[INFO] fetching crate greedytile 0.1.9...
[INFO] testing greedytile-0.1.9 against 1.94.0 for beta-1.95-1
[INFO] extracting crate greedytile 0.1.9 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate greedytile 0.1.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate greedytile 0.1.9
[INFO] tweaked toml for crates.io crate greedytile 0.1.9 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate greedytile 0.1.9 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate greedytile 0.1.9 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b7706f561ca274ff2f7aecc8e950284b64e63212e5c8b08c7a66d39c4ac511c
[INFO] running `Command { std: "docker" "start" "-a" "6b7706f561ca274ff2f7aecc8e950284b64e63212e5c8b08c7a66d39c4ac511c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b7706f561ca274ff2f7aecc8e950284b64e63212e5c8b08c7a66d39c4ac511c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7706f561ca274ff2f7aecc8e950284b64e63212e5c8b08c7a66d39c4ac511c", kill_on_drop: false }`
[INFO] [stdout] 6b7706f561ca274ff2f7aecc8e950284b64e63212e5c8b08c7a66d39c4ac511c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b1807b9984951f3d97eb6ce1950ed3f9c16a81d23727b745998054ba3556b08
[INFO] running `Command { std: "docker" "start" "-a" "9b1807b9984951f3d97eb6ce1950ed3f9c16a81d23727b745998054ba3556b08", kill_on_drop: false }`
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[INFO] [stderr]    Compiling greedytile v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "9b1807b9984951f3d97eb6ce1950ed3f9c16a81d23727b745998054ba3556b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1807b9984951f3d97eb6ce1950ed3f9c16a81d23727b745998054ba3556b08", kill_on_drop: false }`
[INFO] [stdout] 9b1807b9984951f3d97eb6ce1950ed3f9c16a81d23727b745998054ba3556b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bae7a806759ce4523986d912258af7d7e99fa566befd9cf24a0191652815f409
[INFO] running `Command { std: "docker" "start" "-a" "bae7a806759ce4523986d912258af7d7e99fa566befd9cf24a0191652815f409", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.6.0
[INFO] [stderr]    Compiling greedytile v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 39.14s
[INFO] running `Command { std: "docker" "inspect" "bae7a806759ce4523986d912258af7d7e99fa566befd9cf24a0191652815f409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae7a806759ce4523986d912258af7d7e99fa566befd9cf24a0191652815f409", kill_on_drop: false }`
[INFO] [stdout] bae7a806759ce4523986d912258af7d7e99fa566befd9cf24a0191652815f409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97e1784707d664906e2f6e4f68b0484bd533628171fbc18bd307d6bb19464607
[INFO] running `Command { std: "docker" "start" "-a" "97e1784707d664906e2f6e4f68b0484bd533628171fbc18bd307d6bb19464607", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/greedytile-aadfd74553059d38)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test io::error::tests::test_error_context ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/greedytile-98e5f52ee5897900)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/algorithm.rs (/opt/rustwide/target/debug/deps/algorithm-c7acb116c3f2b818)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_bitset_empty_intersection ... ok
[INFO] [stdout] test test_bitset_operations ... ok
[INFO] [stdout] test test_cache_behavior ... ok
[INFO] [stdout] test test_pattern_key_equality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-b2606567158aa78e)
[INFO] [stdout] 
[INFO] [stdout] running 115 tests
[INFO] [stdout] test meta::coverage::tests::test_all_src_files_have_unit_tests ... ok
[INFO] [stdout] test meta::coverage::tests::test_all_test_files_contain_tests ... ok
[INFO] [stdout] test unit::algorithm::bitset::tests::test_from_hashset ... ok
[INFO] [stdout] test unit::algorithm::bitset::tests::test_insert_and_contains ... ok
[INFO] [stdout] test unit::algorithm::bitset::tests::test_intersection ... ok
[INFO] [stdout] test unit::algorithm::bitset::tests::test_new_bitset ... ok
[INFO] [stdout] test meta::coverage::tests::test_all_unit_tests_have_src_counterparts ... ok
[INFO] [stdout] test unit::algorithm::bitset::tests::test_all_bits_set ... ok
[INFO] [stdout] test unit::algorithm::cache::tests::test_cache_miss_and_hit ... ok
[INFO] [stdout] test unit::algorithm::cache::tests::test_cache_new ... ok
[INFO] [stdout] test unit::algorithm::cache::tests::test_different_patterns_different_results ... ok
[INFO] [stdout] test unit::algorithm::cache::tests::test_pattern_key_creation ... ok
[INFO] [stdout] test unit::algorithm::deadlock::tests::test_deadlock_resolution_unlocks_tiles_and_reverts_state ... ok
