[INFO] fetching crate murk-arena 0.1.9...
[INFO] testing murk-arena-0.1.9 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate murk-arena 0.1.9 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate murk-arena 0.1.9
[INFO] finished tweaking crates.io crate murk-arena 0.1.9
[INFO] tweaked toml for crates.io crate murk-arena 0.1.9 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate murk-arena 0.1.9 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate murk-arena 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9f11061e4427812f4abb22f4b14462dde297f22dfad8b5d4c4648a4dacef860
[INFO] running `Command { std: "docker" "start" "-a" "e9f11061e4427812f4abb22f4b14462dde297f22dfad8b5d4c4648a4dacef860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9f11061e4427812f4abb22f4b14462dde297f22dfad8b5d4c4648a4dacef860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f11061e4427812f4abb22f4b14462dde297f22dfad8b5d4c4648a4dacef860", kill_on_drop: false }`
[INFO] [stdout] e9f11061e4427812f4abb22f4b14462dde297f22dfad8b5d4c4648a4dacef860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 154d5e22d032e62c58db560500a858b6ebbd38645e81365243733c5620e6b7dc
[INFO] running `Command { std: "docker" "start" "-a" "154d5e22d032e62c58db560500a858b6ebbd38645e81365243733c5620e6b7dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling murk-core v0.1.9
[INFO] [stderr]    Compiling murk-arena v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "154d5e22d032e62c58db560500a858b6ebbd38645e81365243733c5620e6b7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154d5e22d032e62c58db560500a858b6ebbd38645e81365243733c5620e6b7dc", kill_on_drop: false }`
[INFO] [stdout] 154d5e22d032e62c58db560500a858b6ebbd38645e81365243733c5620e6b7dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2444a4d176fcd3d49aad679c4fb4152d2efeda767627d5fa5ae3326e1897a6c
[INFO] running `Command { std: "docker" "start" "-a" "c2444a4d176fcd3d49aad679c4fb4152d2efeda767627d5fa5ae3326e1897a6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling tempfile v3.25.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.10.0
[INFO] [stderr]    Compiling murk-arena v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.49s
[INFO] running `Command { std: "docker" "inspect" "c2444a4d176fcd3d49aad679c4fb4152d2efeda767627d5fa5ae3326e1897a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2444a4d176fcd3d49aad679c4fb4152d2efeda767627d5fa5ae3326e1897a6c", kill_on_drop: false }`
[INFO] [stdout] c2444a4d176fcd3d49aad679c4fb4152d2efeda767627d5fa5ae3326e1897a6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 006a305ab75952383c858a509eb3216e2d6c51933891935d5dbda3be042b3b22
[INFO] running `Command { std: "docker" "start" "-a" "006a305ab75952383c858a509eb3216e2d6c51933891935d5dbda3be042b3b22", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/murk_arena-78093b89fa06a21b)
[INFO] [stdout] 
[INFO] [stdout] running 120 tests
[INFO] [stdout] test descriptor::tests::duplicate_field_ids_returns_error ... ok
[INFO] [stdout] test config::tests::cell_count_preserved ... ok
[INFO] [stdout] test descriptor::tests::fields_by_mutability_filters ... ok
[INFO] [stdout] test config::tests::default_segment_size_is_64mb ... ok
[INFO] [stdout] test descriptor::tests::unknown_field_returns_none ... ok
[INFO] [stdout] test descriptor::tests::from_field_defs_creates_entries ... ok
[INFO] [stdout] test descriptor::tests::non_adjacent_duplicate_field_ids_returns_error ... ok
[INFO] [stdout] test descriptor::tests::total_len_is_cell_count_times_components ... ok
[INFO] [stdout] test descriptor::tests::overflow_cell_count_times_components_returns_error ... ok
[INFO] [stdout] test handle::tests::empty_handle ... ok
[INFO] [stdout] test handle::tests::handle_round_trip ... ok
[INFO] [stdout] test handle::tests::static_location_stores_offset_and_len ... ok
[INFO] [stdout] test pingpong::tests::begin_tick_and_write ... ok
[INFO] [stdout] test pingpong::tests::begin_tick_reentry_returns_error ... ok
[INFO] [stdout] test pingpong::tests::memory_bytes_is_positive ... ok
[INFO] [stdout] test pingpong::tests::double_publish_returns_error ... ok
[INFO] [stdout] test pingpong::tests::global_segment_budget_is_respected ... ok
[INFO] [stdout] test pingpong::tests::cancel_tick_allows_subsequent_begin_tick ... ok
