[INFO] fetching crate seismograph 0.1.0...
[INFO] testing seismograph-0.1.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate seismograph 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate seismograph 0.1.0
[INFO] finished tweaking crates.io crate seismograph 0.1.0
[INFO] tweaked toml for crates.io crate seismograph 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seismograph 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate seismograph 0.1.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735
[INFO] running `Command { std: "docker" "start" "58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735", 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" "58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735", 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" "58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling seismograph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<u64>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stdout]   --> src/recorder/io.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 |         .fetch_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 45 -         .fetch_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stdout] 45 +         .try_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stdout]     --> src/recorder.rs:1096:10
[INFO] [stdout]      |
[INFO] [stdout] 1096 |         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]      |          ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]      |
[INFO] [stdout] 1096 -         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout] 1096 +         .try_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stdout]    --> src/snapshot.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 |         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 166 -         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout] 166 +         .try_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735", 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" "58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<u64>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stdout]   --> src/recorder/io.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 |         .fetch_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 45 -         .fetch_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stdout] 45 +         .try_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stdout]     --> src/recorder.rs:1096:10
[INFO] [stdout]      |
[INFO] [stdout] 1096 |         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]      |          ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]      |
[INFO] [stdout] 1096 -         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout] 1096 +         .try_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stdout]    --> src/snapshot.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 |         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 166 -         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout] 166 +         .try_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling seismograph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<u64>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stdout]   --> src/recorder/io.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 |         .fetch_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 45 -         .fetch_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stdout] 45 +         .try_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stdout]     --> src/recorder.rs:1096:10
[INFO] [stdout]      |
[INFO] [stdout] 1096 |         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]      |          ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]      |
[INFO] [stdout] 1096 -         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout] 1096 +         .try_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stdout]    --> src/snapshot.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 |         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 166 -         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout] 166 +         .try_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735", 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" "58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::Atomic::<u64>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stderr]   --> src/recorder/io.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 |         .fetch_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]    |
[INFO] [stderr] 45 -         .fetch_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stderr] 45 +         .try_update(Ordering::Relaxed, Ordering::Relaxed, |current| current.checked_add(1))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stderr]     --> src/recorder.rs:1096:10
[INFO] [stderr]      |
[INFO] [stderr] 1096 |         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stderr]      |          ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]      |
