[INFO] fetching crate numberplace-core 0.1.1-1...
[INFO] testing numberplace-core-0.1.1-1 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate numberplace-core 0.1.1-1 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate numberplace-core 0.1.1-1 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ffd33f5ea9b56165f10d3f0f87493a4c29b1ed5d758e5862510daf6d10e4ec1
[INFO] running `Command { std: "docker" "start" "-a" "7ffd33f5ea9b56165f10d3f0f87493a4c29b1ed5d758e5862510daf6d10e4ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ffd33f5ea9b56165f10d3f0f87493a4c29b1ed5d758e5862510daf6d10e4ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ffd33f5ea9b56165f10d3f0f87493a4c29b1ed5d758e5862510daf6d10e4ec1", kill_on_drop: false }`
[INFO] [stdout] 7ffd33f5ea9b56165f10d3f0f87493a4c29b1ed5d758e5862510daf6d10e4ec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c20042e354ab47ecb26fdcedfef6945a068bdf91a98e8989c166ddeb0bf6e6f
[INFO] running `Command { std: "docker" "start" "-a" "9c20042e354ab47ecb26fdcedfef6945a068bdf91a98e8989c166ddeb0bf6e6f", 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: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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 7.19s
[INFO] running `Command { std: "docker" "inspect" "9c20042e354ab47ecb26fdcedfef6945a068bdf91a98e8989c166ddeb0bf6e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c20042e354ab47ecb26fdcedfef6945a068bdf91a98e8989c166ddeb0bf6e6f", kill_on_drop: false }`
[INFO] [stdout] 9c20042e354ab47ecb26fdcedfef6945a068bdf91a98e8989c166ddeb0bf6e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaa630de96f7fd361e0b56b3bc865671099fc0f9cd0a9e35f28c9741fc3cf0e2
[INFO] running `Command { std: "docker" "start" "-a" "aaa630de96f7fd361e0b56b3bc865671099fc0f9cd0a9e35f28c9741fc3cf0e2", kill_on_drop: false }`
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn answer_candidate(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling numberplace-core v0.1.1-1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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 8.83s
[INFO] running `Command { std: "docker" "inspect" "aaa630de96f7fd361e0b56b3bc865671099fc0f9cd0a9e35f28c9741fc3cf0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa630de96f7fd361e0b56b3bc865671099fc0f9cd0a9e35f28c9741fc3cf0e2", kill_on_drop: false }`
[INFO] [stdout] aaa630de96f7fd361e0b56b3bc865671099fc0f9cd0a9e35f28c9741fc3cf0e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0665ec282461624bd2fec4526b0f37e72c4cb386ddffb988a57310c39b01dabe
[INFO] running `Command { std: "docker" "start" "-a" "0665ec282461624bd2fec4526b0f37e72c4cb386ddffb988a57310c39b01dabe", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_`
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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
[INFO] [stderr] warning: `numberplace-core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/numberplace_core-667c418443d309d8)
[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::last_cell_position_is_5_5 ... 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::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_3::returns_81_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::call_create_cells::given_3_2::returns_36_cells ... 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::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::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_return_the_removed_answer ... 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::remove_answer::it_will_become_none_after_deletion ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::set_answer::clear_candidate ... ok
[INFO] [stdout] test normal_game::cell::tests::test_cell_utilities::test_remove_all_candidate ... ok
[INFO] [stdout] test normal_game::cell::tests::test_position::test_move_left ... 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::has_answer_candidate_returns_true_when_candidate_exists ... 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_cell_utilities::test_answer::return_answer_if_answered ... ok
[INFO] [stdout] test normal_game::cell::tests::test_position::test_move_y ... 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_cell_utilities::restore_answer_candidate::it_restore_answer_candidate ... ok
[INFO] [stdout] test normal_game::cell::tests::test_position::test_assert_eq ... ok
[INFO] [stdout] test normal_game::group::tests::is_duplicate_answer::not_duplicated ... ok
[INFO] [stdout] test normal_game::group::tests::restore_answer_candidate::it_added_to_answer_candidate ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_block_groups::block_group_cell_count ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_block_groups::first_block_group_cells ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_horizontal_groups ... ok
[INFO] [stdout] test normal_game::cell::tests::test_position::test_move_right ... 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_groups::it_find_the_groups_that_contains_the_specified_positions_cell ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_vertical_groups ... 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::group::tests::test_create_block_groups::test_create_block_start_positions ... ok
[INFO] [stdout] test normal_game::shuffle::tests::how_to_reverse ... ok
[INFO] [stdout] test normal_game::remove_answer::tests::remove_answer::test ... ok
[INFO] [stdout] test normal_game::remove_answer::tests::remove_answer::test2 ... 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::shuffle::tests::test_shuffle_row_blocks ... ok
[INFO] [stdout] test normal_game::shuffle::tests::test_shuffle_col_blocks ... ok
[INFO] [stdout] test normal_game::shuffle::tests::test_shuffle ... ok
