[INFO] cloning repository https://github.com/SKTT1Ryze/rust-piano
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SKTT1Ryze/rust-piano" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSKTT1Ryze%2Frust-piano", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSKTT1Ryze%2Frust-piano'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 439d626dff9393bc177d62f784e67767b60093dd
[INFO] testing SKTT1Ryze/rust-piano against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSKTT1Ryze%2Frust-piano" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SKTT1Ryze/rust-piano
[INFO] finished tweaking git repo https://github.com/SKTT1Ryze/rust-piano
[INFO] tweaked toml for git repo https://github.com/SKTT1Ryze/rust-piano written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SKTT1Ryze/rust-piano on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SKTT1Ryze/rust-piano 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2d6f57710cac94ab2febf81f4711ff9f54414888900ced900ab55da048eb89c
[INFO] running `Command { std: "docker" "start" "-a" "f2d6f57710cac94ab2febf81f4711ff9f54414888900ced900ab55da048eb89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2d6f57710cac94ab2febf81f4711ff9f54414888900ced900ab55da048eb89c", kill_on_drop: false }`
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[INFO] [stdout] f2d6f57710cac94ab2febf81f4711ff9f54414888900ced900ab55da048eb89c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8343b93c9d58afba3cc4fdd7aca65f9c63d1bbaea3c5b7f088be735e325c914
[INFO] running `Command { std: "docker" "start" "-a" "f8343b93c9d58afba3cc4fdd7aca65f9c63d1bbaea3c5b7f088be735e325c914", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling ogg v0.7.1
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling lewton v0.10.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling minimp3 v0.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tui v0.13.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling argh v0.1.4
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling mp3-duration v0.1.10
[INFO] [stderr]    Compiling rodio v0.13.0
[INFO] [stderr]    Compiling rust-piano v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `location`, `coords`, and `status` are never read
[INFO] [stdout]   --> src/piano/app.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Server<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 72 |     pub name: &'a str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 73 |     pub location: &'a str,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 74 |     pub coords: (f64, f64),
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 75 |     pub status: &'a str,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `servers` is never read
[INFO] [stdout]   --> src/piano/app.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct App<'a> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub servers: Vec<Server<'a>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/piano/player.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         drop(&self.sink_list[0]);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&rodio::Sink`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 105 -         drop(&self.sink_list[0]);
[INFO] [stdout] 105 +         let _ = &self.sink_list[0];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/util/mod.rs:63:41
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new(titles: Vec<&'a str>) -> TabsState {
[INFO] [stdout]    |                             --          ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new(titles: Vec<&'a str>) -> TabsState<'a> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.96s
[INFO] running `Command { std: "docker" "inspect" "f8343b93c9d58afba3cc4fdd7aca65f9c63d1bbaea3c5b7f088be735e325c914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8343b93c9d58afba3cc4fdd7aca65f9c63d1bbaea3c5b7f088be735e325c914", kill_on_drop: false }`
[INFO] [stdout] f8343b93c9d58afba3cc4fdd7aca65f9c63d1bbaea3c5b7f088be735e325c914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94ccee1b8a1c6e0828703aa141a64282994b690812e3f5f5dc15ae2237e4ace7
[INFO] running `Command { std: "docker" "start" "-a" "94ccee1b8a1c6e0828703aa141a64282994b690812e3f5f5dc15ae2237e4ace7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-piano v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `location`, `coords`, and `status` are never read
[INFO] [stdout]   --> src/piano/app.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Server<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 72 |     pub name: &'a str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 73 |     pub location: &'a str,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 74 |     pub coords: (f64, f64),
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 75 |     pub status: &'a str,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `servers` is never read
[INFO] [stdout]   --> src/piano/app.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct App<'a> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub servers: Vec<Server<'a>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/piano/player.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         drop(&self.sink_list[0]);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&rodio::Sink`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 105 -         drop(&self.sink_list[0]);
[INFO] [stdout] 105 +         let _ = &self.sink_list[0];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/util/mod.rs:63:41
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new(titles: Vec<&'a str>) -> TabsState {
[INFO] [stdout]    |                             --          ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new(titles: Vec<&'a str>) -> TabsState<'a> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "94ccee1b8a1c6e0828703aa141a64282994b690812e3f5f5dc15ae2237e4ace7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ccee1b8a1c6e0828703aa141a64282994b690812e3f5f5dc15ae2237e4ace7", kill_on_drop: false }`
[INFO] [stdout] 94ccee1b8a1c6e0828703aa141a64282994b690812e3f5f5dc15ae2237e4ace7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97134e05bcafdbc7bbbc644ec8c69cf5775d76843e3979bd87a1ae216b72eada
[INFO] running `Command { std: "docker" "start" "-a" "97134e05bcafdbc7bbbc644ec8c69cf5775d76843e3979bd87a1ae216b72eada", kill_on_drop: false }`
