[INFO] fetching crate polished-css 0.1.0...
[INFO] documenting polished-css-0.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate polished-css 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate polished-css 0.1.0 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 crates.io crate polished-css 0.1.0
[INFO] finished tweaking crates.io crate polished-css 0.1.0
[INFO] tweaked toml for crates.io crate polished-css 0.1.0 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" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gloo-worker v0.4.0
[INFO] [stderr]   Downloaded gloo-render v0.2.0
[INFO] [stderr]   Downloaded gloo-storage v0.3.0
[INFO] [stderr]   Downloaded implicit-clone-derive v0.1.1
[INFO] [stderr]   Downloaded gloo-dialogs v0.2.0
[INFO] [stderr]   Downloaded implicit-clone v0.4.8
[INFO] [stderr]   Downloaded gloo-events v0.2.0
[INFO] [stderr]   Downloaded gloo-console v0.3.0
[INFO] [stderr]   Downloaded gloo-timers v0.3.0
[INFO] [stderr]   Downloaded yew v0.21.0
[INFO] [stderr]   Downloaded polished-css-macros v0.1.0
[INFO] [stderr]   Downloaded gloo-file v0.3.0
[INFO] [stderr]   Downloaded gloo-worker-macros v0.1.0
[INFO] [stderr]   Downloaded yew-macro v0.21.0
[INFO] [stderr]   Downloaded gloo v0.10.0
[INFO] [stderr]   Downloaded typed-builder-macro v0.16.2
[INFO] [stderr]   Downloaded typed-builder v0.16.2
[INFO] [stderr]   Downloaded gloo-history v0.2.2
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96ad803a4668e55f048c0d459a0386b96401998137008e97be876bb0f46abc96
[INFO] running `Command { std: "docker" "start" "-a" "96ad803a4668e55f048c0d459a0386b96401998137008e97be876bb0f46abc96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ad803a4668e55f048c0d459a0386b96401998137008e97be876bb0f46abc96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ad803a4668e55f048c0d459a0386b96401998137008e97be876bb0f46abc96", kill_on_drop: false }`
[INFO] [stdout] 96ad803a4668e55f048c0d459a0386b96401998137008e97be876bb0f46abc96
[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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cadb3bdd0e7829c64a15fc8e9c8fec997d2c6b612b8d25dfbf45f519f410203
[INFO] running `Command { std: "docker" "start" "-a" "1cadb3bdd0e7829c64a15fc8e9c8fec997d2c6b612b8d25dfbf45f519f410203", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling darling_core v0.20.6
[INFO] [stderr]    Compiling typed-builder-macro v0.16.2
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling darling_macro v0.20.6
[INFO] [stderr]     Checking typed-builder v0.16.2
[INFO] [stderr]    Compiling darling v0.20.6
[INFO] [stderr]    Compiling polished-css-macros v0.1.0
[INFO] [stderr]  Documenting polished-css v0.1.0 (/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(const_trait_impl)]
[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 `polished-css`
[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 polished_css src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=25c6a518815965d3 -L dependency=/opt/rustwide/target/debug/deps --extern paste=/opt/rustwide/target/debug/deps/libpaste-05e44ee96a978324.so --extern polished_css_macros=/opt/rustwide/target/debug/deps/libpolished_css_macros-f03b5612d5d8ef6b.so --extern regex=/opt/rustwide/target/debug/deps/libregex-c4eddf7df4eb8638.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-97797638078418e5.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-1dea029c05a677cf.so --extern typed_builder=/opt/rustwide/target/debug/deps/libtyped_builder-9bec7f0a76abf76b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1cadb3bdd0e7829c64a15fc8e9c8fec997d2c6b612b8d25dfbf45f519f410203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cadb3bdd0e7829c64a15fc8e9c8fec997d2c6b612b8d25dfbf45f519f410203", kill_on_drop: false }`
[INFO] [stdout] 1cadb3bdd0e7829c64a15fc8e9c8fec997d2c6b612b8d25dfbf45f519f410203