[INFO] [stdout] test unit::algorithm::feasibility::tests::test_feasibility_count_layer_extend_preserves_data ... ok
[INFO] [stdout] test unit::algorithm::feasibility::tests::test_feasibility_count_layer_new ... ok
[INFO] [stdout] test unit::algorithm::feasibility::tests::test_get_fraction_out_of_bounds ... ok
[INFO] [stdout] test unit::algorithm::feasibility::tests::test_update_count_with_matching_tiles ... ok
[INFO] [stdout] test unit::algorithm::feasibility::tests::test_update_count_with_partial_matches ... ok
[INFO] [stdout] test unit::algorithm::propagation::tests::test_forced_pipeline_deduplication ... ok
[INFO] [stdout] test unit::algorithm::propagation::tests::test_update_probabilities_and_entropy_basic ... ok
[INFO] [stdout] test unit::algorithm::propagation::tests::test_update_probabilities_and_entropy_complex ... ok
[INFO] [stdout] test unit::algorithm::propagation::tests::test_update_probabilities_and_entropy_edge_case_zero_mean ... ok
[INFO] [stdout] test unit::algorithm::selection::tests::test_compute_viable_tiles_at_position_basic ... ok
[INFO] [stdout] test unit::algorithm::selection::tests::test_compute_viable_tiles_constrained_position ... ok
[INFO] [stdout] test unit::algorithm::selection::tests::test_compute_viable_tiles_with_only_wildcards ... ok
[INFO] [stdout] test unit::algorithm::feasibility::tests::test_extend_to_same_dimensions ... ok
[INFO] [stdout] test unit::analysis::patterns::tests::test_color_mapping_and_ratios ... ok
[INFO] [stdout] test unit::algorithm::selection::tests::test_optimal_density_correction_balances_underrepresented_tiles ... ok
[INFO] [stdout] test unit::analysis::patterns::tests::test_ratio_calculation_edge_cases ... ok
[INFO] [stdout] test unit::analysis::statistics::tests::test_pdf_negative_values_strict ... ok
[INFO] [stdout] test unit::analysis::statistics::tests::test_smooth_kernel_distribution_pdf_with_reflection ... ok
[INFO] [stdout] test unit::analysis::weights::tests::test_top_k_indices_edge_cases ... ok
[INFO] [stdout] test unit::analysis::statistics::tests::test_pdf_without_negative_check_would_fail ... ok
[INFO] [stdout] test unit::analysis::weights::tests::test_top_k_indices_exact_count ... ok
[INFO] [stdout] test unit::analysis::weights::tests::test_top_k_indices_no_duplicates ... ok
[INFO] [stdout] test unit::analysis::weights::tests::test_top_k_indices_respects_validity ... ok
[INFO] [stdout] test unit::analysis::weights::tests::test_top_k_indices_selects_highest_values ... ok
[INFO] [stdout] test unit::io::analysis::test_analysis_capture_new ... ok
[INFO] [stdout] test unit::io::analysis::test_analysis_capture_radius_initialization ... ok
[INFO] [stdout] test unit::io::analysis::test_analysis_capture_empty_color_mapping ... ok
[INFO] [stdout] test unit::io::cli::tests::test_cli_feature_flag_combinations ... ok
[INFO] [stdout] test unit::io::cli::tests::test_cli_dimension_arguments ... ok
[INFO] [stdout] test unit::io::cli::tests::test_cli_parse_minimal_args ... ok
[INFO] [stdout] test unit::io::cli::tests::test_cli_parse_all_args ... ok
[INFO] [stdout] test unit::io::cli::tests::test_cli_short_flags ... ok
[INFO] [stdout] test unit::io::cli::tests::test_file_processor_new ... ok
[INFO] [stdout] test unit::io::cli::tests::test_process_empty_directory ... ok
[INFO] [stdout] test unit::io::cli::tests::test_process_invalid_file_type ... ok
[INFO] [stdout] test unit::io::cli::tests::test_output_path_generation ... ok
[INFO] [stdout] test unit::io::cli::tests::test_process_nonexistent_file ... ok
[INFO] [stdout] test unit::io::cli::tests::test_quiet_mode ... ok
[INFO] [stdout] test unit::io::cli::tests::test_skip_existing_file ... ok
[INFO] [stdout] test unit::io::cli::tests::test_skip_existing_logic ... ok
[INFO] [stdout] test unit::io::configuration::tests::test_candidates_considered_values ... ok
[INFO] [stdout] test unit::io::configuration::tests::test_constants_relationship ... ok
[INFO] [stdout] test unit::io::configuration::tests::test_default_iterations_is_reasonable ... ok
[INFO] [stdout] test unit::io::configuration::tests::test_default_seed_is_reproducible ... ok
[INFO] [stdout] test unit::io::configuration::tests::test_gif_frame_delay ... ok
[INFO] [stdout] test unit::io::configuration::tests::test_max_grid_dimension ... ok
[INFO] [stdout] test unit::io::configuration::tests::test_max_progress_bars_value ... ok
[INFO] [stdout] test unit::io::configuration::tests::test_output_suffix_format ... ok
[INFO] [stdout] test unit::io::configuration::tests::test_output_suffix_no_special_chars ... ok
