[INFO] cloning repository https://github.com/shanmiteko/sample_synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shanmiteko/sample_synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshanmiteko%2Fsample_synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshanmiteko%2Fsample_synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4bc7eecf11b0883b7203ac66d75c418966a99be
[INFO] testing shanmiteko/sample_synth against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshanmiteko%2Fsample_synth" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shanmiteko/sample_synth
[INFO] finished tweaking git repo https://github.com/shanmiteko/sample_synth
[INFO] tweaked toml for git repo https://github.com/shanmiteko/sample_synth written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shanmiteko/sample_synth on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shanmiteko/sample_synth 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e9094756ee068fab21f5790fd5123ad72e2b5e1972defaf8c91f3743e89c2ee
[INFO] running `Command { std: "docker" "start" "-a" "3e9094756ee068fab21f5790fd5123ad72e2b5e1972defaf8c91f3743e89c2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e9094756ee068fab21f5790fd5123ad72e2b5e1972defaf8c91f3743e89c2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9094756ee068fab21f5790fd5123ad72e2b5e1972defaf8c91f3743e89c2ee", kill_on_drop: false }`
[INFO] [stdout] 3e9094756ee068fab21f5790fd5123ad72e2b5e1972defaf8c91f3743e89c2ee
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6099f70fd674d54633dec255f1b9b073950392a49b355e8650fb713d41640676
[INFO] running `Command { std: "docker" "start" "-a" "6099f70fd674d54633dec255f1b9b073950392a49b355e8650fb713d41640676", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling nix v0.20.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling simple_synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `OutputStreamParams` is never constructed
[INFO] [stdout]  --> src/audio.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct OutputStreamParams {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AudioRenderer` is never constructed
[INFO] [stdout]   --> src/audio.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct AudioRenderer {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `render_audio` are never used
[INFO] [stdout]   --> src/audio.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl AudioRenderer {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 32 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn render_audio<S: Sample>(&mut self, buffer: &mut [S]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AudioOut` is never constructed
[INFO] [stdout]   --> src/audio.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct AudioOut {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `start_stream` and `create_stream` are never used
[INFO] [stdout]   --> src/audio.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl AudioOut {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 48 |     fn start_stream(self, output_stream_params: OutputStreamParams) -> Stream {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn create_stream<S: Sample>(mut self, device: &Device, config: &StreamConfig) -> Stream {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Controller` is never used
[INFO] [stdout]  --> src/controller.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Controller {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParseError` is never used
[INFO] [stdout]   --> src/midi/formats.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum ParseError {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_eof` is never used
[INFO] [stdout]   --> src/midi/formats.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl ParseError {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 26 |     pub fn is_eof(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ByteChunk` is never used
[INFO] [stdout]   --> src/midi/formats.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | trait ByteChunk: Sized {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Smf` is never constructed
[INFO] [stdout]   --> src/midi/formats.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Smf {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `open`, `timebase`, `format`, and `tracks` are never used
[INFO] [stdout]   --> src/midi/formats.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Smf {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 48 |     pub fn open<P: AsRef<Path>>(path: P) -> Result<Self, ParseError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn timebase(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn format(&self) -> Format {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn tracks(&self) -> &Vec<TrackChunk> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeaderChunk` is never constructed
[INFO] [stdout]   --> src/midi/formats.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct HeaderChunk {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `track_num` is never used
[INFO] [stdout]   --> src/midi/formats.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | impl HeaderChunk {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 91 |     pub fn track_num(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Format` is never used
[INFO] [stdout]   --> src/midi/formats.rs:97:10
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub enum Format {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrackChunk` is never constructed
[INFO] [stdout]    --> src/midi/formats.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct TrackChunk {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tag` is never used
[INFO] [stdout]    --> src/midi/formats.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub enum Tag {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrackEvent` is never constructed
