[INFO] cloning repository https://github.com/MelbourneDeveloper/dart_mutant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MelbourneDeveloper/dart_mutant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelbourneDeveloper%2Fdart_mutant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelbourneDeveloper%2Fdart_mutant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ceb58eb1ba9e17598ffe042a07c8caa3ac7ba9e
[INFO] testing MelbourneDeveloper/dart_mutant against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelbourneDeveloper%2Fdart_mutant" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MelbourneDeveloper/dart_mutant
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/MelbourneDeveloper/dart_mutant
[INFO] tweaked toml for git repo https://github.com/MelbourneDeveloper/dart_mutant written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MelbourneDeveloper/dart_mutant on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MelbourneDeveloper/dart_mutant 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7
[INFO] running `Command { std: "docker" "start" "72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling dart_mutant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
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[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.25
[INFO] [stderr]    Compiling dart_mutant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 35.69s
[INFO] running `Command { std: "docker" "inspect" "72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dart_mutant-074f624550e5b1ea)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test parser::tests::test_discover_empty_tree_returns_empty ... ok
[INFO] [stdout] test parser::tests::test_discover_prunes_dart_tool_and_dependency_dirs ... ok
[INFO] [stdout] test parser::tests::test_discover_does_not_follow_symlinks ... ok
[INFO] [stdout] test parser::tests::test_parse_simple_dart ... ok
[INFO] [stdout] test parser::tests::test_discover_skips_generated_files ... ok
[INFO] [stdout] test parser::tests::test_string_mutations_skip_library_directives ... ok
[INFO] [stdout] test parser::tests::test_discover_respects_exclude_patterns ... ok
[INFO] [stdout] test parser::tests::test_parse_and_find_mutations_covers_core_operator_families ... ok
[INFO] [stdout] test parser::tests::test_string_mutations_skip_interpolated_and_directive_strings ... ok
[INFO] [stdout] test parser::tests::test_discover_recurses_into_deeply_nested_directories ... ok
[INFO] [stdout] test runner::tests::test_different_files_get_different_locks ... ok
[INFO] [stdout] test runner::tests::test_file_lock_creation ... ok
[INFO] [stdout] test runner::tests::test_lock_released_after_scope ... ok
[INFO] [stdout] test runner::tests::test_mutation_creation ... ok
[INFO] [stdout] test runner::tests::test_different_files_can_be_accessed_concurrently ... ok
[INFO] [stdout] test runner::tests::test_mixed_file_access_pattern ... ok
[INFO] [stdout] test runner::tests::test_file_lock_prevents_concurrent_access ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stderr]      Running tests/integration_e2e.rs (/opt/rustwide/target/debug/deps/integration_e2e-53136fbcff9688c0)
[INFO] [stdout] test baseline_verification::red_baseline_is_rejected_not_reported_as_all_killed ... ok
[INFO] [stdout] test cli_arguments::accepts_exclude_patterns ... ok
[INFO] [stdout] test cli_arguments::accepts_output_directory_argument ... ok
[INFO] [stdout] test cli_arguments::accepts_parallel_jobs_argument ... ok
[INFO] [stdout] test cli_arguments::accepts_path_argument ... ok
[INFO] [stdout] test cli_arguments::help_flag_shows_usage ... ok
[INFO] [stdout] test cli_arguments::version_flag_shows_version ... ok
[INFO] [stdout] test full_pipeline_e2e::ai_report_flag_generates_markdown_report ... ok
[INFO] [stdout] test full_pipeline_e2e::dry_run_on_fixtures_succeeds ... ok
[INFO] [stdout] test file_discovery_e2e::discovers_fixture_dart_files ... ok
[INFO] [stdout] test mutation_generation_e2e::calculator_has_all_mutation_types ... ok
[INFO] [stdout] test mutation_generation_e2e::null_safe_has_dart_specific_constructs ... ok
[INFO] [stdout] test output_format_e2e::score_bar_format ... ok
[INFO] [stdout] test threshold_behavior::threshold_80_requires_high_score ... ok
[INFO] [stdout] test mutation_generation_e2e::fixtures_have_many_mutation_candidates ... ok
[INFO] [stdout] test output_format_e2e::banner_is_displayed ... ok
[INFO] [stdout] test threshold_behavior::threshold_zero_always_passes ... ok
[INFO] [stdout] test void_call_removal::generates_removal_mutations_for_void_call_statements ... ok
[INFO] [stdout] test full_pipeline_e2e::full_run_on_fixtures_produces_report ... ok
[INFO] [stdout] test file_discovery_e2e::fixture_files_are_parseable ... ok
[INFO] [stdout] test threshold_behavior::threshold_determines_exit_code ... ok
