[INFO] cloning repository https://github.com/TomSpencerLondon/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TomSpencerLondon/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSpencerLondon%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSpencerLondon%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4429f945ae5b72750192bd7ec5faecab785ff471
[INFO] documenting TomSpencerLondon/rustlings against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSpencerLondon%2Frustlings" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TomSpencerLondon/rustlings 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 git repo https://github.com/TomSpencerLondon/rustlings
[INFO] finished tweaking git repo https://github.com/TomSpencerLondon/rustlings
[INFO] tweaked toml for git repo https://github.com/TomSpencerLondon/rustlings written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/TomSpencerLondon/rustlings 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c7cd7ea1daab6f43491bfe86e1b887735c75d35b56d8ca9495405459ac81e388
[INFO] running `Command { std: "docker" "start" "-a" "c7cd7ea1daab6f43491bfe86e1b887735c75d35b56d8ca9495405459ac81e388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7cd7ea1daab6f43491bfe86e1b887735c75d35b56d8ca9495405459ac81e388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7cd7ea1daab6f43491bfe86e1b887735c75d35b56d8ca9495405459ac81e388", kill_on_drop: false }`
[INFO] [stdout] c7cd7ea1daab6f43491bfe86e1b887735c75d35b56d8ca9495405459ac81e388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6f16a1f72c24782ad9f96d32b4e92d56c8afcd28ba2c07604da6edeb7f2a0746
[INFO] running `Command { std: "docker" "start" "-a" "6f16a1f72c24782ad9f96d32b4e92d56c8afcd28ba2c07604da6edeb7f2a0746", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6f16a1f72c24782ad9f96d32b4e92d56c8afcd28ba2c07604da6edeb7f2a0746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f16a1f72c24782ad9f96d32b4e92d56c8afcd28ba2c07604da6edeb7f2a0746", kill_on_drop: false }`
[INFO] [stdout] 6f16a1f72c24782ad9f96d32b4e92d56c8afcd28ba2c07604da6edeb7f2a0746