[INFO] [stdout] test unit::io::configuration::tests::test_progress_bar_width ... ok
[INFO] [stdout] test unit::io::configuration::tests::test_tile_size_value ... ok
[INFO] [stdout] test unit::io::error::tests::test_computation_error ... ok
[INFO] [stdout] test unit::io::error::tests::test_error_context_with_position ... ok
[INFO] [stdout] test unit::io::error::tests::test_error_helper_functions ... ok
[INFO] [stdout] test unit::io::error::tests::test_error_source_chain ... ok
[INFO] [stdout] test unit::io::error::tests::test_image_export_error ... ok
[INFO] [stdout] test unit::io::error::tests::test_invalid_parameter_error ... ok
[INFO] [stdout] test unit::io::error::tests::test_no_valid_positions_error ... ok
[INFO] [stdout] test unit::io::cli::tests::test_should_show_progress ... ok
[INFO] [stdout] test unit::io::image::tests::test_export_grid_as_png_empty_grid_error ... ok
[INFO] [stdout] test unit::io::image::tests::test_export_grid_as_png_invalid_tile_index ... ok
[INFO] [stdout] test unit::io::prefill::tests::test_prefill_data_is_protected ... ok
[INFO] [stdout] test unit::io::prefill::tests::test_prefill_data_queue_operations ... ok
[INFO] [stdout] test unit::io::prefill::tests::test_prefill_placement_creation ... ok
[INFO] [stdout] test unit::io::progress::tests::test_empty_file_list ... ok
[INFO] [stdout] test unit::io::progress::tests::test_file_processing_lifecycle ... ok
[INFO] [stdout] test unit::io::progress::tests::test_initialize_multiple_files_over_limit ... ok
[INFO] [stdout] test unit::io::progress::tests::test_initialize_multiple_files_under_limit ... ok
[INFO] [stdout] test unit::io::progress::tests::test_initialize_single_file ... ok
[INFO] [stdout] test unit::io::progress::tests::test_out_of_bounds_file_index ... ok
[INFO] [stdout] test unit::io::progress::tests::test_progress_manager_default ... ok
[INFO] [stdout] test unit::io::progress::tests::test_progress_manager_new ... ok
[INFO] [stdout] test unit::io::visualization::tests::test_export_gif_no_placements ... ok
[INFO] [stdout] test unit::io::visualization::tests::test_final_bounds_calculation ... ok
[INFO] [stdout] test unit::io::visualization::tests::test_negative_coordinates ... ok
[INFO] [stdout] test unit::io::visualization::tests::test_record_placement ... ok
[INFO] [stdout] test unit::io::visualization::tests::test_record_removal ... ok
[INFO] [stdout] test unit::io::visualization::tests::test_visualization_capture_new ... ok
[INFO] [stdout] test unit::math::interpolation::tests::test_cubic_interpolation_passes_through_data_points_and_interpolates_smoothly ... ok
[INFO] [stdout] test unit::math::probability::tests::test_binomial_normal_approximate_cdf_fair_coin_flips ... ok
[INFO] [stdout] test unit::spatial::extension::tests::test_calculate_extension_needs_expansion ... ok
[INFO] [stdout] test unit::spatial::extension::tests::test_calculate_extension_negative_padding ... ok
[INFO] [stdout] test unit::spatial::extension::tests::test_calculate_extension_no_extension_needed ... ok
[INFO] [stdout] test unit::spatial::extension::tests::test_extend_array_2d_no_extension ... ok
[INFO] [stdout] test unit::spatial::extension::tests::test_extend_array_2d_with_padding ... ok
[INFO] [stdout] test unit::spatial::extension::tests::test_extend_array_3d_no_extension ... ok
[INFO] [stdout] test unit::spatial::extension::tests::test_extend_array_3d_with_padding ... ok
[INFO] [stdout] test unit::spatial::extension::tests::test_extendable_trait_implementations ... ok
[INFO] [stdout] test unit::spatial::extension::tests::test_extension_info_copy_clone ... ok
[INFO] [stdout] test unit::spatial::grid::tests::test_extend_matrices_expands_grid_for_out_of_bounds_coordinates ... ok
[INFO] [stdout] test unit::spatial::grid::tests::test_gridstate_extend_if_needed_preserves_existing_data ... ok
[INFO] [stdout] test unit::spatial::tiles::tests::test_reflection_correctness ... ok
[INFO] [stdout] test unit::spatial::tiles::tests::test_rotate_90_bug_detection ... ok
[INFO] [stdout] test unit::spatial::tiles::tests::test_rotate_90_correctness ... ok
[INFO] [stdout] test unit::spatial::tiles::tests::test_tile_transformations ... ok
[INFO] [stdout] test unit::io::image::tests::test_export_grid_as_png_creates_file ... FAILED
[INFO] [stdout] test unit::algorithm::executor::tests::test_forced_position_deduplication ... ok
[INFO] [stdout] test unit::algorithm::executor::tests::test_forced_position_detection_correctness ... ok
[INFO] [stdout] test unit::algorithm::executor::tests::test_forced_position_detection_basic ... ok
