[INFO] cloning repository https://github.com/matt-cross/rust-sudoko [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matt-cross/rust-sudoko" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-cross%2Frust-sudoko", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-cross%2Frust-sudoko'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c22d67d2c7a8d634409d0dccbfc98237de8a474 [INFO] testing matt-cross/rust-sudoko against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-cross%2Frust-sudoko" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/matt-cross/rust-sudoko [INFO] finished tweaking git repo https://github.com/matt-cross/rust-sudoko [INFO] tweaked toml for git repo https://github.com/matt-cross/rust-sudoko written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/matt-cross/rust-sudoko on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/matt-cross/rust-sudoko 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 025d401e88aba88ef35358c88471710af7837d01d64391b9bb6df3a9b501ca6f [INFO] running `Command { std: "docker" "start" "-a" "025d401e88aba88ef35358c88471710af7837d01d64391b9bb6df3a9b501ca6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "025d401e88aba88ef35358c88471710af7837d01d64391b9bb6df3a9b501ca6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "025d401e88aba88ef35358c88471710af7837d01d64391b9bb6df3a9b501ca6f", kill_on_drop: false }` [INFO] [stdout] 025d401e88aba88ef35358c88471710af7837d01d64391b9bb6df3a9b501ca6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4fcdd07eae16069d25cf1bed77e2927054dbb4880f7f521acc2f2162980667d [INFO] running `Command { std: "docker" "start" "-a" "b4fcdd07eae16069d25cf1bed77e2927054dbb4880f7f521acc2f2162980667d", kill_on_drop: false }` [INFO] [stderr] Compiling colored v3.0.0 [INFO] [stderr] Compiling fixedbitset v0.5.7 [INFO] [stderr] Compiling rust-sudoko v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated items `from_digits`, `count`, and `digits` are never used [INFO] [stdout] --> src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 21 | impl Cell { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 31 | fn from_digits(digits: I) -> Self [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn count(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 108 | fn digits(&self) -> HashSet { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CellAndLoc` is never constructed [INFO] [stdout] --> src/main.rs:126:8 [INFO] [stdout] | [INFO] [stdout] 126 | struct CellAndLoc { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `with_board_idx`, and `with_group_idx` are never used [INFO] [stdout] --> src/main.rs:133:8 [INFO] [stdout] | [INFO] [stdout] 132 | impl CellAndLoc { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 133 | fn new(cell: &Cell) -> CellAndLoc { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | fn with_board_idx(mut self, board_idx: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 146 | fn with_group_idx(mut self, group_idx: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/main.rs:158:8 [INFO] [stdout] | [INFO] [stdout] 157 | impl Board { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 158 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 244 | fn valid(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 264 | fn solved(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 277 | fn rows() -> Vec> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 293 | fn columns() -> Vec> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 309 | fn boxes() -> Vec> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 323 | fn all_groups() -> Vec> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 398 | fn get_cells<'a, I>(&self, group: &'a I) -> HashSet [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `name` is never used [INFO] [stdout] --> src/main.rs:435:8 [INFO] [stdout] | [INFO] [stdout] 430 | trait Strategy { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 435 | fn name(&self) -> String; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_strategies` is never used [INFO] [stdout] --> src/main.rs:442:4 [INFO] [stdout] | [INFO] [stdout] 442 | fn get_strategies() -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NakedPair` is never constructed [INFO] [stdout] --> src/disjoint_subset.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct NakedPair; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "b4fcdd07eae16069d25cf1bed77e2927054dbb4880f7f521acc2f2162980667d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4fcdd07eae16069d25cf1bed77e2927054dbb4880f7f521acc2f2162980667d", kill_on_drop: false }` [INFO] [stdout] b4fcdd07eae16069d25cf1bed77e2927054dbb4880f7f521acc2f2162980667d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a29974ed0a9c20d6e70394c8dab83d442188012a69bf8899f0884688d51bdf40 [INFO] running `Command { std: "docker" "start" "-a" "a29974ed0a9c20d6e70394c8dab83d442188012a69bf8899f0884688d51bdf40", kill_on_drop: false }` [INFO] [stderr] Compiling rust-sudoko v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "a29974ed0a9c20d6e70394c8dab83d442188012a69bf8899f0884688d51bdf40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a29974ed0a9c20d6e70394c8dab83d442188012a69bf8899f0884688d51bdf40", kill_on_drop: false }` [INFO] [stdout] a29974ed0a9c20d6e70394c8dab83d442188012a69bf8899f0884688d51bdf40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 981224303cf8425fde7b0ae290abbac302b452a9d33f4be8449e034e403170c3 [INFO] running `Command { std: "docker" "start" "-a" "981224303cf8425fde7b0ae290abbac302b452a9d33f4be8449e034e403170c3", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_sudoko-0f8ae0e680d925af) [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test tests::test_box_neighbors ... ok [INFO] [stdout] test tests::test_boxes ... ok [INFO] [stdout] test tests::test_cell_digits ... ok [INFO] [stdout] test tests::test_cell_remove_to_solved ... ok [INFO] [stdout] test tests::test_col_neighbors ... ok [INFO] [stdout] test tests::test_columns ... ok [INFO] [stdout] test tests::test_empty_board ... ok [INFO] [stdout] test tests::test_empty_board_unsolved ... ok [INFO] [stdout] test tests::test_cell_remove ... ok [INFO] [stdout] test tests::test_loaded_board ... ok [INFO] [stdout] test tests::test_cell_remove_from_solved ... ok [INFO] [stdout] test tests::test_loaded_board_invalid ... ok [INFO] [stdout] test tests::test_row_neighbors ... ok [INFO] [stdout] test tests::test_get_cells ... ok [INFO] [stdout] test tests::test_empty_board_valid ... ok [INFO] [stdout] test tests::test_loaded_board_valid ... ok [INFO] [stdout] test tests::test_empty_cell_create ... ok [INFO] [stdout] test tests::test_cell_count ... ok [INFO] [stdout] test tests::test_strategies_produce_valid_boards ... ok [INFO] [stdout] test tests::test_rows ... ok [INFO] [stdout] test tests::test_naked_pair ... ok [INFO] [stdout] test tests::test_solved ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "981224303cf8425fde7b0ae290abbac302b452a9d33f4be8449e034e403170c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "981224303cf8425fde7b0ae290abbac302b452a9d33f4be8449e034e403170c3", kill_on_drop: false }` [INFO] [stdout] 981224303cf8425fde7b0ae290abbac302b452a9d33f4be8449e034e403170c3