[INFO] fetching crate phosphor-core 0.3.5...
[INFO] testing phosphor-core-0.3.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate phosphor-core 0.3.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate phosphor-core 0.3.5
[INFO] finished tweaking crates.io crate phosphor-core 0.3.5
[INFO] tweaked toml for crates.io crate phosphor-core 0.3.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate phosphor-core 0.3.5 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate phosphor-core 0.3.5 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19e62f2950908530ba03f4c220a4d26bb2dc9d2b98dbc700f2b92721dcf7da77
[INFO] running `Command { std: "docker" "start" "-a" "19e62f2950908530ba03f4c220a4d26bb2dc9d2b98dbc700f2b92721dcf7da77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19e62f2950908530ba03f4c220a4d26bb2dc9d2b98dbc700f2b92721dcf7da77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e62f2950908530ba03f4c220a4d26bb2dc9d2b98dbc700f2b92721dcf7da77", kill_on_drop: false }`
[INFO] [stdout] 19e62f2950908530ba03f4c220a4d26bb2dc9d2b98dbc700f2b92721dcf7da77
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85a1a8ae59ce69f986450e448ccd625bca890af8450120ea520b5633d9f20a8b
[INFO] running `Command { std: "docker" "start" "-a" "85a1a8ae59ce69f986450e448ccd625bca890af8450120ea520b5633d9f20a8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling wmidi v4.0.10
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling ringbuf v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling phosphor-plugin v0.3.5
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling midir v0.10.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling phosphor-midi v0.3.5
[INFO] [stderr]    Compiling phosphor-core v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.22s
[INFO] running `Command { std: "docker" "inspect" "85a1a8ae59ce69f986450e448ccd625bca890af8450120ea520b5633d9f20a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a1a8ae59ce69f986450e448ccd625bca890af8450120ea520b5633d9f20a8b", kill_on_drop: false }`
[INFO] [stdout] 85a1a8ae59ce69f986450e448ccd625bca890af8450120ea520b5633d9f20a8b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 412449fbdaf80637bfa48ce7bcb1e330611abc443b4eca5a3533cb70f45f6875
[INFO] running `Command { std: "docker" "start" "-a" "412449fbdaf80637bfa48ce7bcb1e330611abc443b4eca5a3533cb70f45f6875", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]    Compiling dasp_frame v0.11.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.47
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling dasp_ring_buffer v0.11.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling dasp_window v0.11.1
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling ringbuf v0.4.8
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling assert_no_alloc v1.1.2
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling dasp_rms v0.11.0
[INFO] [stderr]    Compiling dasp_peak v0.11.0
[INFO] [stderr]    Compiling dasp_interpolate v0.11.0
[INFO] [stderr]    Compiling dasp_slice v0.11.0
[INFO] [stderr]    Compiling dasp_envelope v0.11.0
[INFO] [stderr]    Compiling dasp_signal v0.11.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling dasp v0.11.0
[INFO] [stderr]    Compiling midir v0.10.3
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling phosphor-dsp v0.3.5
[INFO] [stderr]    Compiling phosphor-midi v0.3.5
[INFO] [stderr]    Compiling phosphor-core v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.10.0
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 26.39s
[INFO] running `Command { std: "docker" "inspect" "412449fbdaf80637bfa48ce7bcb1e330611abc443b4eca5a3533cb70f45f6875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412449fbdaf80637bfa48ce7bcb1e330611abc443b4eca5a3533cb70f45f6875", kill_on_drop: false }`
[INFO] [stdout] 412449fbdaf80637bfa48ce7bcb1e330611abc443b4eca5a3533cb70f45f6875
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05cd20e15b4b7d64257dff8ebc90a423669d232fcefd0a7d4d0884f95ff9fa0d
[INFO] running `Command { std: "docker" "start" "-a" "05cd20e15b4b7d64257dff8ebc90a423669d232fcefd0a7d4d0884f95ff9fa0d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/phosphor_core-5e574f5bd7476138)
