[INFO] cloning repository https://github.com/Marcuccio/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/Marcuccio/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcuccio%2Fsudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcuccio%2Fsudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 811789234437e7835b479a0016123590c520d905
[INFO] testing Marcuccio/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%2FMarcuccio%2Fsudoku-solver" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Marcuccio/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/Marcuccio/sudoku-solver
[INFO] finished tweaking git repo https://github.com/Marcuccio/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/Marcuccio/sudoku-solver written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Marcuccio/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 01bcd8f3470a5df307dc3f80f1e8ff10fba70a2592fbf9297a1050972122553e
[INFO] running `Command { std: "docker" "start" "-a" "01bcd8f3470a5df307dc3f80f1e8ff10fba70a2592fbf9297a1050972122553e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01bcd8f3470a5df307dc3f80f1e8ff10fba70a2592fbf9297a1050972122553e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01bcd8f3470a5df307dc3f80f1e8ff10fba70a2592fbf9297a1050972122553e", kill_on_drop: false }`
[INFO] [stdout] 01bcd8f3470a5df307dc3f80f1e8ff10fba70a2592fbf9297a1050972122553e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 602f0f894ee5efbcba54892bf1f02a5b8b4afe96262f0935b477b907e70b0872
[INFO] running `Command { std: "docker" "start" "-a" "602f0f894ee5efbcba54892bf1f02a5b8b4afe96262f0935b477b907e70b0872", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "602f0f894ee5efbcba54892bf1f02a5b8b4afe96262f0935b477b907e70b0872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602f0f894ee5efbcba54892bf1f02a5b8b4afe96262f0935b477b907e70b0872", kill_on_drop: false }`
[INFO] [stdout] 602f0f894ee5efbcba54892bf1f02a5b8b4afe96262f0935b477b907e70b0872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e8d42331ff19c7082bef96fca43c600a95e5fa55f2419870a4a220d0747d3cda
[INFO] running `Command { std: "docker" "start" "-a" "e8d42331ff19c7082bef96fca43c600a95e5fa55f2419870a4a220d0747d3cda", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "e8d42331ff19c7082bef96fca43c600a95e5fa55f2419870a4a220d0747d3cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d42331ff19c7082bef96fca43c600a95e5fa55f2419870a4a220d0747d3cda", kill_on_drop: false }`
[INFO] [stdout] e8d42331ff19c7082bef96fca43c600a95e5fa55f2419870a4a220d0747d3cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c8c85ddec5cacd2679c3a2cf4f5327ae4d6b61b92a5072b0cd18eebfc25bf6d1
[INFO] running `Command { std: "docker" "start" "-a" "c8c85ddec5cacd2679c3a2cf4f5327ae4d6b61b92a5072b0cd18eebfc25bf6d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-b3b74df0d05e22f7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_update_col_candidates ... ok
[INFO] [stdout] test tests::test_update_row_candidates ... ok
[INFO] [stdout] test tests::test_update_block_candidates ... ok
[INFO] [stdout] test tests::test_candidates_after_erase ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c8c85ddec5cacd2679c3a2cf4f5327ae4d6b61b92a5072b0cd18eebfc25bf6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c85ddec5cacd2679c3a2cf4f5327ae4d6b61b92a5072b0cd18eebfc25bf6d1", kill_on_drop: false }`
[INFO] [stdout] c8c85ddec5cacd2679c3a2cf4f5327ae4d6b61b92a5072b0cd18eebfc25bf6d1