[INFO] [stdout]    --> src/midi/formats.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub struct TrackEvent {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `event` is never used
[INFO] [stdout]    --> src/midi/formats.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl TrackEvent {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 123 |     /// Returns tick and event pair
[INFO] [stdout] 124 |     pub fn event(&self) -> (u32, &Event) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U28` is never constructed
[INFO] [stdout]    --> src/midi/formats.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub struct U28(u32);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Slice` is never constructed
[INFO] [stdout]    --> src/midi/formats.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct Slice(Vec<u8>);
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_ascii` and `to_u32` are never used
[INFO] [stdout]    --> src/midi/formats.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl Slice {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] 138 |     fn to_ascii(self) -> String {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 |     fn to_u32(self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]    --> src/midi/formats.rs:188:10
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub enum Event {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_end` is never used
[INFO] [stdout]    --> src/midi/formats.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 194 | impl Event {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 195 |     pub fn is_end(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MetaMessage` is never used
[INFO] [stdout]    --> src/midi/formats.rs:207:10
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub enum MetaMessage {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U7` is never constructed
[INFO] [stdout]    --> src/midi/formats.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct U7(u8);
[INFO] [stdout]     |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U14` is never constructed
[INFO] [stdout]    --> src/midi/formats.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub struct U14(u16);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MidiMessage` is never used
[INFO] [stdout]    --> src/midi/formats.rs:246:10
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub enum MidiMessage {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Player` is never constructed
[INFO] [stdout]  --> src/midi/player.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Player {}
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `play` are never used
[INFO] [stdout]   --> src/midi/player.rs:6:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Player {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout]  6 |     fn new(smf: Smf) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn play() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mixer` is never constructed
[INFO] [stdout]  --> src/mix.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Mixer {}
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Oscillator` is never constructed
[INFO] [stdout]  --> src/osc/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Oscillator {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OscKind` is never used
[INFO] [stdout]  --> src/osc/mod.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum OscKind {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.21s
[INFO] running `Command { std: "docker" "inspect" "6099f70fd674d54633dec255f1b9b073950392a49b355e8650fb713d41640676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6099f70fd674d54633dec255f1b9b073950392a49b355e8650fb713d41640676", kill_on_drop: false }`
[INFO] [stdout] 6099f70fd674d54633dec255f1b9b073950392a49b355e8650fb713d41640676
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea3e3fae9c5086ec7503709ce80e6985e3ca3cbb5460828490fbb28644aadca6
[INFO] running `Command { std: "docker" "start" "-a" "ea3e3fae9c5086ec7503709ce80e6985e3ca3cbb5460828490fbb28644aadca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Controller` is never used
[INFO] [stdout]  --> src/controller.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Controller {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `timebase`, `format`, and `tracks` are never used
[INFO] [stdout]   --> src/midi/formats.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Smf {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn timebase(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn format(&self) -> Format {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn tracks(&self) -> &Vec<TrackChunk> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tag`, `header_len`, `format`, and `division` are never read
[INFO] [stdout]   --> src/midi/formats.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct HeaderChunk {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 80 |     tag: Tag,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 81 |     header_len: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 82 |     format: Format,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     division: i16,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HeaderChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `track_num` is never used
[INFO] [stdout]   --> src/midi/formats.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | impl HeaderChunk {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 91 |     pub fn track_num(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tag`, `track_len`, and `events` are never read