[INFO] [stderr] 1096 -         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stderr] 1096 +         .try_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stderr]    --> src/snapshot.rs:166:10
[INFO] [stderr]     |
[INFO] [stderr] 166 |         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stderr]     |          ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]     |
[INFO] [stderr] 166 -         .fetch_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stderr] 166 +         .try_update(Ordering::Release, Ordering::Acquire, |head| {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `seismograph` (lib) generated 3 warnings (run `cargo fix --lib -p seismograph` to apply 3 suggestions)
[INFO] [stderr] warning: `seismograph` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/seismograph/5063ebad069448fc/out/seismograph-5063ebad069448fc)
[INFO] [stdout] 
[INFO] [stdout] running 74 tests
[INFO] [stdout] test recorder::event::tests::representative_event_kinds_report_each_class ... ok
[INFO] [stdout] test recorder::io::tests::resource_kinds_round_trip_wire_values ... ok
[INFO] [stdout] test recorder::tests::capacities_require_bounded_powers_of_two ... ok
[INFO] [stdout] test recorder::event::tests::payload_accessors_distinguish_all_payload_shapes ... ok
[INFO] [stdout] test recorder::event::tests::every_event_kind_round_trips_its_stable_wire_value ... ok
[INFO] [stdout] test recorder::event::tests::record_constructors_select_payload_and_sampling_identity ... ok
[INFO] [stdout] test recorder::io::tests::outcomes_round_trip_wire_values ... ok
[INFO] [stdout] test recorder::io::tests::allocated_identities_are_nonzero_and_process_monotonic ... ok
[INFO] [stdout] test recorder::tests::equal_capacity_reuses_the_existing_ring_between_sessions ... ok
[INFO] [stdout] test recorder::io::tests::identities_reject_zero_stable_values ... ok
[INFO] [stdout] test recorder::tests::bounded_ring_wraparound_preserves_generation_and_thread_metadata ... ok
[INFO] [stdout] test recorder::event::tests::clocks_report_metadata_and_reject_unknown_values ... ok
[INFO] [stdout] test recorder::tests::object_sampling_accepts_bounded_arbitrary_denominators ... ok
[INFO] [stdout] test recorder::tests::object_sampling_hash_has_stable_decisions ... ok
[INFO] [stdout] test recorder::event::tests::pointer_identities_preserve_numeric_addresses ... ok
[INFO] [stdout] test recorder::tests::object_sampling_selects_approximately_one_in_x_objects ... ok
[INFO] [stdout] test recorder::tests::event_classes_are_enabled_independently_before_record_construction ... ok
[INFO] [stdout] test recorder::tests::cache_policy_participates_in_global_enablement ... ok
[INFO] [stdout] test recorder::tests::recording_during_tls_teardown_ignores_destroyed_local_recorder ... ok
[INFO] [stdout] test recorder::tests::release_snapshot_quiesces_concurrent_recording ... ok
[INFO] [stdout] test recorder::tests::runtime_events_can_override_global_backtrace_capture ... ok
[INFO] [stdout] test recorder::tests::runtime_events_round_trip_through_snapshot_model ... ok
[INFO] [stdout] test recorder::tests::destructive_snapshot_restores_policies_and_starts_a_new_generation ... ok
[INFO] [stdout] test recorder::tests::capacity_sampling_sessions_and_suppression_helpers_cover_boundaries ... ok
[INFO] [stdout] test recorder::tests::configuration_changes_rotate_sessions_and_preserve_exact_policies ... ok
[INFO] [stdout] test recorder::tests::destructive_snapshot_releases_retired_thread_ring ... ok
[INFO] [stdout] test recorder::tests::stack_capture_returns_real_frames_within_the_fixed_capacity ... ok
[INFO] [stdout] test recorder::tests::destructive_snapshots_clear_or_release_buffers ... ok
[INFO] [stdout] test recorder::tests::disabled_recording_does_not_construct_events ... ok
[INFO] [stdout] test recorder::tests::symbol_lookup_address_preserves_recorded_identity_semantics ... ok
[INFO] [stdout] test recorder::tests::zero_initialized_policy_uses_default_sampling ... ok
[INFO] [stdout] test recorder::tests::unsampled_and_stale_sessions_are_rejected ... ok
[INFO] [stdout] test snapshot::tests::current_format_round_trips_all_payload_and_heap_shapes ... ok
[INFO] [stdout] test snapshot::tests::declared_collection_counts_must_fit_in_remaining_bytes ... ok
[INFO] [stdout] test snapshot::tests::current_snapshot_round_trips_lock_poison_events ... ok
[INFO] [stdout] test snapshot::tests::local_source_chains_detect_duplicates_and_capture_failures ... ok
[INFO] [stdout] test snapshot::tests::fixed_buffer_reader_and_writer_reject_short_storage ... ok
[INFO] [stdout] test snapshot::tests::legacy_allocation_and_object_validation_paths_are_decoded ... ok
[INFO] [stdout] test snapshot::tests::malformed_event_headers_are_rejected ... ok
[INFO] [stdout] test snapshot::tests::malformed_headers_policies_clocks_sources_and_payloads_are_rejected ... ok
[INFO] [stdout] test snapshot::tests::optional_runtime_and_io_identities_encode_and_decode ... ok
[INFO] [stdout] test snapshot::tests::payload_reserved_fields_and_packed_metadata_are_enforced ... ok
