[INFO] cloning repository https://github.com/colevoss/audio-engine-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colevoss/audio-engine-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolevoss%2Faudio-engine-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolevoss%2Faudio-engine-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e846660fa3751248a5cd569cda5581a941bc3c4
[INFO] checking colevoss/audio-engine-rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolevoss%2Faudio-engine-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/colevoss/audio-engine-rs
[INFO] finished tweaking git repo https://github.com/colevoss/audio-engine-rs
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[INFO] validating manifest of git repo https://github.com/colevoss/audio-engine-rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
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[INFO] crate git repo https://github.com/colevoss/audio-engine-rs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/builder.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam::channel::{self, Receiver, Sender};
[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 imports: `JoinHandle`, `mpsc::channel`, and `time::Duration`
[INFO] [stdout]  --> src/builder.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::{mpsc::channel, Arc},
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     thread::{self, JoinHandle},
[INFO] [stdout]   |                    ^^^^^^^^^^
[INFO] [stdout] 6 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SupportedStreamConfig`
[INFO] [stdout]  --> src/builder.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use cpal::{StreamConfig, SupportedStreamConfig};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `select`
[INFO] [stdout]  --> src/engine.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam::channel::{bounded, select, Receiver, Sender};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `broadcast` and `mpsc`
[INFO] [stdout]   --> src/engine.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::sync::{broadcast, mpsc};
[INFO] [stdout]    |                   ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SupportedStreamConfig`
[INFO] [stdout]  --> src/source_reader.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cpal::{StreamConfig, SupportedStreamConfig};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FftFixedInOut`
[INFO] [stdout]  --> src/source_reader.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rubato::{FftFixedInOut, FftFixedOut, Resampler};
[INFO] [stdout]   |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::channel::Receiver`
[INFO] [stdout]  --> src/track.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam::channel::Receiver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::Mutex`
[INFO] [stdout]  --> src/track.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parking_lot::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sync::Arc` and `thread`
[INFO] [stdout]  --> src/track.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{sync::Arc, thread};
[INFO] [stdout]   |           ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EngineController` and `Engine`
[INFO] [stdout]  --> src/track.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     engine::{Engine, EngineController},
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sample_total` is never read
[INFO] [stdout]    --> src/builder.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 sample_total = 0f32;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixer_tx`
[INFO] [stdout]   --> src/builder.rs:84:14
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let (mixer_tx, mixer_rx) = channel::bounded::<f32>(playback.channels.len());
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixer_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixer_rx`
[INFO] [stdout]   --> src/builder.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let (mixer_tx, mixer_rx) = channel::bounded::<f32>(playback.channels.len());
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixer_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/channer.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let t = thread::spawn(move || {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/channer.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/channer.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             i = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/engine.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |             let stream = engine_lock.start_stream().unwrap();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sources`
[INFO] [stdout]    --> src/engine.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let sources = self.sources.clone();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sources`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/engine.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let sender = self.prod.clone();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_rx`
[INFO] [stdout]    --> src/engine.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let command_rx = self.command_rx.clone();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state_machine`
[INFO] [stdout]    --> src/engine.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let state_machine = self.engine_state.clone();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `clip_model` is never read
[INFO] [stdout]   --> src/builder.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct PlayableClip {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 40 |     reader: SourceReader,
[INFO] [stdout] 41 |     clip_model: ClipModel,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/channer.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn test() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Channel` is never constructed
[INFO] [stdout]  --> src/channer.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Channel {}
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test` is never used
[INFO] [stdout]   --> src/channer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Channel {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 11 |     pub fn test(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_with_channels` is never used
[INFO] [stdout]   --> src/channer.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn try_with_channels() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `channel_threads_test` is never used
[INFO] [stdout]   --> src/channer.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn channel_threads_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> src/engine.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Engine {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 17 |     rx: Receiver<f32>,