[INFO] [stdout]    --> src/midi/formats.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct TrackChunk {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 105 |     tag: Tag,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 106 |     track_len: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 107 |     events: Vec<TrackEvent>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TrackChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `delta` and `event` are never read
[INFO] [stdout]    --> src/midi/formats.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub struct TrackEvent {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 118 |     delta: U28,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 119 |     event: Event,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TrackEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `event` is never used
[INFO] [stdout]    --> src/midi/formats.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl TrackEvent {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 123 |     /// Returns tick and event pair
[INFO] [stdout] 124 |     pub fn event(&self) -> (u32, &Event) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `channel` and `midi_msg` are never read
[INFO] [stdout]    --> src/midi/formats.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 190 |     Midi { channel: u8, midi_msg: MidiMessage },
[INFO] [stdout]     |     ----   ^^^^^^^      ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sysex_msg` is never read
[INFO] [stdout]    --> src/midi/formats.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |     Sysex { sysex_msg: Slice },
[INFO] [stdout]     |     -----   ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:208:20
[INFO] [stdout]     |
[INFO] [stdout] 208 |     SequenceNumber(Slice),
[INFO] [stdout]     |     -------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 208 -     SequenceNumber(Slice),
[INFO] [stdout] 208 +     SequenceNumber(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:209:10
[INFO] [stdout]     |
[INFO] [stdout] 209 |     Text(String),
[INFO] [stdout]     |     ---- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 209 -     Text(String),
[INFO] [stdout] 209 +     Text(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:210:15
[INFO] [stdout]     |
[INFO] [stdout] 210 |     Copyright(String),
[INFO] [stdout]     |     --------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 210 -     Copyright(String),
[INFO] [stdout] 210 +     Copyright(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:211:15
[INFO] [stdout]     |
[INFO] [stdout] 211 |     TrackName(String),
[INFO] [stdout]     |     --------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 211 -     TrackName(String),
[INFO] [stdout] 211 +     TrackName(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:212:20
[INFO] [stdout]     |
[INFO] [stdout] 212 |     InstrumentName(String),
[INFO] [stdout]     |     -------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 212 -     InstrumentName(String),
[INFO] [stdout] 212 +     InstrumentName(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:213:11
[INFO] [stdout]     |
[INFO] [stdout] 213 |     Lyric(String),
[INFO] [stdout]     |     ----- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 213 -     Lyric(String),
[INFO] [stdout] 213 +     Lyric(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 214 |     Marker(String),
[INFO] [stdout]     |     ------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 214 -     Marker(String),
[INFO] [stdout] 214 +     Marker(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:215:14
[INFO] [stdout]     |
[INFO] [stdout] 215 |     CuePoint(String),
[INFO] [stdout]     |     -------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 215 -     CuePoint(String),
[INFO] [stdout] 215 +     CuePoint(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:216:19
[INFO] [stdout]     |
[INFO] [stdout] 216 |     ChannelPrefix(Slice),
[INFO] [stdout]     |     ------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 216 -     ChannelPrefix(Slice),
[INFO] [stdout] 216 +     ChannelPrefix(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:217:16
[INFO] [stdout]     |
[INFO] [stdout] 217 |     EndOfTrack(Slice),
[INFO] [stdout]     |     ---------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 217 -     EndOfTrack(Slice),
[INFO] [stdout] 217 +     EndOfTrack(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:227:11
[INFO] [stdout]     |
[INFO] [stdout] 227 |     Tempo(u32),
[INFO] [stdout]     |     ----- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 227 -     Tempo(u32),
[INFO] [stdout] 227 +     Tempo(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:228:17
[INFO] [stdout]     |
[INFO] [stdout] 228 |     SmpteOffset(Slice),
[INFO] [stdout]     |     ----------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 228 -     SmpteOffset(Slice),
[INFO] [stdout] 228 +     SmpteOffset(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:229:19
[INFO] [stdout]     |
[INFO] [stdout] 229 |     TimeSignature(Slice),
[INFO] [stdout]     |     ------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 229 -     TimeSignature(Slice),
[INFO] [stdout] 229 +     TimeSignature(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:230:18
[INFO] [stdout]     |
[INFO] [stdout] 230 |     KeySignature(Slice),
[INFO] [stdout]     |     ------------ ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 230 -     KeySignature(Slice),
[INFO] [stdout] 230 +     KeySignature(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:231:23
[INFO] [stdout]     |
[INFO] [stdout] 231 |     SequencerSpecific(Slice),
[INFO] [stdout]     |     ----------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 231 -     SequencerSpecific(Slice),
[INFO] [stdout] 231 +     SequencerSpecific(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |     Unknown(Slice),
[INFO] [stdout]     |     ------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 232 -     Unknown(Slice),
