[INFO] fetching crate swc_css_compat 0.27.17...
[INFO] documenting swc_css_compat-0.27.17 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate swc_css_compat 0.27.17 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate swc_css_compat 0.27.17 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 swc_css_compat 0.27.17
[INFO] finished tweaking crates.io crate swc_css_compat 0.27.17
[INFO] tweaked toml for crates.io crate swc_css_compat 0.27.17 written to /workspace/builds/worker-1-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 swc_visit_macros v0.5.9
[INFO] [stderr]   Downloaded hstr v0.2.7
[INFO] [stderr]   Downloaded supports-unicode v1.0.2
[INFO] [stderr]   Downloaded swc_css_ast v0.140.18
[INFO] [stderr]   Downloaded string_enum v0.4.2
[INFO] [stderr]   Downloaded swc_atoms v0.6.5
[INFO] [stderr]   Downloaded testing_macros v0.2.12
[INFO] [stderr]   Downloaded testing v0.35.18
[INFO] [stderr]   Downloaded swc_eq_ignore_macros v0.1.3
[INFO] [stderr]   Downloaded is-macro v0.3.5
[INFO] [stderr]   Downloaded swc_visit v0.5.8
[INFO] [stderr]   Downloaded swc_error_reporters v0.17.16
[INFO] [stderr]   Downloaded pmutil v0.6.1
[INFO] [stderr]   Downloaded swc_common v0.33.17
[INFO] [stderr]   Downloaded swc_css_codegen v0.151.27
[INFO] [stderr]   Downloaded ast_node v0.9.6
[INFO] [stderr]   Downloaded swc_css_utils v0.137.18
[INFO] [stderr]   Downloaded swc_css_visit v0.139.18
[INFO] [stderr]   Downloaded from_variant v0.1.7
[INFO] [stderr]   Downloaded swc_macros_common v0.3.9
[INFO] [stderr]   Downloaded swc_css_parser v0.150.26
[INFO] [stderr]   Downloaded swc_css_codegen_macros v0.2.3
[INFO] [stderr]   Downloaded supports-hyperlinks v1.2.0
[INFO] [stderr]   Downloaded better_scoped_tls v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b6dd80807cdd7ed35a10cbbc8e06287d8c02d7bdf76f70ca57138dd93bd90ab5
[INFO] running `Command { std: "docker" "start" "-a" "b6dd80807cdd7ed35a10cbbc8e06287d8c02d7bdf76f70ca57138dd93bd90ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6dd80807cdd7ed35a10cbbc8e06287d8c02d7bdf76f70ca57138dd93bd90ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6dd80807cdd7ed35a10cbbc8e06287d8c02d7bdf76f70ca57138dd93bd90ab5", kill_on_drop: false }`
[INFO] [stdout] b6dd80807cdd7ed35a10cbbc8e06287d8c02d7bdf76f70ca57138dd93bd90ab5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 548fa705119d23c2a89edff817746975d967ebf1f3749512cc99e8a559353816
[INFO] running `Command { std: "docker" "start" "-a" "548fa705119d23c2a89edff817746975d967ebf1f3749512cc99e8a559353816", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking hstr v0.2.7
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking better_scoped_tls v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling swc_macros_common v0.3.9
[INFO] [stderr]    Compiling pmutil v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling swc_visit_macros v0.5.9
[INFO] [stderr]    Compiling ast_node v0.9.6
[INFO] [stderr]    Compiling from_variant v0.1.7
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.3
[INFO] [stderr]    Compiling string_enum v0.4.2
[INFO] [stderr]    Compiling is-macro v0.3.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking swc_visit v0.5.8
[INFO] [stderr]     Checking swc_atoms v0.6.5
[INFO] [stderr]     Checking swc_common v0.33.17
[INFO] [stderr]     Checking swc_css_ast v0.140.18
[INFO] [stderr]     Checking swc_css_visit v0.139.18
[INFO] [stderr]     Checking swc_css_utils v0.137.18
[INFO] [stderr]  Documenting swc_css_compat v0.27.17 (/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(box_patterns)]
[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 `swc_css_compat`
[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 swc_css_compat src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=962106334e93a271 -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-ec19d6b2a53154e2.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-9989da3b216143b9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-896eca2adf95c00f.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a4283d68ab1311da.rmeta --extern swc_atoms=/opt/rustwide/target/debug/deps/libswc_atoms-bfe7e587604f3620.rmeta --extern swc_common=/opt/rustwide/target/debug/deps/libswc_common-4ff06230f1008747.rmeta --extern swc_css_ast=/opt/rustwide/target/debug/deps/libswc_css_ast-b1d033b21bde2bf7.rmeta --extern swc_css_utils=/opt/rustwide/target/debug/deps/libswc_css_utils-425f5874ae35629c.rmeta --extern swc_css_visit=/opt/rustwide/target/debug/deps/libswc_css_visit-6eb9024cca0a56a9.rmeta --cap-lints=warn --crate-version 0.27.17` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "548fa705119d23c2a89edff817746975d967ebf1f3749512cc99e8a559353816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548fa705119d23c2a89edff817746975d967ebf1f3749512cc99e8a559353816", kill_on_drop: false }`
[INFO] [stdout] 548fa705119d23c2a89edff817746975d967ebf1f3749512cc99e8a559353816
