[INFO] fetching crate sudokugen 0.3.0...
[INFO] testing sudokugen-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate sudokugen 0.3.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate sudokugen 0.3.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sudokugen 0.3.0
[INFO] finished tweaking crates.io crate sudokugen 0.3.0
[INFO] tweaked toml for crates.io crate sudokugen 0.3.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fb9df395cc659c9bae7dc2b357119eec11354cd04a71843c4ae443622fb43c0
[INFO] running `Command { std: "docker" "start" "-a" "7fb9df395cc659c9bae7dc2b357119eec11354cd04a71843c4ae443622fb43c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb9df395cc659c9bae7dc2b357119eec11354cd04a71843c4ae443622fb43c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb9df395cc659c9bae7dc2b357119eec11354cd04a71843c4ae443622fb43c0", kill_on_drop: false }`
[INFO] [stdout] 7fb9df395cc659c9bae7dc2b357119eec11354cd04a71843c4ae443622fb43c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0baea0d185a740e4f9674f40dbad3f54fc83c47bae0731e05cbd8448522a4ef1
[INFO] running `Command { std: "docker" "start" "-a" "0baea0d185a740e4f9674f40dbad3f54fc83c47bae0731e05cbd8448522a4ef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling sudokugen v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "0baea0d185a740e4f9674f40dbad3f54fc83c47bae0731e05cbd8448522a4ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0baea0d185a740e4f9674f40dbad3f54fc83c47bae0731e05cbd8448522a4ef1", kill_on_drop: false }`
[INFO] [stdout] 0baea0d185a740e4f9674f40dbad3f54fc83c47bae0731e05cbd8448522a4ef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 955e8e4ff642b8fe8e403740395738395fd40a06a30bf297dd21062255360639
[INFO] running `Command { std: "docker" "start" "-a" "955e8e4ff642b8fe8e403740395738395fd40a06a30bf297dd21062255360639", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling sudokugen v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.36s
[INFO] running `Command { std: "docker" "inspect" "955e8e4ff642b8fe8e403740395738395fd40a06a30bf297dd21062255360639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955e8e4ff642b8fe8e403740395738395fd40a06a30bf297dd21062255360639", kill_on_drop: false }`
[INFO] [stdout] 955e8e4ff642b8fe8e403740395738395fd40a06a30bf297dd21062255360639
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5cee0ab60590744ee57df513abe000644c3f1cc8eae02bca8084181eaa676982
[INFO] running `Command { std: "docker" "start" "-a" "5cee0ab60590744ee57df513abe000644c3f1cc8eae02bca8084181eaa676982", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudokugen-77ad5130d9b61f96)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test board::test::from ... ok
[INFO] [stdout] test board::test::basics ... ok
[INFO] [stdout] test board::test::iter_cells ... ok
[INFO] [stdout] test board::test::iter_square ... ok
[INFO] [stdout] test board::test::square ... ok
[INFO] [stdout] test board::test::possible_values ... ok
[INFO] [stdout] test board::test::possible_values_is_zero ... ok
[INFO] [stdout] test solver::candidate_cache::tests::possible_values_after_parse ... ok
[INFO] [stdout] test board::test::set_value ... ok
[INFO] [stdout] test solver::indexed_map::test::entry_default ... ok
[INFO] [stdout] test solver::candidate_cache::tests::set_value_updates_possible_values ... ok
[INFO] [stdout] test solver::candidate_cache::tests::possible_locs_after_parse ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_undo ... ok
[INFO] [stdout] test solver::candidate_cache::tests::set_value_updates_possible_loc ... ok
[INFO] [stdout] test solver::indexed_map::test::get ... ok
[INFO] [stdout] test solver::indexed_map::test::entry_is_mut ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_set_value_removes_cell_as_candidate_for_other_values ... ok
[INFO] [stdout] test solver::candidate_cache::tests::test_iter_candidates ... ok
[INFO] [stdout] test solver::indexed_map::test::get_mut ... ok
[INFO] [stdout] test solver::indexed_map::test::insert ... ok
[INFO] [stdout] test solver::indexed_map::test::is_empty ... ok
[INFO] [stdout] test solver::indexed_map::test::keys ... ok
[INFO] [stdout] test solver::indexed_map::test::remove ... ok
[INFO] [stdout] test solver::indexed_map::test::iter ... ok
[INFO] [stdout] test solver::tests::register_move_results_in_error ... ok
[INFO] [stdout] test solver::tests::hidden_singles_after_backtrack ... ok
[INFO] [stdout] test solver::tests::naked_singles ... ok
[INFO] [stdout] test solver::tests::hidden_singles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-9a8c7d1bd8fbe6ff)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test solve_sudoku_simple ... ok
[INFO] [stdout] test solve_sudoku_with_backtrack ... ok
[INFO] [stdout] test test_solved ... ok
[INFO] [stdout] test generate_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.49s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudokugen
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test src/lib.rs - (line 73) ... ignored
[INFO] [stdout] test src/board.rs - board::CellLoc::iter_col (line 295) ... FAILED
[INFO] [stdout] test src/board.rs - board::CellLoc::iter_square (line 320) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::iter_cells (line 470) ... FAILED
[INFO] [stdout] test src/board.rs - board::CellLoc::iter_line (line 270) ... FAILED
[INFO] [stdout] test src/board.rs - board::CellLoc::get_possible_values (line 186) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::get (line 436) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::rotated (line 525) ... FAILED
[INFO] [stdout] test src/solver.rs - solver::Board::solve (line 115) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::set (line 385) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::set_at (line 402) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::cell_at (line 502) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::unset (line 418) ... FAILED
[INFO] [stdout] test src/solver/generator.rs - solver::generator::Puzzle::board (line 134) ... FAILED
[INFO] [stdout] test src/solver.rs - solver::Board::solve (line 146) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::board_size (line 370) ... FAILED
[INFO] [stdout] test src/board.rs - board::CellLoc::new (line 157) ... FAILED
[INFO] [stdout] test src/solver/generator.rs - solver::generator::Board::generate (line 39) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::get_at (line 456) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::from_str (line 644) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 63) ... FAILED
[INFO] [stdout] test src/board.rs - board::CellLoc::get_index (line 171) ... FAILED
[INFO] [stdout] test src/board.rs - board::CellLoc::at (line 137) ... FAILED
[INFO] [stdout] test src/solver/generator.rs - solver::generator::Puzzle::generate (line 61) ... FAILED
[INFO] [stdout] test src/solver.rs - solver (line 5) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::from_str (line 626) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 14) ... FAILED
[INFO] [stdout] test src/board.rs - board::CellLoc::line (line 227) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 32) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board (line 86) ... FAILED
[INFO] [stdout] test src/board.rs - board::Board::new (line 355) ... FAILED
[INFO] [stdout] test src/solver/generator.rs - solver::generator::Puzzle::solution (line 146) ... FAILED
[INFO] [stdout] test src/board.rs - board::CellLoc::square (line 254) ... FAILED
[INFO] [stdout] test src/board.rs - board::CellLoc::col (line 240) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name sudokugen --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-395b0b4f4e08064d.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-c6ef3d6f98357a85.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-833563c7d184b136.rlib --extern sudokugen=/opt/rustwide/target/debug/deps/libsudokugen-4d997b8659c609f5.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5cee0ab60590744ee57df513abe000644c3f1cc8eae02bca8084181eaa676982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cee0ab60590744ee57df513abe000644c3f1cc8eae02bca8084181eaa676982", kill_on_drop: false }`
[INFO] [stdout] 5cee0ab60590744ee57df513abe000644c3f1cc8eae02bca8084181eaa676982