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test audio::tests::test_backend_captures_silence ... ok
[INFO] [stdout] test clip::tests::clip_snapshot_closes_pending_notes ... ok
[INFO] [stdout] test clip::tests::clip_snapshot_pairs_notes ... ok
[INFO] [stdout] test audio::tests::test_backend_correct_metadata ... ok
[INFO] [stdout] test clip::tests::clip_events_in_range ... ok
[INFO] [stdout] test clip::tests::clip_events_outside_range_excluded ... ok
[INFO] [stdout] test audio::tests::test_backend_captures_signal ... ok
[INFO] [stdout] test clip::tests::note_snapshot_to_clip_events_round_trip ... ok
[INFO] [stdout] test clip::tests::discard_clears_buffer ... ok
[INFO] [stdout] test clip::tests::edited_snapshot_produces_different_events ... ok
[INFO] [stdout] test clip::tests::record_buffer_captures_events ... ok
[INFO] [stdout] test clip::tests::record_buffer_empty_returns_none ... ok
[INFO] [stdout] test engine::tests::engine_advances_transport ... ok
[INFO] [stdout] test clip::tests::record_buffer_stores_relative_ticks ... ok
[INFO] [stdout] test engine::tests::engine_produces_silence_with_no_midi ... ok
[INFO] [stdout] test mixer::tests::mixer_empty_output ... ok
[INFO] [stdout] test metronome::tests::metronome_silent_when_not_playing ... ok
[INFO] [stdout] test mixer::tests::mixer_live_midi_produces_sound ... ok
[INFO] [stdout] test metronome::tests::metronome_silent_when_off ... ok
[INFO] [stdout] test mixer::tests::mixer_no_record_when_not_armed ... ok
[INFO] [stdout] test metronome::tests::metronome_produces_sound_when_on ... ok
[INFO] [stdout] test mixer::tests::mixer_plays_back_recorded_clip ... ok
[INFO] [stdout] test project::tests::track_config_defaults ... ok
[INFO] [stdout] test project::tests::track_config_volume_round_trip ... ok
[INFO] [stdout] test project::tests::track_handle_new ... ok
[INFO] [stdout] test tests::buffer_duration_calculation ... ok
[INFO] [stdout] test project::tests::track_kind_variants ... ok
[INFO] [stdout] test tests::buffer_duration_various_sizes ... ok
[INFO] [stdout] test tests::default_config_is_sensible ... ok
[INFO] [stdout] test transport::tests::advance_does_nothing_when_stopped ... ok
[INFO] [stdout] test transport::tests::advance_moves_position ... ok
[INFO] [stdout] test transport::tests::loop_wraps_position ... ok
[INFO] [stdout] test transport::tests::position_string_formatting ... ok
[INFO] [stdout] test transport::tests::play_pause_stop ... ok
[INFO] [stdout] test mixer::tests::mixer_records_midi_clip ... ok
[INFO] [stdout] test mixer::tests::mixer_reset_commits_recording ... ok
[INFO] [stdout] test engine::tests::engine_output_is_stereo ... ok
[INFO] [stdout] test engine::tests::engine_produces_sound_from_midi ... ok
[INFO] [stdout] test transport::tests::tick_sample_conversion_round_trip ... ok
[INFO] [stdout] test transport::tests::transport_starts_stopped ... ok
[INFO] [stdout] test project::tests::track_config_atomics ... ok
[INFO] [stdout] test transport::tests::snapshot_reflects_current_state ... ok
[INFO] [stdout] test transport::tests::tempo_set_and_read ... ok
[INFO] [stdout] test metronome::tests::click_sounds_differ_by_beat_type ... ok
[INFO] [stdout] test mixer::tests::mixer_mute_silences ... ok
[INFO] [stdout] test transport::tests::loop_wraps_at_boundary ... ok
[INFO] [stdout] test mixer::tests::end_to_end_record_and_playback ... ok
[INFO] [stdout] test metronome::tests::metronome_output_is_finite ... ok
[INFO] [stdout] test engine::tests::engine_note_off_leads_to_silence ... ok
[INFO] [stdout] test engine::tests::engine_output_always_finite ... ok
[INFO] [stdout] test mixer::tests::loop_record_commits_on_wrap ... ok
[INFO] [stdout] test mixer::tests::loop_playback_after_record ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests phosphor_core
[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" "05cd20e15b4b7d64257dff8ebc90a423669d232fcefd0a7d4d0884f95ff9fa0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05cd20e15b4b7d64257dff8ebc90a423669d232fcefd0a7d4d0884f95ff9fa0d", kill_on_drop: false }`
[INFO] [stdout] 05cd20e15b4b7d64257dff8ebc90a423669d232fcefd0a7d4d0884f95ff9fa0d