[INFO] [stdout] test unit::algorithm::executor::tests::test_forced_pipeline_processing ... ok
[INFO] [stdout] test unit::algorithm::executor::tests::test_forced_position_adjacency_coverage ... ok
[INFO] [stdout] test unit::algorithm::executor::tests::test_forced_position_prevents_contradiction ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- unit::io::image::tests::test_export_grid_as_png_creates_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'unit::io::image::tests::test_export_grid_as_png_creates_file' (103) panicked at tests/unit/io/image.rs:38:9:
[INFO] [stdout] PNG export should succeed
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6405f01d9902 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6405f01d9902 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6405f01d9902 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6405f01d9902 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6405f01ebb5a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6405f01ebb5a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x6405f01a59a6 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6405f01a59a6 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x6405f01b78a9 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6405f01b78a9 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6405f01b7741 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6405ef638c9e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x6405ef638c9e - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6405f01b7bd2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x6405f01b7bd2 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6405f01b799a - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x6405f01b2469 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6405f01994cd - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6405f01f51cc - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6405ef60114b - main::unit::io::image::tests::test_export_grid_as_png_creates_file::hf516d0cd396a8973
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/unit/io/image.rs:38:9
[INFO] [stdout]   20:     0x6405ef601257 - main::unit::io::image::tests::test_export_grid_as_png_creates_file::{{closure}}::h5975270aacd98f57
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/unit/io/image.rs:14:46
[INFO] [stdout]   21:     0x6405ef5e0146 - core::ops::function::FnOnce::call_once::h50f9b3e2c21e7e67
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x6405ef638a5b - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x6405ef638a5b - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x6405ef64c46a - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x6405ef64c46a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x6405ef64c46a - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x6405ef64c46a - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x6405ef64c46a - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x6405ef64c46a - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x6405ef64c46a - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x6405ef6268c4 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x6405ef6268c4 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x6405ef62a262 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x6405ef62a262 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x6405ef62a262 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x6405ef62a262 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x6405ef62a262 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x6405ef62a262 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x6405ef62a262 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x6405f01ad5bf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   41:     0x6405f01ad5bf - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   42:     0x7719ff82daa4 - <unknown>
[INFO] [stdout]   43:     0x7719ff8baa64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     unit::io::image::tests::test_export_grid_as_png_creates_file
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 114 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.86s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test main`
[INFO] running `Command { std: "docker" "inspect" "97e1784707d664906e2f6e4f68b0484bd533628171fbc18bd307d6bb19464607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e1784707d664906e2f6e4f68b0484bd533628171fbc18bd307d6bb19464607", kill_on_drop: false }`
[INFO] [stdout] 97e1784707d664906e2f6e4f68b0484bd533628171fbc18bd307d6bb19464607
