[INFO] fetching crate dynamic-arena 0.1.6...
[INFO] documenting dynamic-arena-0.1.6 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate dynamic-arena 0.1.6 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate dynamic-arena 0.1.6 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 dynamic-arena 0.1.6
[INFO] finished tweaking crates.io crate dynamic-arena 0.1.6
[INFO] tweaked toml for crates.io crate dynamic-arena 0.1.6 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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: "/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 trybuild v1.0.61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] b42f39720d6b36f3bdf202aed31bf5f996fa83280a36183a1db6adb958c4d056
[INFO] running `Command { std: "docker" "start" "-a" "b42f39720d6b36f3bdf202aed31bf5f996fa83280a36183a1db6adb958c4d056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b42f39720d6b36f3bdf202aed31bf5f996fa83280a36183a1db6adb958c4d056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42f39720d6b36f3bdf202aed31bf5f996fa83280a36183a1db6adb958c4d056", kill_on_drop: false }`
[INFO] [stdout] b42f39720d6b36f3bdf202aed31bf5f996fa83280a36183a1db6adb958c4d056
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] fc6956832bebc4316ede226603cb6e19e59d96b035e318164efa9027fbaea63c
[INFO] running `Command { std: "docker" "start" "-a" "fc6956832bebc4316ede226603cb6e19e59d96b035e318164efa9027fbaea63c", kill_on_drop: false }`
[INFO] [stderr]     Checking bumpalo v3.9.1
[INFO] [stderr]  Documenting dynamic-arena v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "fc6956832bebc4316ede226603cb6e19e59d96b035e318164efa9027fbaea63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6956832bebc4316ede226603cb6e19e59d96b035e318164efa9027fbaea63c", kill_on_drop: false }`
[INFO] [stdout] fc6956832bebc4316ede226603cb6e19e59d96b035e318164efa9027fbaea63c