[INFO] [stdout] test pingpong::tests::new_accepts_max_segments_of_3 ... ok
[INFO] [stdout] test pingpong::tests::multi_tick_round_trip ... ok
[INFO] [stdout] test pingpong::tests::new_arena_starts_at_generation_zero ... ok
[INFO] [stdout] test descriptor::tests::update_handle_changes_handle ... ok
[INFO] [stdout] test pingpong::tests::new_fails_when_static_field_missing_from_static_arena ... ok
[INFO] [stdout] test pingpong::tests::new_rejects_max_segments_below_3 ... ok
[INFO] [stdout] test pingpong::tests::new_rejects_segment_size_below_1024 ... ok
[INFO] [stdout] test pingpong::tests::owned_snapshot_sparse_stable_after_reuse ... ok
[INFO] [stdout] test pingpong::tests::new_rejects_non_power_of_two_segment_size ... ok
[INFO] [stdout] test pingpong::tests::ping_pong_alternates_buffers ... ok
[INFO] [stdout] test pingpong::tests::publish_without_begin_tick_returns_error ... ok
[INFO] [stdout] test pingpong::tests::publish_increments_generation ... ok
[INFO] [stdout] test pingpong::tests::new_accepts_segment_size_of_1024 ... ok
[INFO] [stdout] test pingpong::tests::new_fails_when_sparse_field_exceeds_segment_size ... ok
[INFO] [stdout] test pingpong::tests::reset_returns_to_initial_state ... ok
[INFO] [stdout] test pingpong::tests::scratch_resets_between_ticks ... ok
[INFO] [stdout] test pingpong::tests::snapshot_reads_published_data ... ok
[INFO] [stdout] test pingpong::tests::snapshot_metadata_matches_publish_args ... ok
[INFO] [stdout] test pingpong::tests::snapshot_reads_static_fields ... ok
[INFO] [stdout] test pingpong::tests::sparse_cow_does_not_leak_segment_memory ... ok
[INFO] [stdout] test pingpong::tests::sparse_field_persists_across_ticks ... ok
[INFO] [stdout] test pingpong::tests::sparse_metrics_reflect_cow_lifecycle ... ok
[INFO] [stdout] test pingpong::tests::reset_after_near_exhaustion_allows_continued_cow ... ok
[INFO] [stdout] test pingpong::tests::sparse_pending_retired_count_zero_at_start ... ok
[INFO] [stdout] test pingpong::tests::sparse_retired_range_count_zero_at_start ... ok
[INFO] [stdout] test pingpong::tests::vector_field_has_correct_size ... ok
[INFO] [stdout] test read::tests::read_per_tick_field ... ok
[INFO] [stdout] test read::tests::snapshot_metadata ... ok
[INFO] [stdout] test read::tests::test_owned_snapshot_independent_of_source ... ok
[INFO] [stdout] test read::tests::read_static_field ... ok
[INFO] [stdout] test read::tests::test_owned_snapshot_metadata ... ok
[INFO] [stdout] test read::tests::test_owned_snapshot_reads_per_tick ... ok
[INFO] [stdout] test read::tests::test_owned_snapshot_reads_static ... ok
[INFO] [stdout] test read::tests::test_owned_snapshot_unknown_field_none ... ok
[INFO] [stdout] test read::tests::unknown_field_returns_none ... ok
[INFO] [stdout] test scratch::tests::alloc_returns_zeroed_slice ... ok
[INFO] [stdout] test scratch::tests::memory_bytes_tracks_capacity ... ok
[INFO] [stdout] test scratch::tests::reset_allows_reuse ... ok
[INFO] [stdout] test scratch::tests::sequential_allocs_dont_overlap ... ok
[INFO] [stdout] test scratch::tests::zero_alloc_is_valid ... ok
[INFO] [stdout] test segment::tests::exactly_segment_size_alloc_succeeds ... ok
[INFO] [stdout] test segment::tests::oversized_alloc_returns_error_not_panic ... ok
[INFO] [stdout] test segment::tests::segment_alloc_fails_when_full ... ok
[INFO] [stdout] test segment::tests::segment_alloc_returns_zeroed_data ... ok
[INFO] [stdout] test segment::tests::segment_list_alloc_within_first_segment ... ok
[INFO] [stdout] test segment::tests::segment_list_capacity_exceeded ... ok
[INFO] [stdout] test segment::tests::segment_list_grows_on_overflow ... ok
[INFO] [stdout] test segment::tests::segment_list_reset ... ok
[INFO] [stdout] test segment::tests::segment_list_slice_returns_none_after_reset ... ok
[INFO] [stdout] test segment::tests::segment_list_slice_roundtrip ... ok
[INFO] [stdout] test segment::tests::segment_sequential_alloc ... ok
[INFO] [stdout] test segment::tests::segment_reset_allows_realloc ... ok
[INFO] [stdout] test segment::tests::segment_slice_reads_written_data ... ok
[INFO] [stdout] test segment::tests::segment_slice_returns_none_after_reset ... ok
[INFO] [stdout] test segment::tests::segment_slice_returns_none_beyond_cursor ... ok
