[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] ca6e351a8ca97f05fcdd1aaf8d496dca88269540
[INFO] testing MelbourneDeveloper/dart_mutant against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelbourneDeveloper%2Fdart_mutant" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MelbourneDeveloper/dart_mutant on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4317afcdfb0d6254fd10ce153191aa600b3372ead5e26a1b67aec935d7f15115
[INFO] running `Command { std: "docker" "start" "-a" "4317afcdfb0d6254fd10ce153191aa600b3372ead5e26a1b67aec935d7f15115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4317afcdfb0d6254fd10ce153191aa600b3372ead5e26a1b67aec935d7f15115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4317afcdfb0d6254fd10ce153191aa600b3372ead5e26a1b67aec935d7f15115", kill_on_drop: false }`
[INFO] [stdout] 4317afcdfb0d6254fd10ce153191aa600b3372ead5e26a1b67aec935d7f15115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 1beb923dca25f29b337726589bdf545a2ebe25716fc10e93d53a5aff6b2aadc2
[INFO] running `Command { std: "docker" "start" "-a" "1beb923dca25f29b337726589bdf545a2ebe25716fc10e93d53a5aff6b2aadc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
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[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling regex v1.12.2
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[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
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[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling clap v4.5.53
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling hyper-util v0.1.19
[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 `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "1beb923dca25f29b337726589bdf545a2ebe25716fc10e93d53a5aff6b2aadc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1beb923dca25f29b337726589bdf545a2ebe25716fc10e93d53a5aff6b2aadc2", kill_on_drop: false }`
[INFO] [stdout] 1beb923dca25f29b337726589bdf545a2ebe25716fc10e93d53a5aff6b2aadc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] e49dc3e204534b021e2f3c4ab9671f869aab995b0c7097ae291aff826ad7d682
[INFO] running `Command { std: "docker" "start" "-a" "e49dc3e204534b021e2f3c4ab9671f869aab995b0c7097ae291aff826ad7d682", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling sdd v3.0.10
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]    Compiling scc v2.4.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling which v7.0.3
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serial_test v3.2.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling tree-sitter v0.24.7
[INFO] [stderr]    Compiling tree-sitter-dart v0.0.4
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling hyper-util v0.1.19
[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 32.61s
[INFO] running `Command { std: "docker" "inspect" "e49dc3e204534b021e2f3c4ab9671f869aab995b0c7097ae291aff826ad7d682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e49dc3e204534b021e2f3c4ab9671f869aab995b0c7097ae291aff826ad7d682", kill_on_drop: false }`
[INFO] [stdout] e49dc3e204534b021e2f3c4ab9671f869aab995b0c7097ae291aff826ad7d682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] c0f59ba173db86ceb0aa8226c4e12aa97e8f00f35aedc18f286f3f9ae58ba14d
[INFO] running `Command { std: "docker" "start" "-a" "c0f59ba173db86ceb0aa8226c4e12aa97e8f00f35aedc18f286f3f9ae58ba14d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/dart_mutant/7085a579e93aff51/deps/dart_mutant-7085a579e93aff51)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test parser::tests::test_parse_simple_dart ... ok
[INFO] [stdout] test runner::tests::test_lock_released_after_scope ... ok
[INFO] [stdout] test runner::tests::test_different_files_get_different_locks ... ok
[INFO] [stdout] test runner::tests::test_mutation_creation ... ok
[INFO] [stdout] test runner::tests::test_file_lock_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. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_e2e.rs (/opt/rustwide/target/debug/build/dart_mutant/acd69d26b0e1ff52/deps/integration_e2e-acd69d26b0e1ff52)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[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_threshold_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 file_discovery_e2e::discovers_fixture_dart_files ... ok
[INFO] [stdout] test full_pipeline_e2e::dry_run_on_fixtures_succeeds ... ok
[INFO] [stdout] test full_pipeline_e2e::full_run_on_fixtures_produces_report ... ok
[INFO] [stdout] test mutation_generation_e2e::calculator_has_all_mutation_types ... ok
[INFO] [stdout] test mutation_generation_e2e::fixtures_have_many_mutation_candidates ... ok
[INFO] [stdout] test cli_arguments::accepts_path_argument ... ok
[INFO] [stdout] test file_discovery_e2e::fixture_files_are_parseable ... ok
[INFO] [stdout] test mutation_generation_e2e::null_safe_has_dart_specific_constructs ... ok
