[INFO] fetching crate numberplace-core 0.1.1-1...
[INFO] testing numberplace-core-0.1.1-1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate numberplace-core 0.1.1-1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate numberplace-core 0.1.1-1
[INFO] finished tweaking crates.io crate numberplace-core 0.1.1-1
[INFO] tweaked toml for crates.io crate numberplace-core 0.1.1-1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate numberplace-core 0.1.1-1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding slice-group-by v0.2.6 (available: v0.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20289edbf516e94c4fc77e16b3e86f0096e1783089cead1f5b48eb8a774e6f55
[INFO] running `Command { std: "docker" "start" "-a" "20289edbf516e94c4fc77e16b3e86f0096e1783089cead1f5b48eb8a774e6f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20289edbf516e94c4fc77e16b3e86f0096e1783089cead1f5b48eb8a774e6f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20289edbf516e94c4fc77e16b3e86f0096e1783089cead1f5b48eb8a774e6f55", kill_on_drop: false }`
[INFO] [stdout] 20289edbf516e94c4fc77e16b3e86f0096e1783089cead1f5b48eb8a774e6f55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5307479224fdc6577d1d44513b80a0576f367e66e30b32042f93ca1d41e391a0
[INFO] running `Command { std: "docker" "start" "-a" "5307479224fdc6577d1d44513b80a0576f367e66e30b32042f93ca1d41e391a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-group-by v0.2.6
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling numberplace-core v0.1.1-1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/normal_game/cell.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn answer_candidate(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn answer_candidate(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "5307479224fdc6577d1d44513b80a0576f367e66e30b32042f93ca1d41e391a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5307479224fdc6577d1d44513b80a0576f367e66e30b32042f93ca1d41e391a0", kill_on_drop: false }`
[INFO] [stdout] 5307479224fdc6577d1d44513b80a0576f367e66e30b32042f93ca1d41e391a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de673e4dedc9c8513912102947dd3117a34b941d5c81ede0f91143477273dcb1
[INFO] running `Command { std: "docker" "start" "-a" "de673e4dedc9c8513912102947dd3117a34b941d5c81ede0f91143477273dcb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling numberplace-core v0.1.1-1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/normal_game/cell.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn answer_candidate(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn answer_candidate(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/normal_game/cell.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn answer_candidate(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn answer_candidate(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "de673e4dedc9c8513912102947dd3117a34b941d5c81ede0f91143477273dcb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de673e4dedc9c8513912102947dd3117a34b941d5c81ede0f91143477273dcb1", kill_on_drop: false }`
[INFO] [stdout] de673e4dedc9c8513912102947dd3117a34b941d5c81ede0f91143477273dcb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f94660a370048822fe015638e9163489bdefdf54ec44e196ec7ab570b50cbea
[INFO] running `Command { std: "docker" "start" "-a" "2f94660a370048822fe015638e9163489bdefdf54ec44e196ec7ab570b50cbea", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/normal_game/cell.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn answer_candidate(&self) -> std::slice::Iter<u8> {
[INFO] [stderr]    |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn answer_candidate(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stderr]    |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `numberplace-core` (lib) generated 1 warning (run `cargo fix --lib -p numberplace-core` to apply 1 suggestion)
[INFO] [stderr] warning: `numberplace-core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/numberplace_core-abaab94534e26b8d)
[INFO] [stdout] 
[INFO] [stdout] running 84 tests
[INFO] [stdout] test generator::tests::generate::generate ... ignored
[INFO] [stdout] test generator::tests::generate::generate_6x6 ... ignored
[INFO] [stdout] test generator::tests::to_issue_16x16::test ... ignored
[INFO] [stdout] test generator::tests::to_issue_9x9::test ... ignored
[INFO] [stdout] test normal_game::cell::tests::call_create_cells::given_3_2::first_cell_position_is_0_0 ... ok
[INFO] [stdout] test normal_game::cell::tests::call_create_cells::given_3_2::returns_36_cells ... ok
[INFO] [stdout] test normal_game::cell::tests::call_create_cells::given_3_3::last_cell_position_is_8_8 ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::answer_candidate_count::returns_true_when_cell_doesnt_have_answer_candidate ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::cell_can_remove_answer_candidate ... ok
