[INFO] cloning repository https://github.com/acoyfellow/bughunter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acoyfellow/bughunter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facoyfellow%2Fbughunter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facoyfellow%2Fbughunter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f9605ad1ce4a6cb10b9f8f15f7c7515625cafb7
[INFO] testing acoyfellow/bughunter against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facoyfellow%2Fbughunter" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/acoyfellow/bughunter
[INFO] finished tweaking git repo https://github.com/acoyfellow/bughunter
[INFO] tweaked toml for git repo https://github.com/acoyfellow/bughunter written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/acoyfellow/bughunter on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/acoyfellow/bughunter 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oxc_estree v0.143.0
[INFO] [stderr]   Downloaded oxc_syntax v0.143.0
[INFO] [stderr]   Downloaded oxc_str v0.143.0
[INFO] [stderr]   Downloaded unicode-id-start v1.4.0
[INFO] [stderr]   Downloaded oxc_diagnostics v0.143.0
[INFO] [stderr]   Downloaded seq-macro v0.3.6
[INFO] [stderr]   Downloaded cow-utils v0.1.3
[INFO] [stderr]   Downloaded oxc_allocator v0.143.0
[INFO] [stderr]   Downloaded oxc_ast_macros v0.143.0
[INFO] [stderr]   Downloaded oxc-miette-derive v3.0.1
[INFO] [stderr]   Downloaded oxc_index v5.0.0
[INFO] [stderr]   Downloaded oxc_span v0.143.0
[INFO] [stderr]   Downloaded dragonbox_ecma v0.1.12
[INFO] [stderr]   Downloaded oxc_data_structures v0.143.0
[INFO] [stderr]   Downloaded oxc_regular_expression v0.143.0
[INFO] [stderr]   Downloaded oxc_ecmascript v0.143.0
[INFO] [stderr]   Downloaded oxc_ast_visit v0.143.0
[INFO] [stderr]   Downloaded oxc-miette v3.0.1
[INFO] [stderr]   Downloaded compact_str v0.10.0
[INFO] [stderr]   Downloaded oxc_ast v0.143.0
[INFO] [stderr]   Downloaded oxc_parser v0.143.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51
[INFO] running `Command { std: "docker" "start" "a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51", 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" "a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51", 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" "a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v1.0.3
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling owo-colors v4.3.0
[INFO] [stderr]    Compiling thiserror v2.0.19
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling smawk v0.3.3
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling rustc-hash v2.1.3
[INFO] [stderr]    Compiling oxc_data_structures v0.143.0
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling oxc_estree v0.143.0
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling dragonbox_ecma v0.1.12
[INFO] [stderr]    Compiling cow-utils v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling phf_shared v0.14.0
[INFO] [stderr]    Compiling unicode-id-start v1.4.0
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling nonmax v0.5.5
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling phf v0.14.0
[INFO] [stderr]    Compiling phf_generator v0.14.0
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling compact_str v0.10.0
[INFO] [stderr]    Compiling oxc_index v5.0.0
[INFO] [stderr]    Compiling oxc_allocator v0.143.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.5.1
[INFO] [stderr]    Compiling oxc_str v0.143.0
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.2.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling thiserror-impl v2.0.19
[INFO] [stderr]    Compiling oxc_ast_macros v0.143.0
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling oxc-miette-derive v3.0.1
[INFO] [stderr]    Compiling phf_macros v0.14.0
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling oxc-miette v3.0.1
[INFO] [stderr]    Compiling oxc_span v0.143.0
[INFO] [stderr]    Compiling oxc_diagnostics v0.143.0
[INFO] [stderr]    Compiling oxc_syntax v0.143.0
[INFO] [stderr]    Compiling oxc_regular_expression v0.143.0
[INFO] [stderr]    Compiling oxc_ast v0.143.0
[INFO] [stderr]    Compiling oxc_ecmascript v0.143.0
[INFO] [stderr]    Compiling oxc_ast_visit v0.143.0
[INFO] [stderr]    Compiling oxc_parser v0.143.0
[INFO] [stderr]    Compiling mutant-engine v0.0.1 (/opt/rustwide/workdir/crates/engine)
[INFO] [stderr]    Compiling mutant-runner v0.0.1 (/opt/rustwide/workdir/crates/runner)