[INFO] [stdout] 18 |     host: Host,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tracks` and `command_tx` are never read
[INFO] [stdout]   --> src/engine.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct EngineController {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 82 |     sources: Arc<Mutex<Sources>>,
[INFO] [stdout] 83 |     tracks: Vec<Arc<Track>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 84 |     engine: Arc<Mutex<Engine>>,
[INFO] [stdout] 85 |     command_tx: Sender<EngineCommand>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pause` is never constructed
[INFO] [stdout]    --> src/engine.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 233 | enum EngineCommand {
[INFO] [stdout]     |      ------------- variant in this enum
[INFO] [stdout] 234 |     Play,
[INFO] [stdout] 235 |     Pause,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EngineCommand` 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 `rx` and `tx` are never read
[INFO] [stdout]   --> src/mixer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Track {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     rx: Receiver<f32>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     tx: Sender<f32>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/channer.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 tx.send(0);
[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] 64 |                 let _ = tx.send(0);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/channer.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             mixer_tx.send(i);
[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] 105 |             let _ = mixer_tx.send(i);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Engine`
[INFO] [stdout]  --> src/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use engine::{Engine, EngineController};
[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: `Sender`
[INFO] [stdout]  --> src/builder.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam::channel::{self, Receiver, Sender};
[INFO] [stdout]   |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JoinHandle`, `mpsc::channel`, and `time::Duration`
[INFO] [stdout]  --> src/builder.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::{mpsc::channel, Arc},
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     thread::{self, JoinHandle},
[INFO] [stdout]   |                    ^^^^^^^^^^
[INFO] [stdout] 6 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SupportedStreamConfig`
[INFO] [stdout]  --> src/builder.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use cpal::{StreamConfig, SupportedStreamConfig};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `select`
[INFO] [stdout]  --> src/engine.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam::channel::{bounded, select, Receiver, Sender};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `broadcast` and `mpsc`
[INFO] [stdout]   --> src/engine.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::sync::{broadcast, mpsc};
[INFO] [stdout]    |                   ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SupportedStreamConfig`
[INFO] [stdout]  --> src/source_reader.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cpal::{StreamConfig, SupportedStreamConfig};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FftFixedInOut`
[INFO] [stdout]  --> src/source_reader.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rubato::{FftFixedInOut, FftFixedOut, Resampler};
[INFO] [stdout]   |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::channel::Receiver`
[INFO] [stdout]  --> src/track.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam::channel::Receiver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::Mutex`
[INFO] [stdout]  --> src/track.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parking_lot::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sync::Arc` and `thread`
[INFO] [stdout]  --> src/track.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{sync::Arc, thread};
[INFO] [stdout]   |           ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EngineController` and `Engine`
[INFO] [stdout]  --> src/track.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     engine::{Engine, EngineController},
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sample_total` is never read
[INFO] [stdout]    --> src/builder.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 sample_total = 0f32;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixer_tx`
[INFO] [stdout]   --> src/builder.rs:84:14
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let (mixer_tx, mixer_rx) = channel::bounded::<f32>(playback.channels.len());
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixer_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixer_rx`
[INFO] [stdout]   --> src/builder.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let (mixer_tx, mixer_rx) = channel::bounded::<f32>(playback.channels.len());
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixer_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/channer.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let t = thread::spawn(move || {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/channer.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/channer.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             i = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/engine.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |             let stream = engine_lock.start_stream().unwrap();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sources`
[INFO] [stdout]    --> src/engine.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let sources = self.sources.clone();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sources`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/engine.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let sender = self.prod.clone();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_rx`
[INFO] [stdout]    --> src/engine.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let command_rx = self.command_rx.clone();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state_machine`
[INFO] [stdout]    --> src/engine.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let state_machine = self.engine_state.clone();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `clip_model` is never read
[INFO] [stdout]   --> src/builder.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct PlayableClip {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 40 |     reader: SourceReader,