[INFO] [stdout] 232 +     Unknown(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/midi/formats.rs:237:15
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct U7(u8);
[INFO] [stdout]     |            -- ^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `U7` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `vel` are never read
[INFO] [stdout]    --> src/midi/formats.rs:248:15
[INFO] [stdout]     |
[INFO] [stdout] 248 |     NoteOff { key: U7, vel: U7 },
[INFO] [stdout]     |     -------   ^^^      ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `vel` are never read
[INFO] [stdout]    --> src/midi/formats.rs:250:14
[INFO] [stdout]     |
[INFO] [stdout] 250 |     NoteOn { key: U7, vel: U7 },
[INFO] [stdout]     |     ------   ^^^      ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `vel` are never read
[INFO] [stdout]    --> src/midi/formats.rs:252:18
[INFO] [stdout]     |
[INFO] [stdout] 252 |     Aftertouch { key: U7, vel: U7 },
[INFO] [stdout]     |     ----------   ^^^      ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `controller` and `value` are never read
[INFO] [stdout]    --> src/midi/formats.rs:254:21
[INFO] [stdout]     |
[INFO] [stdout] 254 |     ControlChange { controller: U7, value: U7 },
[INFO] [stdout]     |     -------------   ^^^^^^^^^^      ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `program` is never read
[INFO] [stdout]    --> src/midi/formats.rs:256:19
[INFO] [stdout]     |
[INFO] [stdout] 256 |     PatchChange { program: U7 },
[INFO] [stdout]     |     -----------   ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vel` is never read
[INFO] [stdout]    --> src/midi/formats.rs:258:23
[INFO] [stdout]     |
[INFO] [stdout] 258 |     ChannelPressure { vel: U7 },
[INFO] [stdout]     |     ---------------   ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> src/midi/formats.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |     PitchBend { value: U14 },
[INFO] [stdout]     |     ---------   ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Player` is never constructed
[INFO] [stdout]  --> src/midi/player.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Player {}
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `play` are never used
[INFO] [stdout]   --> src/midi/player.rs:6:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Player {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout]  6 |     fn new(smf: Smf) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn play() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mixer` is never constructed
[INFO] [stdout]  --> src/mix.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Mixer {}
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Oscillator` is never constructed
[INFO] [stdout]  --> src/osc/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Oscillator {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OscKind` is never used
[INFO] [stdout]  --> src/osc/mod.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum OscKind {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "ea3e3fae9c5086ec7503709ce80e6985e3ca3cbb5460828490fbb28644aadca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3e3fae9c5086ec7503709ce80e6985e3ca3cbb5460828490fbb28644aadca6", kill_on_drop: false }`
[INFO] [stdout] ea3e3fae9c5086ec7503709ce80e6985e3ca3cbb5460828490fbb28644aadca6
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f910a4e95e5af8f6928a39e1e471813366512c40aa672d44e8ef3f1d29c5b65
[INFO] running `Command { std: "docker" "start" "-a" "4f910a4e95e5af8f6928a39e1e471813366512c40aa672d44e8ef3f1d29c5b65", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Controller` is never used
[INFO] [stderr]  --> src/controller.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait Controller {
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `timebase`, `format`, and `tracks` are never used
[INFO] [stderr]   --> src/midi/formats.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl Smf {
[INFO] [stderr]    | -------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn timebase(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     pub fn format(&self) -> Format {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |     pub fn tracks(&self) -> &Vec<TrackChunk> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `tag`, `header_len`, `format`, and `division` are never read
[INFO] [stderr]   --> src/midi/formats.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub struct HeaderChunk {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr] 80 |     tag: Tag,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 81 |     header_len: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 82 |     format: Format,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 87 |     division: i16,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `HeaderChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `track_num` is never used
[INFO] [stderr]   --> src/midi/formats.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 90 | impl HeaderChunk {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] 91 |     pub fn track_num(&self) -> u16 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `tag`, `track_len`, and `events` are never read
[INFO] [stderr]    --> src/midi/formats.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub struct TrackChunk {
[INFO] [stderr]     |            ---------- fields in this struct
[INFO] [stderr] 105 |     tag: Tag,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 106 |     track_len: u32,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 107 |     events: Vec<TrackEvent>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TrackChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `delta` and `event` are never read
[INFO] [stderr]    --> src/midi/formats.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub struct TrackEvent {
