[INFO] cloning repository https://github.com/lukeweston1234/quick-mixer-bus-reverb-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukeweston1234/quick-mixer-bus-reverb-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeweston1234%2Fquick-mixer-bus-reverb-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeweston1234%2Fquick-mixer-bus-reverb-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 339fd14a574f207e9c127e02bf6d2df6da8e6b77
[INFO] testing lukeweston1234/quick-mixer-bus-reverb-demo against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeweston1234%2Fquick-mixer-bus-reverb-demo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukeweston1234/quick-mixer-bus-reverb-demo
[INFO] finished tweaking git repo https://github.com/lukeweston1234/quick-mixer-bus-reverb-demo
[INFO] tweaked toml for git repo https://github.com/lukeweston1234/quick-mixer-bus-reverb-demo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukeweston1234/quick-mixer-bus-reverb-demo on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukeweston1234/quick-mixer-bus-reverb-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: profile.release.target-cpu
[INFO] [stderr] warning: `audio-track-demo` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72
[INFO] running `Command { std: "docker" "start" "937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: profile.release.target-cpu
[INFO] [stderr] warning: `audio-track-demo` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling audio-track-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `audio::mixer::Mixer`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use audio::mixer::Mixer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TrackController`, `Track`, and `build_track`
[INFO] [stdout]  --> src/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use audio::track::{build_track, Track, TrackController};
[INFO] [stdout]   |                    ^^^^^^^^^^^  ^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]   --> src/main.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crossbeam_channel::{bounded, Receiver, Sender};
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixer_controllers`
[INFO] [stdout]   --> src/main.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let (bus, track_controllers, mixer_controllers) =
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixer_controllers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sample_rate` is never read
[INFO] [stdout]  --> src/audio/audio_sample.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct AudioSample<T> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 4 |     sample_rate: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_samples` is never used
[INFO] [stdout]   --> src/audio/audio_sample.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | / impl<T> AudioSample<T>
[INFO] [stdout]  7 | | where
[INFO] [stdout]  8 | |     T: Copy,
[INFO] [stdout]    | |____________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |       pub fn set_samples(&mut self, new_sample: Vec<T>) {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reverb` is never read
[INFO] [stdout]  --> src/audio/bus.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bus<T> {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 4 |     sources: Vec<Box<dyn Playable<T> + Send>>,
[INFO] [stdout] 5 |     reverb: Freeverb,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_reverb_wet` is never used
[INFO] [stdout]   --> src/audio/bus.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl<T> Bus<T> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn set_reverb_wet(&mut self, wet: f32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SetReverbWet` and `SetGain` are never constructed
[INFO] [stdout]  --> src/audio/mixer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum MixerCommand {
[INFO] [stdout]   |          ------------ variants in this enum
[INFO] [stdout] 6 |     SetReverbWet(f32),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 7 |     SetGain(f32),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sender` is never read
[INFO] [stdout]   --> src/audio/mixer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct MixerController {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 12 |     sender: Sender<MixerCommand>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MixerController` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_gain` and `set_reverb_wet` are never used
[INFO] [stdout]   --> src/audio/mixer.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl MixerController {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn set_gain(&self, gain: f32) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn set_reverb_wet(&self, wet: f32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_freeze` and `set_dry` are never used
[INFO] [stdout]    --> src/audio/reverb/freeverb.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl Freeverb {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn set_freeze(&mut self, frozen: bool) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 205 |     pub fn set_dry(&mut self, value: f32) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `reset_position` and `set_is_looping` are never used
[INFO] [stdout]   --> src/audio/sampler.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | / impl<T> Sampler<T>
[INFO] [stdout] 12 | | where
[INFO] [stdout] 13 | |     T: Copy + Send,
[INFO] [stdout]    | |___________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |       pub fn reset_position(&mut self) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |       pub fn set_is_looping(&mut self, new_value: bool) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Paused`, `OnlyInput`, and `End` are never constructed
[INFO] [stdout]   --> src/audio/track.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum TrackState {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout]  8 |     Playing,
[INFO] [stdout]  9 |     Paused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     Stopped,
[INFO] [stdout] 11 |     OnlyInput,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `play`, `pause`, `stop`, `only_input`, `clear_sample`, and `end` are never used
[INFO] [stdout]   --> src/audio/track.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl TrackController {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn play(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn pause(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn stop(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn only_input(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn clear_sample(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn end(&self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `play`, `pause`, `stop`, `only_feedback`, `record`, and `clear_sample` are never used
