[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 1.99.0-beta.8 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-kay%2Fsong" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/max-kay/song on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904
[INFO] running `Command { std: "docker" "start" "d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
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[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling lock_api v0.4.8
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[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cpal v0.14.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling itertools v0.10.4
[INFO] [stderr]    Compiling permutation v0.4.1
[INFO] [stderr]    Compiling hound v3.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
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[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling derive_more v0.99.17
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[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: use of deprecated module `std::u8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/lib.rs:5:73
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{collections::HashMap, convert::TryInto, fs::File, path::Path, u8};
[INFO] [stdout]   |                                                                         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` 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 34.27s
[INFO] running `Command { std: "docker" "inspect" "d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[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: use of deprecated module `std::u8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/lib.rs:5:73
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{collections::HashMap, convert::TryInto, fs::File, path::Path, u8};
[INFO] [stdout]   |                                                                         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` 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]    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: use of deprecated module `std::u8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/lib.rs:5:73
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{collections::HashMap, convert::TryInto, fs::File, path::Path, u8};
[INFO] [stdout]   |                                                                         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` 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 1.80s
[INFO] running `Command { std: "docker" "inspect" "d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", 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: use of deprecated module `std::u8`: all constants in this module replaced by associated constants on the type
[INFO] [stderr]  --> src/lib.rs:5:73
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::{collections::HashMap, convert::TryInto, fs::File, path::Path, u8};
[INFO] [stderr]   |                                                                         ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` 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 4 warnings (run `cargo fix --lib -p song` to apply 1 suggestion)
[INFO] [stderr] warning: `song` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/song-46af1c995372d490)
[INFO] [stdout] 
[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: 3443410, fast pow: 13768909
[INFO] [stdout] 
[INFO] [stdout] thread 'utils::test::pow2_speed' (1035) panicked at src/utils.rs:105:9:
[INFO] [stdout] assertion failed: t1 < t0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b07e36d98e1 - std[70759c8f55707aa4]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b07e36d98e1 - std[70759c8f55707aa4]::backtrace_rs::backtrace::trace_unsynchronized::<std[70759c8f55707aa4]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b07e36d98e1 - std[70759c8f55707aa4]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b07e36d98e1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b07e36edeea - <core[df12db4294e9bfd3]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b07e36edeea - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    6:     0x5b07e36ddd7c - core[df12db4294e9bfd3]::io::write::default_write_fmt::<alloc[2182bb758b4b3781]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:402:11
[INFO] [stdout]    7:     0x5b07e36ddd7c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:335:13
[INFO] [stdout]    8:     0x5b07e36b5ed6 - <std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5b07e36b5ed6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5b07e36d2049 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5b07e366dd80 - <alloc[2182bb758b4b3781]::boxed::Box<dyn for<'a, 'b> core[df12db4294e9bfd3]::ops::function::Fn<(&'a std[70759c8f55707aa4]::panic::PanicHookInfo<'b>,), Output = ()> + core[df12db4294e9bfd3]::marker::Send + core[df12db4294e9bfd3]::marker::Sync> as core[df12db4294e9bfd3]::ops::function::Fn<(&std[70759c8f55707aa4]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/boxed.rs:2334:9
[INFO] [stdout]   12:     0x5b07e366dd80 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5b07e36d2202 - <alloc[2182bb758b4b3781]::boxed::Box<dyn for<'a, 'b> core[df12db4294e9bfd3]::ops::function::Fn<(&'a std[70759c8f55707aa4]::panic::PanicHookInfo<'b>,), Output = ()> + core[df12db4294e9bfd3]::marker::Send + core[df12db4294e9bfd3]::marker::Sync> as core[df12db4294e9bfd3]::ops::function::Fn<(&std[70759c8f55707aa4]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/boxed.rs:2334:9
[INFO] [stdout]   14:     0x5b07e36d2202 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5b07e36b5fb4 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:681:13
[INFO] [stdout]   16:     0x5b07e36aed09 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5b07e36b6b7d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5b07e36ee65c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b07e36ee622 - core[df12db4294e9bfd3]::panicking::panic
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5b07e36609be - song[ab6500fc1025303a]::utils::test::pow2_speed
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:105:9
[INFO] [stdout]   21:     0x5b07e3660267 - song[ab6500fc1025303a]::utils::test::pow2_speed::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:87:20
[INFO] [stdout]   22:     0x5b07e3660cd6 - <song[ab6500fc1025303a]::utils::test::pow2_speed::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5b07e366106b - <fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String> as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b07e366106b - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:733:18
[INFO] [stdout]   25:     0x5b07e366e6d5 - test[9d35eded1c95d3be]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:756:74
[INFO] [stdout]   26:     0x5b07e366e6d5 - <core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<test[9d35eded1c95d3be]::run_test_in_process::{closure#0}> as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5b07e366e6d5 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<test[9d35eded1c95d3be]::run_test_in_process::{closure#0}>, core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stdout]   28:     0x5b07e366e6d5 - std[70759c8f55707aa4]::panicking::catch_unwind::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<test[9d35eded1c95d3be]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5b07e366e6d5 - std[70759c8f55707aa4]::panic::catch_unwind::<core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<test[9d35eded1c95d3be]::run_test_in_process::{closure#0}>, core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5b07e366e6d5 - test[9d35eded1c95d3be]::run_test_in_process
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:756:27
[INFO] [stdout]   31:     0x5b07e366e6d5 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:677:43
[INFO] [stdout]   32:     0x5b07e3667f94 - test[9d35eded1c95d3be]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/test/src/lib.rs:707:41
[INFO] [stdout]   33:     0x5b07e3667f94 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5b07e3671832 - std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   35:     0x5b07e3671832 - <core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x5b07e3671832 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5b07e3671832 - std[70759c8f55707aa4]::panicking::catch_unwind::<(), core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5b07e3671832 - std[70759c8f55707aa4]::panic::catch_unwind::<core[df12db4294e9bfd3]::panic::unwind_safe::AssertUnwindSafe<std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5b07e3671832 - std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   40:     0x5b07e3671832 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5b07e36d91b9 - <alloc[2182bb758b4b3781]::boxed::Box<dyn core[df12db4294e9bfd3]::ops::function::FnOnce<(), Output = ()> + core[df12db4294e9bfd3]::marker::Send> as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/boxed.rs:2320:9
[INFO] [stdout]   42:     0x5b07e36d91b9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   43:     0x703df480fdfa - <unknown>
[INFO] [stdout]   44:     0x703df48a33d4 - 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 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904", kill_on_drop: false }`
[INFO] [stdout] d06375bbf24da7b6cc88b0dd0ca984ebc4f27e21fb69512642368059aef66904
