[INFO] cloning repository https://github.com/dannyhvc/sudoku_solver_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dannyhvc/sudoku_solver_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannyhvc%2Fsudoku_solver_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannyhvc%2Fsudoku_solver_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 605a29c5569ecfb2c05af895a61d9fbb8000bec5
[INFO] testing dannyhvc/sudoku_solver_rs against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannyhvc%2Fsudoku_solver_rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dannyhvc/sudoku_solver_rs
[INFO] finished tweaking git repo https://github.com/dannyhvc/sudoku_solver_rs
[INFO] tweaked toml for git repo https://github.com/dannyhvc/sudoku_solver_rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dannyhvc/sudoku_solver_rs on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dannyhvc/sudoku_solver_rs 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.11.3
[INFO] [stderr]   Downloaded rstest v0.19.0
[INFO] [stderr]   Downloaded env_filter v0.1.0
[INFO] [stderr]   Downloaded rstest_macros v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc03509e3066e6a676435d3b2adb9997d2aa019a72c0d8a569f8551007319e6f
[INFO] running `Command { std: "docker" "start" "-a" "cc03509e3066e6a676435d3b2adb9997d2aa019a72c0d8a569f8551007319e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc03509e3066e6a676435d3b2adb9997d2aa019a72c0d8a569f8551007319e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc03509e3066e6a676435d3b2adb9997d2aa019a72c0d8a569f8551007319e6f", kill_on_drop: false }`
[INFO] [stdout] cc03509e3066e6a676435d3b2adb9997d2aa019a72c0d8a569f8551007319e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6043edcccf38b3d879096298ef67599e85e40fcbfe052602fa2aca03aa30b26e
[INFO] running `Command { std: "docker" "start" "-a" "6043edcccf38b3d879096298ef67599e85e40fcbfe052602fa2aca03aa30b26e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling anstyle-query v1.0.3
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling env_filter v0.1.0
[INFO] [stderr]    Compiling env_logger v0.11.3
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/generator.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, info};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.73s
[INFO] running `Command { std: "docker" "inspect" "6043edcccf38b3d879096298ef67599e85e40fcbfe052602fa2aca03aa30b26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6043edcccf38b3d879096298ef67599e85e40fcbfe052602fa2aca03aa30b26e", kill_on_drop: false }`
[INFO] [stdout] 6043edcccf38b3d879096298ef67599e85e40fcbfe052602fa2aca03aa30b26e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4b662c6245690898ec1d6045a1d622df1c672a4c8e9b0c787dca40088bad3d
[INFO] running `Command { std: "docker" "start" "-a" "bf4b662c6245690898ec1d6045a1d622df1c672a4c8e9b0c787dca40088bad3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest_macros v0.19.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling env_filter v0.1.0
[INFO] [stderr]    Compiling env_logger v0.11.3
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/generator.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, info};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling rstest v0.19.0
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/generator.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{debug, info};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mangled_board`
[INFO] [stdout]    --> src/test/mod.rs:104:47
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn test_remove_column_duplicates(_logger: (), mangled_board: Board) {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mangled_board`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.79s
[INFO] running `Command { std: "docker" "inspect" "bf4b662c6245690898ec1d6045a1d622df1c672a4c8e9b0c787dca40088bad3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4b662c6245690898ec1d6045a1d622df1c672a4c8e9b0c787dca40088bad3d", kill_on_drop: false }`
[INFO] [stdout] bf4b662c6245690898ec1d6045a1d622df1c672a4c8e9b0c787dca40088bad3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13ceee42b9b9fca5d0a87daef2c153b8c8a9618d11d95a079efbe32a66cda0ba
[INFO] running `Command { std: "docker" "start" "-a" "13ceee42b9b9fca5d0a87daef2c153b8c8a9618d11d95a079efbe32a66cda0ba", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `info`
[INFO] [stderr]  --> src/generator.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{debug, info};
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku-solver` (lib) generated 1 warning (run `cargo fix --lib -p sudoku-solver` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `mangled_board`
[INFO] [stderr]    --> src/test/mod.rs:104:47
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn test_remove_column_duplicates(_logger: (), mangled_board: Board) {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mangled_board`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku-solver` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku_solver-a767e6df95bff283)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_remove_column_duplicates ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku_solver
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/generator.rs - generator::Board::find_empty (line 80) ... ignored
[INFO] [stdout] test src/generator.rs - generator::SudokuSolver::find_empty (line 39) ... ignored
[INFO] [stdout] test src/generator.rs - generator::SudokuSolver::print_board (line 52) ... ignored
[INFO] [stdout] test src/generator.rs - generator::SudokuSolver::solve (line 22) ... ignored
[INFO] [stdout] test src/iter.rs - iter::ColumnIterator (line 20) ... ignored
[INFO] [stdout] test src/validator.rs - validator::SudokuValidator::is_col_valid (line 40) ... ignored
[INFO] [stdout] test src/validator.rs - validator::SudokuValidator::is_row_valid (line 19) ... ignored
[INFO] [stdout] test src/validator.rs - validator::SudokuValidator::is_subgrid_valid (line 61) ... ignored
[INFO] [stdout] test src/validator.rs - validator::SudokuValidator::is_valid (line 82) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 9 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13ceee42b9b9fca5d0a87daef2c153b8c8a9618d11d95a079efbe32a66cda0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ceee42b9b9fca5d0a87daef2c153b8c8a9618d11d95a079efbe32a66cda0ba", kill_on_drop: false }`
[INFO] [stdout] 13ceee42b9b9fca5d0a87daef2c153b8c8a9618d11d95a079efbe32a66cda0ba