[INFO] cloning repository https://github.com/konkitoman/motion-man
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/konkitoman/motion-man" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonkitoman%2Fmotion-man", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonkitoman%2Fmotion-man'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f998fb56eb8779f3edd5db7289eafee45faf3009
[INFO] checking konkitoman/motion-man against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonkitoman%2Fmotion-man" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/konkitoman/motion-man
[INFO] finished tweaking git repo https://github.com/konkitoman/motion-man
[INFO] tweaked toml for git repo https://github.com/konkitoman/motion-man written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/konkitoman/motion-man on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/konkitoman/motion-man 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" "+1.95.0" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62d1aa9d71f1234ec79537187542e102cab36058059df0803cd09cda1e19f5cc
[INFO] running `Command { std: "docker" "start" "-a" "62d1aa9d71f1234ec79537187542e102cab36058059df0803cd09cda1e19f5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62d1aa9d71f1234ec79537187542e102cab36058059df0803cd09cda1e19f5cc", 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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking motion-man v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/engine.rs:135:24
[INFO] [stdout]     |
[INFO] [stdout] 135 |             if let Ok((from, msg)) = self.receiver.try_recv() {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/engine.rs:135:24
[INFO] [stdout]     |
[INFO] [stdout] 135 |             if let Ok((from, msg)) = self.receiver.try_recv() {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/color.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[repr(C)]
[INFO] [stdout]   | ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/color.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Color {
[INFO] [stdout]   |            ^^^^^ field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/engine.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct EngineScene {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 22 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rect.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct RectVertex {
[INFO] [stdout]     |            ^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/rect.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/signal.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn tween(&mut self, from: [f32; 2], to: [f32; 2], time: f64) -> Executor {
[INFO] [stdout]     |                  ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn tween(&mut self, from: [f32; 2], to: [f32; 2], time: f64) -> Executor<'_> {
[INFO] [stdout]     |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/color.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[repr(C)]
[INFO] [stdout]   | ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/color.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Color {
[INFO] [stdout]   |            ^^^^^ field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/engine.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct EngineScene {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 22 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rect.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct RectVertex {
[INFO] [stdout]     |            ^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/rect.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/signal.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn tween(&mut self, from: [f32; 2], to: [f32; 2], time: f64) -> Executor {
[INFO] [stdout]     |                  ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn tween(&mut self, from: [f32; 2], to: [f32; 2], time: f64) -> Executor<'_> {
[INFO] [stdout]     |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event_loop`
[INFO] [stdout]    --> src/main.rs:193:10
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let (event_loop, window, config, context, surface, gl) =
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/main.rs:193:30
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let (event_loop, window, config, context, surface, gl) =
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     _ => {
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 280 |                     Config::Egl(_) => println!("  Backend: EGL"),
[INFO] [stdout]     |                     -------------- matches some of the same values
[INFO] [stdout] 281 |                     Config::Glx(_) => println!("  Backend: Glx"),
[INFO] [stdout]     |                     -------------- matches some of the same values
[INFO] [stdout] 282 |                     _ => {
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/main.rs:710:32
[INFO] [stdout]     |
[INFO] [stdout] 710 |         fn audio_buffer(&self, from: usize) -> Option<Vec<f32>> {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delay`
[INFO] [stdout]    --> src/main.rs:948:17
[INFO] [stdout]     |
[INFO] [stdout] 948 |             let delay = sws.run(&frame, &mut dst).unwrap();
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_delay`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `scene` are never read
[INFO] [stdout]    --> src/main.rs:378:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |     pub struct Video<'a> {
[INFO] [stdout]     |                ----- fields in this struct
