[INFO] fetching crate beat-detector 0.1.2...
[INFO] testing beat-detector-0.1.2 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate beat-detector 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate beat-detector 0.1.2
[INFO] finished tweaking crates.io crate beat-detector 0.1.2
[INFO] tweaked toml for crates.io crate beat-detector 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate beat-detector 0.1.2 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate beat-detector 0.1.2 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78e6df21cc34aacabf2f0413d58e2448cb832a47ea9ba015b2ed0297bee63ad7
[INFO] running `Command { std: "docker" "start" "-a" "78e6df21cc34aacabf2f0413d58e2448cb832a47ea9ba015b2ed0297bee63ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78e6df21cc34aacabf2f0413d58e2448cb832a47ea9ba015b2ed0297bee63ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e6df21cc34aacabf2f0413d58e2448cb832a47ea9ba015b2ed0297bee63ad7", kill_on_drop: false }`
[INFO] [stdout] 78e6df21cc34aacabf2f0413d58e2448cb832a47ea9ba015b2ed0297bee63ad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba3356173c94e78568c9ce1e71041a87f59e3a4c7177472df027c05cf424b472
[INFO] running `Command { std: "docker" "start" "-a" "ba3356173c94e78568c9ce1e71041a87f59e3a4c7177472df027c05cf424b472", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling lowpass-filter v0.2.4
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling ringbuffer v0.7.1
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling microfft v0.4.0
[INFO] [stderr]    Compiling nix v0.20.1
[INFO] [stderr]    Compiling spectrum-analyzer v1.1.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling beat-detector v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 46.99s
[INFO] running `Command { std: "docker" "inspect" "ba3356173c94e78568c9ce1e71041a87f59e3a4c7177472df027c05cf424b472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3356173c94e78568c9ce1e71041a87f59e3a4c7177472df027c05cf424b472", kill_on_drop: false }`
[INFO] [stdout] ba3356173c94e78568c9ce1e71041a87f59e3a4c7177472df027c05cf424b472
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6830f95171c210c524b954ceb5035ce065ec7591c4798fb2349b6d667251bf6a
[INFO] running `Command { std: "docker" "start" "-a" "6830f95171c210c524b954ceb5035ce065ec7591c4798fb2349b6d667251bf6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[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 getrandom v0.2.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling nix v0.22.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling spidev v0.4.1
[INFO] [stderr]    Compiling ws2818-rgb-led-spi-driver v2.0.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling ctrlc v3.2.0
[INFO] [stderr]    Compiling minimp3 v0.5.1
[INFO] [stderr]    Compiling beat-detector v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/record.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 20.94s
[INFO] running `Command { std: "docker" "inspect" "6830f95171c210c524b954ceb5035ce065ec7591c4798fb2349b6d667251bf6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6830f95171c210c524b954ceb5035ce065ec7591c4798fb2349b6d667251bf6a", kill_on_drop: false }`
[INFO] [stdout] 6830f95171c210c524b954ceb5035ce065ec7591c4798fb2349b6d667251bf6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 752ac359c41a7e106140824a66f22f6a316c4983910818b7444a5d331bf350c2
[INFO] running `Command { std: "docker" "start" "-a" "752ac359c41a7e106140824a66f22f6a316c4983910818b7444a5d331bf350c2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/record.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |     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 1 warning (run `cargo fix --lib -p beat-detector --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/beat_detector-96fd0a888155cd0f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_sample_1_beat_detection ... ignored
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::test_sample_1_print_beats' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice-deque-0.3.0/src/lib.rs:1720:33:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x64748d821002 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x64748d821002 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x64748d821002 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x64748d821002 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x64748d846c13 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x64748d846c13 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]    6:     0x64748d81e0c3 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x64748d81e0c3 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x64748d820e52 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x64748d82256c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stderr]   10:     0x64748d82236f - std::panicking::default_hook::ha25170a15c643514
