[INFO] cloning repository https://github.com/kennoath/fmsynth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennoath/fmsynth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Ffmsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Ffmsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35f3ea7ca238821b4c06fc819bce0f5531ffd122
[INFO] testing kennoath/fmsynth against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Ffmsynth" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kennoath/fmsynth on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kennoath/fmsynth
[INFO] finished tweaking git repo https://github.com/kennoath/fmsynth
[INFO] tweaked toml for git repo https://github.com/kennoath/fmsynth written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kennoath/fmsynth 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_hex v0.2.2
[INFO] [stderr]   Downloaded palette v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add101da2fb919df7aa9a43c22e0458c9f6be59a4cc3c2346886da4a4845b325
[INFO] running `Command { std: "docker" "start" "-a" "add101da2fb919df7aa9a43c22e0458c9f6be59a4cc3c2346886da4a4845b325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add101da2fb919df7aa9a43c22e0458c9f6be59a4cc3c2346886da4a4845b325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add101da2fb919df7aa9a43c22e0458c9f6be59a4cc3c2346886da4a4845b325", kill_on_drop: false }`
[INFO] [stdout] add101da2fb919df7aa9a43c22e0458c9f6be59a4cc3c2346886da4a4845b325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75db75b552471f719326ff3cab8f4f305c14b2bced6aa7331bb8853716e2040a
[INFO] running `Command { std: "docker" "start" "-a" "75db75b552471f719326ff3cab8f4f305c14b2bced6aa7331bb8853716e2040a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling simplesynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/kimg.rs:54:34
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut data = vec![0u8; (3*self.w*self.h)];
[INFO] [stdout]    |                                  ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -         let mut data = vec![0u8; (3*self.w*self.h)];
[INFO] [stdout] 54 +         let mut data = vec![0u8; 3*self.w*self.h];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/kimg.rs:159:34
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stdout]     |                                  ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stdout] 159 +         let mut data = vec![0u8; 4*self.w*self.h];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glutin::event::MouseButton`
[INFO] [stdout]  --> src/kinput.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use glutin::event::MouseButton;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kmath::*`
[INFO] [stdout]  --> src/application.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::kmath::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kmath::*`
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | use crate::kmath::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::synth::*`
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | use crate::synth::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeviceTrait`, `HostTrait`, `StreamTrait`
[INFO] [stdout]   --> src/main.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 | use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
[INFO] [stdout]    |                    ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     event_loop.run(move |event, _, control_flow| {
[INFO] [stdout] 61 | |         application.handle_event(&event);
[INFO] [stdout] 62 | |         match event {
[INFO] [stdout] 63 | |             Event::LoopDestroyed |
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |         }
[INFO] [stdout] 70 | |     });
[INFO] [stdout]    | |______- any code following this expression is unreachable
[INFO] [stdout] 71 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/kinput.rs:158:22
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 for (k, v) in self.current.keys.iter_mut() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/kinput.rs:157:43
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 self.current.keys.retain(|k, v| match v {KeyStatus::JustReleased => false, _ => true});
[INFO] [stdout]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/application.rs:66:14
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let (mut prod, mut cons) = rb.split();
[INFO] [stdout]    |              ----^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/application.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let (mut prod, mut cons) = rb.split();
[INFO] [stdout]    |                        ----^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/application.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 _ => {},
[INFO] [stdout]    |                 - matches any value
[INFO] [stdout] 96 |             _ => {},
[INFO] [stdout]    |             ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `slider_t` is never read
[INFO] [stdout]    --> src/synth.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let mut slider_t = 0.0f32;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remap` is never used
[INFO] [stdout]   --> src/kmath.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn remap(x: f32, from_low: f32, from_high: f32, to_low: f32, to_high: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cubic_bezier` is never used
[INFO] [stdout]   --> src/kmath.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn cubic_bezier(start: Vec2, c1: Vec2, c2: Vec2, end: Vec2, t: f32) -> Vec2 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `krand` is never used
[INFO] [stdout]   --> src/kmath.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn krand(seed: u32) -> f32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kuniform` is never used
[INFO] [stdout]   --> src/kmath.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn kuniform(seed: u32, min: f32, max: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chance` is never used
[INFO] [stdout]   --> src/kmath.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn chance(seed: u32, percent: f32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImageBuffer` is never constructed
[INFO] [stdout]  --> src/kimg.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ImageBuffer {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_px`, `get_px`, `new_from_file`, and `dump_to_file` are never used
