[INFO] cloning repository https://github.com/jsonwg/sudoku-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsonwg/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsonwg%2Fsudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsonwg%2Fsudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fba411f33f61c4ed797da16f65c6604cdeaebd3
[INFO] building jsonwg/sudoku-solver against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsonwg%2Fsudoku-solver" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsonwg/sudoku-solver on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jsonwg/sudoku-solver
[INFO] finished tweaking git repo https://github.com/jsonwg/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/jsonwg/sudoku-solver written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/jsonwg/sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7965c0ab3e63d09d1a12a2ab367001a7a4f4418527ab7942a01ebc5caf6c8930
[INFO] running `Command { std: "docker" "start" "-a" "7965c0ab3e63d09d1a12a2ab367001a7a4f4418527ab7942a01ebc5caf6c8930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7965c0ab3e63d09d1a12a2ab367001a7a4f4418527ab7942a01ebc5caf6c8930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7965c0ab3e63d09d1a12a2ab367001a7a4f4418527ab7942a01ebc5caf6c8930", kill_on_drop: false }`
[INFO] [stdout] 7965c0ab3e63d09d1a12a2ab367001a7a4f4418527ab7942a01ebc5caf6c8930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52fabb2127538e8fcc422f37bfdada2c491ace505e8d4c9a0d3c98f6b5eade40
[INFO] running `Command { std: "docker" "start" "-a" "52fabb2127538e8fcc422f37bfdada2c491ace505e8d4c9a0d3c98f6b5eade40", 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" "52fabb2127538e8fcc422f37bfdada2c491ace505e8d4c9a0d3c98f6b5eade40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52fabb2127538e8fcc422f37bfdada2c491ace505e8d4c9a0d3c98f6b5eade40", kill_on_drop: false }`
[INFO] [stdout] 52fabb2127538e8fcc422f37bfdada2c491ace505e8d4c9a0d3c98f6b5eade40