[INFO] cloning repository https://github.com/tvolk131/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/tvolk131/sudoku_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvolk131%2Fsudoku_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvolk131%2Fsudoku_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ff57a004761f3729545ff9082df12a2397b5835c [INFO] testing tvolk131/sudoku_solver against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvolk131%2Fsudoku_solver" "/workspace/builds/worker-54/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tvolk131/sudoku_solver on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tvolk131/sudoku_solver [INFO] finished tweaking git repo https://github.com/tvolk131/sudoku_solver [INFO] tweaked toml for git repo https://github.com/tvolk131/sudoku_solver written to /workspace/builds/worker-54/source/Cargo.toml [INFO] crate git repo https://github.com/tvolk131/sudoku_solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f33ab72e3c18390957e91b426deb5d469bf514543d9d17be4a89d22d789efd5d [INFO] running `Command { std: "docker" "start" "-a" "f33ab72e3c18390957e91b426deb5d469bf514543d9d17be4a89d22d789efd5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f33ab72e3c18390957e91b426deb5d469bf514543d9d17be4a89d22d789efd5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f33ab72e3c18390957e91b426deb5d469bf514543d9d17be4a89d22d789efd5d", kill_on_drop: false }` [INFO] [stdout] f33ab72e3c18390957e91b426deb5d469bf514543d9d17be4a89d22d789efd5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b61258f7f6b301b199661ffdeb3fe5a15ae471cd3a693082af3469018a36d67 [INFO] running `Command { std: "docker" "start" "-a" "1b61258f7f6b301b199661ffdeb3fe5a15ae471cd3a693082af3469018a36d67", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/puzzle.rs:235:21 [INFO] [stdout] | [INFO] [stdout] 235 | for i in 0..self.get_width() + self.get_block_width() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/puzzle.rs:258:13 [INFO] [stdout] | [INFO] [stdout] 258 | for i in 0..self.get_width() + 2 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_column` [INFO] [stdout] --> src/puzzle.rs:187:12 [INFO] [stdout] | [INFO] [stdout] 187 | pub fn get_column(&self, mut column_index: usize) -> Vec<&SudokuPuzzleCell> { [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: `get_block_column` [INFO] [stdout] --> src/puzzle.rs:341:8 [INFO] [stdout] | [INFO] [stdout] 341 | fn get_block_column(&self, column_index: usize) -> Vec<&SudokuPuzzleCell> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_expert_puzzle_1` [INFO] [stdout] --> src/sample_puzzles.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn get_expert_puzzle_1() -> SudokuPuzzle { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_insane_puzzle_1` [INFO] [stdout] --> src/sample_puzzles.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn get_insane_puzzle_1() -> SudokuPuzzle { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.74s [INFO] running `Command { std: "docker" "inspect" "1b61258f7f6b301b199661ffdeb3fe5a15ae471cd3a693082af3469018a36d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b61258f7f6b301b199661ffdeb3fe5a15ae471cd3a693082af3469018a36d67", kill_on_drop: false }` [INFO] [stdout] 1b61258f7f6b301b199661ffdeb3fe5a15ae471cd3a693082af3469018a36d67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2fe667b83323a6e021341279ee2b22c7363f0895a07cdc123c4f2f3293fec75c [INFO] running `Command { std: "docker" "start" "-a" "2fe667b83323a6e021341279ee2b22c7363f0895a07cdc123c4f2f3293fec75c", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/puzzle.rs:235:21 [INFO] [stdout] | [INFO] [stdout] 235 | for i in 0..self.get_width() + self.get_block_width() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/puzzle.rs:258:13 [INFO] [stdout] | [INFO] [stdout] 258 | for i in 0..self.get_width() + 2 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_column` [INFO] [stdout] --> src/puzzle.rs:187:12 [INFO] [stdout] | [INFO] [stdout] 187 | pub fn get_column(&self, mut column_index: usize) -> Vec<&SudokuPuzzleCell> { [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: `get_block_column` [INFO] [stdout] --> src/puzzle.rs:341:8 [INFO] [stdout] | [INFO] [stdout] 341 | fn get_block_column(&self, column_index: usize) -> Vec<&SudokuPuzzleCell> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_expert_puzzle_1` [INFO] [stdout] --> src/sample_puzzles.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn get_expert_puzzle_1() -> SudokuPuzzle { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_insane_puzzle_1` [INFO] [stdout] --> src/sample_puzzles.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn get_insane_puzzle_1() -> SudokuPuzzle { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.66s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_solver-d4f026854bc6f33e) [INFO] running `Command { std: "docker" "inspect" "2fe667b83323a6e021341279ee2b22c7363f0895a07cdc123c4f2f3293fec75c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fe667b83323a6e021341279ee2b22c7363f0895a07cdc123c4f2f3293fec75c", kill_on_drop: false }` [INFO] [stdout] 2fe667b83323a6e021341279ee2b22c7363f0895a07cdc123c4f2f3293fec75c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 874a9cf24b357ba282f352766a90c47a7bbb2da754d77f68fc0d2ab8ae8184a0 [INFO] running `Command { std: "docker" "start" "-a" "874a9cf24b357ba282f352766a90c47a7bbb2da754d77f68fc0d2ab8ae8184a0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/puzzle.rs:235:21 [INFO] [stderr] | [INFO] [stderr] 235 | for i in 0..self.get_width() + self.get_block_width() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/puzzle.rs:258:13 [INFO] [stderr] | [INFO] [stderr] 258 | for i in 0..self.get_width() + 2 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_column` [INFO] [stderr] --> src/puzzle.rs:187:12 [INFO] [stderr] | [INFO] [stderr] 187 | pub fn get_column(&self, mut column_index: usize) -> Vec<&SudokuPuzzleCell> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_block_column` [INFO] [stderr] --> src/puzzle.rs:341:8 [INFO] [stderr] | [INFO] [stderr] 341 | fn get_block_column(&self, column_index: usize) -> Vec<&SudokuPuzzleCell> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_expert_puzzle_1` [INFO] [stderr] --> src/sample_puzzles.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn get_expert_puzzle_1() -> SudokuPuzzle { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_insane_puzzle_1` [INFO] [stderr] --> src/sample_puzzles.rs:31:8 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn get_insane_puzzle_1() -> SudokuPuzzle { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `sudoku_solver` (bin "sudoku_solver" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_solver-d4f026854bc6f33e) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test puzzle::tests::sudoku_puzzle_cell_correct_initial_values ... ok [INFO] [stdout] test puzzle::tests::sudoku_puzzle_get_row ... ok [INFO] [stdout] test puzzle::tests::sudoku_puzzle_cell_panics_on_empty_init - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "874a9cf24b357ba282f352766a90c47a7bbb2da754d77f68fc0d2ab8ae8184a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "874a9cf24b357ba282f352766a90c47a7bbb2da754d77f68fc0d2ab8ae8184a0", kill_on_drop: false }` [INFO] [stdout] 874a9cf24b357ba282f352766a90c47a7bbb2da754d77f68fc0d2ab8ae8184a0