[INFO] fetching crate fontkit 0.4.5...
[INFO] documenting fontkit-0.4.5 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate fontkit 0.4.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate fontkit 0.4.5 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] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate fontkit 0.4.5
[INFO] finished tweaking crates.io crate fontkit 0.4.5
[INFO] tweaked toml for crates.io crate fontkit 0.4.5 written to /workspace/builds/worker-4-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 four-cc v0.1.0
[INFO] [stderr]   Downloaded infer v0.9.0
[INFO] [stderr]   Downloaded tsify v0.4.5
[INFO] [stderr]   Downloaded serde_derive_internals v0.28.0
[INFO] [stderr]   Downloaded tsify-macros v0.4.5
[INFO] [stderr]   Downloaded pathfinder_color v0.5.0
[INFO] [stderr]   Downloaded pathfinder_content v0.5.0
[INFO] [stderr]   Downloaded safer-bytes v0.2.0
[INFO] [stderr]   Downloaded woff2 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 28907a3a1e6b6461f7c760407e8bc50275c88fd5ced4fe1366a64caf9b25e5bc
[INFO] running `Command { std: "docker" "start" "-a" "28907a3a1e6b6461f7c760407e8bc50275c88fd5ced4fe1366a64caf9b25e5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28907a3a1e6b6461f7c760407e8bc50275c88fd5ced4fe1366a64caf9b25e5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28907a3a1e6b6461f7c760407e8bc50275c88fd5ced4fe1366a64caf9b25e5bc", kill_on_drop: false }`
[INFO] [stdout] 28907a3a1e6b6461f7c760407e8bc50275c88fd5ced4fe1366a64caf9b25e5bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c04512ad3e39cde7687137e69657a3b99ef6537835a8a0ce367d8f61170b27af
[INFO] running `Command { std: "docker" "start" "-a" "c04512ad3e39cde7687137e69657a3b99ef6537835a8a0ce367d8f61170b27af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.91
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.91
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking brotli-decompressor v2.5.1
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]     Checking four-cc v0.1.0
[INFO] [stderr]    Compiling fontkit v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking cfb v0.7.3
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling pathfinder_simd v0.5.2
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking brotli v3.4.0
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tiny-skia-path v0.11.4
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking infer v0.9.0
[INFO] [stderr]     Checking pathfinder_color v0.5.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking ttf-parser v0.19.2
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking pathfinder_content v0.5.0
[INFO] [stderr]     Checking unicode-script v0.5.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.91
[INFO] [stderr]    Compiling serde_derive_internals v0.28.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling ouroboros_macro v0.17.2
[INFO] [stderr]    Compiling tsify-macros v0.4.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.91
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.91
[INFO] [stderr]     Checking ouroboros v0.17.2
[INFO] [stderr]     Checking safer-bytes v0.2.0
[INFO] [stderr]     Checking woff2 v0.3.0
[INFO] [stderr]     Checking js-sys v0.3.68
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking web-sys v0.3.68
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking gloo-utils v0.1.7
[INFO] [stderr]     Checking tsify v0.4.5
[INFO] [stderr]  Documenting fontkit v0.4.5 (/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(doc_auto_cfg)]
[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 `fontkit`
[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 cdylib --crate-type rlib --crate-name fontkit src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="ab_glyph_rasterizer"' --cfg 'feature="byteorder"' --cfg 'feature="dashmap"' --cfg 'feature="default"' --cfg 'feature="flate2"' --cfg 'feature="metrics"' --cfg 'feature="pathfinder_content"' --cfg 'feature="pathfinder_geometry"' --cfg 'feature="pathfinder_simd"' --cfg 'feature="ras"' --cfg 'feature="textwrap"' --cfg 'feature="unicode-bidi"' --cfg 'feature="unicode-normalization"' --cfg 'feature="unicode-script"' --cfg 'feature="woff"' --cfg 'feature="woff2"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ef6ebc69a678ef8f -L dependency=/opt/rustwide/target/debug/deps --extern ab_glyph_rasterizer=/opt/rustwide/target/debug/deps/libab_glyph_rasterizer-21d2d5dc14ac4988.rmeta --extern arc_swap=/opt/rustwide/target/debug/deps/libarc_swap-781196434d79f02a.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-4d0457ff00ff859b.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-8bcd4cb2c6a33788.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-3f689d15f9653596.rmeta --extern infer=/opt/rustwide/target/debug/deps/libinfer-5dc3b569bc0d9959.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c2b9fe8f0bb60ac5.rmeta --extern ouroboros=/opt/rustwide/target/debug/deps/libouroboros-482d2fc66c6c6fc9.rmeta --extern pathfinder_content=/opt/rustwide/target/debug/deps/libpathfinder_content-5ff7295404a10bf0.rmeta --extern pathfinder_geometry=/opt/rustwide/target/debug/deps/libpathfinder_geometry-6415c6023964eae9.rmeta --extern pathfinder_simd=/opt/rustwide/target/debug/deps/libpathfinder_simd-b0899e319967b379.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2ce2a5a9da83ad83.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3c4c6265586183ac.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-ef15bcf3aa439288.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-3bc2af2754a4b024.rmeta --extern tiny_skia_path=/opt/rustwide/target/debug/deps/libtiny_skia_path-d3be7e73ce0c0a38.rmeta --extern tsify=/opt/rustwide/target/debug/deps/libtsify-f3fee9a91d6566b1.rmeta --extern ttf_parser=/opt/rustwide/target/debug/deps/libttf_parser-0cf2994328bda01e.rmeta --extern unicode_bidi=/opt/rustwide/target/debug/deps/libunicode_bidi-050cd2762383effe.rmeta --extern unicode_normalization=/opt/rustwide/target/debug/deps/libunicode_normalization-de07acb348220bb5.rmeta --extern unicode_script=/opt/rustwide/target/debug/deps/libunicode_script-ecb3b88ed7354ac0.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-5257733173ff0241.rmeta --extern woff2=/opt/rustwide/target/debug/deps/libwoff2-ef69db1ff7d0c33b.rmeta --cap-lints=warn --crate-version 0.4.5 --cfg dashmap` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c04512ad3e39cde7687137e69657a3b99ef6537835a8a0ce367d8f61170b27af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04512ad3e39cde7687137e69657a3b99ef6537835a8a0ce367d8f61170b27af", kill_on_drop: false }`
[INFO] [stdout] c04512ad3e39cde7687137e69657a3b99ef6537835a8a0ce367d8f61170b27af