[INFO] [stderr]    Compiling mutant v0.0.1 (/opt/rustwide/workdir/crates/cli)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51", 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" "a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutant-engine v0.0.1 (/opt/rustwide/workdir/crates/engine)
[INFO] [stderr]    Compiling mutant-runner v0.0.1 (/opt/rustwide/workdir/crates/runner)
[INFO] [stderr]    Compiling mutant v0.0.1 (/opt/rustwide/workdir/crates/cli)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51", 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" "a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/mutant-10feb43ede33b349)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test tests::all_timeouts_with_the_flag_exit_three ... ok
[INFO] [stdout] test tests::glob_with_zero_matches_is_an_error ... ok
[INFO] [stdout] test tests::discovery_is_deterministically_ordered ... ok
[INFO] [stdout] test tests::different_operators_at_the_same_location_have_different_ids ... ok
[INFO] [stdout] test tests::all_errors_without_the_flag_exit_zero ... ok
[INFO] [stdout] test tests::cli_flags_override_every_configured_value ... ok
[INFO] [stdout] test tests::absent_config_leaves_defaults_intact ... ok
[INFO] [stdout] test tests::malformed_line_ranges_are_errors ... ok
[INFO] [stdout] test tests::invalid_mutants_with_the_flag_exit_three ... ok
[INFO] [stdout] test tests::multi_file_sarif_uses_relative_artifact_uris ... ok
[INFO] [stdout] test tests::no_survivors_with_the_flag_exit_zero ... ok
[INFO] [stdout] test tests::json_serialization_includes_details_only_when_present ... ok
[INFO] [stdout] test tests::line_range_drops_mutants_outside_the_boundaries ... ok
[INFO] [stdout] test tests::result_summary_uses_null_score_when_no_mutants_were_evaluated ... ok
[INFO] [stdout] test tests::same_operator_survivors_have_distinct_sarif_fingerprints ... ok
[INFO] [stdout] test tests::line_range_keeps_both_inclusive_boundaries ... ok
[INFO] [stdout] test tests::skip_baseline_defaults_to_off_and_is_opt_in ... ok
[INFO] [stdout] test tests::skip_invalid_defaults_to_off_and_is_opt_in ... ok
[INFO] [stdout] test tests::survivor_takes_precedence_over_an_error ... ok
[INFO] [stdout] test tests::discovery_skips_test_files_and_ignored_directories ... ok
[INFO] [stdout] test tests::sarif_and_json_options_compose ... ok
[INFO] [stdout] test tests::survivors_with_the_flag_exit_two ... ok
[INFO] [stdout] test tests::same_operator_mutants_have_distinct_json_ids ... ok
[INFO] [stdout] test tests::survivors_without_the_flag_exit_zero ... ok
[INFO] [stdout] test tests::per_file_roll_up_counts_sum_to_the_overall_totals ... ok
[INFO] [stdout] test tests::stable_mutant_id_survives_a_line_shift ... ok
[INFO] [stdout] test tests::malformed_config_is_an_error ... ok
[INFO] [stdout] test tests::all_errors_with_the_flag_exit_three ... ok
[INFO] [stdout] test tests::unknown_config_key_is_an_error ... ok
[INFO] [stdout] test tests::config_supplies_values_when_cli_flags_are_absent ... ok
[INFO] [stdout] test tests::usage_lists_every_operator_and_status ... ok
[INFO] [stdout] test tests::unparseable_source_is_an_error_not_an_empty_result ... ok
[INFO] [stdout] test tests::unknown_operator_is_an_error ... ok
[INFO] [stdout] test tests::sarif_artifact_uris_are_relative ... ok
[INFO] [stdout] test tests::sarif_serialization_emits_one_result_for_a_surviving_mutant ... ok
[INFO] [stdout] test tests::sarif_serialization_omits_killed_mutants ... ok
[INFO] [stdout] test tests::result_summary_reports_counts_and_score_for_mixed_statuses ... ok
[INFO] [stdout] test tests::version_output_uses_the_package_version ... ok
[INFO] [stdout] test tests::hanging_baseline_times_out_and_kills_its_process_group ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/mutant_engine-f89faad8dc84e7cd)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.52s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::finds_return_in_nested_arrow_function ... ok
[INFO] [stdout] test tests::ignores_operator_text_in_strings_and_comments ... ok
[INFO] [stdout] test tests::mutates_logical_and_to_or ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/mutant_runner-7e6406b39edf8832)
[INFO] [stdout] test tests::mutates_logical_or_to_and ... ok
[INFO] [stdout] test tests::mutates_return_false_to_true ... ok
[INFO] [stdout] test tests::mutates_return_true_to_false ... ok
[INFO] [stdout] test tests::mutates_strict_inequality_to_strict_equality ... ok
[INFO] [stdout] test tests::results_are_stably_sorted_by_span ... ok
[INFO] [stdout] test tests::does_not_mutate_nonliteral_return ... ok
