[INFO] cloning repository https://github.com/kokoro-a/polyomino-tiling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kokoro-a/polyomino-tiling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkokoro-a%2Fpolyomino-tiling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkokoro-a%2Fpolyomino-tiling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71afc734ed138a0f7aa38859950b637d556d3752
[INFO] testing kokoro-a/polyomino-tiling against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkokoro-a%2Fpolyomino-tiling" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kokoro-a/polyomino-tiling
[INFO] finished tweaking git repo https://github.com/kokoro-a/polyomino-tiling
[INFO] tweaked toml for git repo https://github.com/kokoro-a/polyomino-tiling written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kokoro-a/polyomino-tiling on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kokoro-a/polyomino-tiling 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 078a8e7242094b2491b5c6afd254c0430b04b0740b6fa549de6946bb9791e8e5
[INFO] running `Command { std: "docker" "start" "-a" "078a8e7242094b2491b5c6afd254c0430b04b0740b6fa549de6946bb9791e8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "078a8e7242094b2491b5c6afd254c0430b04b0740b6fa549de6946bb9791e8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078a8e7242094b2491b5c6afd254c0430b04b0740b6fa549de6946bb9791e8e5", kill_on_drop: false }`
[INFO] [stdout] 078a8e7242094b2491b5c6afd254c0430b04b0740b6fa549de6946bb9791e8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69f230bd6839d867d2bcf4f526c4aab6da0f56667be0d6572512085544ecf476
[INFO] running `Command { std: "docker" "start" "-a" "69f230bd6839d867d2bcf4f526c4aab6da0f56667be0d6572512085544ecf476", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling jiff v0.2.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling js-sys v0.3.77
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde-wasm-bindgen v0.6.5
[INFO] [stderr]    Compiling web-sys v0.3.77
[INFO] [stderr]    Compiling polyomino-tiling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.73s
[INFO] running `Command { std: "docker" "inspect" "69f230bd6839d867d2bcf4f526c4aab6da0f56667be0d6572512085544ecf476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f230bd6839d867d2bcf4f526c4aab6da0f56667be0d6572512085544ecf476", kill_on_drop: false }`
[INFO] [stdout] 69f230bd6839d867d2bcf4f526c4aab6da0f56667be0d6572512085544ecf476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20c28e8958485f7782d8aef83d2e6113a22f9b353719efa853545b304cc2aba4
[INFO] running `Command { std: "docker" "start" "-a" "20c28e8958485f7782d8aef83d2e6113a22f9b353719efa853545b304cc2aba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyomino-tiling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "20c28e8958485f7782d8aef83d2e6113a22f9b353719efa853545b304cc2aba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c28e8958485f7782d8aef83d2e6113a22f9b353719efa853545b304cc2aba4", kill_on_drop: false }`
[INFO] [stdout] 20c28e8958485f7782d8aef83d2e6113a22f9b353719efa853545b304cc2aba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64afbd037faeb4b7a85445444405e8c0fd0caedccea6cda9d11e2cb571f5be18
[INFO] running `Command { std: "docker" "start" "-a" "64afbd037faeb4b7a85445444405e8c0fd0caedccea6cda9d11e2cb571f5be18", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polyomino_tiling-5afde034b95574e8)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test dancing_links::tests::test_dancing_links_complex ... ok
[INFO] [stdout] test dancing_links::tests::test_dancing_links_no_solution ... ok
[INFO] [stdout] test dancing_links::tests::test_dancing_links_simple ... ok
[INFO] [stdout] test dancing_links::tests::test_dancing_links_single_row ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_get_all_placement_without_rotation_nor_mirror ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_is_board_size_eq_to_number_of_cells_of_polyominoes ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_mirror_matrix ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_rotate_matrix ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_solve_polyomino_tiling_no_solution ... ok
[INFO] [stdout] test pretty::tests::test_matrix_to_str ... ok
[INFO] [stdout] test pretty::tests::test_str_to_matrix ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_piece_placements_to_matrix_of_piece_ids ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_get_all_rotations_and_mirrors ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_flatten ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/polyomino_tiling-12284f9a062081cd)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test dancing_links::tests::test_dancing_links_simple ... ok
[INFO] [stdout] test dancing_links::tests::test_dancing_links_single_row ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_flatten ... ok
[INFO] [stdout] test dancing_links::tests::test_dancing_links_complex ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_get_all_placement_without_rotation_nor_mirror ... ok
[INFO] [stdout] test dancing_links::tests::test_dancing_links_no_solution ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_get_all_rotations_and_mirrors ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_is_board_size_eq_to_number_of_cells_of_polyominoes ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_mirror_matrix ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_piece_placements_to_matrix_of_piece_ids ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_rotate_matrix ... ok
[INFO] [stdout] test polyomino_tiling::tests::test_solve_polyomino_tiling_no_solution ... ok
[INFO] [stdout] test pretty::tests::test_matrix_to_str ... ok
[INFO] [stdout] test pretty::tests::test_str_to_matrix ... ok
[INFO] [stdout] test tests::test_solve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64afbd037faeb4b7a85445444405e8c0fd0caedccea6cda9d11e2cb571f5be18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64afbd037faeb4b7a85445444405e8c0fd0caedccea6cda9d11e2cb571f5be18", kill_on_drop: false }`
[INFO] [stdout] 64afbd037faeb4b7a85445444405e8c0fd0caedccea6cda9d11e2cb571f5be18
