[INFO] fetching crate brush_lang_codegen 1.8.0...
[INFO] documenting brush_lang_codegen-1.8.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate brush_lang_codegen 1.8.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate brush_lang_codegen 1.8.0 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 brush_lang_codegen 1.8.0
[INFO] finished tweaking crates.io crate brush_lang_codegen 1.8.0
[INFO] tweaked toml for crates.io crate brush_lang_codegen 1.8.0 written to /workspace/builds/worker-3-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 unicode-xid v0.2.4
[INFO] [stderr]   Downloaded block-buffer v0.10.4
[INFO] [stderr]   Downloaded blake2 v0.10.6
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded typenum v1.17.0
[INFO] [stderr]   Downloaded opaque-debug v0.3.0
[INFO] [stderr]   Downloaded semver v0.11.0
[INFO] [stderr]   Downloaded digest v0.10.7
[INFO] [stderr]   Downloaded cargo-platform v0.1.6
[INFO] [stderr]   Downloaded serde_derive v1.0.195
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded itertools v0.10.5
[INFO] [stderr]   Downloaded serde_json v1.0.111
[INFO] [stderr]   Downloaded camino v1.1.6
[INFO] [stderr]   Downloaded ucd-trie v0.1.6
[INFO] [stderr]   Downloaded thiserror-impl v1.0.56
[INFO] [stderr]   Downloaded digest v0.9.0
[INFO] [stderr]   Downloaded synstructure v0.12.6
[INFO] [stderr]   Downloaded cargo_metadata v0.13.1
[INFO] [stderr]   Downloaded crypto-mac v0.8.0
[INFO] [stderr]   Downloaded thiserror v1.0.56
[INFO] [stderr]   Downloaded semver-parser v0.10.2
[INFO] [stderr]   Downloaded generic-array v0.14.7
[INFO] [stderr]   Downloaded subtle v2.5.0
[INFO] [stderr]   Downloaded crypto-common v0.1.6
[INFO] [stderr]   Downloaded ink_lang_ir v3.4.0
[INFO] [stderr]   Downloaded pest v2.7.6
[INFO] [stderr]   Downloaded unwrap v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 34a68195093cae6d1c6495547d10acb0fd6abbdb4d5369ab9c5723a9cbd8e528
[INFO] running `Command { std: "docker" "start" "-a" "34a68195093cae6d1c6495547d10acb0fd6abbdb4d5369ab9c5723a9cbd8e528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a68195093cae6d1c6495547d10acb0fd6abbdb4d5369ab9c5723a9cbd8e528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a68195093cae6d1c6495547d10acb0fd6abbdb4d5369ab9c5723a9cbd8e528", kill_on_drop: false }`
[INFO] [stdout] 34a68195093cae6d1c6495547d10acb0fd6abbdb4d5369ab9c5723a9cbd8e528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7bad60bf84bf2b84605985171fbd15d337d04ab0a79575ebe3b4f3afb67e888b
[INFO] running `Command { std: "docker" "start" "-a" "7bad60bf84bf2b84605985171fbd15d337d04ab0a79575ebe3b4f3afb67e888b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking ucd-trie v0.1.6
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking ink_lang_ir v3.4.0
[INFO] [stderr]     Checking synstructure v0.12.6
[INFO] [stderr]     Checking pest v2.7.6
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking cargo-platform v0.1.6
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking cargo_metadata v0.13.1
[INFO] [stderr]  Documenting brush_lang_codegen v1.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(drain_filter)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(drain_filter)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `brush_lang_codegen`
[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 rlib --crate-name brush_lang_codegen src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=70783e9b7cadaba5 -L dependency=/opt/rustwide/target/debug/deps --extern blake2=/opt/rustwide/target/debug/deps/libblake2-cce7ed51aa39cf65.rmeta --extern cargo_metadata=/opt/rustwide/target/debug/deps/libcargo_metadata-fc4836fcd6d170d3.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-da1ccff281c0ff95.rmeta --extern heck=/opt/rustwide/target/debug/deps/libheck-dcb132ae16a530c7.rmeta --extern ink_lang_ir=/opt/rustwide/target/debug/deps/libink_lang_ir-5af9a43f777dc65e.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e4d3f1c5d694fa07.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-be6d169059f855b6.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0a0f4a76d21934df.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-de60670204562c80.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-b7dab526118e748c.rmeta --extern synstructure=/opt/rustwide/target/debug/deps/libsynstructure-220a2931267e1b01.rmeta --extern unwrap=/opt/rustwide/target/debug/deps/libunwrap-9af491a07bc09e0a.rmeta --cap-lints=warn --crate-version 1.8.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7bad60bf84bf2b84605985171fbd15d337d04ab0a79575ebe3b4f3afb67e888b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bad60bf84bf2b84605985171fbd15d337d04ab0a79575ebe3b4f3afb67e888b", kill_on_drop: false }`
[INFO] [stdout] 7bad60bf84bf2b84605985171fbd15d337d04ab0a79575ebe3b4f3afb67e888b