[INFO] [stdout] test cli_arguments::accepts_threshold_argument ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_mutation.rs (/opt/rustwide/target/debug/deps/integration_mutation-92a9e54f30851329)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test ai_suggestion_parsing::ai_mutations_have_correct_metadata ... ok
[INFO] [stdout] test ai_suggestion_parsing::calculates_byte_offset_correctly ... ok
[INFO] [stdout] test ai_suggestion_parsing::extracts_json_from_markdown_code_blocks ... ok
[INFO] [stdout] test ai_suggestion_parsing::handles_empty_ai_response ... ok
[INFO] [stdout] test ai_suggestion_parsing::parses_ollama_response_format ... ok
[INFO] [stdout] test ai_suggestion_parsing::suggestion_line_column_validation ... ok
[INFO] [stdout] test mutation_application::applies_comparison_mutation_correctly ... ok
[INFO] [stdout] test mutation_application::applies_if_condition_mutation_correctly ... ok
[INFO] [stdout] test mutation_application::applies_increment_mutation_correctly ... ok
[INFO] [stdout] test ai_suggestion_parsing::parses_openai_response_format ... ok
[INFO] [stdout] test mutation_application::applies_logical_mutation_correctly ... ok
[INFO] [stdout] test mutation_application::applies_string_mutation_correctly ... ok
[INFO] [stdout] test mutation_application::applies_null_coalescing_mutation_correctly ... ok
[INFO] [stdout] test mutation_apply::apply_handles_end_of_string ... ok
[INFO] [stdout] test mutation_apply::apply_handles_multi_char_replacement ... ok
[INFO] [stdout] test mutation_apply::apply_preserves_unicode ... ok
[INFO] [stdout] test mutation_apply::apply_handles_start_of_string ... ok
[INFO] [stdout] test mutation_coverage::all_dart_operators_have_mutations ... ok
[INFO] [stdout] test mutation_generation::generates_unary_mutations ... ok
[INFO] [stdout] test mutation_operator_names::all_operators_follow_naming_convention ... ok
[INFO] [stdout] test mutation_generation::generates_string_mutations ... ok
[INFO] [stdout] test mutation_operator_names::arithmetic_operators_have_descriptive_names ... ok
[INFO] [stdout] test mutation_operator_names::comparison_operators_have_descriptive_names ... ok
[INFO] [stdout] test mutation_operator_names::logical_operators_have_descriptive_names ... ok
[INFO] [stdout] test mutation_operator_names::null_safety_operators_have_descriptive_names ... ok
[INFO] [stdout] test mutation_sampling::sample_returns_all_when_count_exceeds_length ... ok
[INFO] [stdout] test mutation_apply::apply_replaces_at_correct_position ... ok
[INFO] [stdout] test mutation_generation::generates_boolean_mutations ... ok
[INFO] [stdout] test mutation_generation::generates_logical_mutations ... ok
[INFO] [stdout] test mutation_generation::generates_null_safety_mutations ... ok
[INFO] [stdout] test mutation_generation::generates_comparison_mutations ... ok
[INFO] [stdout] test ai_suggestion_parsing::parses_anthropic_response_format ... ok
[INFO] [stdout] test mutation_application::applies_arithmetic_mutation_correctly ... ok
[INFO] [stdout] test mutation_application::applies_boolean_mutation_correctly ... ok
[INFO] [stdout] test mutation_application::mutated_code_is_syntactically_valid ... ok
[INFO] [stdout] test mutation_apply::apply_handles_deletion ... ok
[INFO] [stdout] test mutation_coverage::calculator_has_sufficient_mutation_targets ... ok
[INFO] [stdout] test mutation_generation::generates_control_flow_mutations ... ok
[INFO] [stdout] test mutation_sampling::sample_returns_exact_count_when_smaller ... ok
[INFO] [stdout] test mutation_sampling::sample_zero_returns_empty ... ok
[INFO] [stdout] test mutation_generation::generates_arithmetic_mutations_for_calculator ... ok
[INFO] [stdout] test mutation_coverage::null_safe_has_dart_specific_mutations ... ok
[INFO] [stderr]      Running tests/integration_parser.rs (/opt/rustwide/target/debug/deps/integration_parser-060293bc7923ceb7)
[INFO] [stdout] test mutation_sampling::sample_returns_empty_for_empty_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test discover_files::discovers_all_dart_files_in_lib ... ok
[INFO] [stdout] test mutation_discovery::discovers_comparison_mutations ... ok
[INFO] [stdout] test mutation_discovery::discovers_logical_mutations ... ok
[INFO] [stdout] test mutation_discovery::discovers_null_safety_mutations ... ok
[INFO] [stdout] test discover_files::excludes_generated_files ... ok
[INFO] [stdout] test parse_dart::parses_null_safe_dart_correctly ... ok
[INFO] [stdout] test parse_dart::finds_logical_expressions ... ok
[INFO] [stdout] test parse_dart::finds_null_aware_operators ... ok
[INFO] [stdout] test mutation_discovery::discovers_increment_decrement_mutations ... ok
[INFO] [stdout] test mutation_discovery::discovers_arithmetic_mutations ... ok
[INFO] [stdout] test mutation_discovery::discovers_string_literal_mutations ... ok
[INFO] [stdout] test parse_dart::finds_if_statements ... ok
[INFO] [stdout] test parse_dart::parses_calculator_dart_without_errors ... ok