[INFO] [stderr] warning: fields `name`, `location`, `coords`, and `status` are never read
[INFO] [stderr]   --> src/piano/app.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub struct Server<'a> {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 72 |     pub name: &'a str,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 73 |     pub location: &'a str,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 74 |     pub coords: (f64, f64),
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 75 |     pub status: &'a str,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `servers` is never read
[INFO] [stderr]   --> src/piano/app.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub struct App<'a> {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 86 |     pub servers: Vec<Server<'a>>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/piano/player.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         drop(&self.sink_list[0]);
[INFO] [stderr]     |         ^^^^^------------------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&rodio::Sink`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 105 -         drop(&self.sink_list[0]);
[INFO] [stderr] 105 +         let _ = &self.sink_list[0];
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/util/mod.rs:63:41
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn new(titles: Vec<&'a str>) -> TabsState {
[INFO] [stderr]    |                             --          ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn new(titles: Vec<&'a str>) -> TabsState<'a> {
[INFO] [stderr]    |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-piano` (bin "rust-piano" test) generated 4 warnings (run `cargo fix --bin "rust-piano" -p rust-piano --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_piano-bf0a0d4c42fd9b54)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test piano::music::test_music ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- piano::music::test_music stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'piano::music::test_music' (24) panicked at src/piano/music.rs:29:37:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x581f41a1e9f2 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x581f41a1e9f2 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x581f41a1e9f2 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x581f41a1e9f2 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x581f41a3349a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x581f41a3349a - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x581f41a238f6 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x581f41a238f6 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x581f419fd0df - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x581f419fd0df - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x581f41a16cd9 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x581f4193d6ce - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x581f4193d6ce - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x581f41a16e92 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x581f41a16e92 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x581f419fd198 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x581f419f23e9 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x581f419fdfed - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x581f41a33b6c - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x581f41a338e2 - core[27de1724e4349be2]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x581f418f0bfa - <core[27de1724e4349be2]::result::Result<std[3b51380354919863]::fs::File, std[3b51380354919863]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x581f418f0bfa - <rust_piano[abcd9327561480f3]::piano::music::Music>::new
[INFO] [stdout]                                at /opt/rustwide/workdir/src/piano/music.rs:29:37
[INFO] [stdout]   22:     0x581f418f1e9b - rust_piano[abcd9327561480f3]::piano::music::test_music
[INFO] [stdout]                                at /opt/rustwide/workdir/src/piano/music.rs:63:17
[INFO] [stdout]   23:     0x581f418f08b7 - rust_piano[abcd9327561480f3]::piano::music::test_music::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/piano/music.rs:61:16
[INFO] [stdout]   24:     0x581f41931956 - <rust_piano[abcd9327561480f3]::piano::music::test_music::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr] error: test failed, to rerun pass `--bin rust-piano`
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x581f41931a7b - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x581f41931a7b - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x581f4193e2da - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x581f4193e2da - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x581f4193e2da - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x581f4193e2da - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x581f4193e2da - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x581f4193e2da - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x581f4193e2da - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x581f41939884 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x581f41939884 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x581f41940dd2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x581f41940dd2 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x581f41940dd2 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x581f41940dd2 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x581f41940dd2 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x581f41940dd2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x581f41940dd2 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x581f41a1e29f - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x581f41a1e29f - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   45:     0x768f58b68aa4 - <unknown>
[INFO] [stdout]   46:     0x768f58bf5a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     piano::music::test_music
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97134e05bcafdbc7bbbc644ec8c69cf5775d76843e3979bd87a1ae216b72eada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97134e05bcafdbc7bbbc644ec8c69cf5775d76843e3979bd87a1ae216b72eada", kill_on_drop: false }`
[INFO] [stdout] 97134e05bcafdbc7bbbc644ec8c69cf5775d76843e3979bd87a1ae216b72eada