[INFO] [stdout] test normal_game::cell::tests::call_create_cells::given_3_2::second_cell_position_is_1_0 ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::get_lonely::test_get_lonely ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::has_answer_candidate_returns_true_when_candidate_exists ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::has_answer_candidate_returns_true_when_candidate_not_exists ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::answer_candidate_count::returns_6_when_cell_has_6_answer_candidate ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::remove_answer::it_return_none_when_no_answer ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::remove_answer::it_will_become_none_after_deletion ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::remove_answer::it_return_the_removed_answer ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::restore_answer_candidate::it_restore_answer_candidate ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::set_answer::clear_candidate ... ok
[INFO] [stdout] test normal_game::cell::tests::test_gamesetting::answer_candidate_is_generated_each_time ... ok
[INFO] [stdout] test normal_game::cell::tests::test_position::test_move_left ... ok
[INFO] [stdout] test normal_game::cell::tests::test_position::test_move_right ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::test_answer::return_answer_if_answered ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::test_remove_all_candidate ... ok
[INFO] [stdout] test normal_game::group::tests::get_lonely_returns_lonely ... ok
[INFO] [stdout] test normal_game::group::tests::is_duplicate_answer::duplicated ... ok
[INFO] [stdout] test normal_game::cell::tests::test_position::test_move_y ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_block_groups::first_block_group_cells ... ok
[INFO] [stdout] test normal_game::group::tests::is_duplicate_answer::not_duplicated ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_horizontal_groups ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_block_groups::last_block_group_cells ... ok
[INFO] [stdout] test normal_game::group::tests::restore_answer_candidate::it_added_to_answer_candidate ... ok
[INFO] [stdout] test normal_game::cell::tests::call_create_cells::given_3_2::last_cell_position_is_5_5 ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_vertical_groups ... ok
[INFO] [stdout] test normal_game::cell::tests::test_position::test_assert_eq ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_block_groups::block_group_cell_count ... ok
[INFO] [stdout] test normal_game::remove_answer::tests::find_groups::it_find_the_groups_that_contains_the_specified_positions_cell ... ok
[INFO] [stdout] test normal_game::remove_answer::tests::remove_answer::test2 ... ok
[INFO] [stdout] test normal_game::remove_answer::tests::remove_answer::test ... ok
[INFO] [stdout] test normal_game::shuffle::tests::test_shuffle_cols ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_block_groups::block_group_count ... ok
[INFO] [stdout] test normal_game::remove_answer::tests::find_answer_candidate_that_all_groups_hold::it_find_answer_candidate_that_all_groups_hold ... ok
[INFO] [stdout] test normal_game::shuffle::tests::test_shuffle_row_blocks ... ok
[INFO] [stdout] test normal_game::shuffle::tests::test_shuffle_rows ... ok
[INFO] [stdout] test normal_game::solve::test::fill_lonely::fill ... ok
[INFO] [stdout] test normal_game::cell::tests::call_create_cells::given_3_3::returns_81_cells ... ok
[INFO] [stdout] test normal_game::shuffle::tests::test_shuffle_col_blocks ... ok
[INFO] [stdout] test normal_game::shuffle::tests::how_to_reverse ... ok
[INFO] [stdout] test normal_game::solve::test::solve::setting_1_2::test ... ok
[INFO] [stdout] test normal_game::solve::test::it_can_specify_arbitrary_answer_candidate::test_1234 ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_block_groups::test_create_block_start_positions ... ok
[INFO] [stdout] test normal_game::tests::_2_3::it_answer_candidate_is_1_to_6 ... ok
[INFO] [stdout] test normal_game::tests::_2_3::it_has_18_groups ... ok
[INFO] [stdout] test normal_game::tests::_2_3::it_has_36_cells ... ok
[INFO] [stdout] test normal_game::tests::set_answer::remove_unanswerd_candidate_from_groups ... ok
[INFO] [stdout] test normal_game::tests::_3_3::it_has_81_cells ... ok
[INFO] [stdout] test normal_game::tests::set_answer::test ... ok
[INFO] [stdout] test normal_game::tests::test_load::load_9_9::none_0_0 ... ok
[INFO] [stdout] test normal_game::tests::test_load::load_9_9::has_81_cells ... ok
[INFO] [stdout] test normal_game::tests::test_load::load_9_9::some_1_0 ... ok
[INFO] [stdout] test normal_game::tests::test_load::load_9_9::some_7_0 ... ok
[INFO] [stdout] test normal_game::tests::test_load::load_9_9::some_2_0 ... ok
[INFO] [stdout] test normal_game::tests::test_load::test_load_9_9_2 ... ok
[INFO] [stdout] test normal_game::tests::_3_3::it_answer_candidate_is_1_to_9 ... ok
[INFO] [stdout] test pattern::tests::create_patterns::create_2x3 ... ignored
[INFO] [stdout] test normal_game::tests::test_load::test_to_string ... ok
[INFO] [stdout] test normal_game::tests::_3_3::it_has_27_groups ... ok
[INFO] [stdout] test pattern::tests::it_returns_none_string_by_unexpected_blocksize ... ok
[INFO] [stdout] test tests::generate_numberplace::test ... ignored
[INFO] [stdout] test tests::solve::test ... ignored
[INFO] [stdout] test pattern::tests::it_returns_pattern_string_by_blocksize ... ok
[INFO] [stdout] test normal_game::shuffle::tests::test_shuffle ... ok
[INFO] [stdout] test normal_game::tests::test_load::test_load_12x12 ... ok
[INFO] [stdout] test normal_game::cell::tests::test_position::test_move_left_negative - should panic ... ok
[INFO] [stdout] test normal_game::solve::test::it_can_specify_arbitrary_answer_candidate::test_4321 ... FAILED
