[INFO] fetching crate quake-util 0.2.0...
[INFO] documenting quake-util-0.2.0 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate quake-util 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate quake-util 0.2.0 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 quake-util 0.2.0
[INFO] finished tweaking crates.io crate quake-util 0.2.0
[INFO] tweaked toml for crates.io crate quake-util 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate quake-util 0.2.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded benchmarking v0.4.11
[INFO] [stderr]   Downloaded libc v0.2.105
[INFO] [stderr]   Downloaded hashbrown v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3f2a59c0ddbbd6392f09b527bedc63ef4a51b630e6f2b2bde182c5f968965271
[INFO] running `Command { std: "docker" "start" "-a" "3f2a59c0ddbbd6392f09b527bedc63ef4a51b630e6f2b2bde182c5f968965271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f2a59c0ddbbd6392f09b527bedc63ef4a51b630e6f2b2bde182c5f968965271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f2a59c0ddbbd6392f09b527bedc63ef4a51b630e6f2b2bde182c5f968965271", kill_on_drop: false }`
[INFO] [stdout] 3f2a59c0ddbbd6392f09b527bedc63ef4a51b630e6f2b2bde182c5f968965271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7c92c073f8ba013c15050ccf529902e7e17b47a06dbf93b6d7b18eb64798c65c
[INFO] running `Command { std: "docker" "start" "-a" "7c92c073f8ba013c15050ccf529902e7e17b47a06dbf93b6d7b18eb64798c65c", kill_on_drop: false }`
[INFO] [stderr]  Documenting quake-util v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "std", feature(io_error_other))]
[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 `quake-util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name quake_util 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=199eaa25631625e1 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7c92c073f8ba013c15050ccf529902e7e17b47a06dbf93b6d7b18eb64798c65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c92c073f8ba013c15050ccf529902e7e17b47a06dbf93b6d7b18eb64798c65c", kill_on_drop: false }`
[INFO] [stdout] 7c92c073f8ba013c15050ccf529902e7e17b47a06dbf93b6d7b18eb64798c65c
