[INFO] cloning repository https://github.com/dannyhvc/sudoku_solver_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dannyhvc/sudoku_solver_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannyhvc%2Fsudoku_solver_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannyhvc%2Fsudoku_solver_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a32545eb739d529e1e75580c39e2abe1e502b4fe
[INFO] testing dannyhvc/sudoku_solver_rs against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannyhvc%2Fsudoku_solver_rs" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dannyhvc/sudoku_solver_rs on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dannyhvc/sudoku_solver_rs
[INFO] finished tweaking git repo https://github.com/dannyhvc/sudoku_solver_rs
[INFO] tweaked toml for git repo https://github.com/dannyhvc/sudoku_solver_rs written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/dannyhvc/sudoku_solver_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4b5864928e8a256f9103e5f2f133ebf53af44cee086f76d9c521c6648e29f5e
[INFO] running `Command { std: "docker" "start" "-a" "e4b5864928e8a256f9103e5f2f133ebf53af44cee086f76d9c521c6648e29f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4b5864928e8a256f9103e5f2f133ebf53af44cee086f76d9c521c6648e29f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b5864928e8a256f9103e5f2f133ebf53af44cee086f76d9c521c6648e29f5e", kill_on_drop: false }`
[INFO] [stdout] e4b5864928e8a256f9103e5f2f133ebf53af44cee086f76d9c521c6648e29f5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 576b6922de6b7acfc0a43e4d7722c459282f2ee4e602ee8a3f3212c9413f437e
[INFO] running `Command { std: "docker" "start" "-a" "576b6922de6b7acfc0a43e4d7722c459282f2ee4e602ee8a3f3212c9413f437e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.13s
[INFO] running `Command { std: "docker" "inspect" "576b6922de6b7acfc0a43e4d7722c459282f2ee4e602ee8a3f3212c9413f437e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576b6922de6b7acfc0a43e4d7722c459282f2ee4e602ee8a3f3212c9413f437e", kill_on_drop: false }`
[INFO] [stdout] 576b6922de6b7acfc0a43e4d7722c459282f2ee4e602ee8a3f3212c9413f437e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76efb8bfc958b91803a37a336c14a36ec0c8cc66100b5614c68505557311f577
[INFO] running `Command { std: "docker" "start" "-a" "76efb8bfc958b91803a37a336c14a36ec0c8cc66100b5614c68505557311f577", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "76efb8bfc958b91803a37a336c14a36ec0c8cc66100b5614c68505557311f577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76efb8bfc958b91803a37a336c14a36ec0c8cc66100b5614c68505557311f577", kill_on_drop: false }`
[INFO] [stdout] 76efb8bfc958b91803a37a336c14a36ec0c8cc66100b5614c68505557311f577
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d987c9c397f8f90eb996c3056e0f8fdca22e934bcd90772ad6bdf21f8b64b851
[INFO] running `Command { std: "docker" "start" "-a" "d987c9c397f8f90eb996c3056e0f8fdca22e934bcd90772ad6bdf21f8b64b851", 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_solver-d9fa1a9359674a91)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test solver::tests::test_find_empty ... ok
[INFO] [stdout] test solver::tests::test_is_valid ... ok
[INFO] [stdout] test solver::tests::test_solve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d987c9c397f8f90eb996c3056e0f8fdca22e934bcd90772ad6bdf21f8b64b851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d987c9c397f8f90eb996c3056e0f8fdca22e934bcd90772ad6bdf21f8b64b851", kill_on_drop: false }`
[INFO] [stdout] d987c9c397f8f90eb996c3056e0f8fdca22e934bcd90772ad6bdf21f8b64b851