[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] e829f1eedd41a5fd4181588fa7be91a38aa07d59
[INFO] documenting DataWraith/utility-belt 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%2FDataWraith%2Futility-belt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DataWraith/utility-belt 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] 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-5-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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fdeflate v0.3.3
[INFO] [stderr]   Downloaded hsv v0.1.1
[INFO] [stderr]   Downloaded rangetools v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e41b88af7bca5739d7d30fa36b642dc4c70c963653c8819b850ff0f2209b1cd2
[INFO] running `Command { std: "docker" "start" "-a" "e41b88af7bca5739d7d30fa36b642dc4c70c963653c8819b850ff0f2209b1cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41b88af7bca5739d7d30fa36b642dc4c70c963653c8819b850ff0f2209b1cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41b88af7bca5739d7d30fa36b642dc4c70c963653c8819b850ff0f2209b1cd2", kill_on_drop: false }`
[INFO] [stdout] e41b88af7bca5739d7d30fa36b642dc4c70c963653c8819b850ff0f2209b1cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d2521b2fddd13e6e15852b436fd21345c92d9d52ebee49652e13b938276a525d
[INFO] running `Command { std: "docker" "start" "-a" "d2521b2fddd13e6e15852b436fd21345c92d9d52ebee49652e13b938276a525d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking fdeflate v0.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rangetools v0.1.4
[INFO] [stderr]     Checking hsv v0.1.1
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking glam v0.24.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[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 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 `utility-belt`
[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 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=d02f2163d68efbee -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-80612a43f5a3a0f4.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-3ceee615f0565982.so --extern glam=/opt/rustwide/target/debug/deps/libglam-d5e02f9e5b46d3df.rmeta --extern hsv=/opt/rustwide/target/debug/deps/libhsv-9e51bacfe708ce1a.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-24df3c6c81c49d01.rmeta --extern indoc=/opt/rustwide/target/debug/deps/libindoc-fe111c3c964d1b96.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-55d3980e3c02ebe2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-346899eaab7c1ce2.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-bed00a717246523d.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-1c9862df8576f4f2.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-64cf2dbb8d03435b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-3b931771cbb3793e.rmeta --extern rangetools=/opt/rustwide/target/debug/deps/librangetools-f5d7d2f34dc69f1f.rmeta --extern rstest=/opt/rustwide/target/debug/deps/librstest-3cd8f455f74a549a.rmeta --extern tinyvec=/opt/rustwide/target/debug/deps/libtinyvec-2a464cf15b26478d.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d2521b2fddd13e6e15852b436fd21345c92d9d52ebee49652e13b938276a525d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2521b2fddd13e6e15852b436fd21345c92d9d52ebee49652e13b938276a525d", kill_on_drop: false }`
[INFO] [stdout] d2521b2fddd13e6e15852b436fd21345c92d9d52ebee49652e13b938276a525d
[INFO] documenting DataWraith/utility-belt against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDataWraith%2Futility-belt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DataWraith/utility-belt on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-5-tc2/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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15d97fd036080cdeb331226fe666857cd319217b7fdab3dd8b58baf2acd1b938
[INFO] running `Command { std: "docker" "start" "-a" "15d97fd036080cdeb331226fe666857cd319217b7fdab3dd8b58baf2acd1b938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15d97fd036080cdeb331226fe666857cd319217b7fdab3dd8b58baf2acd1b938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d97fd036080cdeb331226fe666857cd319217b7fdab3dd8b58baf2acd1b938", kill_on_drop: false }`
[INFO] [stdout] 15d97fd036080cdeb331226fe666857cd319217b7fdab3dd8b58baf2acd1b938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d532c0b49921154814d20661e53ffe090070bfb0a51d95a9e13545e39ac4b1ed
[INFO] running `Command { std: "docker" "start" "-a" "d532c0b49921154814d20661e53ffe090070bfb0a51d95a9e13545e39ac4b1ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking fdeflate v0.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking hsv v0.1.1
[INFO] [stderr]     Checking rangetools v0.1.4
[INFO] [stderr]     Checking glam v0.24.2
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[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 beta 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 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 `utility-belt`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-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=234cf8cd9c8952ac -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-ec9a45b984b9b2ea.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-b2d086d698be126c.so --extern glam=/opt/rustwide/target/debug/deps/libglam-30ce2c4375c6116a.rmeta --extern hsv=/opt/rustwide/target/debug/deps/libhsv-49bc18239bf1819e.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-c4dab01b935835da.rmeta --extern indoc=/opt/rustwide/target/debug/deps/libindoc-fdc90974567b6012.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-8dbcfa8504ad0ef2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-9fa431dab2af2416.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-c43633eb8a7fcf60.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-587c370dbe0d77e6.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-ac73295e5f71b461.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-0227aea0ead23fdc.rmeta --extern rangetools=/opt/rustwide/target/debug/deps/librangetools-ba0cc38d3bee9937.rmeta --extern rstest=/opt/rustwide/target/debug/deps/librstest-1a966e5c8f6d0ad9.rmeta --extern tinyvec=/opt/rustwide/target/debug/deps/libtinyvec-fd11b6de76f6df66.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d532c0b49921154814d20661e53ffe090070bfb0a51d95a9e13545e39ac4b1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d532c0b49921154814d20661e53ffe090070bfb0a51d95a9e13545e39ac4b1ed", kill_on_drop: false }`
[INFO] [stdout] d532c0b49921154814d20661e53ffe090070bfb0a51d95a9e13545e39ac4b1ed