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stderr]   11:     0x64748d7de1d4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]   12:     0x64748d7de1d4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x64748d822f4b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]   14:     0x64748d822f4b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stderr]   15:     0x64748d822ce6 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stderr]   16:     0x64748d8214f9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]   17:     0x64748d8229ad - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stderr]   18:     0x64748d844c92 - core::panicking::panic_nounwind_fmt::runtime::h562ffc47bd28880d
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:117:22
[INFO] [stderr]   19:     0x64748d844c92 - core::panicking::panic_nounwind_fmt::h25c6c70643d69ab8
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/intrinsics/mod.rs:2345:9
[INFO] [stderr]   20:     0x64748d7a04a2 - slice_deque::SliceDeque<T>::extend_desugared::hf42efb59b5f63faf
[INFO] [stderr]   21:     0x64748d7a04a2 - <slice_deque::SliceDeque<T> as slice_deque::SpecExtend<T,I>>::spec_extend::h90dc17d68e10fb18
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice-deque-0.3.0/src/lib.rs:2614:14
[INFO] [stderr]   22:     0x64748d7a04a2 - <slice_deque::SliceDeque<T> as slice_deque::SpecExtend<&T,I>>::spec_extend::he9ef8cde0b90b8c2
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice-deque-0.3.0/src/lib.rs:2702:14
[INFO] [stderr]   23:     0x64748d7a04a2 - <slice_deque::SliceDeque<T> as core::iter::traits::collect::Extend<&T>>::extend::hbe3fa0468226252b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice-deque-0.3.0/src/lib.rs:2856:14
[INFO] [stderr]   24:     0x64748d7a1267 - minimp3::Decoder<R>::refill::h097dd692bcd31801
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/minimp3-0.5.1/src/lib.rs:199:21
[INFO] [stderr]   25:     0x64748d7a1267 - minimp3::Decoder<R>::next_frame::h5ac8483b8a1499b7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/minimp3-0.5.1/src/lib.rs:177:27
[INFO] [stderr]   26:     0x64748d79e4bb - beat_detector::tests::read_mp3_to_mono::h5eb54ee6ac5d2c36
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:306:27
[INFO] [stderr]   27:     0x64748d79e9eb - beat_detector::tests::test_sample_1_print_beats::h64ce007200ca154a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:200:52
[INFO] [stderr]   28:     0x64748d7a32f9 - beat_detector::tests::test_sample_1_print_beats::{{closure}}::h8f506689c301950a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:199:35
[INFO] [stderr]   29:     0x64748d7a32f9 - core::ops::function::FnOnce::call_once::h52d8e899d3649d2b
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   30:     0x64748d7e390b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   31:     0x64748d7e390b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stderr]   32:     0x64748d7e2b4e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stderr]   33:     0x64748d7e2b4e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   34:     0x64748d7e2b4e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]   35:     0x64748d7e2b4e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]   36:     0x64748d7e2b4e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]   37:     0x64748d7e2b4e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stderr]   38:     0x64748d7e2b4e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stderr]   39:     0x64748d7a66f4 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stderr]   40:     0x64748d7a66f4 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stderr]   41:     0x64748d7aa09a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stderr]   42:     0x64748d7aa09a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   43:     0x64748d7aa09a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]   44:     0x64748d7aa09a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]   45:     0x64748d7aa09a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]   46:     0x64748d7aa09a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stderr]   47:     0x64748d7aa09a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   48:     0x64748d825ea7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stderr]   49:     0x64748d825ea7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stderr]   50:     0x64748d825ea7 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stderr]   51:     0x759142548aa4 - <unknown>
[INFO] [stderr]   52:     0x7591425d5a34 - clone
[INFO] [stderr]   53:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/beat_detector-96fd0a888155cd0f` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "752ac359c41a7e106140824a66f22f6a316c4983910818b7444a5d331bf350c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752ac359c41a7e106140824a66f22f6a316c4983910818b7444a5d331bf350c2", kill_on_drop: false }`
[INFO] [stdout] 752ac359c41a7e106140824a66f22f6a316c4983910818b7444a5d331bf350c2