[INFO] [stdout] 41 |     clip_model: ClipModel,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/channer.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn test() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Channel` is never constructed
[INFO] [stdout]  --> src/channer.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Channel {}
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test` is never used
[INFO] [stdout]   --> src/channer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Channel {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 11 |     pub fn test(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_with_channels` is never used
[INFO] [stdout]   --> src/channer.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn try_with_channels() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `channel_threads_test` is never used
[INFO] [stdout]   --> src/channer.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn channel_threads_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> src/engine.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Engine {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 17 |     rx: Receiver<f32>,
[INFO] [stdout] 18 |     host: Host,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tracks` and `command_tx` are never read
[INFO] [stdout]   --> src/engine.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct EngineController {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 82 |     sources: Arc<Mutex<Sources>>,
[INFO] [stdout] 83 |     tracks: Vec<Arc<Track>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 84 |     engine: Arc<Mutex<Engine>>,
[INFO] [stdout] 85 |     command_tx: Sender<EngineCommand>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pause` is never constructed
[INFO] [stdout]    --> src/engine.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 233 | enum EngineCommand {
[INFO] [stdout]     |      ------------- variant in this enum
[INFO] [stdout] 234 |     Play,
[INFO] [stdout] 235 |     Pause,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EngineCommand` 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 `SampleRate` is never constructed
[INFO] [stdout]  --> src/sample_rate.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct SampleRate(pub u32);
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ms_to_sample` and `sample_to_ms` are never used
[INFO] [stdout]   --> src/sample_rate.rs:5:8
[INFO] [stdout]    |
[INFO] [stdout]  3 | impl SampleRate {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout]  4 |     // For now these conversions are happening to keep this as precise as possible
[INFO] [stdout]  5 |     fn ms_to_sample(&self, ms: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn sample_to_ms(&self, sample: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/channer.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 tx.send(0);
[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] 64 |                 let _ = tx.send(0);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/channer.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             mixer_tx.send(i);
[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] 105 |             let _ = mixer_tx.send(i);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: unused imports: `ChannelCount` and `SupportedOutputConfigs`
[INFO] [stdout]  --> benches/benchmarks.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ChannelCount, SampleFormat, SampleRate, SupportedBufferSize, SupportedOutputConfigs,
[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: `black_box`
[INFO] [stdout]  --> benches/benchmarks.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/builder.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam::channel::{self, Receiver, Sender};
[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 imports: `JoinHandle`, `mpsc::channel`, and `time::Duration`
[INFO] [stdout]  --> src/builder.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::{mpsc::channel, Arc},
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     thread::{self, JoinHandle},
[INFO] [stdout]   |                    ^^^^^^^^^^
[INFO] [stdout] 6 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SupportedStreamConfig`
[INFO] [stdout]  --> src/builder.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use cpal::{StreamConfig, SupportedStreamConfig};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `select`
[INFO] [stdout]  --> src/engine.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam::channel::{bounded, select, Receiver, Sender};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `broadcast` and `mpsc`
[INFO] [stdout]   --> src/engine.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::sync::{broadcast, mpsc};
[INFO] [stdout]    |                   ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SupportedStreamConfig`
[INFO] [stdout]  --> src/source_reader.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cpal::{StreamConfig, SupportedStreamConfig};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FftFixedInOut`
[INFO] [stdout]  --> src/source_reader.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rubato::{FftFixedInOut, FftFixedOut, Resampler};
[INFO] [stdout]   |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::channel::Receiver`
[INFO] [stdout]  --> src/track.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam::channel::Receiver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::Mutex`
[INFO] [stdout]  --> src/track.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parking_lot::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sync::Arc` and `thread`
[INFO] [stdout]  --> src/track.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{sync::Arc, thread};
[INFO] [stdout]   |           ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EngineController` and `Engine`
[INFO] [stdout]  --> src/track.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     engine::{Engine, EngineController},
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Engine`
[INFO] [stdout]  --> src/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use engine::{Engine, EngineController};
[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: `Sender`
[INFO] [stdout]  --> src/builder.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam::channel::{self, Receiver, Sender};
[INFO] [stdout]   |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JoinHandle`, `mpsc::channel`, and `time::Duration`
[INFO] [stdout]  --> src/builder.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::{mpsc::channel, Arc},
