[INFO] cloning repository https://github.com/DataWraith/utility-belt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DataWraith/utility-belt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDataWraith%2Futility-belt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDataWraith%2Futility-belt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9a2965ed63094fa73a35108e5410a286c5881e2
[INFO] documenting DataWraith/utility-belt against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDataWraith%2Futility-belt" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DataWraith/utility-belt 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 git repo https://github.com/DataWraith/utility-belt
[INFO] finished tweaking git repo https://github.com/DataWraith/utility-belt
[INFO] tweaked toml for git repo https://github.com/DataWraith/utility-belt written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DataWraith/utility-belt 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hsv v0.1.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.71
[INFO] [stderr]   Downloaded syn v2.0.43
[INFO] [stderr]   Downloaded rangetools v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1388abc6d996436fdf8e0b15b33da643b955ce790d7ad769969a02ad0fcd16db
[INFO] running `Command { std: "docker" "start" "-a" "1388abc6d996436fdf8e0b15b33da643b955ce790d7ad769969a02ad0fcd16db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1388abc6d996436fdf8e0b15b33da643b955ce790d7ad769969a02ad0fcd16db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1388abc6d996436fdf8e0b15b33da643b955ce790d7ad769969a02ad0fcd16db", kill_on_drop: false }`
[INFO] [stdout] 1388abc6d996436fdf8e0b15b33da643b955ce790d7ad769969a02ad0fcd16db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0ed14fd506e8be678f6da2e32a7879104b6a501bb0e037369bea6cf0cf88af47
[INFO] running `Command { std: "docker" "start" "-a" "0ed14fd506e8be678f6da2e32a7879104b6a501bb0e037369bea6cf0cf88af47", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking fdeflate v0.3.3
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking glam v0.24.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking rangetools v0.1.4
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]     Checking hsv v0.1.1
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]  Documenting utility-belt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `utility-belt`
[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 utility_belt src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=309aca3b6616fa10 -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-65b9b742a09a4f8f.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-1680eec6d7066e0d.so --extern glam=/opt/rustwide/target/debug/deps/libglam-978ffcf6cede7716.rmeta --extern hsv=/opt/rustwide/target/debug/deps/libhsv-9927e22d72aa4a08.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-9c77cd8238e7b9e9.rmeta --extern indoc=/opt/rustwide/target/debug/deps/libindoc-28ce5334c3ff16bf.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-718e62fb194a164b.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-e08f6422a33b7ecb.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-fe50a848ac101029.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-6bc786506e38bcf7.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-6484fe2a198d53d6.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-84eed1b77a990a3c.rmeta --extern rangetools=/opt/rustwide/target/debug/deps/librangetools-08e1f5a3b9be3b88.rmeta --extern rstest=/opt/rustwide/target/debug/deps/librstest-4261b91927e863fd.rmeta --extern tinyvec=/opt/rustwide/target/debug/deps/libtinyvec-a6b8ab69e69ac415.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0ed14fd506e8be678f6da2e32a7879104b6a501bb0e037369bea6cf0cf88af47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed14fd506e8be678f6da2e32a7879104b6a501bb0e037369bea6cf0cf88af47", kill_on_drop: false }`
[INFO] [stdout] 0ed14fd506e8be678f6da2e32a7879104b6a501bb0e037369bea6cf0cf88af47