[INFO] [stdout] test output_format_e2e::banner_is_displayed ... 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 threshold_behavior::threshold_zero_always_passes ... ok
[INFO] [stdout] test threshold_behavior::threshold_determines_exit_code ... ok
[INFO] [stdout] test full_pipeline_e2e::ai_report_flag_generates_markdown_report ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_mutation.rs (/opt/rustwide/target/debug/build/dart_mutant/75200af853b25ecd/deps/integration_mutation-75200af853b25ecd)
[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::handles_empty_ai_response ... ok
[INFO] [stdout] test ai_suggestion_parsing::parses_ollama_response_format ... ok
[INFO] [stdout] test ai_suggestion_parsing::parses_anthropic_response_format ... ok
[INFO] [stdout] test ai_suggestion_parsing::parses_openai_response_format ... ok
[INFO] [stdout] test ai_suggestion_parsing::suggestion_line_column_validation ... ok
[INFO] [stdout] test mutation_application::applies_arithmetic_mutation_correctly ... ok
[INFO] [stdout] test mutation_application::applies_comparison_mutation_correctly ... ok
[INFO] [stdout] test mutation_application::applies_boolean_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 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_application::mutated_code_is_syntactically_valid ... ok
[INFO] [stdout] test mutation_generation::generates_arithmetic_mutations_for_calculator ... ok
[INFO] [stdout] test mutation_coverage::all_dart_operators_have_mutations ... ok
[INFO] [stdout] test mutation_generation::generates_comparison_mutations ... ok
[INFO] [stdout] test mutation_apply::apply_handles_deletion ... ok
[INFO] [stdout] test mutation_generation::generates_logical_mutations ... ok
[INFO] [stdout] test mutation_coverage::calculator_has_sufficient_mutation_targets ... ok
[INFO] [stdout] test mutation_operator_names::all_operators_follow_naming_convention ... ok
[INFO] [stdout] test mutation_apply::apply_replaces_at_correct_position ... ok
[INFO] [stdout] test mutation_operator_names::arithmetic_operators_have_descriptive_names ... ok
[INFO] [stdout] test mutation_operator_names::logical_operators_have_descriptive_names ... ok
[INFO] [stdout] test mutation_generation::generates_control_flow_mutations ... ok
[INFO] [stdout] test mutation_generation::generates_null_safety_mutations ... ok
[INFO] [stdout] test mutation_generation::generates_unary_mutations ... ok
[INFO] [stdout] test mutation_operator_names::comparison_operators_have_descriptive_names ... ok
[INFO] [stdout] test mutation_generation::generates_string_mutations ... ok
[INFO] [stdout] test ai_suggestion_parsing::calculates_byte_offset_correctly ... ok
[INFO] [stdout] test mutation_coverage::null_safe_has_dart_specific_mutations ... 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_sampling::sample_returns_empty_for_empty_input ... 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 ai_suggestion_parsing::extracts_json_from_markdown_code_blocks ... ok
[INFO] [stdout] test mutation_generation::generates_boolean_mutations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_parser.rs (/opt/rustwide/target/debug/build/dart_mutant/48127e87eccc57b6/deps/integration_parser-48127e87eccc57b6)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test discover_files::discovers_all_dart_files_in_lib ... ok
[INFO] [stdout] test discover_files::excludes_generated_files ... ok
[INFO] [stdout] test mutation_discovery::discovers_comparison_mutations ... ok
[INFO] [stdout] test mutation_discovery::discovers_arithmetic_mutations ... ok
[INFO] [stdout] test mutation_discovery::discovers_logical_mutations ... ok
[INFO] [stdout] test mutation_discovery::discovers_increment_decrement_mutations ... ok
[INFO] [stdout] test mutation_discovery::discovers_null_safety_mutations ... ok
[INFO] [stdout] test mutation_discovery::discovers_string_literal_mutations ... ok
[INFO] [stdout] test parse_dart::parses_null_safe_dart_correctly ... ok
[INFO] [stdout] test parse_dart::finds_null_aware_operators ... ok
[INFO] [stdout] test parse_dart::finds_logical_expressions ... 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/build/dart_mutant/b4b98d0f5074d2fb/deps/integration_report-b4b98d0f5074d2fb)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test ai_report_structure::ai_report_has_markdown_header ... ok
[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_summary_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_has_quick_reference_section ... ok
[INFO] [stdout] test ai_report_structure::ai_report_shows_surviving_mutants_section ... ok
[INFO] [stdout] test html_report_structure::html_contains_killed_count ... ok
[INFO] [stdout] test ai_report_structure::ai_report_sorts_files_by_survivor_count ... ok
[INFO] [stdout] test html_report_structure::html_contains_score ... ok
[INFO] [stdout] test html_report_structure::html_contains_survived_count ... 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 json_report_structure::json_has_stryker_compatible_fields ... ok
