[INFO] cloning repository https://github.com/davidbrowning/oscilloscope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidbrowning/oscilloscope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbrowning%2Foscilloscope", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d33d29058072e6523c8d3e9150f6d5accc81ce8b
[INFO] checking davidbrowning/oscilloscope against master#c797096598b80ba4a40397ad7e91584fcd3df5f1 for pr-146377-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbrowning%2Foscilloscope" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/davidbrowning/oscilloscope
[INFO] finished tweaking git repo https://github.com/davidbrowning/oscilloscope
[INFO] tweaked toml for git repo https://github.com/davidbrowning/oscilloscope written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/davidbrowning/oscilloscope on toolchain c797096598b80ba4a40397ad7e91584fcd3df5f1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/davidbrowning/oscilloscope 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" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "bd7fd3c8335529a99b176b0725a7f23d94f47d6f5c9d799b36a8fcfafa7001df", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut sys_stream = build_audio_stream(AudioSource::SystemOutput, sys_tx.clone())?;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut mic_stream = build_audio_stream(AudioSource::Microphone, mic_tx.clone())?;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut sys_stream = build_audio_stream(AudioSource::SystemOutput, sys_tx.clone())?;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut mic_stream = build_audio_stream(AudioSource::Microphone, mic_tx.clone())?;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct AudioStream {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 13 |     stream: cpal::Stream,
[INFO] [stdout] 14 |     source: AudioSource,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sys_stream`, `mic_stream`, `sys_tx`, and `mic_tx` are never read
[INFO] [stdout]    --> src/main.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  95 | struct MyApp {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     sys_stream: AudioStream,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 101 |     mic_stream: AudioStream,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 102 |     sys_tx: Sender<f32>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 103 |     mic_tx: Sender<f32>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct AudioStream {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 13 |     stream: cpal::Stream,
[INFO] [stdout] 14 |     source: AudioSource,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sys_stream`, `mic_stream`, `sys_tx`, and `mic_tx` are never read
[INFO] [stdout]    --> src/main.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  95 | struct MyApp {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     sys_stream: AudioStream,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 101 |     mic_stream: AudioStream,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 102 |     sys_tx: Sender<f32>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 103 |     mic_tx: Sender<f32>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "3995078313b851ec11d020d6e3857845977bbcdf8d669f81a904c7fb3d22c4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3995078313b851ec11d020d6e3857845977bbcdf8d669f81a904c7fb3d22c4f0", kill_on_drop: false }`
[INFO] [stdout] 3995078313b851ec11d020d6e3857845977bbcdf8d669f81a904c7fb3d22c4f0