[INFO] [stdout] test snapshot::tests::policy_clock_and_event_boundaries_accept_only_exact_wire_shapes ... ok
[INFO] [stdout] test snapshot::tests::payload_validation_rejects_mismatched_event_kinds ... ok
[INFO] [stdout] test snapshot::tests::snapshot_arena_can_be_suspended_for_persistent_allocations ... ok
[INFO] [stdout] test snapshot::tests::snapshot_arena_recognizes_its_allocations ... ok
[INFO] [stdout] test snapshot::tests::snapshot_round_trips_independent_recording_policies ... ok
[INFO] [stdout] test snapshot::tests::system_bytes_and_arena_cover_empty_dedicated_and_parent_storage ... ok
[INFO] [stdout] test snapshot::tests::version_five_policies_and_legacy_thread_names_are_compatible ... ok
[INFO] [stdout] test snapshot::tests::version_four_round_trips_timestamp_and_runtime_payload ... ok
[INFO] [stdout] test snapshot::tests::version_one_events_decode_without_names_or_allocation_fields ... ok
[INFO] [stdout] test snapshot::tests::version_seven_policies_default_cache_recording_to_disabled ... ok
[INFO] [stdout] test snapshot::tests::snapshot_arena_releases_all_owned_chunks ... ok
[INFO] [stdout] test system::tests::empty_storage_and_mutable_access_are_supported ... ok
[INFO] [stdout] test snapshot::tests::version_three_measurements_decode_into_numeric_payloads ... ok
[INFO] [stdout] test system::tests::storage_preserves_length_alignment_and_drops_elements ... ok
[INFO] [stdout] test recorder::tests::destructive_snapshot_waits_until_an_active_writer_finishes ... ok
[INFO] [stdout] test system::tests::zero_sized_elements_are_initialized_and_dropped ... ok
[INFO] [stdout] test tests::errors_report_context_and_sources ... ok
[INFO] [stdout] test snapshot::tests::source_storage_debug_and_file_persistence_work ... FAILED
[INFO] [stdout] test system::tests::initialization_panic_drops_the_initialized_prefix ... ok
[INFO] [stdout] test tests::session_wrappers_record_only_in_the_selected_class ... ok
[INFO] [stdout] test recorder::tests::every_recording_class_controls_global_and_class_enablement ... ok
[INFO] [stdout] test recorder::tests::lock_guards_and_slots_publish_each_state_transition ... ok
[INFO] [stdout] test recorder::tests::current_thread_id_is_stable ... ok
[INFO] [stdout] test snapshot::tests::arena_absence_and_large_layout_failures_are_reported ... ok
[INFO] [stdout] test recorder::tests::lock_spin_paths_complete_after_contention ... ok
[INFO] [stdout] test recorder::tests::object_sampling_keeps_or_drops_complete_object_histories ... ok
[INFO] [stdout] test recorder::tests::backtrace_and_empty_recorder_paths_are_explicit ... ok
[INFO] [stdout] test recorder::tests::record_rejects_events_from_a_different_class ... ok
[INFO] [stdout] test recorder::tests::recorder_rejects_each_stale_state_dimension ... ok
[INFO] [stdout] test recorder::tests::runtime_sampling_uses_the_subject_identity ... ok
[INFO] [stdout] test snapshot::tests::snapshot_round_trips_events_and_sources ... ok
[INFO] [stdout] test recorder::tests::selection_revalidation_rejects_each_stale_dimension ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- snapshot::tests::source_storage_debug_and_file_persistence_work stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'snapshot::tests::source_storage_debug_and_file_persistence_work' (292) panicked at src/snapshot.rs:1491:40:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Error(failed to write seismograph snapshot to /opt/rustwide/workdir/../../target/seismograph-snapshot-225.bin: No such file or directory (os error 2))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bd863b42921 - std[617be2ca0a6fd877]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bd863b42921 - std[617be2ca0a6fd877]::backtrace_rs::backtrace::trace_unsynchronized::<std[617be2ca0a6fd877]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bd863b42921 - std[617be2ca0a6fd877]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5bd863b42921 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5bd863b56f8a - <core[a373ad73a504971]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5bd863b56f8a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    6:     0x5bd863b46bac - core[a373ad73a504971]::io::write::default_write_fmt::<alloc[2e1b2a31b91974c5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/io/write.rs:402:11
[INFO] [stdout]    7:     0x5bd863b46bac - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/io/write.rs:335:13
[INFO] [stdout]    8:     0x5bd863b1e246 - <std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5bd863b1e246 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:289:27
[INFO] [stdout]   10:     0x5bd863b3a6d9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:313:9
[INFO] [stdout]   11:     0x5bd863ad64b0 - <alloc[2e1b2a31b91974c5]::boxed::Box<dyn for<'a, 'b> core[a373ad73a504971]::ops::function::Fn<(&'a std[617be2ca0a6fd877]::panic::PanicHookInfo<'b>,), Output = ()> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::marker::Send> as core[a373ad73a504971]::ops::function::Fn<(&std[617be2ca0a6fd877]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/alloc/src/boxed.rs:2328:9