[INFO] [stdout] test json_report_structure::json_is_valid_and_parseable ... ok
[INFO] [stdout] test ai_report_structure::ai_report_shows_mutation_details ... ok
[INFO] [stdout] test json_report_structure::status_values_are_valid ... ok
[INFO] [stdout] test mutation_score_calculation::errors_excluded_from_calculation ... ok
[INFO] [stdout] test mutation_score_calculation::perfect_score_when_all_killed ... ok
[INFO] [stdout] test mutation_score_calculation::empty_results_return_zero ... 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::score_is_bounded_0_to_100 ... ok
[INFO] [stdout] test mutation_score_calculation::zero_score_when_all_survived ... ok
[INFO] [stdout] test result_grouping::correct_count_per_file ... ok
[INFO] [stdout] test result_grouping::groups_results_by_file ... 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 result_grouping::can_calculate_per_file_score ... ok
[INFO] [stdout] test mutation_score_calculation::timeout_counts_as_killed ... ok
[INFO] [stdout] test report_output::can_write_report_to_file ... ok
[INFO] [stdout] test test_hint_generation::comparison_hint_mentions_boundary ... ok
[INFO] [stdout] test test_hint_generation::logical_hint_mentions_combinations ... 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] test report_output::creates_parent_directories ... 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] [stderr]      Running tests/integration_runner.rs (/opt/rustwide/target/debug/build/dart_mutant/ffe6ef2a69087150/deps/integration_runner-ffe6ef2a69087150)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test dart_environment::test_fixtures_have_valid_pubspec ... 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 file_manipulation::mutation_application_preserves_file_structure ... ok
[INFO] [stdout] test file_restoration_proof::file_restored_after_mutation_with_locks ... ok
[INFO] [stdout] test file_manipulation::can_write_and_restore_dart_files ... ok
[INFO] [stdout] test file_manipulation::can_read_dart_source_files ... ok
[INFO] [stdout] test runner_integration::mutation_result_types_match_expected_variants ... 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 timeout_handling::timeout_duration_is_reasonable ... ok
[INFO] [stdout] test dart_environment::dart_sdk_is_available ... ok
[INFO] [stdout] test dart_environment::test_fixtures_tests_pass ... ok
[INFO] [stdout] test parallelism_proof::atomic_counters_are_accurate ... ok
[INFO] [stdout] test parallelism_proof::file_lock_hashmap_handles_concurrent_access ... 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 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/build/dart_mutant/d27dfad90578e26d/deps/integration_tests-d27dfad90578e26d)
[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 dart_test_execution::test_sample_project_has_sufficient_test_coverage ... ok
[INFO] [stdout] test compile_error_tests::test_valid_arithmetic_mutation_compiles ... ok
[INFO] [stdout] test compile_error_tests::test_string_plus_to_minus_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_original_code_compiles ... ok
[INFO] [stdout] test compile_error_tests::test_compile_error_project_tests_pass ... ok
[INFO] [stdout] test mutation_discovery::test_fixture_files_contain_null_safety_operators ... ok
[INFO] [stdout] test mutation_discovery::test_discovers_dart_files_in_sample_project ... ok
[INFO] [stdout] test mutation_discovery::test_fixture_files_contain_mutable_code ... ok
[INFO] [stdout] test mutation_operator_tests::test_null_safety_has_null_operator_mutations ... ok
[INFO] [stdout] test mutation_operator_tests::test_string_utils_has_mutation_opportunities ... ok
[INFO] [stdout] test report_tests::test_json_report_is_valid ... ok
[INFO] [stdout] test report_tests::test_html_report_structure ... ok
[INFO] [stdout] test mutation_operator_tests::test_calculator_has_many_mutation_opportunities ... ok
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling tree-sitter-language v0.1.6
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr] error: could not compile `bytes` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/bin/rustc --crate-name bytes --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bytes-1.11.0/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 --warn=unexpected_cfgs --check-cfg 'cfg(loom)' --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "extra-platforms", "serde", "std"))' -C metadata=29b0c8ef9222dfa5 -C extra-filename=-81f0e3904b1827b3 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.8/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="std"' --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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=d0885f762abd4027 -C extra-filename=-5756d918b4868933 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stdout] test e2e_mutation_testing::test_cli_shows_help ... FAILED