[INFO] [stdout] test parse_dart::finds_binary_expressions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_report.rs (/opt/rustwide/target/debug/deps/integration_report-49d174059ee02c5a)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test ai_report_structure::ai_report_groups_survivors_by_file ... ok
[INFO] [stdout] test ai_report_structure::ai_report_handles_special_characters_in_mutations ... ok
[INFO] [stdout] test ai_report_structure::ai_report_has_markdown_header ... ok
[INFO] [stdout] test ai_report_structure::ai_report_has_quick_reference_section ... ok
[INFO] [stdout] test ai_report_structure::ai_report_no_quick_reference_when_all_killed ... ok
[INFO] [stdout] test ai_report_structure::ai_report_shows_all_killed_message_when_no_survivors ... ok
[INFO] [stdout] test ai_report_structure::ai_report_shows_mutation_details ... ok
[INFO] [stdout] test ai_report_structure::ai_report_has_summary_section ... ok
[INFO] [stdout] test ai_report_structure::ai_report_shows_surviving_mutants_section ... ok
[INFO] [stdout] test ai_report_structure::ai_report_sorts_files_by_survivor_count ... ok
[INFO] [stdout] test html_report_structure::html_contains_killed_count ... ok
[INFO] [stdout] test html_report_structure::html_contains_score ... ok
[INFO] [stdout] test html_report_structure::html_is_valid_structure ... ok
[INFO] [stdout] test html_report_structure::score_color_coding_logic ... ok
[INFO] [stdout] test html_report_structure::html_contains_survived_count ... ok
[INFO] [stdout] test json_report_structure::json_has_stryker_compatible_fields ... ok
[INFO] [stdout] test json_report_structure::json_is_valid_and_parseable ... ok
[INFO] [stdout] test json_report_structure::status_values_are_valid ... ok
[INFO] [stdout] test mutation_score_calculation::empty_results_return_zero ... ok
[INFO] [stdout] test mutation_score_calculation::errors_excluded_from_calculation ... ok
[INFO] [stdout] test mutation_score_calculation::fifty_percent_when_half_killed ... ok
[INFO] [stdout] test mutation_score_calculation::no_coverage_excluded_from_calculation ... ok
[INFO] [stdout] test mutation_score_calculation::timeout_counts_as_killed ... ok
[INFO] [stdout] test mutation_score_calculation::score_is_bounded_0_to_100 ... ok
[INFO] [stdout] test mutation_score_calculation::perfect_score_when_all_killed ... ok
[INFO] [stdout] test mutation_score_calculation::zero_score_when_all_survived ... ok
[INFO] [stdout] test report_output::can_write_report_to_file ... ok
[INFO] [stdout] test result_grouping::correct_count_per_file ... ok
[INFO] [stdout] test result_grouping::groups_results_by_file ... ok
[INFO] [stdout] test result_grouping::can_calculate_per_file_score ... ok
[INFO] [stdout] test test_hint_generation::arithmetic_hint_mentions_values ... ok
[INFO] [stdout] test test_hint_generation::boolean_hint_includes_values ... ok
[INFO] [stdout] test test_hint_generation::logical_hint_mentions_combinations ... ok
[INFO] [stdout] test test_hint_generation::comparison_hint_mentions_boundary ... ok
[INFO] [stdout] test report_output::creates_parent_directories ... ok
[INFO] [stdout] test test_hint_generation::null_hint_mentions_null_input ... ok
[INFO] [stdout] test test_hint_generation::unknown_operator_gives_generic_hint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stderr]      Running tests/integration_runner.rs (/opt/rustwide/target/debug/deps/integration_runner-006193e0f02a0426)
[INFO] [stdout] test dart_environment::dart_sdk_is_available ... ok
[INFO] [stdout] test file_manipulation::can_read_dart_source_files ... ok
[INFO] [stdout] test dart_environment::test_fixtures_have_valid_pubspec ... ok
[INFO] [stdout] test file_manipulation::can_write_and_restore_dart_files ... ok
[INFO] [stdout] test file_restoration_proof::file_restored_after_mutation_with_locks ... ok
[INFO] [stdout] test dart_environment::test_fixtures_tests_pass ... ok
[INFO] [stdout] test file_manipulation::mutation_application_preserves_file_structure ... ok
[INFO] [stdout] test mutation_testing_logic::boundary_condition_mutations_test_quality ... ok
[INFO] [stdout] test mutation_testing_logic::logical_operator_mutations_test_conditions ... ok
[INFO] [stdout] test mutation_testing_logic::mutation_in_uncovered_code_may_survive ... ok
[INFO] [stdout] test mutation_testing_logic::mutation_that_changes_arithmetic_should_be_killed ... ok
[INFO] [stdout] test parallel_execution::mutations_can_be_partitioned_for_parallel_execution ... ok
[INFO] [stdout] test parallel_execution::parallel_job_count_is_reasonable ... ok
[INFO] [stdout] test parallelism_proof::file_lock_hashmap_handles_concurrent_access ... ok
[INFO] [stdout] test runner_integration::mutation_result_types_match_expected_variants ... ok
[INFO] [stdout] test timeout_handling::timeout_duration_is_reasonable ... ok
[INFO] [stdout] test parallelism_proof::atomic_counters_are_accurate ... ok
[INFO] [stdout] test runner_integration::file_restore_guard_restores_on_drop ... ok