[INFO] [stdout] test segment::tests::segment_slice_within_cursor_succeeds ... ok
[INFO] [stdout] test segment::tests::test_segment_clone_independent ... ok
[INFO] [stdout] test segment::tests::test_segment_clone_preserves_data ... ok
[INFO] [stdout] test segment::tests::test_segment_list_clone_independent ... ok
[INFO] [stdout] test segment::tests::test_segment_list_clone_preserves_slices ... ok
[INFO] [stdout] test sparse::tests::alloc_creates_live_slot ... ok
[INFO] [stdout] test sparse::tests::alloc_falls_back_to_bump_when_no_size_match ... ok
[INFO] [stdout] test sparse::tests::different_size_ranges_not_mixed ... ok
[INFO] [stdout] test sparse::tests::free_slots_are_reused ... ok
[INFO] [stdout] test sparse::tests::get_handle_returns_none_for_unknown ... ok
[INFO] [stdout] test sparse::tests::many_cow_writes_with_flush_stays_bounded ... ok
[INFO] [stdout] test sparse::tests::multiple_fields_tracked_independently ... ok
[INFO] [stdout] test sparse::tests::pending_retired_not_reused_before_flush ... ok
[INFO] [stdout] test scratch::tests::grows_beyond_initial_capacity ... ok
[INFO] [stdout] test scratch::tests::growth_overflow_falls_back_to_exact_fit ... ok
[INFO] [stdout] test segment::tests::segment_slice_mut_returns_none_after_reset ... ok
[INFO] [stdout] test sparse::tests::realloc_marks_old_slot_dead ... ok
[INFO] [stdout] test sparse::tests::retired_range_reused_after_flush ... ok
[INFO] [stdout] test sparse::tests::reuse_counters_accumulate_across_ticks ... ok
[INFO] [stdout] test sparse::tests::reuse_counters_reset ... ok
[INFO] [stdout] test sparse::tests::reuse_counters_start_at_zero ... ok
[INFO] [stdout] test sparse::tests::reuse_hit_after_flush ... ok
[INFO] [stdout] test sparse::tests::reuse_miss_on_fresh_alloc ... ok
[INFO] [stdout] test sparse::tests::reuse_miss_when_size_mismatch ... ok
[INFO] [stdout] test sparse::tests::three_fields_same_size_all_ranges_retired ... ok
[INFO] [stdout] test static_arena::tests::field_location_returns_offset_and_len ... ok
[INFO] [stdout] test static_arena::tests::fields_dont_overlap ... ok
[INFO] [stdout] test static_arena::tests::into_shared_creates_arc ... ok
[INFO] [stdout] test static_arena::tests::memory_bytes_accounts_for_all_fields ... ok
[INFO] [stdout] test static_arena::tests::new_accepts_distinct_field_ids ... ok
[INFO] [stdout] test static_arena::tests::new_creates_zeroed_storage ... ok
[INFO] [stdout] test sparse::tests::proptests::get_handle_returns_latest_generation ... ok
[INFO] [stdout] test descriptor::tests::proptests::len_equals_number_of_field_defs ... ok
[INFO] [stdout] test static_arena::tests::unknown_field_returns_none ... ok
[INFO] [stdout] test static_arena::tests::write_and_read_round_trip ... ok
[INFO] [stdout] test write::tests::read_per_tick_returns_data ... ok
[INFO] [stdout] test write::tests::write_per_tick_returns_mutable_slice ... ok
[INFO] [stdout] test write::tests::write_sparse_allocates_new_copy ... ok
[INFO] [stdout] test write::tests::write_static_returns_none ... ok
[INFO] [stdout] test write::tests::write_unknown_field_returns_none ... ok
[INFO] [stdout] test descriptor::tests::proptests::total_len_equals_cell_count_times_components ... ok
[INFO] [stdout] test sparse::tests::proptests::live_count_equals_distinct_fields ... ok
[INFO] [stdout] test sparse::tests::proptests::total_slots_bounded_by_alloc_count ... ok
[INFO] [stdout] test static_arena::tests::new_rejects_duplicate_field_ids - should panic ... ok
[INFO] [stdout] test static_arena::tests::new_rejects_non_adjacent_duplicate_field_ids - should panic ... ok
[INFO] [stdout] test pingpong::tests::test_owned_snapshot_survives_mutation ... ok
[INFO] [stdout] test pingpong::tests::test_owned_snapshot_from_arena ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 120 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests murk_arena
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/scratch.rs - scratch::ScratchRegion (line 17) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "006a305ab75952383c858a509eb3216e2d6c51933891935d5dbda3be042b3b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006a305ab75952383c858a509eb3216e2d6c51933891935d5dbda3be042b3b22", kill_on_drop: false }`
[INFO] [stdout] 006a305ab75952383c858a509eb3216e2d6c51933891935d5dbda3be042b3b22