[INFO] [stdout]   --> src/audio/track.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | / impl<T> Track<T>
[INFO] [stdout] 60 | | where
[INFO] [stdout] 61 | |     T: Copy + Send,
[INFO] [stdout]    | |___________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |       pub fn play(&mut self) {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |       pub fn pause(&mut self) {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |       pub fn stop(&mut self) {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |       pub fn only_feedback(&mut self) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |       pub fn record(&mut self) {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |       pub fn clear_sample(&mut self) {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         self.sender.send(TrackState::Playing);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = self.sender.send(TrackState::Playing);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         self.sender.send(TrackState::Paused);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = self.sender.send(TrackState::Paused);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.sender.send(TrackState::Stopped);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let _ = self.sender.send(TrackState::Stopped);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.sender.send(TrackState::OnlyInput);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = self.sender.send(TrackState::OnlyInput);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         self.sender.send(TrackState::Recording);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = self.sender.send(TrackState::Recording);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         self.sender.send(TrackState::ClearSample);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = self.sender.send(TrackState::ClearSample);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         self.sender.send(TrackState::End);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let _ = self.sender.send(TrackState::End);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 11.29s
[INFO] running `Command { std: "docker" "inspect" "937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: profile.release.target-cpu
[INFO] [stderr] warning: `audio-track-demo` (manifest) generated 1 warning
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling audio-track-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `audio::mixer::Mixer`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use audio::mixer::Mixer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TrackController`, `Track`, and `build_track`
[INFO] [stdout]  --> src/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use audio::track::{build_track, Track, TrackController};
[INFO] [stdout]   |                    ^^^^^^^^^^^  ^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]   --> src/main.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crossbeam_channel::{bounded, Receiver, Sender};
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixer_controllers`
[INFO] [stdout]   --> src/main.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let (bus, track_controllers, mixer_controllers) =
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixer_controllers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sample_rate` is never read
[INFO] [stdout]  --> src/audio/audio_sample.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct AudioSample<T> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 4 |     sample_rate: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_samples` is never used
[INFO] [stdout]   --> src/audio/audio_sample.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | / impl<T> AudioSample<T>
[INFO] [stdout]  7 | | where
[INFO] [stdout]  8 | |     T: Copy,
[INFO] [stdout]    | |____________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |       pub fn set_samples(&mut self, new_sample: Vec<T>) {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reverb` is never read
[INFO] [stdout]  --> src/audio/bus.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bus<T> {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 4 |     sources: Vec<Box<dyn Playable<T> + Send>>,
[INFO] [stdout] 5 |     reverb: Freeverb,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_reverb_wet` is never used
[INFO] [stdout]   --> src/audio/bus.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl<T> Bus<T> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn set_reverb_wet(&mut self, wet: f32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SetReverbWet` and `SetGain` are never constructed
[INFO] [stdout]  --> src/audio/mixer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum MixerCommand {
[INFO] [stdout]   |          ------------ variants in this enum
[INFO] [stdout] 6 |     SetReverbWet(f32),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 7 |     SetGain(f32),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sender` is never read
[INFO] [stdout]   --> src/audio/mixer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct MixerController {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 12 |     sender: Sender<MixerCommand>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MixerController` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_gain` and `set_reverb_wet` are never used
[INFO] [stdout]   --> src/audio/mixer.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl MixerController {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn set_gain(&self, gain: f32) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn set_reverb_wet(&self, wet: f32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_freeze` and `set_dry` are never used
[INFO] [stdout]    --> src/audio/reverb/freeverb.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl Freeverb {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn set_freeze(&mut self, frozen: bool) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 205 |     pub fn set_dry(&mut self, value: f32) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `reset_position` and `set_is_looping` are never used
[INFO] [stdout]   --> src/audio/sampler.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | / impl<T> Sampler<T>
