[INFO] cloning repository https://github.com/magicant/sudoku-solver-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/magicant/sudoku-solver-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicant%2Fsudoku-solver-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicant%2Fsudoku-solver-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4abdeb28ad995c9e39e5a0f3c1d6a88c09cd54dc
[INFO] testing magicant/sudoku-solver-in-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicant%2Fsudoku-solver-in-rust" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magicant/sudoku-solver-in-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/magicant/sudoku-solver-in-rust
[INFO] finished tweaking git repo https://github.com/magicant/sudoku-solver-in-rust
[INFO] tweaked toml for git repo https://github.com/magicant/sudoku-solver-in-rust written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/magicant/sudoku-solver-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fb63d64090ac85a6f99346f2a9d304b69a2f202cbf2a3a10f0b7df20318d94f
[INFO] running `Command { std: "docker" "start" "-a" "4fb63d64090ac85a6f99346f2a9d304b69a2f202cbf2a3a10f0b7df20318d94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fb63d64090ac85a6f99346f2a9d304b69a2f202cbf2a3a10f0b7df20318d94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb63d64090ac85a6f99346f2a9d304b69a2f202cbf2a3a10f0b7df20318d94f", kill_on_drop: false }`
[INFO] [stdout] 4fb63d64090ac85a6f99346f2a9d304b69a2f202cbf2a3a10f0b7df20318d94f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 836502b1164ad41fc572fc1445db6a602b44857862ecb15ffb074b4c7ed0af9b
[INFO] running `Command { std: "docker" "start" "-a" "836502b1164ad41fc572fc1445db6a602b44857862ecb15ffb074b4c7ed0af9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudoku-solver-in-rust v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "836502b1164ad41fc572fc1445db6a602b44857862ecb15ffb074b4c7ed0af9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836502b1164ad41fc572fc1445db6a602b44857862ecb15ffb074b4c7ed0af9b", kill_on_drop: false }`
[INFO] [stdout] 836502b1164ad41fc572fc1445db6a602b44857862ecb15ffb074b4c7ed0af9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe74792b209012ec8ddc46e47fb93dcadc148b981fa1f1ad25dea4bf6a47b529
[INFO] running `Command { std: "docker" "start" "-a" "fe74792b209012ec8ddc46e47fb93dcadc148b981fa1f1ad25dea4bf6a47b529", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku-solver-in-rust v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "fe74792b209012ec8ddc46e47fb93dcadc148b981fa1f1ad25dea4bf6a47b529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe74792b209012ec8ddc46e47fb93dcadc148b981fa1f1ad25dea4bf6a47b529", kill_on_drop: false }`
[INFO] [stdout] fe74792b209012ec8ddc46e47fb93dcadc148b981fa1f1ad25dea4bf6a47b529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cac07d9c19054dff6911d512b99d7b9525e179bc358e659e71460b87e7d09b1
[INFO] running `Command { std: "docker" "start" "-a" "4cac07d9c19054dff6911d512b99d7b9525e179bc358e659e71460b87e7d09b1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku_solver_in_rust-1619e84494f73dda)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test board::tests::block_iter_values ... ok
[INFO] [stdout] test board::tests::col_iter_values ... ok
[INFO] [stdout] test board::tests::row_iter_values ... ok
[INFO] [stdout] test board::tests::solving_cell_acknowledge ... ok
[INFO] [stdout] test board::tests::solving_cell_get_unique ... ok
[INFO] [stdout] test board::tests::solving_cell_iter ... ok
[INFO] [stdout] test board::tests::solving_cell_new_none ... ok
[INFO] [stdout] test board::tests::solving_cell_new_some ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4cac07d9c19054dff6911d512b99d7b9525e179bc358e659e71460b87e7d09b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cac07d9c19054dff6911d512b99d7b9525e179bc358e659e71460b87e7d09b1", kill_on_drop: false }`
[INFO] [stdout] 4cac07d9c19054dff6911d512b99d7b9525e179bc358e659e71460b87e7d09b1