[INFO] fetching crate swc_css_prefixer 0.153.19...
[INFO] documenting swc_css_prefixer-0.153.19 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate swc_css_prefixer 0.153.19 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate swc_css_prefixer 0.153.19 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 crates.io crate swc_css_prefixer 0.153.19
[INFO] finished tweaking crates.io crate swc_css_prefixer 0.153.19
[INFO] tweaked toml for crates.io crate swc_css_prefixer 0.153.19 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hstr v0.2.7
[INFO] [stderr]   Downloaded swc_css_utils v0.137.14
[INFO] [stderr]   Downloaded supports-hyperlinks v1.2.0
[INFO] [stderr]   Downloaded preset_env_base v0.4.9
[INFO] [stderr]   Downloaded st-map v0.2.3
[INFO] [stderr]   Downloaded string_enum v0.4.2
[INFO] [stderr]   Downloaded swc_css_codegen_macros v0.2.3
[INFO] [stderr]   Downloaded swc_css_visit v0.139.14
[INFO] [stderr]   Downloaded swc_css_ast v0.140.14
[INFO] [stderr]   Downloaded swc_css_parser v0.150.22
[INFO] [stderr]   Downloaded swc_atoms v0.6.5
[INFO] [stderr]   Downloaded miette v4.7.1
[INFO] [stderr]   Downloaded browserslist-rs v0.13.0
[INFO] [stderr]   Downloaded static-map-macro v0.3.3
[INFO] [stderr]   Downloaded miette-derive v4.7.1
[INFO] [stderr]   Downloaded ast_node v0.9.6
[INFO] [stderr]   Downloaded swc_error_reporters v0.17.12
[INFO] [stderr]   Downloaded is-macro v0.3.5
[INFO] [stderr]   Downloaded testing v0.35.14
[INFO] [stderr]   Downloaded supports-unicode v1.0.2
[INFO] [stderr]   Downloaded swc_css_codegen v0.151.23
[INFO] [stderr]   Downloaded testing_macros v0.2.12
[INFO] [stderr]   Downloaded swc_common v0.33.12
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0331a30ba9fd922816c074e7eb850d6b5719c2b08eeb6ec409e2eb3c98fbabe3
[INFO] running `Command { std: "docker" "start" "-a" "0331a30ba9fd922816c074e7eb850d6b5719c2b08eeb6ec409e2eb3c98fbabe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0331a30ba9fd922816c074e7eb850d6b5719c2b08eeb6ec409e2eb3c98fbabe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0331a30ba9fd922816c074e7eb850d6b5719c2b08eeb6ec409e2eb3c98fbabe3", kill_on_drop: false }`
[INFO] [stdout] 0331a30ba9fd922816c074e7eb850d6b5719c2b08eeb6ec409e2eb3c98fbabe3
[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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3ca6f8641af36d74b78bd52f00ec1df0fcce0363d37e6fd1c9eb77038ae2139
[INFO] running `Command { std: "docker" "start" "-a" "a3ca6f8641af36d74b78bd52f00ec1df0fcce0363d37e6fd1c9eb77038ae2139", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking hstr v0.2.7
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]     Checking better_scoped_tls v0.1.1
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling swc_macros_common v0.3.9
[INFO] [stderr]    Compiling pmutil v0.6.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling swc_visit_macros v0.5.9
[INFO] [stderr]    Compiling from_variant v0.1.7
[INFO] [stderr]    Compiling ast_node v0.9.6
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.3
[INFO] [stderr]    Compiling string_enum v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling is-macro v0.3.5
[INFO] [stderr]    Compiling static-map-macro v0.3.3
[INFO] [stderr]     Checking st-map v0.2.3
[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 string_cache v0.8.7
[INFO] [stderr]     Checking swc_common v0.33.12
[INFO] [stderr]     Checking swc_css_ast v0.140.14
[INFO] [stderr]    Compiling browserslist-rs v0.13.0
[INFO] [stderr]     Checking swc_css_visit v0.139.14
[INFO] [stderr]     Checking preset_env_base v0.4.9
[INFO] [stderr]     Checking swc_css_utils v0.137.14
[INFO] [stderr]  Documenting swc_css_prefixer v0.153.19 (/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 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_prefixer`
[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 swc_css_prefixer src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=dc0f48a05ed3f764 -L dependency=/opt/rustwide/target/debug/deps --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-94384e5ea6a973b7.rmeta --extern preset_env_base=/opt/rustwide/target/debug/deps/libpreset_env_base-9a2e39fe1c0aff99.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f7c911b5c8492eba.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-127c638f4f2f3f9e.rmeta --extern swc_atoms=/opt/rustwide/target/debug/deps/libswc_atoms-a3fddf44d9581f86.rmeta --extern swc_common=/opt/rustwide/target/debug/deps/libswc_common-7a00b426e5895a5c.rmeta --extern swc_css_ast=/opt/rustwide/target/debug/deps/libswc_css_ast-f071dcf89f207c73.rmeta --extern swc_css_utils=/opt/rustwide/target/debug/deps/libswc_css_utils-11fbcd0c2670bdc5.rmeta --extern swc_css_visit=/opt/rustwide/target/debug/deps/libswc_css_visit-388019f687bab7de.rmeta --cap-lints=warn --crate-version 0.153.19` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a3ca6f8641af36d74b78bd52f00ec1df0fcce0363d37e6fd1c9eb77038ae2139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ca6f8641af36d74b78bd52f00ec1df0fcce0363d37e6fd1c9eb77038ae2139", kill_on_drop: false }`
