[INFO] fetching crate bird-chat 0.1.3...
[INFO] documenting bird-chat-0.1.3 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate bird-chat 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate bird-chat 0.1.3 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bird-chat 0.1.3
[INFO] finished tweaking crates.io crate bird-chat 0.1.3
[INFO] tweaked toml for crates.io crate bird-chat 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44a10082a749b0962018a9f1e74d6c38c41af69cd39f3ca3090a712975cabeaa
[INFO] running `Command { std: "docker" "start" "-a" "44a10082a749b0962018a9f1e74d6c38c41af69cd39f3ca3090a712975cabeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44a10082a749b0962018a9f1e74d6c38c41af69cd39f3ca3090a712975cabeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a10082a749b0962018a9f1e74d6c38c41af69cd39f3ca3090a712975cabeaa", kill_on_drop: false }`
[INFO] [stdout] 44a10082a749b0962018a9f1e74d6c38c41af69cd39f3ca3090a712975cabeaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5301f84b09d1a6fb947eb4b6dba19e09744bf3dafdf0dbc53d26e4430bc78e08
[INFO] running `Command { std: "docker" "start" "-a" "5301f84b09d1a6fb947eb4b6dba19e09744bf3dafdf0dbc53d26e4430bc78e08", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking serde v1.0.160
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking uuid v1.3.2
[INFO] [stderr]  Documenting bird-chat v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pattern)]
[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 `bird-chat`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name bird_chat src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f385f378d450f6b9 -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-3cf8442932bd6766.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e83dc2406577e617.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-700e69cc00638fc8.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-705b1543009c39ba.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-6681bd5dadfbe3ea.rmeta --cap-lints=warn --crate-version 0.1.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5301f84b09d1a6fb947eb4b6dba19e09744bf3dafdf0dbc53d26e4430bc78e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5301f84b09d1a6fb947eb4b6dba19e09744bf3dafdf0dbc53d26e4430bc78e08", kill_on_drop: false }`
[INFO] [stdout] 5301f84b09d1a6fb947eb4b6dba19e09744bf3dafdf0dbc53d26e4430bc78e08