[INFO] [stdout] test normal_game::solve::test::it_can_specify_arbitrary_answer_candidate::test_1234 ... ok
[INFO] [stdout] test normal_game::shuffle::tests::test_shuffle_cols ... ok
[INFO] [stdout] test normal_game::group::tests::test_create_block_groups::last_block_group_cells ... ok
[INFO] [stdout] test normal_game::solve::test::solve::setting_1_2::test ... ok
[INFO] [stdout] test normal_game::solve::test::solve::setting_3_3::advanced0_7_9x9 ... 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_3_4::advanced0_33_12x12 ... 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::solve::test::solve::setting_4_4::advanced0_33_16x16 ... ok
[INFO] [stdout] test normal_game::tests::_2_3::it_has_36_cells ... ok
[INFO] [stdout] test normal_game::tests::_3_3::it_answer_candidate_is_1_to_9 ... ok
[INFO] [stdout] test normal_game::tests::_3_3::it_has_27_groups ... ok
[INFO] [stdout] test normal_game::tests::_3_3::it_has_81_cells ... ok
[INFO] [stdout] test normal_game::tests::set_answer::remove_unanswerd_candidate_from_groups ... ok
[INFO] [stdout] test normal_game::tests::set_answer::test ... 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::none_0_0 ... 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_2_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::test_load_12x12 ... ok
[INFO] [stdout] test normal_game::tests::test_load::test_load_9_9_2 ... 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 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::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' 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:     0x57e579d9b012 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57e579d9b012 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57e579d9b012 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x57e579d9b012 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x57e579dc08a3 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x57e579dc08a3 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x57e579d97fa3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57e579d97fa3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x57e579d9ae62 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x57e579d9c58c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x57e579d9c3e2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x57e579d60d44 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x57e579d60d44 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x57e579d9d06b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x57e579d9d06b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x57e579d9cd3a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x57e579d9b509 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x57e579d9c9cd - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x57e579dbf3f0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x57e579dbf687 - core::panicking::assert_failed_inner::h6a89cd271393c011
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x57e579d13667 - core::panicking::assert_failed::h3e6a76c8343f843b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x57e579d19ba8 - numberplace_core::normal_game::solve::test::it_can_specify_arbitrary_answer_candidate::test_4321::h4631cbfd89c4c893
[INFO] [stdout]                                at /opt/rustwide/workdir/src/normal_game/solve.rs:312:13
[INFO] [stdout]   22:     0x57e579d154a9 - numberplace_core::normal_game::solve::test::it_can_specify_arbitrary_answer_candidate::test_4321::{{closure}}::h9cbdb6db1fe188f6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/normal_game/solve.rs:303:23
[INFO] [stdout]   23:     0x57e579d154a9 - core::ops::function::FnOnce::call_once::h1a0007e91a5c4ae6
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x57e579d6647b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x57e579d6647b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x57e579d656be - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x57e579d656be - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x57e579d656be - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x57e579d656be - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x57e579d656be - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x57e579d656be - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x57e579d656be - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x57e579d29264 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x57e579d29264 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x57e579d2cc0a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x57e579d2cc0a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x57e579d2cc0a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x57e579d2cc0a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x57e579d2cc0a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x57e579d2cc0a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x57e579d2cc0a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x57e579d9ffc7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x57e579d9ffc7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x57e579d9ffc7 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7f24f206aaa4 - <unknown>
[INFO] [stdout]   46:     0x7f24f20f7a34 - clone
[INFO] [stdout]   47:                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 1.29s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "0665ec282461624bd2fec4526b0f37e72c4cb386ddffb988a57310c39b01dabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0665ec282461624bd2fec4526b0f37e72c4cb386ddffb988a57310c39b01dabe", kill_on_drop: false }`
[INFO] [stdout] 0665ec282461624bd2fec4526b0f37e72c4cb386ddffb988a57310c39b01dabe