[INFO] [stdout] a3ca6f8641af36d74b78bd52f00ec1df0fcce0363d37e6fd1c9eb77038ae2139
[INFO] documenting swc_css_prefixer-0.153.19 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate swc_css_prefixer 0.153.19 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate swc_css_prefixer 0.153.19 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swc_css_prefixer 0.153.19
[INFO] finished tweaking crates.io crate swc_css_prefixer 0.153.19
[INFO] tweaked toml for crates.io crate swc_css_prefixer 0.153.19 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c05d815ef311078e7ba608ec38dffebf8a6e1592032712f92f8833a01a434eb9
[INFO] running `Command { std: "docker" "start" "-a" "c05d815ef311078e7ba608ec38dffebf8a6e1592032712f92f8833a01a434eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c05d815ef311078e7ba608ec38dffebf8a6e1592032712f92f8833a01a434eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c05d815ef311078e7ba608ec38dffebf8a6e1592032712f92f8833a01a434eb9", kill_on_drop: false }`
[INFO] [stdout] c05d815ef311078e7ba608ec38dffebf8a6e1592032712f92f8833a01a434eb9
[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-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da963d70ca62f976f04d8244738d30298219085457fdbdce820c86668f71348d
[INFO] running `Command { std: "docker" "start" "-a" "da963d70ca62f976f04d8244738d30298219085457fdbdce820c86668f71348d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking hstr v0.2.7
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]     Checking better_scoped_tls v0.1.1
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]    Compiling swc_macros_common v0.3.9
[INFO] [stderr]    Compiling pmutil v0.6.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling from_variant v0.1.7
[INFO] [stderr]    Compiling ast_node v0.9.6
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.3
[INFO] [stderr]    Compiling string_enum v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling swc_visit_macros v0.5.9
[INFO] [stderr]    Compiling is-macro v0.3.5
[INFO] [stderr]    Compiling static-map-macro v0.3.3
[INFO] [stderr]     Checking st-map v0.2.3
[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 string_cache v0.8.7
[INFO] [stderr]     Checking swc_common v0.33.12
[INFO] [stderr]    Compiling browserslist-rs v0.13.0
[INFO] [stderr]     Checking swc_css_ast v0.140.14
[INFO] [stderr]     Checking swc_css_visit v0.139.14
[INFO] [stderr]     Checking preset_env_base v0.4.9
[INFO] [stderr]     Checking swc_css_utils v0.137.14
[INFO] [stderr]  Documenting swc_css_prefixer v0.153.19 (/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(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_prefixer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name swc_css_prefixer src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a621451fd3b1496c -L dependency=/opt/rustwide/target/debug/deps --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-6fb0ab44501d538d.rmeta --extern preset_env_base=/opt/rustwide/target/debug/deps/libpreset_env_base-73411258f4a79ab5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2e16c7bc97269d6e.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-555e11f255cebb86.rmeta --extern swc_atoms=/opt/rustwide/target/debug/deps/libswc_atoms-b020a83e3309dae5.rmeta --extern swc_common=/opt/rustwide/target/debug/deps/libswc_common-0b2f40859a56f707.rmeta --extern swc_css_ast=/opt/rustwide/target/debug/deps/libswc_css_ast-30ec036602d28fad.rmeta --extern swc_css_utils=/opt/rustwide/target/debug/deps/libswc_css_utils-8cc5c460ff9e042b.rmeta --extern swc_css_visit=/opt/rustwide/target/debug/deps/libswc_css_visit-6720f7cd8e9ee91d.rmeta --cap-lints=warn --crate-version 0.153.19` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "da963d70ca62f976f04d8244738d30298219085457fdbdce820c86668f71348d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da963d70ca62f976f04d8244738d30298219085457fdbdce820c86668f71348d", kill_on_drop: false }`
[INFO] [stdout] da963d70ca62f976f04d8244738d30298219085457fdbdce820c86668f71348d