[INFO] [stdout]   12:     0x5bd863ad64b0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5bd863b3aa02 - <alloc[2e1b2a31b91974c5]::boxed::Box<dyn for<'a, 'b> core[a373ad73a504971]::ops::function::Fn<(&'a std[617be2ca0a6fd877]::panic::PanicHookInfo<'b>,), Output = ()> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::marker::Send> as core[a373ad73a504971]::ops::function::Fn<(&std[617be2ca0a6fd877]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/alloc/src/boxed.rs:2328:9
[INFO] [stdout]   14:     0x5bd863b3aa02 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:819:13
[INFO] [stdout]   15:     0x5bd863b1e2f2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:685:13
[INFO] [stdout]   16:     0x5bd863b16dc9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5bd863b1eefd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:676:5
[INFO] [stdout]   18:     0x5bd863b5777c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5bd863b574d2 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:1870:5
[INFO] [stdout]   20:     0x5bd863a47943 - <core[a373ad73a504971]::result::Result<(), seismograph[e4de776438b76319]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:1232:23
[INFO] [stdout]   21:     0x5bd863a47943 - seismograph[e4de776438b76319]::snapshot::tests::source_storage_debug_and_file_persistence_work
[INFO] [stdout]                                at /opt/rustwide/workdir/src/snapshot.rs:1491:40
[INFO] [stdout]   22:     0x5bd863a44e07 - seismograph[e4de776438b76319]::snapshot::tests::source_storage_debug_and_file_persistence_work::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/snapshot.rs:1454:56
[INFO] [stdout]   23:     0x5bd863a90fb6 - <seismograph[e4de776438b76319]::snapshot::tests::source_storage_debug_and_file_persistence_work::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5bd863ac98fb - <fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String> as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5bd863ac98fb - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:701:18
[INFO] [stdout]   26:     0x5bd863ad6ad5 - test[aada8e7e76ba119b]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:724:74
[INFO] [stdout]   27:     0x5bd863ad6ad5 - <core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<test[aada8e7e76ba119b]::run_test_in_process::{closure#0}> as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5bd863ad6ad5 - std[617be2ca0a6fd877]::panicking::catch_unwind::do_call::<core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<test[aada8e7e76ba119b]::run_test_in_process::{closure#0}>, core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:573:43
[INFO] [stdout]   29:     0x5bd863ad6ad5 - std[617be2ca0a6fd877]::panicking::catch_unwind::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<test[aada8e7e76ba119b]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:541:19
[INFO] [stdout]   30:     0x5bd863ad6ad5 - std[617be2ca0a6fd877]::panic::catch_unwind::<core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<test[aada8e7e76ba119b]::run_test_in_process::{closure#0}>, core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5bd863ad6ad5 - test[aada8e7e76ba119b]::run_test_in_process
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:724:27
[INFO] [stdout]   32:     0x5bd863ad6ad5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:645:43
[INFO] [stdout]   33:     0x5bd863ad03c4 - test[aada8e7e76ba119b]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:675:41
[INFO] [stdout]   34:     0x5bd863ad03c4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5bd863ad9b62 - std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5bd863ad9b62 - <core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5bd863ad9b62 - std[617be2ca0a6fd877]::panicking::catch_unwind::do_call::<core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:573:43
[INFO] [stdout]   38:     0x5bd863ad9b62 - std[617be2ca0a6fd877]::panicking::catch_unwind::<(), core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:541:19
[INFO] [stdout]   39:     0x5bd863ad9b62 - std[617be2ca0a6fd877]::panic::catch_unwind::<core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5bd863ad9b62 - std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5bd863ad9b62 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5bd863b41c7f - <alloc[2e1b2a31b91974c5]::boxed::Box<dyn core[a373ad73a504971]::ops::function::FnOnce<(), Output = ()> + core[a373ad73a504971]::marker::Send> as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/alloc/src/boxed.rs:2314:9
[INFO] [stdout]   43:     0x5bd863b41c7f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7ed50351ddfa - <unknown>
[INFO] [stdout]   45:     0x7ed5035b13d4 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     snapshot::tests::source_storage_debug_and_file_persistence_work
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 73 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735", kill_on_drop: false }`
[INFO] [stdout] 58927b35f426ab471e11337f908539735d26417f5d1cec909f9c9e3d5f36f735
