[INFO] cloning repository https://github.com/Skipants/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/Skipants/sudoku_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkipants%2Fsudoku_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkipants%2Fsudoku_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e2213d71b3e001dfb5997b07e26b3b21ccf97fd6 [INFO] checking Skipants/sudoku_solver against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkipants%2Fsudoku_solver" "/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/Skipants/sudoku_solver on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7/source/Cargo.toml [INFO] crate git repo https://github.com/Skipants/sudoku_solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5136327a26436c7eb0c81576e2b80f7ea5c743e822816b3a1a9c022de2f5f109 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5136327a26436c7eb0c81576e2b80f7ea5c743e822816b3a1a9c022de2f5f109", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5136327a26436c7eb0c81576e2b80f7ea5c743e822816b3a1a9c022de2f5f109", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5136327a26436c7eb0c81576e2b80f7ea5c743e822816b3a1a9c022de2f5f109", kill_on_drop: false }` [INFO] [stdout] 5136327a26436c7eb0c81576e2b80f7ea5c743e822816b3a1a9c022de2f5f109 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30a547c4767886746dd27ebc8fd8d7191bdb0ddc7d584d17cc72a9827b37ebfb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "30a547c4767886746dd27ebc8fd8d7191bdb0ddc7d584d17cc72a9827b37ebfb", kill_on_drop: false }` [INFO] [stderr] Checking sudoku_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0583]: file not found for module `sole_candidate` [INFO] [stdout] --> src/strategies/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub mod sole_candidate; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: to create the module `sole_candidate`, create file "src/strategies/sole_candidate.rs" or "src/strategies/sole_candidate/mod.rs" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sudoku_solver` due to 8 previous errors; 1 warning emitted [INFO] [stdout] error[E0432]: unresolved import `sudoku_cell_bitmask` [INFO] [stdout] --> src/strategies/column_row_exclusion.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sudoku_cell_bitmask; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ no `sudoku_cell_bitmask` in the root [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0432]: unresolved import `sudoku_cell_bitmask` [INFO] [stdout] --> src/strategies/unique_candidate.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use sudoku_cell_bitmask; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ no `sudoku_cell_bitmask` in the root [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `solve` in module `strategies::sole_candidate` [INFO] [stdout] --> src/main.rs:31:31 [INFO] [stdout] | [INFO] [stdout] 31 | strategies::sole_candidate::solve(board, x, y); [INFO] [stdout] | ^^^^^ not found in `strategies::sole_candidate` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 3 | use strategies::column_row_exclusion::solve; [INFO] [stdout] | [INFO] [stdout] 3 | use strategies::unique_candidate::solve; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `x` in this scope [INFO] [stdout] --> src/main.rs:31:44 [INFO] [stdout] | [INFO] [stdout] 31 | strategies::sole_candidate::solve(board, x, y); [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `y` in this scope [INFO] [stdout] --> src/main.rs:31:47 [INFO] [stdout] | [INFO] [stdout] 31 | strategies::sole_candidate::solve(board, x, y); [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/cell.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | 1...9 => Contents::Value(candidates.value), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0106]: missing lifetime specifier [INFO] [stdout] --> src/main.rs:16:53 [INFO] [stdout] | [INFO] [stdout] 16 | fn fill_board_from_file(filename: String) -> Result { [INFO] [stdout] | ^^^^^ expected named lifetime parameter [INFO] [stdout] | [INFO] [stdout] = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments [INFO] [stdout] help: consider using the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 16 | fn fill_board_from_file(filename: String) -> Result, std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0106, E0425, E0432, E0583. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0106`. [INFO] [stdout] [INFO] [stdout] error[E0583]: file not found for module `sole_candidate` [INFO] [stdout] --> src/strategies/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub mod sole_candidate; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: to create the module `sole_candidate`, create file "src/strategies/sole_candidate.rs" or "src/strategies/sole_candidate/mod.rs" [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `sudoku_cell_bitmask` [INFO] [stdout] --> src/strategies/column_row_exclusion.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sudoku_cell_bitmask; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ no `sudoku_cell_bitmask` in the root [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `sudoku_cell_bitmask` [INFO] [stdout] --> src/strategies/unique_candidate.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use sudoku_cell_bitmask; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ no `sudoku_cell_bitmask` in the root [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `solve` in module `strategies::sole_candidate` [INFO] [stdout] --> src/main.rs:31:31 [INFO] [stdout] | [INFO] [stdout] 31 | strategies::sole_candidate::solve(board, x, y); [INFO] [stdout] | ^^^^^ not found in `strategies::sole_candidate` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 3 | use strategies::column_row_exclusion::solve; [INFO] [stdout] | [INFO] [stdout] 3 | use strategies::unique_candidate::solve; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `x` in this scope [INFO] [stdout] --> src/main.rs:31:44 [INFO] [stdout] | [INFO] [stdout] 31 | strategies::sole_candidate::solve(board, x, y); [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `y` in this scope [INFO] [stdout] --> src/main.rs:31:47 [INFO] [stdout] | [INFO] [stdout] 31 | strategies::sole_candidate::solve(board, x, y); [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/cell.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | 1...9 => Contents::Value(candidates.value), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0106]: missing lifetime specifier [INFO] [stdout] --> src/main.rs:16:53 [INFO] [stdout] | [INFO] [stdout] 16 | fn fill_board_from_file(filename: String) -> Result { [INFO] [stdout] | ^^^^^ expected named lifetime parameter [INFO] [stdout] | [INFO] [stdout] = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments [INFO] [stdout] help: consider using the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 16 | fn fill_board_from_file(filename: String) -> Result, std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0106, E0425, E0432, E0583. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0106`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "30a547c4767886746dd27ebc8fd8d7191bdb0ddc7d584d17cc72a9827b37ebfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30a547c4767886746dd27ebc8fd8d7191bdb0ddc7d584d17cc72a9827b37ebfb", kill_on_drop: false }` [INFO] [stdout] 30a547c4767886746dd27ebc8fd8d7191bdb0ddc7d584d17cc72a9827b37ebfb