[INFO] [stderr]     |            ---------- fields in this struct
[INFO] [stderr] 118 |     delta: U28,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 119 |     event: Event,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TrackEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `event` is never used
[INFO] [stderr]    --> src/midi/formats.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 122 | impl TrackEvent {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] 123 |     /// Returns tick and event pair
[INFO] [stderr] 124 |     pub fn event(&self) -> (u32, &Event) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `channel` and `midi_msg` are never read
[INFO] [stderr]    --> src/midi/formats.rs:190:12
[INFO] [stderr]     |
[INFO] [stderr] 190 |     Midi { channel: u8, midi_msg: MidiMessage },
[INFO] [stderr]     |     ----   ^^^^^^^      ^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     fields in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `sysex_msg` is never read
[INFO] [stderr]    --> src/midi/formats.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |     Sysex { sysex_msg: Slice },
[INFO] [stderr]     |     -----   ^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:208:20
[INFO] [stderr]     |
[INFO] [stderr] 208 |     SequenceNumber(Slice),
[INFO] [stderr]     |     -------------- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 208 -     SequenceNumber(Slice),
[INFO] [stderr] 208 +     SequenceNumber(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:209:10
[INFO] [stderr]     |
[INFO] [stderr] 209 |     Text(String),
[INFO] [stderr]     |     ---- ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 209 -     Text(String),
[INFO] [stderr] 209 +     Text(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:210:15
[INFO] [stderr]     |
[INFO] [stderr] 210 |     Copyright(String),
[INFO] [stderr]     |     --------- ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 210 -     Copyright(String),
[INFO] [stderr] 210 +     Copyright(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:211:15
[INFO] [stderr]     |
[INFO] [stderr] 211 |     TrackName(String),
[INFO] [stderr]     |     --------- ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 211 -     TrackName(String),
[INFO] [stderr] 211 +     TrackName(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:212:20
[INFO] [stderr]     |
[INFO] [stderr] 212 |     InstrumentName(String),
[INFO] [stderr]     |     -------------- ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 212 -     InstrumentName(String),
[INFO] [stderr] 212 +     InstrumentName(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:213:11
[INFO] [stderr]     |
[INFO] [stderr] 213 |     Lyric(String),
[INFO] [stderr]     |     ----- ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 213 -     Lyric(String),
[INFO] [stderr] 213 +     Lyric(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:214:12
[INFO] [stderr]     |
[INFO] [stderr] 214 |     Marker(String),
[INFO] [stderr]     |     ------ ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 214 -     Marker(String),
[INFO] [stderr] 214 +     Marker(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:215:14
[INFO] [stderr]     |
[INFO] [stderr] 215 |     CuePoint(String),
[INFO] [stderr]     |     -------- ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 215 -     CuePoint(String),
[INFO] [stderr] 215 +     CuePoint(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:216:19
[INFO] [stderr]     |
[INFO] [stderr] 216 |     ChannelPrefix(Slice),
[INFO] [stderr]     |     ------------- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 216 -     ChannelPrefix(Slice),
[INFO] [stderr] 216 +     ChannelPrefix(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:217:16
[INFO] [stderr]     |
[INFO] [stderr] 217 |     EndOfTrack(Slice),
[INFO] [stderr]     |     ---------- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 217 -     EndOfTrack(Slice),
[INFO] [stderr] 217 +     EndOfTrack(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:227:11
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Tempo(u32),
[INFO] [stderr]     |     ----- ^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 227 -     Tempo(u32),
[INFO] [stderr] 227 +     Tempo(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:228:17
[INFO] [stderr]     |
[INFO] [stderr] 228 |     SmpteOffset(Slice),
[INFO] [stderr]     |     ----------- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 228 -     SmpteOffset(Slice),
[INFO] [stderr] 228 +     SmpteOffset(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:229:19
[INFO] [stderr]     |
[INFO] [stderr] 229 |     TimeSignature(Slice),
[INFO] [stderr]     |     ------------- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 229 -     TimeSignature(Slice),
[INFO] [stderr] 229 +     TimeSignature(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:230:18
[INFO] [stderr]     |
[INFO] [stderr] 230 |     KeySignature(Slice),
[INFO] [stderr]     |     ------------ ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 230 -     KeySignature(Slice),
[INFO] [stderr] 230 +     KeySignature(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:231:23
[INFO] [stderr]     |
[INFO] [stderr] 231 |     SequencerSpecific(Slice),
[INFO] [stderr]     |     ----------------- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 231 -     SequencerSpecific(Slice),
[INFO] [stderr] 231 +     SequencerSpecific(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:232:13
[INFO] [stderr]     |
[INFO] [stderr] 232 |     Unknown(Slice),
[INFO] [stderr]     |     ------- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MetaMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 232 -     Unknown(Slice),
[INFO] [stderr] 232 +     Unknown(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/midi/formats.rs:237:15
[INFO] [stderr]     |
