[INFO] cloning repository https://github.com/jcdyer/sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcdyer/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fsudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fsudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] be30f1cb5543c8bebb74738c07e27e66872862dd [INFO] testing jcdyer/sudoku against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fsudoku" "/workspace/builds/worker-114/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jcdyer/sudoku on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jcdyer/sudoku [INFO] finished tweaking git repo https://github.com/jcdyer/sudoku [INFO] tweaked toml for git repo https://github.com/jcdyer/sudoku written to /workspace/builds/worker-114/source/Cargo.toml [INFO] crate git repo https://github.com/jcdyer/sudoku already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65d78ee073ee7881525ced954666d789359ae3093d18c8a0bab5add11425ad91 [INFO] running `Command { std: "docker" "start" "-a" "65d78ee073ee7881525ced954666d789359ae3093d18c8a0bab5add11425ad91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65d78ee073ee7881525ced954666d789359ae3093d18c8a0bab5add11425ad91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65d78ee073ee7881525ced954666d789359ae3093d18c8a0bab5add11425ad91", kill_on_drop: false }` [INFO] [stdout] 65d78ee073ee7881525ced954666d789359ae3093d18c8a0bab5add11425ad91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8fe819159f57f961e0344057368c48dac6c0fd830a3ebc51b4e08536093319e [INFO] running `Command { std: "docker" "start" "-a" "c8fe819159f57f961e0344057368c48dac6c0fd830a3ebc51b4e08536093319e", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.62s [INFO] running `Command { std: "docker" "inspect" "c8fe819159f57f961e0344057368c48dac6c0fd830a3ebc51b4e08536093319e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8fe819159f57f961e0344057368c48dac6c0fd830a3ebc51b4e08536093319e", kill_on_drop: false }` [INFO] [stdout] c8fe819159f57f961e0344057368c48dac6c0fd830a3ebc51b4e08536093319e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1faafb230ef7e0af0a3c5de23bce5c1e477025ba5aebefad8adb439428bf3bdf [INFO] running `Command { std: "docker" "start" "-a" "1faafb230ef7e0af0a3c5de23bce5c1e477025ba5aebefad8adb439428bf3bdf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 9.45s [INFO] running `Command { std: "docker" "inspect" "1faafb230ef7e0af0a3c5de23bce5c1e477025ba5aebefad8adb439428bf3bdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1faafb230ef7e0af0a3c5de23bce5c1e477025ba5aebefad8adb439428bf3bdf", kill_on_drop: false }` [INFO] [stdout] 1faafb230ef7e0af0a3c5de23bce5c1e477025ba5aebefad8adb439428bf3bdf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 46131d870048c1f76a046167b407a6417b7fe3d2586023b1df38e9ff5a3546ef [INFO] running `Command { std: "docker" "start" "-a" "46131d870048c1f76a046167b407a6417b7fe3d2586023b1df38e9ff5a3546ef", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sudoku-3ee6960d39c169f6) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_next ... ok [INFO] [stdout] test tests::test_next_with_constrained_block ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "46131d870048c1f76a046167b407a6417b7fe3d2586023b1df38e9ff5a3546ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46131d870048c1f76a046167b407a6417b7fe3d2586023b1df38e9ff5a3546ef", kill_on_drop: false }` [INFO] [stdout] 46131d870048c1f76a046167b407a6417b7fe3d2586023b1df38e9ff5a3546ef