[INFO] [stdout] test timeout_handling::timeout_counts_as_killed ... ok
[INFO] [stdout] test parallelism_stress_tests::stress_test_rapid_lock_acquisition ... ok
[INFO] [stdout] test file_restoration_proof::parallel_mutations_on_different_files_all_restore ... ok
[INFO] [stdout] test parallelism_stress_tests::stress_test_many_mutations_few_files ... ok
[INFO] [stdout] test file_restoration_proof::restoration_works_even_with_panic_simulation ... ok
[INFO] [stdout] test parallelism_proof::parallel_tasks_on_different_files_run_concurrently ... ok
[INFO] [stdout] test file_restoration_proof::sequential_mutations_on_same_file_all_restore ... ok
[INFO] [stdout] test parallelism_stress_tests::stress_test_many_files_max_parallelism ... ok
[INFO] [stdout] test parallelism_proof::semaphore_limits_total_concurrent_jobs ... ok
[INFO] [stdout] test parallelism_proof::mixed_files_show_optimal_parallelism ... ok
[INFO] [stdout] test parallelism_proof::tasks_on_same_file_are_serialized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-48fbef9e6428d4af)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test compile_error_tests::test_equality_to_logical_and_causes_compile_error ... ok
[INFO] [stdout] test compile_error_tests::test_list_plus_to_minus_causes_compile_error ... ok
[INFO] [stdout] test compile_error_tests::test_compile_error_project_tests_pass ... ok
[INFO] [stdout] test compile_error_tests::test_string_plus_to_minus_causes_compile_error ... ok
[INFO] [stdout] test compile_error_tests::test_valid_arithmetic_mutation_compiles ... ok
[INFO] [stdout] test dart_test_execution::test_sample_project_has_sufficient_test_coverage ... ok
[INFO] [stdout] test mutation_discovery::test_discovers_dart_files_in_sample_project ... ok
[INFO] [stdout] test e2e_mutation_testing::test_full_mutation_run_on_sample_project ... ok
[INFO] [stdout] test report_tests::test_html_report_structure ... ok
[INFO] [stdout] test mutation_discovery::test_fixture_files_contain_mutable_code ... ok
[INFO] [stdout] test mutation_operator_tests::test_calculator_has_many_mutation_opportunities ... ok
[INFO] [stdout] test mutation_discovery::test_fixture_files_contain_null_safety_operators ... ok
[INFO] [stdout] test mutation_operator_tests::test_null_safety_has_null_operator_mutations ... ok
[INFO] [stdout] test report_tests::test_json_report_is_valid ... ok
[INFO] [stdout] test mutation_operator_tests::test_string_utils_has_mutation_opportunities ... ok
[INFO] [stdout] test compile_error_tests::test_original_code_compiles ... ok
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stdout] test e2e_mutation_testing::test_cli_shows_version ... ok
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stdout] test e2e_mutation_testing::test_cli_shows_help ... ok
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stdout] test e2e_mutation_testing::test_dry_run_mode ... ok
[INFO] [stdout] test dart_test_execution::test_sample_project_tests_pass ... ok
[INFO] [stdout] test parser_tests::test_dart_files_are_syntactically_valid ... ok
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling tree-sitter-language v0.1.6
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling tree-sitter v0.24.7
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.7
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling tree-sitter-dart v0.0.4
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling iri-string v0.7.9
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling rustls-pki-types v1.13.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.97.0-beta.6-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=472b744fe27af4dc -C extra-filename=-532b992ccae7d02a --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-65328d7212518a11.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-c053c075a4c1a1d3.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-c79326c9fe5e1db9.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex-automata` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.97.0-beta.6-x86_64-unknown-linux-gnu/bin/rustc --crate-name regex_automata --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-automata-0.4.13/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' --cfg 'feature="alloc"' --cfg 'feature="dfa-build"' --cfg 'feature="dfa-onepass"' --cfg 'feature="dfa-search"' --cfg 'feature="hybrid"' --cfg 'feature="meta"' --cfg 'feature="nfa-backtrack"' --cfg 'feature="nfa-pikevm"' --cfg 'feature="nfa-thompson"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="perf-literal-multisubstring"' --cfg 'feature="perf-literal-substring"' --cfg 'feature="std"' --cfg 'feature="syntax"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --cfg 'feature="unicode-word-boundary"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "dfa", "dfa-build", "dfa-onepass", "dfa-search", "hybrid", "internal-instrument", "internal-instrument-pikevm", "logging", "meta", "nfa", "nfa-backtrack", "nfa-pikevm", "nfa-thompson", "perf", "perf-inline", "perf-literal", "perf-literal-multisubstring", "perf-literal-substring", "std", "syntax", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment", "unicode-word-boundary"))' -C metadata=18387e099db18d7f -C extra-filename=-5dc9a0f6f8316576 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern aho_corasick=/opt/rustwide/target/release/deps/libaho_corasick-0333b487e4bd0cc5.rmeta --extern memchr=/opt/rustwide/target/release/deps/libmemchr-1df3f384506278db.rmeta --extern regex_syntax=/opt/rustwide/target/release/deps/libregex_syntax-498d230f801aa91a.