[INFO] [stdout] 12 | | where
[INFO] [stdout] 13 | |     T: Copy + Send,
[INFO] [stdout]    | |___________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |       pub fn reset_position(&mut self) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |       pub fn set_is_looping(&mut self, new_value: bool) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Paused`, `OnlyInput`, and `End` are never constructed
[INFO] [stdout]   --> src/audio/track.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum TrackState {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout]  8 |     Playing,
[INFO] [stdout]  9 |     Paused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     Stopped,
[INFO] [stdout] 11 |     OnlyInput,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `play`, `pause`, `stop`, `only_input`, `clear_sample`, and `end` are never used
[INFO] [stdout]   --> src/audio/track.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl TrackController {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn play(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn pause(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn stop(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn only_input(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn clear_sample(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn end(&self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `play`, `pause`, `stop`, `only_feedback`, `record`, and `clear_sample` are never used
[INFO] [stdout]   --> src/audio/track.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | / impl<T> Track<T>
[INFO] [stdout] 60 | | where
[INFO] [stdout] 61 | |     T: Copy + Send,
[INFO] [stdout]    | |___________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |       pub fn play(&mut self) {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |       pub fn pause(&mut self) {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |       pub fn stop(&mut self) {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |       pub fn only_feedback(&mut self) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |       pub fn record(&mut self) {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |       pub fn clear_sample(&mut self) {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         self.sender.send(TrackState::Playing);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = self.sender.send(TrackState::Playing);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         self.sender.send(TrackState::Paused);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = self.sender.send(TrackState::Paused);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.sender.send(TrackState::Stopped);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let _ = self.sender.send(TrackState::Stopped);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.sender.send(TrackState::OnlyInput);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = self.sender.send(TrackState::OnlyInput);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         self.sender.send(TrackState::Recording);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = self.sender.send(TrackState::Recording);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         self.sender.send(TrackState::ClearSample);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = self.sender.send(TrackState::ClearSample);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio/track.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         self.sender.send(TrackState::End);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let _ = self.sender.send(TrackState::End);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 13.76s
[INFO] running `Command { std: "docker" "inspect" "937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: profile.release.target-cpu
[INFO] [stderr] warning: `audio-track-demo` (manifest) generated 1 warning
[INFO] [stderr] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::mpsc::channel;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `audio::mixer::Mixer`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use audio::mixer::Mixer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TrackController`, `Track`, and `build_track`
[INFO] [stderr]  --> src/main.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 | use audio::track::{build_track, Track, TrackController};
[INFO] [stderr]   |                    ^^^^^^^^^^^  ^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Receiver`
[INFO] [stderr]   --> src/main.rs:12:34
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crossbeam_channel::{bounded, Receiver, Sender};
[INFO] [stderr]    |                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mixer_controllers`
[INFO] [stderr]   --> src/main.rs:19:34
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let (bus, track_controllers, mixer_controllers) =
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixer_controllers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `sample_rate` is never read
[INFO] [stderr]  --> src/audio/audio_sample.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct AudioSample<T> {
[INFO] [stderr]   |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 4 |     sample_rate: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_samples` is never used
[INFO] [stderr]   --> src/audio/audio_sample.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr]  6 | / impl<T> AudioSample<T>
[INFO] [stderr]  7 | | where
[INFO] [stderr]  8 | |     T: Copy,
[INFO] [stderr]    | |____________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 26 |       pub fn set_samples(&mut self, new_sample: Vec<T>) {
[INFO] [stderr]    |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `reverb` is never read
[INFO] [stderr]  --> src/audio/bus.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Bus<T> {
[INFO] [stderr]   |            --- field in this struct
[INFO] [stderr] 4 |     sources: Vec<Box<dyn Playable<T> + Send>>,
[INFO] [stderr] 5 |     reverb: Freeverb,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_reverb_wet` is never used
[INFO] [stderr]   --> src/audio/bus.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl<T> Bus<T> {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub fn set_reverb_wet(&mut self, wet: f32) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `SetReverbWet` and `SetGain` are never constructed
[INFO] [stderr]  --> src/audio/mixer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum MixerCommand {