[INFO] [stdout] 378 |         pub position: Signal<'a, [f32; 2]>,
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |         scene: &'a SceneTask,
[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 `check` is never used
[INFO] [stdout]    --> src/main.rs:450:5
[INFO] [stdout]     |
[INFO] [stdout] 450 |     #[repr(C)]
[INFO] [stdout]     |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:452:16
[INFO] [stdout]     |
[INFO] [stdout] 452 |     pub struct Vertex {
[INFO] [stdout]     |                ^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `stream_index`, `prev`, `clear`, and `channels` are never used
[INFO] [stdout]    --> src/main.rs:699:12
[INFO] [stdout]     |
[INFO] [stdout] 697 |     pub trait Stream: Send + Sync {
[INFO] [stdout]     |               ------ methods in this trait
[INFO] [stdout] 698 |         fn ty(&self) -> StreamType;
[INFO] [stdout] 699 |         fn stream_index(&self) -> usize;
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 705 |         fn prev(&self) -> bool;
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 706 |         fn clear(&self);
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 717 |         fn channels(&self) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stream_index` is never read
[INFO] [stdout]    --> src/main.rs:734:9
[INFO] [stdout]     |
[INFO] [stdout] 733 |     pub struct VideoStream {
[INFO] [stdout]     |                ----------- field in this struct
[INFO] [stdout] 734 |         stream_index: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stream_index` is never read
[INFO] [stdout]    --> src/main.rs:869:9
[INFO] [stdout]     |
[INFO] [stdout] 863 |     pub struct AudioStream {
[INFO] [stdout]     |                ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 869 |         stream_index: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event_loop`
[INFO] [stdout]    --> src/main.rs:193:10
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let (event_loop, window, config, context, surface, gl) =
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/main.rs:193:30
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let (event_loop, window, config, context, surface, gl) =
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     _ => {
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 280 |                     Config::Egl(_) => println!("  Backend: EGL"),
[INFO] [stdout]     |                     -------------- matches some of the same values
[INFO] [stdout] 281 |                     Config::Glx(_) => println!("  Backend: Glx"),
[INFO] [stdout]     |                     -------------- matches some of the same values
[INFO] [stdout] 282 |                     _ => {
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/main.rs:710:32
[INFO] [stdout]     |
[INFO] [stdout] 710 |         fn audio_buffer(&self, from: usize) -> Option<Vec<f32>> {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delay`
[INFO] [stdout]    --> src/main.rs:948:17
[INFO] [stdout]     |
[INFO] [stdout] 948 |             let delay = sws.run(&frame, &mut dst).unwrap();
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_delay`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `scene` are never read
[INFO] [stdout]    --> src/main.rs:378:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |     pub struct Video<'a> {
[INFO] [stdout]     |                ----- fields in this struct
[INFO] [stdout] 378 |         pub position: Signal<'a, [f32; 2]>,
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |         scene: &'a SceneTask,
[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 `check` is never used
[INFO] [stdout]    --> src/main.rs:450:5
[INFO] [stdout]     |
[INFO] [stdout] 450 |     #[repr(C)]
[INFO] [stdout]     |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:452:16
[INFO] [stdout]     |
[INFO] [stdout] 452 |     pub struct Vertex {
[INFO] [stdout]     |                ^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `stream_index`, `prev`, `clear`, and `channels` are never used
[INFO] [stdout]    --> src/main.rs:699:12
[INFO] [stdout]     |
[INFO] [stdout] 697 |     pub trait Stream: Send + Sync {
[INFO] [stdout]     |               ------ methods in this trait
[INFO] [stdout] 698 |         fn ty(&self) -> StreamType;
[INFO] [stdout] 699 |         fn stream_index(&self) -> usize;
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 705 |         fn prev(&self) -> bool;
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 706 |         fn clear(&self);
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 717 |         fn channels(&self) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stream_index` is never read
[INFO] [stdout]    --> src/main.rs:734:9
[INFO] [stdout]     |
[INFO] [stdout] 733 |     pub struct VideoStream {
[INFO] [stdout]     |                ----------- field in this struct
[INFO] [stdout] 734 |         stream_index: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stream_index` is never read
[INFO] [stdout]    --> src/main.rs:869:9
[INFO] [stdout]     |
[INFO] [stdout] 863 |     pub struct AudioStream {
[INFO] [stdout]     |                ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 869 |         stream_index: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.21s
[INFO] running `Command { std: "docker" "inspect" "f34317fb2b359171b99107cefd804d7b8c58b947d908c56157d71f521f70e493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34317fb2b359171b99107cefd804d7b8c58b947d908c56157d71f521f70e493", kill_on_drop: false }`
[INFO] [stdout] f34317fb2b359171b99107cefd804d7b8c58b947d908c56157d71f521f70e493
