[INFO] cloning repository https://github.com/pixelshot91/sudoku-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pixelshot91/sudoku-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixelshot91%2Fsudoku-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixelshot91%2Fsudoku-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f03b72eb9019387a48293c4c81b5a8780b78ecf
[INFO] testing pixelshot91/sudoku-rs against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixelshot91%2Fsudoku-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pixelshot91/sudoku-rs
[INFO] finished tweaking git repo https://github.com/pixelshot91/sudoku-rs
[INFO] tweaked toml for git repo https://github.com/pixelshot91/sudoku-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pixelshot91/sudoku-rs on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pixelshot91/sudoku-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeda7511a0b2fd2f402a6526bc5940f290b0cd86dc1d974715faa51131017b44
[INFO] running `Command { std: "docker" "start" "-a" "aeda7511a0b2fd2f402a6526bc5940f290b0cd86dc1d974715faa51131017b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeda7511a0b2fd2f402a6526bc5940f290b0cd86dc1d974715faa51131017b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeda7511a0b2fd2f402a6526bc5940f290b0cd86dc1d974715faa51131017b44", kill_on_drop: false }`
[INFO] [stdout] aeda7511a0b2fd2f402a6526bc5940f290b0cd86dc1d974715faa51131017b44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29cd5b4510250922965059dfc361091ec9bbab118617303a9482bda00362f0cb
[INFO] running `Command { std: "docker" "start" "-a" "29cd5b4510250922965059dfc361091ec9bbab118617303a9482bda00362f0cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling sudoku-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:412:5
[INFO] [stdout]     |
[INFO] [stdout] 404 | /     loop {
[INFO] [stdout] 405 | |         assert!(solver.make_progress());
[INFO] [stdout] 406 | |
[INFO] [stdout] 407 | |         println!("{}", solver.psg);
[INFO] [stdout] 408 | |
[INFO] [stdout] 409 | |         std::io::stdin().read(&mut [0u8]).unwrap();
[INFO] [stdout] 410 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 411 |
[INFO] [stdout] 412 |       return;
[INFO] [stdout]     |       ^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `Command { std: "docker" "inspect" "29cd5b4510250922965059dfc361091ec9bbab118617303a9482bda00362f0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cd5b4510250922965059dfc361091ec9bbab118617303a9482bda00362f0cb", kill_on_drop: false }`
[INFO] [stdout] 29cd5b4510250922965059dfc361091ec9bbab118617303a9482bda00362f0cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05933e496d856e823229ba8727d977c70c926c152df0ac46c2ecb798e7ab9edb
[INFO] running `Command { std: "docker" "start" "-a" "05933e496d856e823229ba8727d977c70c926c152df0ac46c2ecb798e7ab9edb", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `strum::IntoEnumIterator`
[INFO] [stdout]    --> src/main.rs:421:9
[INFO] [stdout]     |
[INFO] [stdout] 421 |     use strum::IntoEnumIterator;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:412:5
[INFO] [stdout]     |
[INFO] [stdout] 404 | /     loop {
[INFO] [stdout] 405 | |         assert!(solver.make_progress());
[INFO] [stdout] 406 | |
[INFO] [stdout] 407 | |         println!("{}", solver.psg);
[INFO] [stdout] 408 | |
[INFO] [stdout] 409 | |         std::io::stdin().read(&mut [0u8]).unwrap();
[INFO] [stdout] 410 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 411 |
[INFO] [stdout] 412 |       return;
[INFO] [stdout]     |       ^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "05933e496d856e823229ba8727d977c70c926c152df0ac46c2ecb798e7ab9edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05933e496d856e823229ba8727d977c70c926c152df0ac46c2ecb798e7ab9edb", kill_on_drop: false }`
[INFO] [stdout] 05933e496d856e823229ba8727d977c70c926c152df0ac46c2ecb798e7ab9edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 617e24cbb510eb8aed3b083ffe8ec9ff986f215d01edb57e44630c8685a0179d
[INFO] running `Command { std: "docker" "start" "-a" "617e24cbb510eb8aed3b083ffe8ec9ff986f215d01edb57e44630c8685a0179d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `strum::IntoEnumIterator`
[INFO] [stderr]    --> src/main.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 421 |     use strum::IntoEnumIterator;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:412:5
[INFO] [stderr]     |
[INFO] [stderr] 404 | /     loop {
[INFO] [stderr] 405 | |         assert!(solver.make_progress());
[INFO] [stderr] 406 | |
[INFO] [stderr] 407 | |         println!("{}", solver.psg);
[INFO] [stderr] 408 | |
[INFO] [stderr] 409 | |         std::io::stdin().read(&mut [0u8]).unwrap();
[INFO] [stderr] 410 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 411 |
[INFO] [stderr] 412 |       return;
[INFO] [stderr]     |       ^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku-rs` (bin "sudoku-rs" test) generated 2 warnings (run `cargo fix --bin "sudoku-rs" -p sudoku-rs --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_rs-dc1bdc1e2a36163f)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::digit_next ... ok
[INFO] [stdout] test test::make_progress_on_full_grid ... ok
[INFO] [stdout] test test::make_progress_on_empty_grid ... ok
[INFO] [stdout] test test::iter_solutions ... ok
[INFO] [stdout] test test::display_empty_grid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "617e24cbb510eb8aed3b083ffe8ec9ff986f215d01edb57e44630c8685a0179d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617e24cbb510eb8aed3b083ffe8ec9ff986f215d01edb57e44630c8685a0179d", kill_on_drop: false }`
[INFO] [stdout] 617e24cbb510eb8aed3b083ffe8ec9ff986f215d01edb57e44630c8685a0179d
