[INFO] cloning repository https://github.com/max-kay/song
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/max-kay/song" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-kay%2Fsong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-kay%2Fsong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5dd7c1a76b74812b51fd8dd08751871b29da77d
[INFO] testing max-kay/song against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-kay%2Fsong" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/max-kay/song
[INFO] finished tweaking git repo https://github.com/max-kay/song
[INFO] tweaked toml for git repo https://github.com/max-kay/song written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/max-kay/song on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/max-kay/song 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.138
[INFO] [stderr]   Downloaded permutation v0.4.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.35
[INFO] [stderr]   Downloaded once_cell v1.13.1
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.10
[INFO] [stderr]   Downloaded midly v0.5.2
[INFO] [stderr]   Downloaded clang-sys v1.3.3
[INFO] [stderr]   Downloaded cpal v0.14.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.5
[INFO] [stderr]   Downloaded itertools v0.10.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.9
[INFO] [stderr]   Downloaded thiserror v1.0.35
[INFO] [stderr]   Downloaded serde v1.0.138
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8f3cebbfd02b5ee075922ecf492286da2733c997550cfaa1d67cc753d2ec3c1
[INFO] running `Command { std: "docker" "start" "-a" "d8f3cebbfd02b5ee075922ecf492286da2733c997550cfaa1d67cc753d2ec3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8f3cebbfd02b5ee075922ecf492286da2733c997550cfaa1d67cc753d2ec3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f3cebbfd02b5ee075922ecf492286da2733c997550cfaa1d67cc753d2ec3c1", kill_on_drop: false }`
[INFO] [stdout] d8f3cebbfd02b5ee075922ecf492286da2733c997550cfaa1d67cc753d2ec3c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87ce5ee06dcde61f08d39c4730065fef10f6886dde994a6f9d17d12792ad0354
[INFO] running `Command { std: "docker" "start" "-a" "87ce5ee06dcde61f08d39c4730065fef10f6886dde994a6f9d17d12792ad0354", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling once_cell v1.13.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling cpal v0.14.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling itertools v0.10.4
[INFO] [stderr]    Compiling hound v3.5.0
[INFO] [stderr]    Compiling permutation v0.4.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling midly v0.5.2
[INFO] [stderr]    Compiling alsa v0.6.0
[INFO] [stderr]    Compiling ron v0.8.0
[INFO] [stderr]    Compiling song v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cpal::Stream`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cpal::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `beats_per_bar`, `beat_value`, and `n32_p_beat` are never read
[INFO] [stdout]    --> src/io.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub struct MidiSig {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 361 |     beats_per_bar: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 362 |     beat_value: u8,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 363 |     n32_p_beat: u8,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MidiSig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tick`, `key`, and `vel` are never read
[INFO] [stdout]    --> src/io.rs:565:5
[INFO] [stdout]     |
[INFO] [stdout] 564 | struct AfterTouch {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 565 |     tick: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 566 |     key: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 567 |     vel: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AfterTouch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.22s
[INFO] running `Command { std: "docker" "inspect" "87ce5ee06dcde61f08d39c4730065fef10f6886dde994a6f9d17d12792ad0354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ce5ee06dcde61f08d39c4730065fef10f6886dde994a6f9d17d12792ad0354", kill_on_drop: false }`
[INFO] [stdout] 87ce5ee06dcde61f08d39c4730065fef10f6886dde994a6f9d17d12792ad0354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90c42140f96819669cb4cfe104e6a3d73b17df65bba4d0051a942e0135c7963
[INFO] running `Command { std: "docker" "start" "-a" "f90c42140f96819669cb4cfe104e6a3d73b17df65bba4d0051a942e0135c7963", kill_on_drop: false }`
[INFO] [stderr]    Compiling song v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cpal::Stream`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cpal::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `beats_per_bar`, `beat_value`, and `n32_p_beat` are never read
[INFO] [stdout]    --> src/io.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub struct MidiSig {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 361 |     beats_per_bar: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 362 |     beat_value: u8,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 363 |     n32_p_beat: u8,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MidiSig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tick`, `key`, and `vel` are never read
[INFO] [stdout]    --> src/io.rs:565:5
[INFO] [stdout]     |
[INFO] [stdout] 564 | struct AfterTouch {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 565 |     tick: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 566 |     key: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 567 |     vel: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AfterTouch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpal::Stream`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cpal::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `beats_per_bar`, `beat_value`, and `n32_p_beat` are never read
[INFO] [stdout]    --> src/io.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub struct MidiSig {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 361 |     beats_per_bar: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 362 |     beat_value: u8,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 363 |     n32_p_beat: u8,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MidiSig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tick`, `key`, and `vel` are never read
[INFO] [stdout]    --> src/io.rs:565:5
[INFO] [stdout]     |