[INFO] [stdout]   --> src/kimg.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ImageBuffer {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn new(w: usize, h: usize) -> ImageBuffer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn set_px(&mut self, x: usize, y: usize, val: (u8, u8, u8)) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn get_px(&self, x: usize, y: usize) -> (u8, u8, u8) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn new_from_file(path_str: &str) -> ImageBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn dump_to_file(&self, path_str: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_px`, `bytes_transpose`, and `dump_to_file` are never used
[INFO] [stdout]    --> src/kimg.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl ImageBufferA {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn get_px(&self, x: usize, y: usize) -> (u8, u8, u8, u8) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn bytes_transpose(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn dump_to_file(&self, path_str: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `just_pressed` and `pressed` are never used
[INFO] [stdout]   --> src/kinput.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl FrameInputState {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] 40 |     pub fn just_pressed(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn pressed(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `destroy` is never used
[INFO] [stdout]   --> src/krenderer.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl KRenderer {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn destroy(&self, gl: &glow::Context) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `poly` and `circle` are never used
[INFO] [stdout]    --> src/krenderer.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 87  | impl KRCanvas {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn poly(&mut self, center: Vec2, radius: f32, n_sides: i32) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn circle(&mut self, center: Vec2, radius: f32) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `destroy` is never used
[INFO] [stdout]    --> src/application.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 38  | impl Application {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn destroy(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `text_clip` should have an upper case name
[INFO] [stdout]  --> src/krenderer.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const text_clip: Rect = Rect {x: 0.0, y: 6.0/10.0, w: 14.0/20.0, h: 1.5/10.0};
[INFO] [stdout]   |           ^^^^^^^^^ help: convert the identifier to upper case: `TEXT_CLIP`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `text_aspect` should have an upper case name
[INFO] [stdout]  --> src/krenderer.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const text_aspect: f32 = 7./8.;
[INFO] [stdout]   |           ^^^^^^^^^^^ help: convert the identifier to upper case: `TEXT_ASPECT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/application.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 self.channel.push(self.synth.sound);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 let _ = self.channel.push(self.synth.sound);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `A` should have a snake case name
[INFO] [stdout]  --> src/synth.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub A: f32,
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]  --> src/synth.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub S: f32,
[INFO] [stdout]   |         ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `R` should have a snake case name
[INFO] [stdout]   --> src/synth.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub R: f32,
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[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" "75db75b552471f719326ff3cab8f4f305c14b2bced6aa7331bb8853716e2040a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75db75b552471f719326ff3cab8f4f305c14b2bced6aa7331bb8853716e2040a", kill_on_drop: false }`
[INFO] [stdout] 75db75b552471f719326ff3cab8f4f305c14b2bced6aa7331bb8853716e2040a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8263db1c4075047a4ada901400110d27930e8023e3bb5fdcb2b2db264c5477f5
[INFO] running `Command { std: "docker" "start" "-a" "8263db1c4075047a4ada901400110d27930e8023e3bb5fdcb2b2db264c5477f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling simplesynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/kimg.rs:54:34
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut data = vec![0u8; (3*self.w*self.h)];
[INFO] [stdout]    |                                  ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -         let mut data = vec![0u8; (3*self.w*self.h)];
[INFO] [stdout] 54 +         let mut data = vec![0u8; 3*self.w*self.h];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/kimg.rs:159:34
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stdout]     |                                  ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stdout] 159 +         let mut data = vec![0u8; 4*self.w*self.h];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glutin::event::MouseButton`
[INFO] [stdout]  --> src/kinput.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use glutin::event::MouseButton;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kmath::*`
[INFO] [stdout]  --> src/application.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::kmath::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kmath::*`
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | use crate::kmath::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::synth::*`
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | use crate::synth::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeviceTrait`, `HostTrait`, `StreamTrait`
[INFO] [stdout]   --> src/main.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 | use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
[INFO] [stdout]    |                    ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     event_loop.run(move |event, _, control_flow| {
[INFO] [stdout] 61 | |         application.handle_event(&event);
[INFO] [stdout] 62 | |         match event {
[INFO] [stdout] 63 | |             Event::LoopDestroyed |
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |         }
[INFO] [stdout] 70 | |     });
[INFO] [stdout]    | |______- any code following this expression is unreachable
[INFO] [stdout] 71 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/kinput.rs:158:22