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     thread::{self, JoinHandle},
[INFO] [stdout]   |                    ^^^^^^^^^^
[INFO] [stdout] 6 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SupportedStreamConfig`
[INFO] [stdout]  --> src/builder.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use cpal::{StreamConfig, SupportedStreamConfig};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `select`
[INFO] [stdout]  --> src/engine.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam::channel::{bounded, select, Receiver, Sender};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `broadcast` and `mpsc`
[INFO] [stdout]   --> src/engine.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::sync::{broadcast, mpsc};
[INFO] [stdout]    |                   ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SupportedStreamConfig`
[INFO] [stdout]  --> src/source_reader.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cpal::{StreamConfig, SupportedStreamConfig};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FftFixedInOut`
[INFO] [stdout]  --> src/source_reader.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rubato::{FftFixedInOut, FftFixedOut, Resampler};
[INFO] [stdout]   |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::channel::Receiver`
[INFO] [stdout]  --> src/track.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam::channel::Receiver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::Mutex`
[INFO] [stdout]  --> src/track.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parking_lot::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sync::Arc` and `thread`
[INFO] [stdout]  --> src/track.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{sync::Arc, thread};
[INFO] [stdout]   |           ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EngineController` and `Engine`
[INFO] [stdout]  --> src/track.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     engine::{Engine, EngineController},
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/benchmarks.rs:77:48
[INFO] [stdout]    |
[INFO] [stdout] 77 |         b.iter(|| PlaybackBuilder::new(&mixer, stream_config.clone()))
[INFO] [stdout]    |                   --------------------         ^^^^^^^^^^^^^^^^^^^^^ expected `StreamConfig`, found `SupportedStreamConfig`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/builder.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new<'a>(mixer: &'a MixerModel, config: StreamConfig) -> Result<Playback, ()> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] help: call `Into::into` on this expression to convert `SupportedStreamConfig` into `StreamConfig`
[INFO] [stdout]    |
[INFO] [stdout] 77 |         b.iter(|| PlaybackBuilder::new(&mixer, stream_config.clone().into()))
[INFO] [stdout]    |                                                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_stuff` (bench "benchmarks") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `sample_total` is never read
[INFO] [stdout]    --> src/builder.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 sample_total = 0f32;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixer_tx`
[INFO] [stdout]   --> src/builder.rs:84:14
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let (mixer_tx, mixer_rx) = channel::bounded::<f32>(playback.channels.len());
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixer_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixer_rx`
[INFO] [stdout]   --> src/builder.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let (mixer_tx, mixer_rx) = channel::bounded::<f32>(playback.channels.len());
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixer_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/channer.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let t = thread::spawn(move || {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/channer.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/channer.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             i = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/engine.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |             let stream = engine_lock.start_stream().unwrap();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sources`
[INFO] [stdout]    --> src/engine.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let sources = self.sources.clone();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sources`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/engine.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let sender = self.prod.clone();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_rx`
[INFO] [stdout]    --> src/engine.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let command_rx = self.command_rx.clone();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state_machine`
[INFO] [stdout]    --> src/engine.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let state_machine = self.engine_state.clone();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sample_total` is never read
[INFO] [stdout]    --> src/builder.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 sample_total = 0f32;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixer_tx`
[INFO] [stdout]   --> src/builder.rs:84:14
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let (mixer_tx, mixer_rx) = channel::bounded::<f32>(playback.channels.len());
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixer_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixer_rx`
[INFO] [stdout]   --> src/builder.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let (mixer_tx, mixer_rx) = channel::bounded::<f32>(playback.channels.len());
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixer_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/channer.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let t = thread::spawn(move || {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/channer.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/channer.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             i = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/engine.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |             let stream = engine_lock.start_stream().unwrap();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sources`
[INFO] [stdout]    --> src/engine.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let sources = self.sources.clone();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sources`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/engine.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let sender = self.prod.clone();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_rx`
