[INFO] cloning repository https://github.com/FrequentlyMissedDeadlines/Smartest-Sudoku-Generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrequentlyMissedDeadlines/Smartest-Sudoku-Generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrequentlyMissedDeadlines%2FSmartest-Sudoku-Generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrequentlyMissedDeadlines%2FSmartest-Sudoku-Generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c609416d9c8cb01f530b1fc4b477eb2352ab241
[INFO] testing FrequentlyMissedDeadlines/Smartest-Sudoku-Generator against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrequentlyMissedDeadlines%2FSmartest-Sudoku-Generator" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrequentlyMissedDeadlines/Smartest-Sudoku-Generator on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FrequentlyMissedDeadlines/Smartest-Sudoku-Generator
[INFO] finished tweaking git repo https://github.com/FrequentlyMissedDeadlines/Smartest-Sudoku-Generator
[INFO] tweaked toml for git repo https://github.com/FrequentlyMissedDeadlines/Smartest-Sudoku-Generator written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/FrequentlyMissedDeadlines/Smartest-Sudoku-Generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fded29ef9e0e5b3c8391814bf879d9d4de917859a890ac0e4b24cad7c5f02e07
[INFO] running `Command { std: "docker" "start" "-a" "fded29ef9e0e5b3c8391814bf879d9d4de917859a890ac0e4b24cad7c5f02e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fded29ef9e0e5b3c8391814bf879d9d4de917859a890ac0e4b24cad7c5f02e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fded29ef9e0e5b3c8391814bf879d9d4de917859a890ac0e4b24cad7c5f02e07", kill_on_drop: false }`
[INFO] [stdout] fded29ef9e0e5b3c8391814bf879d9d4de917859a890ac0e4b24cad7c5f02e07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d34be36af2b1a721223581d79629870dccc829a1f04f295de469ef9342a85cb0
[INFO] running `Command { std: "docker" "start" "-a" "d34be36af2b1a721223581d79629870dccc829a1f04f295de469ef9342a85cb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling sudo-generator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `copy`
[INFO] [stdout]   --> src/sudoku/sudoku.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn copy(&self) -> Sudoku {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/sudoku/sudoku.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn parse(string: String) -> Sudoku {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_solved`
[INFO] [stdout]   --> src/sudoku/sudoku.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn is_solved(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `Command { std: "docker" "inspect" "d34be36af2b1a721223581d79629870dccc829a1f04f295de469ef9342a85cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34be36af2b1a721223581d79629870dccc829a1f04f295de469ef9342a85cb0", kill_on_drop: false }`
[INFO] [stdout] d34be36af2b1a721223581d79629870dccc829a1f04f295de469ef9342a85cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2440b76ded21ebac4bf1eafa9b5ae8d209046e6a68d01e93b6620f3e4139101c
[INFO] running `Command { std: "docker" "start" "-a" "2440b76ded21ebac4bf1eafa9b5ae8d209046e6a68d01e93b6620f3e4139101c", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudo-generator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "2440b76ded21ebac4bf1eafa9b5ae8d209046e6a68d01e93b6620f3e4139101c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2440b76ded21ebac4bf1eafa9b5ae8d209046e6a68d01e93b6620f3e4139101c", kill_on_drop: false }`
[INFO] [stdout] 2440b76ded21ebac4bf1eafa9b5ae8d209046e6a68d01e93b6620f3e4139101c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e919326b160f02508b9d836c6c68e68ea69283d4bc8d11509a1ff027a313100
[INFO] running `Command { std: "docker" "start" "-a" "2e919326b160f02508b9d836c6c68e68ea69283d4bc8d11509a1ff027a313100", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudo_generator-0141aafa1f76a5ad)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test runner::runner::tests::test_to_string ... ok
[INFO] [stdout] test sudoku::sudoku::tests::test_to_string ... ok
[INFO] [stdout] test tree::tree::tests::test_to_string ... ok
[INFO] [stdout] test sudoku::sudoku::tests::test_copy ... ok
[INFO] [stdout] test sudoku::sudoku::tests::test_struct_def ... ok
[INFO] [stdout] test tests::test_main ... ok
[INFO] [stdout] test sudoku::sudoku::tests::test_parse ... ok
[INFO] [stdout] test sudoku::sudoku::tests::test_is_solved ... 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" "2e919326b160f02508b9d836c6c68e68ea69283d4bc8d11509a1ff027a313100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e919326b160f02508b9d836c6c68e68ea69283d4bc8d11509a1ff027a313100", kill_on_drop: false }`
[INFO] [stdout] 2e919326b160f02508b9d836c6c68e68ea69283d4bc8d11509a1ff027a313100