[INFO] fetching crate music-timer 0.1.6...
[INFO] testing music-timer-0.1.6 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate music-timer 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate music-timer 0.1.6 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate music-timer 0.1.6
[INFO] finished tweaking crates.io crate music-timer 0.1.6
[INFO] tweaked toml for crates.io crate music-timer 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate music-timer 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a534d9a5eb03ac639bfd0642e1bc996db704e4f21f5d6835ada45da52623dbd2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a534d9a5eb03ac639bfd0642e1bc996db704e4f21f5d6835ada45da52623dbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a534d9a5eb03ac639bfd0642e1bc996db704e4f21f5d6835ada45da52623dbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a534d9a5eb03ac639bfd0642e1bc996db704e4f21f5d6835ada45da52623dbd2", kill_on_drop: false }`
[INFO] [stdout] a534d9a5eb03ac639bfd0642e1bc996db704e4f21f5d6835ada45da52623dbd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 874de7fe56086807f6ea8de4a828e4d0c8d698663babee4f78e20f4ad5e40c5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "874de7fe56086807f6ea8de4a828e4d0c8d698663babee4f78e20f4ad5e40c5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling music-timer v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "874de7fe56086807f6ea8de4a828e4d0c8d698663babee4f78e20f4ad5e40c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874de7fe56086807f6ea8de4a828e4d0c8d698663babee4f78e20f4ad5e40c5d", kill_on_drop: false }`
[INFO] [stdout] 874de7fe56086807f6ea8de4a828e4d0c8d698663babee4f78e20f4ad5e40c5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72e46c087b5226454f7b334fcdd3480d98f9215d7482db750a4a291897f6b612
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "72e46c087b5226454f7b334fcdd3480d98f9215d7482db750a4a291897f6b612", kill_on_drop: false }`
[INFO] [stderr]    Compiling music-timer v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "72e46c087b5226454f7b334fcdd3480d98f9215d7482db750a4a291897f6b612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e46c087b5226454f7b334fcdd3480d98f9215d7482db750a4a291897f6b612", kill_on_drop: false }`
[INFO] [stdout] 72e46c087b5226454f7b334fcdd3480d98f9215d7482db750a4a291897f6b612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51e163807b895045c6d12a4e79bb0564c0ae0a40d6e35b329c1b8bd313ec14a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "51e163807b895045c6d12a4e79bb0564c0ae0a40d6e35b329c1b8bd313ec14a6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/music_timer-567beb127b8b3714)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test music_time::tests::test_advance ... ok
[INFO] [stdout] test music_time::tests::test_advance_beat_interval ... ok
[INFO] [stdout] test music_time::tests::test_event_sort ... ok
[INFO] [stdout] test music_time::tests::test_order ... ok
[INFO] [stdout] test music_time_counter::tests::test_beat_interval_target_frames ... ok
[INFO] [stdout] test music_time_counter::tests::test_beat_target_frames ... ok
[INFO] [stdout] test music_time_counter::tests::test_set_current_time ... ok
[INFO] [stdout] test time_signature::tests::test_equality ... ok
[INFO] [stdout] test time_signature::tests::test_valid ... ok
[INFO] [stdout] test music_time::tests::test_equality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib_interface.rs (/opt/rustwide/target/debug/deps/lib_interface-bf303ccfb3648ca3)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_performance_example ... ok
[INFO] [stdout] test test_standard ... ok
[INFO] [stdout] test test_odd ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/time_drift.rs (/opt/rustwide/target/debug/deps/time_drift-16406eb9d387ec3b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_drift_140bpm ... ok
[INFO] [stderr]    Doc-tests music-timer
[INFO] [stdout] test test_drift_60bpm ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/music_timer_engine.rs - music_timer_engine::MusicTimerEngine::new (line 57) ... ok
[INFO] [stdout] test src/music_timer_engine.rs - music_timer_engine::MusicTimerEngine::pulse (line 82) ... ok
[INFO] [stdout] test src/music_time.rs - music_time::MusicTime::new (line 27) ... ok
[INFO] [stdout] test src/time_signature.rs - time_signature::TimeSignature::new (line 22) ... ok
[INFO] [stdout] test src/lib.rs - create_performance_engine (line 101) ... ok
[INFO] [stdout] test src/music_time.rs - music_time::MusicTime::advance_beat (line 60) ... ok
[INFO] [stdout] test src/music_time_counter.rs - music_time_counter::MusicTimeCounter::new (line 24) ... ok
[INFO] [stdout] test src/music_time.rs - music_time::MusicTime::advance_beat_interval (line 91) ... ok
[INFO] [stdout] test src/music_timer_engine.rs - music_timer_engine::MusicTimerEngine::get_beat_interval_duration (line 147) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51e163807b895045c6d12a4e79bb0564c0ae0a40d6e35b329c1b8bd313ec14a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e163807b895045c6d12a4e79bb0564c0ae0a40d6e35b329c1b8bd313ec14a6", kill_on_drop: false }`
[INFO] [stdout] 51e163807b895045c6d12a4e79bb0564c0ae0a40d6e35b329c1b8bd313ec14a6