[INFO] cloning repository https://github.com/marceloboeira/confirm-before
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marceloboeira/confirm-before" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarceloboeira%2Fconfirm-before", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarceloboeira%2Fconfirm-before'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 372415f2b0ce262c0b1b3d7606881afa41b7bfbe
[INFO] documenting marceloboeira/confirm-before against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarceloboeira%2Fconfirm-before" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marceloboeira/confirm-before on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marceloboeira/confirm-before
[INFO] finished tweaking git repo https://github.com/marceloboeira/confirm-before
[INFO] tweaked toml for git repo https://github.com/marceloboeira/confirm-before written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/marceloboeira/confirm-before already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a2ae5610ac810a36878d4f4ec6cb2f5ccf7d22bc270409d79f3d1276ebba793
[INFO] running `Command { std: "docker" "start" "-a" "4a2ae5610ac810a36878d4f4ec6cb2f5ccf7d22bc270409d79f3d1276ebba793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a2ae5610ac810a36878d4f4ec6cb2f5ccf7d22bc270409d79f3d1276ebba793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2ae5610ac810a36878d4f4ec6cb2f5ccf7d22bc270409d79f3d1276ebba793", kill_on_drop: false }`
[INFO] [stdout] 4a2ae5610ac810a36878d4f4ec6cb2f5ccf7d22bc270409d79f3d1276ebba793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4875fac701e83e9249f7d2769d80cf8eea8beed0117841fd825c0fdb28e8979
[INFO] running `Command { std: "docker" "start" "-a" "e4875fac701e83e9249f7d2769d80cf8eea8beed0117841fd825c0fdb28e8979", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e4875fac701e83e9249f7d2769d80cf8eea8beed0117841fd825c0fdb28e8979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4875fac701e83e9249f7d2769d80cf8eea8beed0117841fd825c0fdb28e8979", kill_on_drop: false }`
[INFO] [stdout] e4875fac701e83e9249f7d2769d80cf8eea8beed0117841fd825c0fdb28e8979