[INFO] fetching crate beat-detector 0.1.0...
[INFO] testing beat-detector-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate beat-detector 0.1.0 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate beat-detector 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate beat-detector 0.1.0
[INFO] finished tweaking crates.io crate beat-detector 0.1.0
[INFO] tweaked toml for crates.io crate beat-detector 0.1.0 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate crates.io crate beat-detector 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] [stderr]   Downloaded minimp3 v0.5.1
[INFO] [stderr]   Downloaded redox_syscall v0.2.8
[INFO] [stderr]   Downloaded ctrlc v3.1.9
[INFO] [stderr]   Downloaded minimp3-sys v0.3.2
[INFO] [stderr]   Downloaded spidev v0.4.1
[INFO] [stderr]   Downloaded microfft v0.4.0
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded web-sys v0.3.51
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded spectrum-analyzer v0.5.2
[INFO] [stderr]   Downloaded lowpass-filter v0.2.4
[INFO] [stderr]   Downloaded ws2818-rgb-led-spi-driver v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b1a34219c370918119f72f2d803902b1bb486e425630269127905ebc6a9832c
[INFO] running `Command { std: "docker" "start" "-a" "3b1a34219c370918119f72f2d803902b1bb486e425630269127905ebc6a9832c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1a34219c370918119f72f2d803902b1bb486e425630269127905ebc6a9832c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1a34219c370918119f72f2d803902b1bb486e425630269127905ebc6a9832c", kill_on_drop: false }`
[INFO] [stdout] 3b1a34219c370918119f72f2d803902b1bb486e425630269127905ebc6a9832c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54ab4c5f0d574420531077340412607f58cf2783ea6b5b9c064405790cf04543
[INFO] running `Command { std: "docker" "start" "-a" "54ab4c5f0d574420531077340412607f58cf2783ea6b5b9c064405790cf04543", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling lowpass-filter v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling microfft v0.4.0
[INFO] [stderr]    Compiling spectrum-analyzer v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling beat-detector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             _ => panic!("Unknown Strategy"),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             _ => panic!("Unknown Strategy"),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |             _ => panic!("Unknown Strategy"),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `preferred_window_length`
[INFO] [stdout]   --> src/record.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let preferred_window_length = 1024;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preferred_window_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 29.56s
[INFO] running `Command { std: "docker" "inspect" "54ab4c5f0d574420531077340412607f58cf2783ea6b5b9c064405790cf04543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ab4c5f0d574420531077340412607f58cf2783ea6b5b9c064405790cf04543", kill_on_drop: false }`
[INFO] [stdout] 54ab4c5f0d574420531077340412607f58cf2783ea6b5b9c064405790cf04543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d4f0202328555d21b710189844a5b12f6641b57b002e4ed547a8e0b5dbc971
[INFO] running `Command { std: "docker" "start" "-a" "e8d4f0202328555d21b710189844a5b12f6641b57b002e4ed547a8e0b5dbc971", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling ctrlc v3.1.9
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             _ => panic!("Unknown Strategy"),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             _ => panic!("Unknown Strategy"),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |             _ => panic!("Unknown Strategy"),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `preferred_window_length`
[INFO] [stdout]   --> src/record.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let preferred_window_length = 1024;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preferred_window_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling spidev v0.4.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling ws2818-rgb-led-spi-driver v2.0.0
[INFO] [stderr]    Compiling minimp3 v0.5.1
[INFO] [stderr]    Compiling beat-detector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/record.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             _ => panic!("Unknown Strategy"),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             _ => panic!("Unknown Strategy"),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |             _ => panic!("Unknown Strategy"),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `preferred_window_length`
[INFO] [stdout]   --> src/record.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let preferred_window_length = 1024;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preferred_window_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 19.99s
[INFO] running `Command { std: "docker" "inspect" "e8d4f0202328555d21b710189844a5b12f6641b57b002e4ed547a8e0b5dbc971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d4f0202328555d21b710189844a5b12f6641b57b002e4ed547a8e0b5dbc971", kill_on_drop: false }`
[INFO] [stdout] e8d4f0202328555d21b710189844a5b12f6641b57b002e4ed547a8e0b5dbc971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a63d79ea2dae7dd6b87cec68ac4c7baf6882890a2ce5b2474677091e875a807
[INFO] running `Command { std: "docker" "start" "-a" "8a63d79ea2dae7dd6b87cec68ac4c7baf6882890a2ce5b2474677091e875a807", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |             _ => panic!("Unknown Strategy"),
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             _ => panic!("Unknown Strategy"),
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |             _ => panic!("Unknown Strategy"),
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `preferred_window_length`
[INFO] [stderr]   --> src/record.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let preferred_window_length = 1024;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preferred_window_length`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `beat-detector` (lib) generated 4 warnings
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/record.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `beat-detector` (lib test) generated 5 warnings (4 duplicates)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/beat_detector-f1e0e840e28ce432)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_sample_1_beat_detection ... ignored
[INFO] [stdout] test strategies::spectrum::tests::test_next_power_of_2 ... ok
[INFO] [stdout] test strategies::tests::test_analysis_state_get_relative_time_ms ... ok
[INFO] [stdout] test tests::test_sample_1_print_beats ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests beat-detector
[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" "8a63d79ea2dae7dd6b87cec68ac4c7baf6882890a2ce5b2474677091e875a807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a63d79ea2dae7dd6b87cec68ac4c7baf6882890a2ce5b2474677091e875a807", kill_on_drop: false }`
[INFO] [stdout] 8a63d79ea2dae7dd6b87cec68ac4c7baf6882890a2ce5b2474677091e875a807