[INFO] [stdout] 564 | struct AfterTouch {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 565 |     tick: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 566 |     key: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 567 |     vel: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AfterTouch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "f90c42140f96819669cb4cfe104e6a3d73b17df65bba4d0051a942e0135c7963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90c42140f96819669cb4cfe104e6a3d73b17df65bba4d0051a942e0135c7963", kill_on_drop: false }`
[INFO] [stdout] f90c42140f96819669cb4cfe104e6a3d73b17df65bba4d0051a942e0135c7963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9c9acbde8fea3d8f0bdaa92476b95fce62dbf65f78d0d70ee2127a52f039f91
[INFO] running `Command { std: "docker" "start" "-a" "c9c9acbde8fea3d8f0bdaa92476b95fce62dbf65f78d0d70ee2127a52f039f91", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `cpal::Stream`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cpal::Stream;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `beats_per_bar`, `beat_value`, and `n32_p_beat` are never read
[INFO] [stderr]    --> src/io.rs:361:5
[INFO] [stderr]     |
[INFO] [stderr] 360 | pub struct MidiSig {
[INFO] [stderr]     |            ------- fields in this struct
[INFO] [stderr] 361 |     beats_per_bar: u8,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 362 |     beat_value: u8,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 363 |     n32_p_beat: u8,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MidiSig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `tick`, `key`, and `vel` are never read
[INFO] [stderr]    --> src/io.rs:565:5
[INFO] [stderr]     |
[INFO] [stderr] 564 | struct AfterTouch {
[INFO] [stderr]     |        ---------- fields in this struct
[INFO] [stderr] 565 |     tick: u32,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 566 |     key: u8,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 567 |     vel: u8,
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `AfterTouch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `song` (lib) generated 3 warnings (run `cargo fix --lib -p song` to apply 1 suggestion)
[INFO] [stderr] warning: `song` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/song-5c385cbd41c4487b)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test utils::test::pow2_test ... ok
[INFO] [stdout] test utils::test::pow2_speed ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- utils::test::pow2_speed stdout ----
[INFO] [stdout] normal pow: 5596092, fast pow: 7590312
[INFO] [stdout] 
[INFO] [stdout] thread 'utils::test::pow2_speed' (25) panicked at src/utils.rs:105:9:
[INFO] [stdout] assertion failed: t1 < t0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x650e7dbca6b2 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x650e7dbca6b2 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x650e7dbca6b2 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x650e7dbca6b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x650e7dbdadba - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x650e7dbdadba - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x650e7db993f6 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x650e7db993f6 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x650e7dba9b99 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x650e7dba9b99 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x650e7dba9a31 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x650e7db6d84e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x650e7db6d84e - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x650e7dba9e12 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x650e7dba9e12 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x650e7dba9c8a - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x650e7dba51e9 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x650e7db8e22d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x650e7dbe20ec - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x650e7dbe20b2 - core::panicking::panic::hbff2745fd4c5afec
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x650e7db4e408 - song::utils::test::pow2_speed::h4138eb3d95f7bedb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:105:9
[INFO] [stdout]   21:     0x650e7db4e457 - song::utils::test::pow2_speed::{{closure}}::h9f6a08e3fed19f5e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:87:20
[INFO] [stdout]   22:     0x650e7db4db26 - core::ops::function::FnOnce::call_once::ha4ed82bc39b207e5
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x650e7db6d60b - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x650e7db6d60b - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x650e7db8101a - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x650e7db8101a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x650e7db8101a - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x650e7db8101a - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x650e7db8101a - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x650e7db8101a - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x650e7db8101a - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x650e7db5b474 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x650e7db5b474 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x650e7db5ee12 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x650e7db5ee12 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x650e7db5ee12 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x650e7db5ee12 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x650e7db5ee12 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x650e7db5ee12 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x650e7db5ee12 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x650e7dba047f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x650e7dba047f - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x70b64e9ffaa4 - <unknown>
[INFO] [stdout]   44:     0x70b64ea8ca64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     utils::test::pow2_speed
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "c9c9acbde8fea3d8f0bdaa92476b95fce62dbf65f78d0d70ee2127a52f039f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c9acbde8fea3d8f0bdaa92476b95fce62dbf65f78d0d70ee2127a52f039f91", kill_on_drop: false }`
[INFO] [stdout] c9c9acbde8fea3d8f0bdaa92476b95fce62dbf65f78d0d70ee2127a52f039f91