[INFO] [stdout] test tests::mutates_cond_boundary_gt ... ok
[INFO] [stdout] test tests::apply_replaces_only_the_ast_selected_operator ... ok
[INFO] [stdout] test tests::finds_each_supported_operator ... ok
[INFO] [stdout] test tests::mutates_strict_equality_to_strict_inequality ... ok
[INFO] [stdout] test tests::mutates_cond_boundary_lt ... ok
[INFO] [stdout] test tests::does_not_mutate_inclusive_comparisons ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::run_directory_and_work_roots_are_owner_only ... ok
[INFO] [stdout] test tests::mutant_work_root_uses_configured_tmpdir ... ok
[INFO] [stdout] test tests::preexisting_run_directory_is_not_reused ... ok
[INFO] [stderr] sh: 1: definitely-not-a-real-binary-xyz: not found
[INFO] [stdout] test tests::materialize_remaps_workspace_package_links_and_keeps_external_links ... ok
[INFO] [stdout] test tests::unavailable_test_command_is_an_error ... ok
[INFO] [stdout] test tests::nonzero_test_command_kills_the_mutant_and_uses_a_node_modules_entry ... ok
[INFO] [stdout] test tests::zero_test_command_survives_the_mutant ... ok
[INFO] [stdout] test tests::slow_test_command_times_out_without_being_killed_or_surviving ... ok
[INFO] [stdout] test tests::concurrency_limit_bounds_parallel_test_commands ... ok
[INFO] [stderr] /tmp/mutant-work/runner-materializations/1434-1792296034685335528-6/source.ts:1
[INFO] [stderr] const value = );
[INFO] [stderr]               ^
[INFO] [stderr] 
[INFO] [stderr] SyntaxError: Unexpected token ')'
[INFO] [stderr]     at wrapSafe (node:internal/modules/cjs/loader:1637:18)
[INFO] [stderr]     at checkSyntax (node:internal/main/check_syntax:78:3)
[INFO] [stderr] 
[INFO] [stderr] Node.js v22.22.1
[INFO] [stdout] test tests::invalid_mutant_skips_the_test_command ... ok
[INFO] [stdout] test tests::timeout_kills_background_processes_in_the_process_group ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::timeout_kills_background_processes_in_the_process_group stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::timeout_kills_background_processes_in_the_process_group' (1446) panicked at crates/runner/src/lib.rs:934:9:
[INFO] [stdout] background process 1477 remained alive after timeout
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62290b5a0b11 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x62290b5b5a2a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x62290b5a565c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x62290b579196 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x62290b596dc9 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x62290b50c3f0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x62290b5970f2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x62290b579242 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x62290b571c19 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x62290b579fed - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x62290b5b618c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x62290b4e7222 - mutant_runner[e2298b5b1dce597e]::tests::timeout_kills_background_processes_in_the_process_group::{closure#0}
[INFO] [stdout]   12:     0x62290b4eb323 - <tokio[f724467f98c0a7b7]::runtime::runtime::Runtime>::block_on::<core[df12db4294e9bfd3]::pin::Pin<&mut dyn core[df12db4294e9bfd3]::future::future::Future<Output = ()>>>
[INFO] [stdout]   13:     0x62290b4e93af - mutant_runner[e2298b5b1dce597e]::tests::timeout_kills_background_processes_in_the_process_group
[INFO] [stdout]   14:     0x62290b4f50a9 - <mutant_runner[e2298b5b1dce597e]::tests::timeout_kills_background_processes_in_the_process_group::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   15:     0x62290b4ff6db - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   16:     0x62290b50cd45 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   17:     0x62290b506604 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   18:     0x62290b50fea2 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   19:     0x62290b59fdb9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   20:     0x7b6c24649dfa - <unknown>
[INFO] [stdout]   21:     0x7b6c246dd3d4 - clone
[INFO] [stdout]   22:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::timeout_kills_background_processes_in_the_process_group
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p mutant-runner --lib`
[INFO] running `Command { std: "docker" "inspect" "a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51", kill_on_drop: false }`
[INFO] [stdout] a38102c7586fa58432fb2bf3f3000bfd6f1f9eeb4472ac2c8b16c0d1e6ce1e51