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stdout] test e2e_mutation_testing::test_binary_builds_successfully ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- e2e_mutation_testing::test_binary_builds_successfully stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'e2e_mutation_testing::test_binary_builds_successfully' (3417) panicked at tests/integration_tests.rs:196:9:
[INFO] [stdout] dart_mutant should build successfully
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6497d99cc358 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6497d99cc358 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6497d99cc358 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6497d99cc358 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6497d99e1e8a - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6497d99e1e8a - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x6497d99d0dc2 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x6497d99d0dc2 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x6497d99a82c6 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6497d99a82c6 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6497d99c2ce9 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6497d9918cec - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x6497d9918cec - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6497d99c2ea2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x6497d99c2ea2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6497d99a83b4 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x6497d999d2b9 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6497d99a909d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6497d99e260c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6497d98d212f - integration_tests[830eb7340dce33a1]::e2e_mutation_testing::test_binary_builds_successfully
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:196:9
[INFO] [stdout]   20:     0x6497d98cccc7 - integration_tests[830eb7340dce33a1]::e2e_mutation_testing::test_binary_builds_successfully::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:188:41
[INFO] [stdout]   21:     0x6497d98dbc66 - <integration_tests[830eb7340dce33a1]::e2e_mutation_testing::test_binary_builds_successfully::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x6497d990bdcb - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x6497d990bdcb - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   24:     0x6497d9919645 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   25:     0x6497d9919645 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x6497d9919645 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x6497d9919645 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x6497d9919645 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x6497d9919645 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   30:     0x6497d9919645 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   31:     0x6497d9912f54 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   32:     0x6497d9912f54 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x6497d991c6c2 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   34:     0x6497d991c6c2 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x6497d991c6c2 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x6497d991c6c2 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x6497d991c6c2 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x6497d991c6c2 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   39:     0x6497d991c6c2 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x6497d99cb6cf - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   41:     0x6497d99cb6cf - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x7477aebbaaa4 - <unknown>
[INFO] [stdout]   43:     0x7477aec47a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     e2e_mutation_testing::test_binary_builds_successfully
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 21 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 57.39s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test integration_tests`
[INFO] running `Command { std: "docker" "inspect" "72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7", kill_on_drop: false }`
[INFO] [stdout] 72a054e0aae6ab5dd67774da62aedb9fac621a668fd509800bc6166f8a88f7e7
