdUint
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fletcher-simd`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name fletcher_simd src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="runtime_dispatch"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=610e1f41bb128264 -L dependency=/opt/rustwide/target/debug/deps --extern multiversion=/opt/rustwide/target/debug/deps/libmultiversion-69ec8ca8862a87b8.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-a701397777384a11.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "966dd5fce89c60992e19d500dfec07540a7a0d5556f662b88c766f0ca543248f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966dd5fce89c60992e19d500dfec07540a7a0d5556f662b88c766f0ca543248f", kill_on_drop: false }`
[INFO] [stdout] 966dd5fce89c60992e19d500dfec07540a7a0d5556f662b88c766f0ca543248f
