[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanders41%2Fsudoku_solver" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sanders41/sudoku_solver on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-5/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d52d787f895f6f1fea95640be8e272b9ed1613d3b172d35f544d2c201b247c9
[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" "6d52d787f895f6f1fea95640be8e272b9ed1613d3b172d35f544d2c201b247c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d52d787f895f6f1fea95640be8e272b9ed1613d3b172d35f544d2c201b247c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d52d787f895f6f1fea95640be8e272b9ed1613d3b172d35f544d2c201b247c9", kill_on_drop: false }`
[INFO] [stdout] 6d52d787f895f6f1fea95640be8e272b9ed1613d3b172d35f544d2c201b247c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d4634002cbfc0c4d4c5b1d47ef0c6e1103858c0298ef89ffdfef6a3b6b42300
[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" "8d4634002cbfc0c4d4c5b1d47ef0c6e1103858c0298ef89ffdfef6a3b6b42300", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "8d4634002cbfc0c4d4c5b1d47ef0c6e1103858c0298ef89ffdfef6a3b6b42300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4634002cbfc0c4d4c5b1d47ef0c6e1103858c0298ef89ffdfef6a3b6b42300", kill_on_drop: false }`
[INFO] [stdout] 8d4634002cbfc0c4d4c5b1d47ef0c6e1103858c0298ef89ffdfef6a3b6b42300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2fa4dbb5e7bcf58cbcf34cdcc50daad9d31ca364a01328fddd57294b0ea3a333
[INFO] running `Command { std: "docker" "start" "-a" "2fa4dbb5e7bcf58cbcf34cdcc50daad9d31ca364a01328fddd57294b0ea3a333", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "2fa4dbb5e7bcf58cbcf34cdcc50daad9d31ca364a01328fddd57294b0ea3a333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa4dbb5e7bcf58cbcf34cdcc50daad9d31ca364a01328fddd57294b0ea3a333", kill_on_drop: false }`
[INFO] [stdout] 2fa4dbb5e7bcf58cbcf34cdcc50daad9d31ca364a01328fddd57294b0ea3a333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] caf682505def3a2f63870a5f9376a0702a406db9deb8b66c0e31f0272e06053d
[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" "caf682505def3a2f63870a5f9376a0702a406db9deb8b66c0e31f0272e06053d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 26 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku_solver-d4f026854bc6f33e)
[INFO] [stdout] test game::test::board_1 ... ok
[INFO] [stdout] test game::test::board_2 ... 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_row_1 ... ok
[INFO] [stdout] test game::test::repeat_in_box_7 ... ok
[INFO] [stdout] test game::test::repeat_in_box_8 ... ok
[INFO] [stdout] test game::test::repeat_in_box_9 ... 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::over_9 ... ok
[INFO] [stdout] test game::test::test_unsolvable_puzzle ... ok
[INFO] [stdout] test game::test::repeat_in_box_6 ... 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_3 ... ok
[INFO] [stdout] test game::test::repeat_in_box_5 ... ok
[INFO] [stdout] test game::test::repeat_in_box_4 ... ok
[INFO] [stdout] test game::test::repeat_in_column_1 ... ok
[INFO] [stdout] test game::test::invalid_rows ... 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::puzzle_2 ... 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 2.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "caf682505def3a2f63870a5f9376a0702a406db9deb8b66c0e31f0272e06053d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf682505def3a2f63870a5f9376a0702a406db9deb8b66c0e31f0272e06053d", kill_on_drop: false }`
[INFO] [stdout] caf682505def3a2f63870a5f9376a0702a406db9deb8b66c0e31f0272e06053d