[INFO] [stdout] test e2e_mutation_testing::test_binary_builds_successfully ... FAILED
[INFO] [stdout] test e2e_mutation_testing::test_cli_shows_version ... ok
[INFO] [stdout] test e2e_mutation_testing::test_dry_run_mode ... ok
[INFO] [stdout] test parser_tests::test_dart_files_are_syntactically_valid ... ok
[INFO] [stdout] test e2e_mutation_testing::test_full_mutation_run_on_sample_project ... ok
[INFO] [stdout] test dart_test_execution::test_sample_project_tests_pass ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- e2e_mutation_testing::test_cli_shows_help stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'e2e_mutation_testing::test_cli_shows_help' (197) panicked at tests/integration_tests.rs:212:9:
[INFO] [stdout] Help should mention mutation testing. Output: 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61e923b05152 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61e923b05152 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61e923b05152 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x61e923b05152 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x61e923b1b80a - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x61e923b1b80a - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x61e923b0a1d6 - std[840933623431fd06]::io::default_write_fmt::<alloc[40b2bae28975ac47]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61e923b0a1d6 - <alloc[40b2bae28975ac47]::vec::Vec<u8> as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x61e923ae063f - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x61e923ae063f - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x61e923afb9c9 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x61e923a50f3e - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x61e923a50f3e - test[2f1252070343a163]::test_main_with_exit_callback::<test[2f1252070343a163]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61e923afbb82 - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x61e923afbb82 - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x61e923ae06f8 - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x61e923ad7e59 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x61e923ae154d - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x61e923b1bf0c - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x61e923a0a8ff - integration_tests[ff4b675a50064ec7]::e2e_mutation_testing::test_cli_shows_help
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:212:9
[INFO] [stdout]   20:     0x61e923a05447 - integration_tests[ff4b675a50064ec7]::e2e_mutation_testing::test_cli_shows_help::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:201:29
[INFO] [stdout]   21:     0x61e923a14bf6 - <integration_tests[ff4b675a50064ec7]::e2e_mutation_testing::test_cli_shows_help::{closure#0} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x61e923a452eb - <fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x61e923a452eb - test[2f1252070343a163]::__rust_begin_short_backtrace::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x61e923a51b4a - test[2f1252070343a163]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x61e923a51b4a - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x61e923a51b4a - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x61e923a51b4a - std[840933623431fd06]::panicking::catch_unwind::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x61e923a51b4a - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x61e923a51b4a - test[2f1252070343a163]::run_test_in_process
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x61e923a51b4a - test[2f1252070343a163]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x61e923a4c014 - test[2f1252070343a163]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x61e923a4c014 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<test[2f1252070343a163]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x61e923a54642 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x61e923a54642 - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x61e923a54642 - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x61e923a54642 - std[840933623431fd06]::panicking::catch_unwind::<(), core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x61e923a54642 - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x61e923a54642 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x61e923a54642 - <std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x61e923b043ef - <alloc[40b2bae28975ac47]::boxed::Box<dyn core[8f93d80df273fe75]::ops::function::FnOnce<(), Output = ()> + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   41:     0x61e923b043ef - <std[840933623431fd06]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   42:     0x71ba0c5bfaa4 - <unknown>
[INFO] [stdout]   43:     0x71ba0c64ca64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- e2e_mutation_testing::test_binary_builds_successfully stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'e2e_mutation_testing::test_binary_builds_successfully' (196) panicked at tests/integration_tests.rs:197:9:
[INFO] [stdout] dart_mutant should build successfully
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61e923b05152 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61e923b05152 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61e923b05152 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x61e923b05152 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x61e923b1b80a - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x61e923b1b80a - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x61e923b0a1d6 - std[840933623431fd06]::io::default_write_fmt::<alloc[40b2bae28975ac47]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61e923b0a1d6 - <alloc[40b2bae28975ac47]::vec::Vec<u8> as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x61e923ae063f - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x61e923ae063f - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x61e923afb9c9 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x61e923a50f3e - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x61e923a50f3e - test[2f1252070343a163]::test_main_with_exit_callback::<test[2f1252070343a163]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61e923afbb82 - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x61e923afbb82 - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x61e923ae072a - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x61e923ad7e59 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x61e923ae154d - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x61e923b1bf0c - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x61e923a0ad1f - integration_tests[ff4b675a50064ec7]::e2e_mutation_testing::test_binary_builds_successfully
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:197:9
[INFO] [stdout]   20:     0x61e923a054a7 - integration_tests[ff4b675a50064ec7]::e2e_mutation_testing::test_binary_builds_successfully::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:189:41
[INFO] [stdout]   21:     0x61e923a14c76 - <integration_tests[ff4b675a50064ec7]::e2e_mutation_testing::test_binary_builds_successfully::{closure#0} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x61e923a452eb - <fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x61e923a452eb - test[2f1252070343a163]::__rust_begin_short_backtrace::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x61e923a51b4a - test[2f1252070343a163]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x61e923a51b4a - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x61e923a51b4a - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x61e923a51b4a - std[840933623431fd06]::panicking::catch_unwind::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x61e923a51b4a - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x61e923a51b4a - test[2f1252070343a163]::run_test_in_process
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x61e923a51b4a - test[2f1252070343a163]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x61e923a4c014 - test[2f1252070343a163]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x61e923a4c014 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<test[2f1252070343a163]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x61e923a54642 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x61e923a54642 - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x61e923a54642 - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x61e923a54642 - std[840933623431fd06]::panicking::catch_unwind::<(), core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x61e923a54642 - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x61e923a54642 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x61e923a54642 - <std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x61e923b043ef - <alloc[40b2bae28975ac47]::boxed::Box<dyn core[8f93d80df273fe75]::ops::function::FnOnce<(), Output = ()> + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   41:     0x61e923b043ef - <std[840933623431fd06]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   42:     0x71ba0c5bfaa4 - <unknown>
[INFO] [stdout]   43:     0x71ba0c64ca64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     e2e_mutation_testing::test_binary_builds_successfully
[INFO] [stdout]     e2e_mutation_testing::test_cli_shows_help
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 20 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 33.75s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test integration_tests`
[INFO] running `Command { std: "docker" "inspect" "c0f59ba173db86ceb0aa8226c4e12aa97e8f00f35aedc18f286f3f9ae58ba14d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f59ba173db86ceb0aa8226c4e12aa97e8f00f35aedc18f286f3f9ae58ba14d", kill_on_drop: false }`
[INFO] [stdout] c0f59ba173db86ceb0aa8226c4e12aa97e8f00f35aedc18f286f3f9ae58ba14d
