[INFO] cloning repository https://github.com/PaleMaximilian/rust-backtrack-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/PaleMaximilian/rust-backtrack-sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaleMaximilian%2Frust-backtrack-sudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaleMaximilian%2Frust-backtrack-sudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ab463290adb9bf5c5a6cea10ba7e9d2e6809a5a3 [INFO] testing PaleMaximilian/rust-backtrack-sudoku-solver against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaleMaximilian%2Frust-backtrack-sudoku-solver" "/workspace/builds/worker-20/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PaleMaximilian/rust-backtrack-sudoku-solver on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PaleMaximilian/rust-backtrack-sudoku-solver [INFO] finished tweaking git repo https://github.com/PaleMaximilian/rust-backtrack-sudoku-solver [INFO] tweaked toml for git repo https://github.com/PaleMaximilian/rust-backtrack-sudoku-solver written to /workspace/builds/worker-20/source/Cargo.toml [INFO] crate git repo https://github.com/PaleMaximilian/rust-backtrack-sudoku-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87f618bafed983ae080e641ee64dabb8e6273c2973d4a08aab13ae5f83f348d5 [INFO] running `Command { std: "docker" "start" "-a" "87f618bafed983ae080e641ee64dabb8e6273c2973d4a08aab13ae5f83f348d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87f618bafed983ae080e641ee64dabb8e6273c2973d4a08aab13ae5f83f348d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87f618bafed983ae080e641ee64dabb8e6273c2973d4a08aab13ae5f83f348d5", kill_on_drop: false }` [INFO] [stdout] 87f618bafed983ae080e641ee64dabb8e6273c2973d4a08aab13ae5f83f348d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d0389332a96dae8320afe9bee6d946c10278cdc3d89a1408a4890a46d3a53566 [INFO] running `Command { std: "docker" "start" "-a" "d0389332a96dae8320afe9bee6d946c10278cdc3d89a1408a4890a46d3a53566", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "d0389332a96dae8320afe9bee6d946c10278cdc3d89a1408a4890a46d3a53566", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0389332a96dae8320afe9bee6d946c10278cdc3d89a1408a4890a46d3a53566", kill_on_drop: false }` [INFO] [stdout] d0389332a96dae8320afe9bee6d946c10278cdc3d89a1408a4890a46d3a53566 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0d39fe9bd09243ffcc92ae29904ebc74a7355d5020c5c5c9f305bed5341c870 [INFO] running `Command { std: "docker" "start" "-a" "f0d39fe9bd09243ffcc92ae29904ebc74a7355d5020c5c5c9f305bed5341c870", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.34s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_solver-b6dde459b8364844) [INFO] running `Command { std: "docker" "inspect" "f0d39fe9bd09243ffcc92ae29904ebc74a7355d5020c5c5c9f305bed5341c870", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0d39fe9bd09243ffcc92ae29904ebc74a7355d5020c5c5c9f305bed5341c870", kill_on_drop: false }` [INFO] [stdout] f0d39fe9bd09243ffcc92ae29904ebc74a7355d5020c5c5c9f305bed5341c870 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 25a4989fba8cf3f07f7e82991945872b3e8404a74a1a7e1a804060b0908f8454 [INFO] running `Command { std: "docker" "start" "-a" "25a4989fba8cf3f07f7e82991945872b3e8404a74a1a7e1a804060b0908f8454", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_solver-b6dde459b8364844) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "25a4989fba8cf3f07f7e82991945872b3e8404a74a1a7e1a804060b0908f8454", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25a4989fba8cf3f07f7e82991945872b3e8404a74a1a7e1a804060b0908f8454", kill_on_drop: false }` [INFO] [stdout] 25a4989fba8cf3f07f7e82991945872b3e8404a74a1a7e1a804060b0908f8454