[INFO] [stderr]   |          ------------ variants in this enum
[INFO] [stderr] 6 |     SetReverbWet(f32),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 7 |     SetGain(f32),
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `sender` is never read
[INFO] [stderr]   --> src/audio/mixer.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct MixerController {
[INFO] [stderr]    |            --------------- field in this struct
[INFO] [stderr] 12 |     sender: Sender<MixerCommand>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MixerController` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_gain` and `set_reverb_wet` are never used
[INFO] [stderr]   --> src/audio/mixer.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl MixerController {
[INFO] [stderr]    | -------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 18 |     fn set_gain(&self, gain: f32) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     fn set_reverb_wet(&self, wet: f32) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_freeze` and `set_dry` are never used
[INFO] [stderr]    --> src/audio/reverb/freeverb.rs:156:12
[INFO] [stderr]     |
[INFO] [stderr]  56 | impl Freeverb {
[INFO] [stderr]     | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 156 |     pub fn set_freeze(&mut self, frozen: bool) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 205 |     pub fn set_dry(&mut self, value: f32) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `reset_position` and `set_is_looping` are never used
[INFO] [stderr]   --> src/audio/sampler.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | / impl<T> Sampler<T>
[INFO] [stderr] 12 | | where
[INFO] [stderr] 13 | |     T: Copy + Send,
[INFO] [stderr]    | |___________________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 44 |       pub fn reset_position(&mut self) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |       pub fn set_is_looping(&mut self, new_value: bool) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Paused`, `OnlyInput`, and `End` are never constructed
[INFO] [stderr]   --> src/audio/track.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr]  7 | pub enum TrackState {
[INFO] [stderr]    |          ---------- variants in this enum
[INFO] [stderr]  8 |     Playing,
[INFO] [stderr]  9 |     Paused,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 10 |     Stopped,
[INFO] [stderr] 11 |     OnlyInput,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     End,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `play`, `pause`, `stop`, `only_input`, `clear_sample`, and `end` are never used
[INFO] [stderr]   --> src/audio/track.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl TrackController {
[INFO] [stderr]    | -------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn play(&self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn pause(&self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub fn stop(&self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn only_input(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn clear_sample(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     pub fn end(&self) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `play`, `pause`, `stop`, `only_feedback`, `record`, and `clear_sample` are never used
[INFO] [stderr]   --> src/audio/track.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 59 | / impl<T> Track<T>
[INFO] [stderr] 60 | | where
[INFO] [stderr] 61 | |     T: Copy + Send,
[INFO] [stderr]    | |___________________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 77 |       pub fn play(&mut self) {
[INFO] [stderr]    |              ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 80 |       pub fn pause(&mut self) {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 83 |       pub fn stop(&mut self) {
[INFO] [stderr]    |              ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 87 |       pub fn only_feedback(&mut self) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90 |       pub fn record(&mut self) {
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 96 |       pub fn clear_sample(&mut self) {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/audio/track.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         self.sender.send(TrackState::Playing);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let _ = self.sender.send(TrackState::Playing);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/audio/track.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         self.sender.send(TrackState::Paused);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let _ = self.sender.send(TrackState::Paused);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/audio/track.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         self.sender.send(TrackState::Stopped);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let _ = self.sender.send(TrackState::Stopped);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/audio/track.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         self.sender.send(TrackState::OnlyInput);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let _ = self.sender.send(TrackState::OnlyInput);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/audio/track.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         self.sender.send(TrackState::Recording);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let _ = self.sender.send(TrackState::Recording);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/audio/track.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         self.sender.send(TrackState::ClearSample);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let _ = self.sender.send(TrackState::ClearSample);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/audio/track.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         self.sender.send(TrackState::End);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let _ = self.sender.send(TrackState::End);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `audio-track-demo` (bin "audio-track-demo" test) generated 24 warnings (run `cargo fix --bin "audio-track-demo" -p audio-track-demo --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/audio_track_demo-ee6aacdea3e07d57)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test audio::reverb::freeverb::tests::ticking_does_something ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72", kill_on_drop: false }`
[INFO] [stdout] 937ddb8de13bbf51e3367da812887842ef3fa4f5e615d11b6a2435b7ffd71f72
