[INFO] fetching crate compiler-interrupts 1.0.1...
[INFO] documenting compiler-interrupts-1.0.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate compiler-interrupts 1.0.1 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate compiler-interrupts 1.0.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compiler-interrupts 1.0.1
[INFO] finished tweaking crates.io crate compiler-interrupts 1.0.1
[INFO] tweaked toml for crates.io crate compiler-interrupts 1.0.1 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate crates.io crate compiler-interrupts 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanorand v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e516610bddae9917d2bf038f12b997449241a9f47a00e9b7e49debe4a9ad834f
[INFO] running `Command { std: "docker" "start" "-a" "e516610bddae9917d2bf038f12b997449241a9f47a00e9b7e49debe4a9ad834f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e516610bddae9917d2bf038f12b997449241a9f47a00e9b7e49debe4a9ad834f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e516610bddae9917d2bf038f12b997449241a9f47a00e9b7e49debe4a9ad834f", kill_on_drop: false }`
[INFO] [stdout] e516610bddae9917d2bf038f12b997449241a9f47a00e9b7e49debe4a9ad834f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bbd63148157b204edd19a4c3e23a96e19609526859928330a592730a2181bf3
[INFO] running `Command { std: "docker" "start" "-a" "4bbd63148157b204edd19a4c3e23a96e19609526859928330a592730a2181bf3", kill_on_drop: false }`
[INFO] [stderr]  Documenting compiler-interrupts v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `compiler-interrupts`
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:98:1
[INFO] [stdout]    |
[INFO] [stdout] 98 | #![feature(thread_local)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name compiler_interrupts src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3bf4ad749ffa6d32 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 1.0.1` (exit status: 1)
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bbd63148157b204edd19a4c3e23a96e19609526859928330a592730a2181bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbd63148157b204edd19a4c3e23a96e19609526859928330a592730a2181bf3", kill_on_drop: false }`
[INFO] [stdout] 4bbd63148157b204edd19a4c3e23a96e19609526859928330a592730a2181bf3