[INFO] updating cached repository https://github.com/Skipants/sudoku_solver
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2213d71b3e001dfb5997b07e26b3b21ccf97fd6
[INFO] checking Skipants/sudoku_solver against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkipants%2Fsudoku_solver" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Skipants/sudoku_solver on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Skipants/sudoku_solver
[INFO] finished tweaking git repo https://github.com/Skipants/sudoku_solver
[INFO] tweaked toml for git repo https://github.com/Skipants/sudoku_solver written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Skipants/sudoku_solver already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15cab72e1191ef9e999ee5d49e66593ef47efd90854683f9de2e9a36c4fc11c4
[INFO] running `"docker" "start" "-a" "15cab72e1191ef9e999ee5d49e66593ef47efd90854683f9de2e9a36c4fc11c4"`
[INFO] [stderr]     Checking sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0583]: file not found for module `sole_candidate`
[INFO] [stderr]  --> src/strategies/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod sole_candidate;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: to create the module `sole_candidate`, create file "src/strategies/sole_candidate.rs"
[INFO] [stderr] 
[INFO] [stderr] error[E0583]: file not found for module `sole_candidate`
[INFO] [stderr]  --> src/strategies/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod sole_candidate;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: to create the module `sole_candidate`, create file "src/strategies/sole_candidate.rs"
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `sudoku_cell_bitmask`
[INFO] [stderr]  --> src/strategies/column_row_exclusion.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use sudoku_cell_bitmask;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^ no `sudoku_cell_bitmask` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `sudoku_cell_bitmask`
[INFO] [stderr]  --> src/strategies/unique_candidate.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use sudoku_cell_bitmask;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^ no `sudoku_cell_bitmask` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `sudoku_cell_bitmask`
[INFO] [stderr]  --> src/strategies/column_row_exclusion.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use sudoku_cell_bitmask;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^ no `sudoku_cell_bitmask` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `sudoku_cell_bitmask`
[INFO] [stderr]  --> src/strategies/unique_candidate.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use sudoku_cell_bitmask;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^ no `sudoku_cell_bitmask` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `solve` in module `strategies::sole_candidate`
[INFO] [stderr]   --> src/main.rs:31:31
[INFO] [stderr]    |
[INFO] [stderr] 31 |         strategies::sole_candidate::solve(board, x, y);
[INFO] [stderr]    |                                     ^^^^^ not found in `strategies::sole_candidate`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 3  | use strategies::column_row_exclusion::solve;
[INFO] [stderr]    |
[INFO] [stderr] 3  | use strategies::unique_candidate::solve;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `x` in this scope
[INFO] [stderr]   --> src/main.rs:31:44
[INFO] [stderr]    |
[INFO] [stderr] 31 |         strategies::sole_candidate::solve(board, x, y);
[INFO] [stderr]    |                                                  ^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `y` in this scope
[INFO] [stderr]   --> src/main.rs:31:47
[INFO] [stderr]    |
[INFO] [stderr] 31 |         strategies::sole_candidate::solve(board, x, y);
[INFO] [stderr]    |                                                     ^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cell.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 1...9 => Contents::Value(candidates.value),
[INFO] [stderr]    |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `solve` in module `strategies::sole_candidate`
[INFO] [stderr]   --> src/main.rs:31:31
[INFO] [stderr]    |
[INFO] [stderr] 31 |         strategies::sole_candidate::solve(board, x, y);
[INFO] [stderr]    |                                     ^^^^^ not found in `strategies::sole_candidate`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 3  | use strategies::column_row_exclusion::solve;
[INFO] [stderr]    |
[INFO] [stderr] 3  | use strategies::unique_candidate::solve;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `x` in this scope
[INFO] [stderr]   --> src/main.rs:31:44
[INFO] [stderr]    |
[INFO] [stderr] 31 |         strategies::sole_candidate::solve(board, x, y);
[INFO] [stderr]    |                                                  ^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `y` in this scope
[INFO] [stderr]   --> src/main.rs:31:47
[INFO] [stderr]    |
[INFO] [stderr] 31 |         strategies::sole_candidate::solve(board, x, y);
[INFO] [stderr]    |                                                     ^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cell.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 1...9 => Contents::Value(candidates.value),
[INFO] [stderr]    |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0106]: missing lifetime specifier
[INFO] [stderr]   --> src/main.rs:16:53
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn fill_board_from_file(filename: String) -> Result<Board, std::io::Error> {
[INFO] [stderr]    |                                                     ^^^^^ help: consider giving it an explicit bounded or 'static lifetime: `Board + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0106]: missing lifetime specifier
[INFO] [stderr]   --> src/main.rs:16:53
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn fill_board_from_file(filename: String) -> Result<Board, std::io::Error> {
[INFO] [stderr]    |                                                     ^^^^^ help: consider giving it an explicit bounded or 'static lifetime: `Board + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0106, E0425, E0432, E0583.
[INFO] [stderr] For more information about an error, try `rustc --explain E0106`.
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0106, E0425, E0432, E0583.
[INFO] [stderr] For more information about an error, try `rustc --explain E0106`.
[INFO] [stderr] error: could not compile `sudoku_solver`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `sudoku_solver`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "15cab72e1191ef9e999ee5d49e66593ef47efd90854683f9de2e9a36c4fc11c4"`
[INFO] running `"docker" "rm" "-f" "15cab72e1191ef9e999ee5d49e66593ef47efd90854683f9de2e9a36c4fc11c4"`
[INFO] [stdout] 15cab72e1191ef9e999ee5d49e66593ef47efd90854683f9de2e9a36c4fc11c4