[INFO] [stdout]    --> src/engine.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let command_rx = self.command_rx.clone();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state_machine`
[INFO] [stdout]    --> src/engine.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let state_machine = self.engine_state.clone();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `clip_model` is never read
[INFO] [stdout]   --> src/builder.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct PlayableClip {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 40 |     reader: SourceReader,
[INFO] [stdout] 41 |     clip_model: ClipModel,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/channer.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn test() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Channel` is never constructed
[INFO] [stdout]  --> src/channer.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Channel {}
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test` is never used
[INFO] [stdout]   --> src/channer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Channel {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 11 |     pub fn test(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_with_channels` is never used
[INFO] [stdout]   --> src/channer.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn try_with_channels() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `channel_threads_test` is never used
[INFO] [stdout]   --> src/channer.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn channel_threads_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> src/engine.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Engine {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 17 |     rx: Receiver<f32>,
[INFO] [stdout] 18 |     host: Host,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tracks` and `command_tx` are never read
[INFO] [stdout]   --> src/engine.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct EngineController {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 82 |     sources: Arc<Mutex<Sources>>,
[INFO] [stdout] 83 |     tracks: Vec<Arc<Track>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 84 |     engine: Arc<Mutex<Engine>>,
[INFO] [stdout] 85 |     command_tx: Sender<EngineCommand>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pause` is never constructed
[INFO] [stdout]    --> src/engine.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 233 | enum EngineCommand {
[INFO] [stdout]     |      ------------- variant in this enum
[INFO] [stdout] 234 |     Play,
[INFO] [stdout] 235 |     Pause,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EngineCommand` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/channer.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 tx.send(0);
[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] 64 |                 let _ = tx.send(0);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/channer.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             mixer_tx.send(i);
[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] 105 |             let _ = mixer_tx.send(i);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `clip_model` is never read
[INFO] [stdout]   --> src/builder.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct PlayableClip {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 40 |     reader: SourceReader,
[INFO] [stdout] 41 |     clip_model: ClipModel,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/channer.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn test() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Channel` is never constructed
[INFO] [stdout]  --> src/channer.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Channel {}
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test` is never used
[INFO] [stdout]   --> src/channer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Channel {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 11 |     pub fn test(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_with_channels` is never used
[INFO] [stdout]   --> src/channer.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn try_with_channels() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `channel_threads_test` is never used
[INFO] [stdout]   --> src/channer.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn channel_threads_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> src/engine.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Engine {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 17 |     rx: Receiver<f32>,
[INFO] [stdout] 18 |     host: Host,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tracks` and `command_tx` are never read
[INFO] [stdout]   --> src/engine.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct EngineController {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 82 |     sources: Arc<Mutex<Sources>>,
[INFO] [stdout] 83 |     tracks: Vec<Arc<Track>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 84 |     engine: Arc<Mutex<Engine>>,
[INFO] [stdout] 85 |     command_tx: Sender<EngineCommand>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pause` is never constructed
[INFO] [stdout]    --> src/engine.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 233 | enum EngineCommand {
[INFO] [stdout]     |      ------------- variant in this enum
[INFO] [stdout] 234 |     Play,
[INFO] [stdout] 235 |     Pause,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EngineCommand` 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 `rx` and `tx` are never read
[INFO] [stdout]   --> src/mixer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Track {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     rx: Receiver<f32>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     tx: Sender<f32>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/channer.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 tx.send(0);
[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] 64 |                 let _ = tx.send(0);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/channer.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             mixer_tx.send(i);
[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] 105 |             let _ = mixer_tx.send(i);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e39e4a00947a7a1cc5301f7f31ede27f31d8a3b55c1b639b7a096333112ecb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e39e4a00947a7a1cc5301f7f31ede27f31d8a3b55c1b639b7a096333112ecb8", kill_on_drop: false }`
[INFO] [stdout] 9e39e4a00947a7a1cc5301f7f31ede27f31d8a3b55c1b639b7a096333112ecb8