[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-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanders41%2Fsudoku_solver" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sanders41/sudoku_solver on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e16c299cec0a7675a92b0bd90b038ac6eb8c35ab84674ca6f9c05d9f636dcf5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3e16c299cec0a7675a92b0bd90b038ac6eb8c35ab84674ca6f9c05d9f636dcf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e16c299cec0a7675a92b0bd90b038ac6eb8c35ab84674ca6f9c05d9f636dcf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e16c299cec0a7675a92b0bd90b038ac6eb8c35ab84674ca6f9c05d9f636dcf5", kill_on_drop: false }`
[INFO] [stdout] 3e16c299cec0a7675a92b0bd90b038ac6eb8c35ab84674ca6f9c05d9f636dcf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 117df9dbe6661c38131fdb7d57d3e0a1bc3eb2f76b1a4518af1913bd148815b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "117df9dbe6661c38131fdb7d57d3e0a1bc3eb2f76b1a4518af1913bd148815b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "117df9dbe6661c38131fdb7d57d3e0a1bc3eb2f76b1a4518af1913bd148815b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "117df9dbe6661c38131fdb7d57d3e0a1bc3eb2f76b1a4518af1913bd148815b8", kill_on_drop: false }`
[INFO] [stdout] 117df9dbe6661c38131fdb7d57d3e0a1bc3eb2f76b1a4518af1913bd148815b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82d6b636135f2eb663e98609345ba66d469e97e882fd1d7076d216267340ef60
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "82d6b636135f2eb663e98609345ba66d469e97e882fd1d7076d216267340ef60", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "82d6b636135f2eb663e98609345ba66d469e97e882fd1d7076d216267340ef60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d6b636135f2eb663e98609345ba66d469e97e882fd1d7076d216267340ef60", kill_on_drop: false }`
[INFO] [stdout] 82d6b636135f2eb663e98609345ba66d469e97e882fd1d7076d216267340ef60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5189e9a0436da8763d201235cd41fc1914e9e22f87a0990d436c61c6762bfe8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a5189e9a0436da8763d201235cd41fc1914e9e22f87a0990d436c61c6762bfe8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku_solver-279d321afe7666e1
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test game::test::board_2 ... ok
[INFO] [stdout] test game::test::over_9 ... ok
[INFO] [stdout] test game::test::repeat_in_box_3 ... ok
[INFO] [stdout] test game::test::repeat_in_column_2 ... ok
[INFO] [stdout] test game::test::repeat_in_box_2 ... ok
[INFO] [stdout] test game::test::repeat_in_column_3 ... ok
[INFO] [stdout] test game::test::repeat_in_row_1 ... ok
[INFO] [stdout] test game::test::repeat_in_row_2 ... ok
[INFO] [stdout] test game::test::repeat_in_row_3 ... ok
[INFO] [stdout] test game::test::board_3 ... ok
[INFO] [stdout] test game::test::test_unsolvable_puzzle ... ok
[INFO] [stdout] test game::test::valid_move_false ... ok
[INFO] [stdout] test game::test::valid_move_true ... ok
[INFO] [stdout] test game::test::invalid_columns ... ok
[INFO] [stdout] test game::test::board_1 ... ok
[INFO] [stdout] test game::test::invalid_rows ... ok
[INFO] [stdout] test game::test::repeat_in_box_7 ... ok
[INFO] [stdout] test game::test::repeat_in_box_5 ... ok
[INFO] [stdout] test game::test::repeat_in_column_1 ... ok
[INFO] [stdout] test game::test::repeat_in_box_8 ... ok
[INFO] [stdout] test game::test::puzzle_2 ... ok
[INFO] [stdout] test game::test::repeat_in_box_9 ... ok
[INFO] [stdout] test game::test::repeat_in_box_1 ... ok
[INFO] [stdout] test game::test::repeat_in_box_6 ... ok
[INFO] [stdout] test game::test::repeat_in_box_4 ... 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 2.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5189e9a0436da8763d201235cd41fc1914e9e22f87a0990d436c61c6762bfe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5189e9a0436da8763d201235cd41fc1914e9e22f87a0990d436c61c6762bfe8", kill_on_drop: false }`
[INFO] [stdout] a5189e9a0436da8763d201235cd41fc1914e9e22f87a0990d436c61c6762bfe8