[INFO] [stderr] 237 | pub struct U7(u8);
[INFO] [stderr]     |            -- ^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `U7` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `key` and `vel` are never read
[INFO] [stderr]    --> src/midi/formats.rs:248:15
[INFO] [stderr]     |
[INFO] [stderr] 248 |     NoteOff { key: U7, vel: U7 },
[INFO] [stderr]     |     -------   ^^^      ^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     fields in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `key` and `vel` are never read
[INFO] [stderr]    --> src/midi/formats.rs:250:14
[INFO] [stderr]     |
[INFO] [stderr] 250 |     NoteOn { key: U7, vel: U7 },
[INFO] [stderr]     |     ------   ^^^      ^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     fields in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `key` and `vel` are never read
[INFO] [stderr]    --> src/midi/formats.rs:252:18
[INFO] [stderr]     |
[INFO] [stderr] 252 |     Aftertouch { key: U7, vel: U7 },
[INFO] [stderr]     |     ----------   ^^^      ^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     fields in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `controller` and `value` are never read
[INFO] [stderr]    --> src/midi/formats.rs:254:21
[INFO] [stderr]     |
[INFO] [stderr] 254 |     ControlChange { controller: U7, value: U7 },
[INFO] [stderr]     |     -------------   ^^^^^^^^^^      ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     fields in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `program` is never read
[INFO] [stderr]    --> src/midi/formats.rs:256:19
[INFO] [stderr]     |
[INFO] [stderr] 256 |     PatchChange { program: U7 },
[INFO] [stderr]     |     -----------   ^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `vel` is never read
[INFO] [stderr]    --> src/midi/formats.rs:258:23
[INFO] [stderr]     |
[INFO] [stderr] 258 |     ChannelPressure { vel: U7 },
[INFO] [stderr]     |     ---------------   ^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]    --> src/midi/formats.rs:260:17
[INFO] [stderr]     |
[INFO] [stderr] 260 |     PitchBend { value: U14 },
[INFO] [stderr]     |     ---------   ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MidiMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Player` is never constructed
[INFO] [stderr]  --> src/midi/player.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Player {}
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new` and `play` are never used
[INFO] [stderr]   --> src/midi/player.rs:6:8
[INFO] [stderr]    |
[INFO] [stderr]  5 | impl Player {
[INFO] [stderr]    | ----------- associated functions in this implementation
[INFO] [stderr]  6 |     fn new(smf: Smf) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     fn play() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Mixer` is never constructed
[INFO] [stderr]  --> src/mix.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Mixer {}
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Oscillator` is never constructed
[INFO] [stderr]  --> src/osc/mod.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Oscillator {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `OscKind` is never used
[INFO] [stderr]  --> src/osc/mod.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum OscKind {
[INFO] [stderr]   |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_synth` (bin "simple_synth" test) generated 38 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simple_synth-3fb47cf4429bbd0e)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test midi::formats::midi_tests::slice_to_string ... ok
[INFO] [stdout] test midi::formats::midi_tests::struct_slice ... ok
[INFO] [stdout] test midi::formats::midi_tests::struct_u14 ... ok
[INFO] [stdout] test midi::formats::midi_tests::struct_u28 ... ok
[INFO] [stdout] test midi::formats::midi_tests::slice_to_u32 ... ok
[INFO] [stderr] ALSA lib confmisc.c:855:(parse_card) cannot find card '0'
[INFO] [stderr] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory
[INFO] [stderr] ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings
[INFO] [stderr] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
[INFO] [stderr] ALSA lib confmisc.c:1342:(snd_func_refer) error evaluating name
[INFO] [stderr] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
[INFO] [stderr] ALSA lib conf.c:5727:(snd_config_expand) Evaluate error: No such file or directory
[INFO] [stderr] ALSA lib pcm.c:2721:(snd_pcm_open_noupdate) Unknown PCM default
[INFO] [stderr] ALSA lib confmisc.c:855:(parse_card) cannot find card '0'
[INFO] [stderr] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory
[INFO] [stderr] ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings
[INFO] [stderr] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
[INFO] [stderr] ALSA lib confmisc.c:1342:(snd_func_refer) error evaluating name
[INFO] [stderr] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
[INFO] [stderr] ALSA lib conf.c:5727:(snd_config_expand) Evaluate error: No such file or directory
[INFO] [stderr] ALSA lib pcm.c:2721:(snd_pcm_open_noupdate) Unknown PCM default
[INFO] [stdout] test midi::formats::midi_tests::parse ... FAILED
[INFO] [stdout] test audio::tests::default_channel_is_2 ... FAILED
