[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] a09b5be9f2644c33da13127e8fc9a0a4536cd186
[INFO] documenting DataWraith/utility-belt against 1.91.0 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDataWraith%2Futility-belt" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DataWraith/utility-belt on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest_macros v0.23.0
[INFO] [stderr]   Downloaded bittle v0.6.0
[INFO] [stderr]   Downloaded rstest v0.23.0
[INFO] [stderr]   Downloaded counter v0.6.0
[INFO] [stderr]   Downloaded hsv v0.1.1
[INFO] [stderr]   Downloaded bytemuck v1.20.0
[INFO] [stderr]   Downloaded num-modular v0.6.1
[INFO] [stderr]   Downloaded ndarray v0.16.1
[INFO] [stderr]   Downloaded png v0.17.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88041f7681bbfa915541c0f4c8dd63e30fbaad53ec3190eab097e17fd4499bc8
[INFO] running `Command { std: "docker" "start" "-a" "88041f7681bbfa915541c0f4c8dd63e30fbaad53ec3190eab097e17fd4499bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88041f7681bbfa915541c0f4c8dd63e30fbaad53ec3190eab097e17fd4499bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88041f7681bbfa915541c0f4c8dd63e30fbaad53ec3190eab097e17fd4499bc8", kill_on_drop: false }`
[INFO] [stdout] 88041f7681bbfa915541c0f4c8dd63e30fbaad53ec3190eab097e17fd4499bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de24c4623fe988d7bf97d1e51127c233658ce15b7a9dd283efc1078a690782f4
[INFO] running `Command { std: "docker" "start" "-a" "de24c4623fe988d7bf97d1e51127c233658ce15b7a9dd283efc1078a690782f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking miniz_oxide v0.8.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling rstest_macros v0.23.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking png v0.17.15
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking bytemuck v1.20.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking image v0.25.5
[INFO] [stderr]     Checking counter v0.6.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking bittle v0.6.0
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]     Checking num-modular v0.6.1
[INFO] [stderr]     Checking hsv v0.1.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking rstest v0.23.0
[INFO] [stderr]  Documenting utility-belt v0.2025.1 (/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, const_trait_impl)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] running `Command { std: "docker" "inspect" "de24c4623fe988d7bf97d1e51127c233658ce15b7a9dd283efc1078a690782f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de24c4623fe988d7bf97d1e51127c233658ce15b7a9dd283efc1078a690782f4", kill_on_drop: false }`
[INFO] [stdout] de24c4623fe988d7bf97d1e51127c233658ce15b7a9dd283efc1078a690782f4
