[INFO] fetching crate mesocarp 0.10.1...
[INFO] testing mesocarp-0.10.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate mesocarp 0.10.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mesocarp 0.10.1
[INFO] finished tweaking crates.io crate mesocarp 0.10.1
[INFO] tweaked toml for crates.io crate mesocarp 0.10.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mesocarp 0.10.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mesocarp 0.10.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2343c7605b2ae9a974b9ce32da220f21aabc81a6ccc2767fd77aeae28439ccf4
[INFO] running `Command { std: "docker" "start" "-a" "2343c7605b2ae9a974b9ce32da220f21aabc81a6ccc2767fd77aeae28439ccf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2343c7605b2ae9a974b9ce32da220f21aabc81a6ccc2767fd77aeae28439ccf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2343c7605b2ae9a974b9ce32da220f21aabc81a6ccc2767fd77aeae28439ccf4", kill_on_drop: false }`
[INFO] [stdout] 2343c7605b2ae9a974b9ce32da220f21aabc81a6ccc2767fd77aeae28439ccf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5881fbe0852d6583b5c3f2a8e4ce3e3424e265d2846ecbf14ec58c3f8d21ec0
[INFO] running `Command { std: "docker" "start" "-a" "f5881fbe0852d6583b5c3f2a8e4ce3e3424e265d2846ecbf14ec58c3f8d21ec0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling mesocarp v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.85s
[INFO] running `Command { std: "docker" "inspect" "f5881fbe0852d6583b5c3f2a8e4ce3e3424e265d2846ecbf14ec58c3f8d21ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5881fbe0852d6583b5c3f2a8e4ce3e3424e265d2846ecbf14ec58c3f8d21ec0", kill_on_drop: false }`
[INFO] [stdout] f5881fbe0852d6583b5c3f2a8e4ce3e3424e265d2846ecbf14ec58c3f8d21ec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e31ac25b8d2f76d50602a2334a1b60a36984765492de0defcd59f67921481e7a
[INFO] running `Command { std: "docker" "start" "-a" "e31ac25b8d2f76d50602a2334a1b60a36984765492de0defcd59f67921481e7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mesocarp v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "e31ac25b8d2f76d50602a2334a1b60a36984765492de0defcd59f67921481e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31ac25b8d2f76d50602a2334a1b60a36984765492de0defcd59f67921481e7a", kill_on_drop: false }`
[INFO] [stdout] e31ac25b8d2f76d50602a2334a1b60a36984765492de0defcd59f67921481e7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 435e287ad7d6c00d12b912d00e81efc940113a2ae112760591817009a66a6b6f
[INFO] running `Command { std: "docker" "start" "-a" "435e287ad7d6c00d12b912d00e81efc940113a2ae112760591817009a66a6b6f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mesocarp-a08ed35bb9f1d48e)
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test comms::spmc::broadcast_tests::test_buffer_wrap_around_single_consumer_polling_interleaved ... ok
[INFO] [stdout] test comms::spmc::broadcast_tests::test_consumer_registration_point ... ok
[INFO] [stdout] test comms::spmc::broadcast_tests::test_new_broadcast_wheel_n_zero ... ok
[INFO] [stdout] test comms::spmc::broadcast_tests::test_new_broadcast_wheel ... ok
[INFO] [stdout] test comms::spmc::broadcast_tests::test_slow_consumer_misses_messages_due_to_lapping ... ok
[INFO] [stdout] test comms::spmc::broadcast_tests::test_single_producer_single_consumer_basic ... ok
[INFO] [stdout] test comms::buses::tests::test_world_creation_and_mapping ... ok
[INFO] [stdout] test comms::buses::tests::test_message_routing ... ok
[INFO] [stdout] test comms::buses::tests::test_broadcast_routing ... ok
[INFO] [stdout] test comms::spmc::broadcast_tests::test_multiple_consumers_different_registration_times ... ok
[INFO] [stdout] test comms::spmc::worker_queue_tests::test_buffer_wrap_around_single_consumer ... ok
[INFO] [stdout] test comms::spmc::worker_queue_tests::test_new_work_queue ... ok
[INFO] [stdout] test comms::spmc::worker_queue_tests::test_single_producer_single_consumer_basic ... ok