[INFO] [stdout] test audio::tests::audio_out_start_stream ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- midi::formats::midi_tests::parse stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'midi::formats::midi_tests::parse' (27) panicked at src/midi/formats.rs:527:65:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IOError(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6382b65f2092 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6382b65f2092 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6382b65f2092 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6382b65f2092 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6382b660250f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6382b660250f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x6382b65bf803 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6382b65bf803 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6382b65cb6d2 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6382b65d032f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x6382b65d01c1 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x6382b656883e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x6382b656883e - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6382b65d093f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x6382b65d093f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x6382b65d079a - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x6382b65cb819 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x6382b65b40fd - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x6382b660a040 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6382b66095c6 - core::result::unwrap_failed::h2380020e6daeb464
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x6382b6543f17 - core::result::Result<T,E>::unwrap::hb418c95728b02624
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x6382b6543f17 - simple_synth::midi::formats::midi_tests::parse::hf39812b4e634db05
[INFO] [stdout]                                at /opt/rustwide/workdir/src/midi/formats.rs:527:65
[INFO] [stdout]   22:     0x6382b65440b7 - simple_synth::midi::formats::midi_tests::parse::{{closure}}::h662d9f401a106c03
[INFO] [stdout]                                at /opt/rustwide/workdir/src/midi/formats.rs:526:15
[INFO] [stdout]   23:     0x6382b653b176 - core::ops::function::FnOnce::call_once::he9c316f008f51142
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6382b656861b - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6382b656861b - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x6382b657c69d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x6382b657c69d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x6382b657c69d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x6382b657c69d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x6382b657c69d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6382b657c69d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x6382b657c69d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x6382b6555bb4 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x6382b6555bb4 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x6382b65594ea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x6382b65594ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x6382b65594ea - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x6382b65594ea - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x6382b65594ea - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6382b65594ea - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x6382b65594ea - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6382b65c6c0f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x6382b65c6c0f - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x744e9883eaa4 - <unknown>
[INFO] [stdout]   45:     0x744e988cba64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- audio::tests::default_channel_is_2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'audio::tests::default_channel_is_2' (26) panicked at src/audio.rs:15:68:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DeviceNotAvailable
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6382b65f2092 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6382b65f2092 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6382b65f2092 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6382b65f2092 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6382b660250f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6382b660250f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x6382b65bf803 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6382b65bf803 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6382b65cb6d2 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6382b65d032f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x6382b65d01c1 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x6382b656883e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x6382b656883e - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6382b65d093f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x6382b65d093f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x6382b65d079a - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x6382b65cb819 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x6382b65b40fd - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x6382b660a040 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6382b66095c6 - core::result::unwrap_failed::h2380020e6daeb464
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x6382b6547e03 - core::result::Result<T,E>::unwrap::h30a6f7ec71449a59
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x6382b6547e03 - <simple_synth::audio::OutputStreamParams as core::default::Default>::default::h73fd6c2bc73e603d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/audio.rs:15:68
[INFO] [stdout]   22:     0x6382b65441c1 - simple_synth::audio::tests::default_channel_is_2::h8abbda6db92e1fe4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/audio.rs:83:21
[INFO] [stdout]   23:     0x6382b6544297 - simple_synth::audio::tests::default_channel_is_2::{{closure}}::hf60bd792b5495b85
[INFO] [stdout]                                at /opt/rustwide/workdir/src/audio.rs:82:30
