[INFO] cloning repository https://github.com/sanders41/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/sanders41/sudoku_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanders41%2Fsudoku_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanders41%2Fsudoku_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc60349da4303b5b59e5f51737d9f1133afe9863
[INFO] testing sanders41/sudoku_solver against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanders41%2Fsudoku_solver" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sanders41/sudoku_solver on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sanders41/sudoku_solver
[INFO] finished tweaking git repo https://github.com/sanders41/sudoku_solver
[INFO] tweaked toml for git repo https://github.com/sanders41/sudoku_solver written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/sanders41/sudoku_solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0082a1d37b2bd43e6080e736469b837896ea8997df0946aeced8c5fc24b69db3
[INFO] running `Command { std: "docker" "start" "-a" "0082a1d37b2bd43e6080e736469b837896ea8997df0946aeced8c5fc24b69db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0082a1d37b2bd43e6080e736469b837896ea8997df0946aeced8c5fc24b69db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0082a1d37b2bd43e6080e736469b837896ea8997df0946aeced8c5fc24b69db3", kill_on_drop: false }`
[INFO] [stdout] 0082a1d37b2bd43e6080e736469b837896ea8997df0946aeced8c5fc24b69db3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 715ec21c5aec0894f099ae40e3b59bc237affce0b0d611d752167fa3d5825383
[INFO] running `Command { std: "docker" "start" "-a" "715ec21c5aec0894f099ae40e3b59bc237affce0b0d611d752167fa3d5825383", 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 3.57s
[INFO] running `Command { std: "docker" "inspect" "715ec21c5aec0894f099ae40e3b59bc237affce0b0d611d752167fa3d5825383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715ec21c5aec0894f099ae40e3b59bc237affce0b0d611d752167fa3d5825383", kill_on_drop: false }`
[INFO] [stdout] 715ec21c5aec0894f099ae40e3b59bc237affce0b0d611d752167fa3d5825383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6413e75596bd3dc87623c292b0e46a11aed16ec99d6561c610a4a1f8de281272
[INFO] running `Command { std: "docker" "start" "-a" "6413e75596bd3dc87623c292b0e46a11aed16ec99d6561c610a4a1f8de281272", 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 test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "6413e75596bd3dc87623c292b0e46a11aed16ec99d6561c610a4a1f8de281272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6413e75596bd3dc87623c292b0e46a11aed16ec99d6561c610a4a1f8de281272", kill_on_drop: false }`
[INFO] [stdout] 6413e75596bd3dc87623c292b0e46a11aed16ec99d6561c610a4a1f8de281272
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 546fc02998cc1e71829a21cfbe5c4fabdfd51397fd32202d9ec27e21405ba851
[INFO] running `Command { std: "docker" "start" "-a" "546fc02998cc1e71829a21cfbe5c4fabdfd51397fd32202d9ec27e21405ba851", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku_solver-d9fa1a9359674a91)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test game::test::board_1 ... ok
[INFO] [stdout] test game::test::board_3 ... ok
[INFO] [stdout] test game::test::board_2 ... ok
[INFO] [stdout] test game::test::repeat_in_box_4 ... ok
[INFO] [stdout] test game::test::repeat_in_box_6 ... ok
[INFO] [stdout] test game::test::invalid_rows ... ok
[INFO] [stdout] test game::test::puzzle_2 ... ok
[INFO] [stdout] test game::test::over_9 ... ok
[INFO] [stdout] test game::test::invalid_columns ... ok
[INFO] [stdout] test game::test::repeat_in_box_1 ... ok
[INFO] [stdout] test game::test::repeat_in_box_3 ... ok
[INFO] [stdout] test game::test::repeat_in_box_2 ... ok
[INFO] [stdout] test game::test::repeat_in_box_9 ... ok
[INFO] [stdout] test game::test::repeat_in_column_2 ... ok
[INFO] [stdout] test game::test::repeat_in_column_3 ... ok
[INFO] [stdout] test game::test::repeat_in_column_1 ... ok
[INFO] [stdout] test game::test::repeat_in_box_5 ... ok
[INFO] [stdout] test game::test::repeat_in_row_3 ... ok
[INFO] [stdout] test game::test::repeat_in_row_2 ... ok
[INFO] [stdout] test game::test::repeat_in_box_8 ... ok
[INFO] [stdout] test game::test::repeat_in_box_7 ... ok
[INFO] [stdout] test game::test::repeat_in_row_1 ... ok
[INFO] [stdout] test game::test::valid_move_false ... ok
[INFO] [stdout] test game::test::test_unsolvable_puzzle ... ok
[INFO] [stdout] test game::test::valid_move_true ... ok
[INFO] [stdout] test game::test::puzzle_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "546fc02998cc1e71829a21cfbe5c4fabdfd51397fd32202d9ec27e21405ba851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546fc02998cc1e71829a21cfbe5c4fabdfd51397fd32202d9ec27e21405ba851", kill_on_drop: false }`
[INFO] [stdout] 546fc02998cc1e71829a21cfbe5c4fabdfd51397fd32202d9ec27e21405ba851