[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 master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmcminn%2Frust-sudoku" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/philmcminn/rust-sudoku on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/philmcminn/rust-sudoku 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e43aeefb96172020aa0d7e381ad2de39254183b4f567a7b0f576e2195829cfac
[INFO] running `Command { std: "docker" "start" "-a" "e43aeefb96172020aa0d7e381ad2de39254183b4f567a7b0f576e2195829cfac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43aeefb96172020aa0d7e381ad2de39254183b4f567a7b0f576e2195829cfac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43aeefb96172020aa0d7e381ad2de39254183b4f567a7b0f576e2195829cfac", kill_on_drop: false }`
[INFO] [stdout] e43aeefb96172020aa0d7e381ad2de39254183b4f567a7b0f576e2195829cfac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1365a6c355084f08b9739c3e5ccc8fcade2cb304fe2f71f2b15a65e0730a0d20
[INFO] running `Command { std: "docker" "start" "-a" "1365a6c355084f08b9739c3e5ccc8fcade2cb304fe2f71f2b15a65e0730a0d20", 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: method `num_cols` is never used
[INFO] [stdout]   --> src/matrix.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T: Clone> Matrix<T> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn num_cols(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `block_dimension` and `is_completed` are never used
[INFO] [stdout]    --> src/sudoku.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout] 14  | impl Sudoku {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn block_dimension(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn is_completed(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "1365a6c355084f08b9739c3e5ccc8fcade2cb304fe2f71f2b15a65e0730a0d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1365a6c355084f08b9739c3e5ccc8fcade2cb304fe2f71f2b15a65e0730a0d20", kill_on_drop: false }`
[INFO] [stdout] 1365a6c355084f08b9739c3e5ccc8fcade2cb304fe2f71f2b15a65e0730a0d20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 853b248643e95dee5af49e64429d41664578d164fcea20f5178e24a7abeb9828
[INFO] running `Command { std: "docker" "start" "-a" "853b248643e95dee5af49e64429d41664578d164fcea20f5178e24a7abeb9828", 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: method `num_cols` is never used
[INFO] [stdout]   --> src/matrix.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T: Clone> Matrix<T> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn num_cols(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `block_dimension` and `is_completed` are never used
[INFO] [stdout]    --> src/sudoku.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout] 14  | impl Sudoku {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn block_dimension(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn is_completed(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "853b248643e95dee5af49e64429d41664578d164fcea20f5178e24a7abeb9828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853b248643e95dee5af49e64429d41664578d164fcea20f5178e24a7abeb9828", kill_on_drop: false }`
[INFO] [stdout] 853b248643e95dee5af49e64429d41664578d164fcea20f5178e24a7abeb9828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a81be8dd2403c395de30c16c8bf6906c9ebcecdf7832d223d2740a6dc6674bf
[INFO] running `Command { std: "docker" "start" "-a" "7a81be8dd2403c395de30c16c8bf6906c9ebcecdf7832d223d2740a6dc6674bf", 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: method `num_cols` is never used
[INFO] [stderr]   --> src/matrix.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<T: Clone> Matrix<T> {
[INFO] [stderr]    | ------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn num_cols(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `block_dimension` and `is_completed` are never used
[INFO] [stderr]    --> src/sudoku.rs:99:12
[INFO] [stderr]     |
[INFO] [stderr] 14  | impl Sudoku {
[INFO] [stderr]     | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 99  |     pub fn block_dimension(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 146 |     pub fn is_completed(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku` (bin "sudoku" test) generated 3 warnings (run `cargo fix --bin "sudoku" --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-a4d75546e9dd6b77)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[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_element_vertex_id ... ok
[INFO] [stdout] test dlx::tests::test_matrix_element_vertex_id_panic_col - should panic ... FAILED
[INFO] [stdout] test dlx::tests::test_matrix_element_vertex_id_panic_row - should panic ... FAILED
[INFO] [stdout] test dlx::tests::test_matrix_indices_one_element ... ok
[INFO] [stdout] test dlx::tests::test_matrix_row_indices ... ok
[INFO] [stdout] test dlx::tests::test_matrix_col_indices ... ok
[INFO] [stdout] test dlx::tests::test_matrix_row_vertex_id ... ok
[INFO] [stdout] test dlx::tests::test_matrix_new ... ok
[INFO] [stdout] test dlx::tests::test_matrix_set_element ... ok
[INFO] [stdout] test dlx::tests::test_matrix_uncover_elements ... ok
[INFO] [stdout] test solver::tests::test_cell_value_for_matrix_row ... ok
[INFO] [stdout] test sudoku::tests::test_is_consistent_row ... ok
[INFO] [stdout] test solver::tests::test_matrix_row_for_cell_value ... ok
[INFO] [stdout] test sudoku::tests::test_is_consistent_block ... ok
[INFO] [stdout] test sudoku::tests::test_is_consistent_column ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- dlx::tests::test_matrix_element_vertex_id_panic_col stdout ----
[INFO] [stdout] note: test did not panic as expected at src/dlx.rs:361:8
[INFO] [stdout] ---- dlx::tests::test_matrix_element_vertex_id_panic_row stdout ----
[INFO] [stdout] note: test did not panic as expected at src/dlx.rs:368:8
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     dlx::tests::test_matrix_element_vertex_id_panic_col
[INFO] [stdout]     dlx::tests::test_matrix_element_vertex_id_panic_row
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 15 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin sudoku`
[INFO] running `Command { std: "docker" "inspect" "7a81be8dd2403c395de30c16c8bf6906c9ebcecdf7832d223d2740a6dc6674bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a81be8dd2403c395de30c16c8bf6906c9ebcecdf7832d223d2740a6dc6674bf", kill_on_drop: false }`
[INFO] [stdout] 7a81be8dd2403c395de30c16c8bf6906c9ebcecdf7832d223d2740a6dc6674bf
