[INFO] cloning repository https://github.com/ChangeCaps/neo-musix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChangeCaps/neo-musix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChangeCaps%2Fneo-musix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChangeCaps%2Fneo-musix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0207b88fe77cc370783877ce35684aad8612b136
[INFO] checking ChangeCaps/neo-musix against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChangeCaps%2Fneo-musix" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChangeCaps/neo-musix on toolchain 84e729a59f216cc64755788a470f165429a731f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChangeCaps/neo-musix
[INFO] finished tweaking git repo https://github.com/ChangeCaps/neo-musix
[INFO] tweaked toml for git repo https://github.com/ChangeCaps/neo-musix written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ChangeCaps/neo-musix 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" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "c01156b66106670281972990b869362148bd6ae7c1d3560811a1a0071f42b0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c01156b66106670281972990b869362148bd6ae7c1d3560811a1a0071f42b0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01156b66106670281972990b869362148bd6ae7c1d3560811a1a0071f42b0b7", kill_on_drop: false }`
[INFO] [stdout] c01156b66106670281972990b869362148bd6ae7c1d3560811a1a0071f42b0b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "cb4b52367d9af34027a5cca8664c14e5dd247c907f8aca49573c1f1dcd56fa00", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/app.rs:36:40
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn update(&mut self, ctx: &CtxRef, frame: &mut epi::Frame<'_>) {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `app`
[INFO] [stdout]  --> src/main_panel/arrangement.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn arrangement(app: &mut App, ui: &mut Ui) {
[INFO] [stdout]   |                    ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]  --> src/main_panel/arrangement.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |         ui.group(|ui| {});
[INFO] [stdout]   |                   ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `app`
[INFO] [stdout]   --> src/top_panel.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn file(app: &mut App, ui: &mut Ui) {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sources` is never read
[INFO] [stdout]   --> src/app.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub sources: HashMap<AudioSourceId, Box<dyn AudioSource>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/audio_clip.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Frame {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_frame` is never used
[INFO] [stdout]   --> src/audio_clip.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl AudioClip {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn push_frame(&mut self, frame: Frame) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StartRecording` is never constructed
[INFO] [stdout]   --> src/audio_engine.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | enum Command {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 55 |     UpdateAudioDevices,
[INFO] [stdout] 56 |     StartRecording,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StopRecording` is never constructed
[INFO] [stdout]   --> src/audio_engine.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum Response {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] 60 |     UpdateAudioDevices(AudioDevices),
[INFO] [stdout] 61 |     StopRecording(AudioSourceId),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sample_format` is never used
[INFO] [stdout]   --> src/audio_engine.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl AudioFormat {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 88 |     pub fn sample_format(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ui` and `sample` are never used
[INFO] [stdout]  --> src/audio_source.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait AudioSource {
[INFO] [stdout]   |           ----------- methods in this trait
[INFO] [stdout] 7 |     fn ui(&mut self, ui: &mut Ui) -> Response;
[INFO] [stdout]   |        ^^
[INFO] [stdout] 8 |     fn sample(&self, time: f32, channel: u16) -> f32;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/app.rs:36:40
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn update(&mut self, ctx: &CtxRef, frame: &mut epi::Frame<'_>) {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `app`
[INFO] [stdout]  --> src/main_panel/arrangement.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn arrangement(app: &mut App, ui: &mut Ui) {
[INFO] [stdout]   |                    ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]  --> src/main_panel/arrangement.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |         ui.group(|ui| {});
[INFO] [stdout]   |                   ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `app`
[INFO] [stdout]   --> src/top_panel.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn file(app: &mut App, ui: &mut Ui) {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sources` is never read
[INFO] [stdout]   --> src/app.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub sources: HashMap<AudioSourceId, Box<dyn AudioSource>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/audio_clip.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Frame {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_frame` is never used
[INFO] [stdout]   --> src/audio_clip.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl AudioClip {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn push_frame(&mut self, frame: Frame) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StartRecording` is never constructed
[INFO] [stdout]   --> src/audio_engine.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | enum Command {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 55 |     UpdateAudioDevices,
[INFO] [stdout] 56 |     StartRecording,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StopRecording` is never constructed
[INFO] [stdout]   --> src/audio_engine.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum Response {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] 60 |     UpdateAudioDevices(AudioDevices),
[INFO] [stdout] 61 |     StopRecording(AudioSourceId),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sample_format` is never used
[INFO] [stdout]   --> src/audio_engine.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl AudioFormat {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 88 |     pub fn sample_format(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ui` and `sample` are never used
[INFO] [stdout]  --> src/audio_source.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait AudioSource {
[INFO] [stdout]   |           ----------- methods in this trait
[INFO] [stdout] 7 |     fn ui(&mut self, ui: &mut Ui) -> Response;
[INFO] [stdout]   |        ^^
[INFO] [stdout] 8 |     fn sample(&self, time: f32, channel: u16) -> f32;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "cb4b52367d9af34027a5cca8664c14e5dd247c907f8aca49573c1f1dcd56fa00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4b52367d9af34027a5cca8664c14e5dd247c907f8aca49573c1f1dcd56fa00", kill_on_drop: false }`
[INFO] [stdout] cb4b52367d9af34027a5cca8664c14e5dd247c907f8aca49573c1f1dcd56fa00