[INFO] [stdout] test comms::spmc::worker_queue_tests::test_work_queue_full ... ok
[INFO] [stdout] test comms::spmc::worker_queue_tests::test_new_work_queue_zero_size ... ok
[INFO] [stdout] test comms::spsc::spsc_tests::capacity_full_and_recover ... ok
[INFO] [stdout] test comms::spsc::spsc_tests::sequential_write_read ... ok
[INFO] [stdout] test logging::journal::tests::test_arena_boundary_edge_case ... ok
[INFO] [stdout] test logging::journal::tests::test_allocation_flag_corruption_resistance ... ok
[INFO] [stdout] test logging::journal::tests::test_btreeset_duplicate_handling ... ok
[INFO] [stdout] test logging::journal::tests::test_btreeset_ordering_maintained ... ok
[INFO] [stdout] test logging::journal::tests::test_cleanup_returns_correct_data ... ok
[INFO] [stdout] test logging::journal::tests::stress_test_massive_simulation ... ok
[INFO] [stdout] test logging::journal::tests::test_deterministic_replay ... ok
[INFO] [stdout] test logging::journal::tests::test_alignment_edge_cases ... ok
[INFO] [stdout] test logging::journal::tests::test_empty_rollback ... ok
[INFO] [stdout] test logging::journal::tests::test_massive_allocations_and_rollback ... ok
[INFO] [stdout] test logging::journal::tests::test_mixed_types_and_alignments ... ok
[INFO] [stdout] test logging::journal::tests::test_multi_timeline_merge_scenario ... ok
[INFO] [stdout] test logging::journal::tests::test_extreme_time_values ... ok
[INFO] [stdout] test logging::journal::tests::test_horizon_garbage_collection ... ok
[INFO] [stdout] test logging::journal::tests::test_rapid_rollback_cycles ... ok
[INFO] [stdout] test comms::spsc::spsc_tests::spsc_concurrent_spinning ... ok
[INFO] [stdout] test logging::journal::tests::test_arena_counter_accuracy ... ok
[INFO] [stdout] test logging::journal::tests::test_repeated_rollback_to_same_time ... ok
[INFO] [stdout] test logging::journal::tests::test_rollback_exactly_on_state ... ok
[INFO] [stdout] test logging::journal::tests::test_pathological_allocation_pattern ... ok
[INFO] [stdout] test logging::journal::tests::test_rollback_return_claims_data ... ok
[INFO] [stdout] test logging::journal::tests::test_network_rollback_scenario ... ok
[INFO] [stdout] test logging::journal::tests::test_rollback_with_same_timestamp ... ok
[INFO] [stdout] test logging::journal::tests::test_time_travel_branching ... ok
[INFO] [stdout] test logging::journal::tests::test_type_punning_safety ... ok
[INFO] [stdout] test comms::spsc::spsc_tests::spsc_concurrent_alternating_write_read ... ok
[INFO] [stdout] test comms::spsc::spsc_tests::spsc_concurrent_consumer_faster ... ok
[INFO] [stdout] test comms::spsc::spsc_tests::spsc_concurrent_producer_faster ... ok
[INFO] [stdout] test comms::spsc::bufferwheel_brutal_stress_tests::test_cache_line_contention ... ok
[INFO] [stdout] test comms::spsc::spsc_tests::spsc_concurrent_large_buffer ... ok
[INFO] [stdout] test comms::spmc::worker_queue_tests::test_multiple_consumers_contention ... ok
[INFO] [stdout] test comms::spsc::bufferwheel_brutal_stress_tests::test_multiple_isolated_buffers ... ok
[INFO] [stdout] test comms::spmc::broadcast_tests::test_spmc_concurrent_monotonicity ... ok
[INFO] [stdout] test comms::buses::threaded_messenger_stress_tests::stress_test_all_to_all_direct_messages ... ok
[INFO] [stdout] test comms::spsc::bufferwheel_brutal_stress_tests::test_tiny_buffer_high_contention ... ok
[INFO] [stdout] test comms::spmc::worker_queue_tests::test_concurrent_push_and_consume ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mesocarp
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "435e287ad7d6c00d12b912d00e81efc940113a2ae112760591817009a66a6b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "435e287ad7d6c00d12b912d00e81efc940113a2ae112760591817009a66a6b6f", kill_on_drop: false }`
[INFO] [stdout] 435e287ad7d6c00d12b912d00e81efc940113a2ae112760591817009a66a6b6f