[INFO] [stdout] test normal_game::solve::test::solve::setting_4_4::advanced0_33_16x16 ... ok
[INFO] [stdout] test normal_game::solve::test::solve::setting_3_4::advanced0_33_12x12 ... ok
[INFO] [stdout] test normal_game::solve::test::solve::setting_3_3::advanced0_7_9x9 ... ok
[INFO] [stdout] test normal_game::solve::test::solve::setting_3_3::intermediate1_16_9x9 ... ok
[INFO] [stdout] test normal_game::solve::test::solve::setting_3_3::advanced0_6_9x9 ... ok
[INFO] [stdout] test normal_game::solve::test::solve::setting_3_3::advanced0_8_9x9 ... ok
[INFO] [stdout] test normal_game::solve::test::solve::setting_3_3::intermediate1_96_9x9 ... ok
[INFO] [stdout] test normal_game::solve::test::solve::setting_3_3::intermediate1_98_9x9 ... ok
[INFO] [stdout] test normal_game::solve::test::solve::setting_3_3::advanced0_5_9x9 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- normal_game::solve::test::it_can_specify_arbitrary_answer_candidate::test_4321 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'normal_game::solve::test::it_can_specify_arbitrary_answer_candidate::test_4321' (73) panicked at src/normal_game/solve.rs:312:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: "4321|2143|3412|1234"
[INFO] [stdout]  right: "4321|2143|1432|3214"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c7fd59ff512 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c7fd59ff512 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c7fd59ff512 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c7fd59ff512 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c7fd5a1000f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5c7fd5a1000f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5c7fd59cc971 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c7fd59cc971 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5c7fd59d89d2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5c7fd59dd57f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5c7fd59dd411 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5c7fd5964d6e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5c7fd5964d6e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c7fd59ddc3f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5c7fd59ddc3f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5c7fd59dda9a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5c7fd59d8b09 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5c7fd59c0e4d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5c7fd5a17bb0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5c7fd5a179b3 - core::panicking::assert_failed_inner::h448e1d534f4c3d4b
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5c7fd59230fe - core::panicking::assert_failed::hd7f196e5ea587d53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5c7fd592c01d - numberplace_core::normal_game::solve::test::it_can_specify_arbitrary_answer_candidate::test_4321::h288fa5adc8b66bcd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/normal_game/solve.rs:312:13
[INFO] [stdout]   22:     0x5c7fd592c0c7 - numberplace_core::normal_game::solve::test::it_can_specify_arbitrary_answer_candidate::test_4321::{{closure}}::hfc6ca79c86bb0b27
[INFO] [stdout]                                at /opt/rustwide/workdir/src/normal_game/solve.rs:303:23
[INFO] [stdout]   23:     0x5c7fd592eba6 - core::ops::function::FnOnce::call_once::hac8daa096935e460
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c7fd5964b2b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c7fd5964b2b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5c7fd597a795 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5c7fd597a795 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5c7fd597a795 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5c7fd597a795 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5c7fd597a795 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c7fd597a795 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5c7fd597a795 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5c7fd5950f84 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5c7fd5950f84 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5c7fd595484a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5c7fd595484a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5c7fd595484a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5c7fd595484a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5c7fd595484a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c7fd595484a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5c7fd595484a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c7fd59d3c6f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x5c7fd59d3c6f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x7f259ada3aa4 - <unknown>
[INFO] [stdout]   45:     0x7f259ae30a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     normal_game::solve::test::it_can_specify_arbitrary_answer_candidate::test_4321
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 76 passed; 1 failed; 7 ignored; 0 measured; 0 filtered out; finished in 14.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "2f94660a370048822fe015638e9163489bdefdf54ec44e196ec7ab570b50cbea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f94660a370048822fe015638e9163489bdefdf54ec44e196ec7ab570b50cbea", kill_on_drop: false }`
[INFO] [stdout] 2f94660a370048822fe015638e9163489bdefdf54ec44e196ec7ab570b50cbea