[INFO] [stdout]   24:     0x6382b653ae96 - core::ops::function::FnOnce::call_once::h283277195533365a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6382b656861b - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x6382b656861b - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x6382b657c69d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x6382b657c69d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x6382b657c69d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x6382b657c69d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x6382b657c69d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x6382b657c69d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x6382b657c69d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x6382b6555bb4 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x6382b6555bb4 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x6382b65594ea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x6382b65594ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x6382b65594ea - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x6382b65594ea - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x6382b65594ea - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x6382b65594ea - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x6382b65594ea - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x6382b65c6c0f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x6382b65c6c0f - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x744e9883eaa4 - <unknown>
[INFO] [stdout]   46:     0x744e988cba64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- audio::tests::audio_out_start_stream stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'audio::tests::audio_out_start_stream' (25) panicked at src/audio.rs:15:68:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DeviceNotAvailable
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6382b65f2092 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6382b65f2092 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6382b65f2092 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6382b65f2092 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6382b660250f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6382b660250f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x6382b65bf803 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6382b65bf803 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6382b65cb6d2 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6382b65d032f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x6382b65d01c1 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x6382b656883e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x6382b656883e - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6382b65d093f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x6382b65d093f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x6382b65d079a - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x6382b65cb819 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x6382b65b40fd - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x6382b660a040 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6382b66095c6 - core::result::unwrap_failed::h2380020e6daeb464
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x6382b6547e03 - core::result::Result<T,E>::unwrap::h30a6f7ec71449a59
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x6382b6547e03 - <simple_synth::audio::OutputStreamParams as core::default::Default>::default::h73fd6c2bc73e603d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/audio.rs:15:68
[INFO] [stdout]   22:     0x6382b65442cb - simple_synth::audio::tests::audio_out_start_stream::hafb57cbdf170b9ad
[INFO] [stdout]                                at /opt/rustwide/workdir/src/audio.rs:92:45
[INFO] [stdout]   23:     0x6382b6544457 - simple_synth::audio::tests::audio_out_start_stream::{{closure}}::h7371251a2dbf41ae
[INFO] [stdout]                                at /opt/rustwide/workdir/src/audio.rs:88:32
[INFO] [stdout]   24:     0x6382b653afa6 - core::ops::function::FnOnce::call_once::h5d52e11c294673bc
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6382b656861b - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x6382b656861b - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x6382b657c69d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x6382b657c69d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x6382b657c69d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x6382b657c69d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x6382b657c69d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x6382b657c69d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x6382b657c69d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x6382b6555bb4 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x6382b6555bb4 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x6382b65594ea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x6382b65594ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x6382b65594ea - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x6382b65594ea - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x6382b65594ea - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x6382b65594ea - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x6382b65594ea - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x6382b65c6c0f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x6382b65c6c0f - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x744e9883eaa4 - <unknown>
[INFO] [stdout]   46:     0x744e988cba64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     audio::tests::audio_out_start_stream
[INFO] [stdout]     audio::tests::default_channel_is_2
[INFO] [stdout]     midi::formats::midi_tests::parse
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin simple_synth`
[INFO] running `Command { std: "docker" "inspect" "4f910a4e95e5af8f6928a39e1e471813366512c40aa672d44e8ef3f1d29c5b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f910a4e95e5af8f6928a39e1e471813366512c40aa672d44e8ef3f1d29c5b65", kill_on_drop: false }`
[INFO] [stdout] 4f910a4e95e5af8f6928a39e1e471813366512c40aa672d44e8ef3f1d29c5b65
