[INFO] cloning repository https://github.com/philmcminn/rust-sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/philmcminn/rust-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmcminn%2Frust-sudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmcminn%2Frust-sudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8baaaa55d6011f19725e7784062ca888901f184 [INFO] testing philmcminn/rust-sudoku against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmcminn%2Frust-sudoku" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/philmcminn/rust-sudoku on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/philmcminn/rust-sudoku [INFO] finished tweaking git repo https://github.com/philmcminn/rust-sudoku [INFO] tweaked toml for git repo https://github.com/philmcminn/rust-sudoku written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/philmcminn/rust-sudoku already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd2e2a87cdf13a440cac341909dc500abdd4ecaed55bc76988dca9475085d97f [INFO] running `Command { std: "docker" "start" "-a" "bd2e2a87cdf13a440cac341909dc500abdd4ecaed55bc76988dca9475085d97f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd2e2a87cdf13a440cac341909dc500abdd4ecaed55bc76988dca9475085d97f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd2e2a87cdf13a440cac341909dc500abdd4ecaed55bc76988dca9475085d97f", kill_on_drop: false }` [INFO] [stdout] bd2e2a87cdf13a440cac341909dc500abdd4ecaed55bc76988dca9475085d97f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 545145d3e0385397ea5105a791d9b66495d4fdd273fc3fc01a5f413a59111364 [INFO] running `Command { std: "docker" "start" "-a" "545145d3e0385397ea5105a791d9b66495d4fdd273fc3fc01a5f413a59111364", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::DLX` [INFO] [stdout] --> src/dlx.rs:318:9 [INFO] [stdout] | [INFO] [stdout] 318 | use super::DLX; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Sudoku` [INFO] [stdout] --> src/solver.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | use super::Sudoku; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::DLX` [INFO] [stdout] --> src/solver.rs:101:9 [INFO] [stdout] | [INFO] [stdout] 101 | use super::DLX; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::super::solver` [INFO] [stdout] --> src/solver.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | use super::super::solver; // TODO: is there a better way to state this [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Sudoku` [INFO] [stdout] --> src/sudoku.rs:245:9 [INFO] [stdout] | [INFO] [stdout] 245 | use super::Sudoku; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/dlx.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | id: usize, [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: `num_cols` [INFO] [stdout] --> src/matrix.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn num_cols(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `next_id` [INFO] [stdout] --> src/matrix.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | next_id: Option<(usize, usize)>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `block_dimension` [INFO] [stdout] --> src/sudoku.rs:99:12 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn block_dimension(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_completed` [INFO] [stdout] --> src/sudoku.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn is_completed(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.08s [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "545145d3e0385397ea5105a791d9b66495d4fdd273fc3fc01a5f413a59111364", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "545145d3e0385397ea5105a791d9b66495d4fdd273fc3fc01a5f413a59111364", kill_on_drop: false }` [INFO] [stdout] 545145d3e0385397ea5105a791d9b66495d4fdd273fc3fc01a5f413a59111364 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81ba57fef5b36f75b6949dc576b0e7f825e5f5b0d6d8904f7f7dffbeb8574ef8 [INFO] running `Command { std: "docker" "start" "-a" "81ba57fef5b36f75b6949dc576b0e7f825e5f5b0d6d8904f7f7dffbeb8574ef8", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::DLX` [INFO] [stdout] --> src/solver.rs:101:9 [INFO] [stdout] | [INFO] [stdout] 101 | use super::DLX; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/dlx.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | id: usize, [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: `num_cols` [INFO] [stdout] --> src/matrix.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn num_cols(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `next_id` [INFO] [stdout] --> src/matrix.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | next_id: Option<(usize, usize)>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `block_dimension` [INFO] [stdout] --> src/sudoku.rs:99:12 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn block_dimension(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_completed` [INFO] [stdout] --> src/sudoku.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn is_completed(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.25s [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "81ba57fef5b36f75b6949dc576b0e7f825e5f5b0d6d8904f7f7dffbeb8574ef8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81ba57fef5b36f75b6949dc576b0e7f825e5f5b0d6d8904f7f7dffbeb8574ef8", kill_on_drop: false }` [INFO] [stdout] 81ba57fef5b36f75b6949dc576b0e7f825e5f5b0d6d8904f7f7dffbeb8574ef8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] da38f35278a9a1be384bf90c07e7e0e972f2746f3eec40a29370a7ab45f6edbe [INFO] running `Command { std: "docker" "start" "-a" "da38f35278a9a1be384bf90c07e7e0e972f2746f3eec40a29370a7ab45f6edbe", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `super::DLX` [INFO] [stderr] --> src/solver.rs:101:9 [INFO] [stderr] | [INFO] [stderr] 101 | use super::DLX; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/dlx.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | id: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `num_cols` [INFO] [stderr] --> src/matrix.rs:52:12 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn num_cols(&self) -> usize { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `next_id` [INFO] [stderr] --> src/matrix.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | next_id: Option<(usize, usize)>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `block_dimension` [INFO] [stderr] --> src/sudoku.rs:99:12 [INFO] [stderr] | [INFO] [stderr] 99 | pub fn block_dimension(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_completed` [INFO] [stderr] --> src/sudoku.rs:146:12 [INFO] [stderr] | [INFO] [stderr] 146 | pub fn is_completed(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sudoku-37997b7162126a1e) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test dlx::tests::test_matrix_col_indices ... ok [INFO] [stdout] test dlx::tests::test_matrix_col_vertex_id ... ok [INFO] [stdout] test dlx::tests::test_matrix_cover_elements ... ok [INFO] [stdout] test dlx::tests::test_matrix_row_indices ... ok [INFO] [stdout] test sudoku::tests::test_is_consistent_column ... ok [INFO] [stdout] test sudoku::tests::test_is_consistent_row ... ok [INFO] [stdout] test dlx::tests::test_matrix_set_element ... ok [INFO] [stdout] test dlx::tests::test_matrix_row_vertex_id ... ok [INFO] [stdout] test dlx::tests::test_matrix_element_vertex_id ... ok [INFO] [stdout] test solver::tests::test_cell_value_for_matrix_row ... ok [INFO] [stdout] test sudoku::tests::test_is_consistent_block ... ok [INFO] [stdout] test dlx::tests::test_matrix_uncover_elements ... ok [INFO] [stdout] test solver::tests::test_matrix_row_for_cell_value ... ok [INFO] [stdout] test dlx::tests::test_matrix_indices_one_element ... ok [INFO] [stdout] test dlx::tests::test_matrix_new ... ok [INFO] [stdout] test dlx::tests::test_matrix_element_vertex_id_panic_row ... ok [INFO] [stdout] test dlx::tests::test_matrix_element_vertex_id_panic_col ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "da38f35278a9a1be384bf90c07e7e0e972f2746f3eec40a29370a7ab45f6edbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da38f35278a9a1be384bf90c07e7e0e972f2746f3eec40a29370a7ab45f6edbe", kill_on_drop: false }` [INFO] [stdout] da38f35278a9a1be384bf90c07e7e0e972f2746f3eec40a29370a7ab45f6edbe