[INFO] cloning repository https://github.com/scottfitzenrider/sudoku_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottfitzenrider/sudoku_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottfitzenrider%2Fsudoku_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottfitzenrider%2Fsudoku_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42b3af09d22e448f0f26dc501a56d767805dd94c
[INFO] checking scottfitzenrider/sudoku_rust against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottfitzenrider%2Fsudoku_rust" "/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/scottfitzenrider/sudoku_rust on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scottfitzenrider/sudoku_rust
[INFO] finished tweaking git repo https://github.com/scottfitzenrider/sudoku_rust
[INFO] tweaked toml for git repo https://github.com/scottfitzenrider/sudoku_rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/scottfitzenrider/sudoku_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8968ceb9e0ad763b3d0de4b2cf1153125c7e00af1af7b0fadb8412d58c20ae07
[INFO] running `Command { std: "docker" "start" "-a" "8968ceb9e0ad763b3d0de4b2cf1153125c7e00af1af7b0fadb8412d58c20ae07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8968ceb9e0ad763b3d0de4b2cf1153125c7e00af1af7b0fadb8412d58c20ae07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8968ceb9e0ad763b3d0de4b2cf1153125c7e00af1af7b0fadb8412d58c20ae07", kill_on_drop: false }`
[INFO] [stdout] 8968ceb9e0ad763b3d0de4b2cf1153125c7e00af1af7b0fadb8412d58c20ae07
[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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3669c7bb6ea59d43d4a1dc2d71b34c77971041517f13a5634894649dc3f807d0
[INFO] running `Command { std: "docker" "start" "-a" "3669c7bb6ea59d43d4a1dc2d71b34c77971041517f13a5634894649dc3f807d0", kill_on_drop: false }`
[INFO] [stderr]     Checking sudoku_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "3669c7bb6ea59d43d4a1dc2d71b34c77971041517f13a5634894649dc3f807d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3669c7bb6ea59d43d4a1dc2d71b34c77971041517f13a5634894649dc3f807d0", kill_on_drop: false }`
[INFO] [stdout] 3669c7bb6ea59d43d4a1dc2d71b34c77971041517f13a5634894649dc3f807d0