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 for (k, v) in self.current.keys.iter_mut() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/kinput.rs:157:43
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 self.current.keys.retain(|k, v| match v {KeyStatus::JustReleased => false, _ => true});
[INFO] [stdout]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/application.rs:66:14
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let (mut prod, mut cons) = rb.split();
[INFO] [stdout]    |              ----^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/application.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let (mut prod, mut cons) = rb.split();
[INFO] [stdout]    |                        ----^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/application.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 _ => {},
[INFO] [stdout]    |                 - matches any value
[INFO] [stdout] 96 |             _ => {},
[INFO] [stdout]    |             ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `slider_t` is never read
[INFO] [stdout]    --> src/synth.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let mut slider_t = 0.0f32;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remap` is never used
[INFO] [stdout]   --> src/kmath.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn remap(x: f32, from_low: f32, from_high: f32, to_low: f32, to_high: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cubic_bezier` is never used
[INFO] [stdout]   --> src/kmath.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn cubic_bezier(start: Vec2, c1: Vec2, c2: Vec2, end: Vec2, t: f32) -> Vec2 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `krand` is never used
[INFO] [stdout]   --> src/kmath.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn krand(seed: u32) -> f32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kuniform` is never used
[INFO] [stdout]   --> src/kmath.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn kuniform(seed: u32, min: f32, max: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chance` is never used
[INFO] [stdout]   --> src/kmath.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn chance(seed: u32, percent: f32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImageBuffer` is never constructed
[INFO] [stdout]  --> src/kimg.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ImageBuffer {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_px`, `get_px`, `new_from_file`, and `dump_to_file` are never used
[INFO] [stdout]   --> src/kimg.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ImageBuffer {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn new(w: usize, h: usize) -> ImageBuffer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn set_px(&mut self, x: usize, y: usize, val: (u8, u8, u8)) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn get_px(&self, x: usize, y: usize) -> (u8, u8, u8) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn new_from_file(path_str: &str) -> ImageBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn dump_to_file(&self, path_str: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_px`, `bytes_transpose`, and `dump_to_file` are never used
[INFO] [stdout]    --> src/kimg.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl ImageBufferA {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn get_px(&self, x: usize, y: usize) -> (u8, u8, u8, u8) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn bytes_transpose(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn dump_to_file(&self, path_str: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `just_pressed` and `pressed` are never used
[INFO] [stdout]   --> src/kinput.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl FrameInputState {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] 40 |     pub fn just_pressed(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn pressed(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `destroy` is never used
[INFO] [stdout]   --> src/krenderer.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl KRenderer {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn destroy(&self, gl: &glow::Context) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `poly` and `circle` are never used
[INFO] [stdout]    --> src/krenderer.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 87  | impl KRCanvas {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn poly(&mut self, center: Vec2, radius: f32, n_sides: i32) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn circle(&mut self, center: Vec2, radius: f32) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `destroy` is never used
[INFO] [stdout]    --> src/application.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 38  | impl Application {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn destroy(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `text_clip` should have an upper case name
[INFO] [stdout]  --> src/krenderer.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const text_clip: Rect = Rect {x: 0.0, y: 6.0/10.0, w: 14.0/20.0, h: 1.5/10.0};
[INFO] [stdout]   |           ^^^^^^^^^ help: convert the identifier to upper case: `TEXT_CLIP`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `text_aspect` should have an upper case name
[INFO] [stdout]  --> src/krenderer.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const text_aspect: f32 = 7./8.;
[INFO] [stdout]   |           ^^^^^^^^^^^ help: convert the identifier to upper case: `TEXT_ASPECT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/application.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 self.channel.push(self.synth.sound);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 let _ = self.channel.push(self.synth.sound);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `A` should have a snake case name
[INFO] [stdout]  --> src/synth.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub A: f32,
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]  --> src/synth.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub S: f32,
[INFO] [stdout]   |         ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `R` should have a snake case name
[INFO] [stdout]   --> src/synth.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub R: f32,
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[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" "8263db1c4075047a4ada901400110d27930e8023e3bb5fdcb2b2db264c5477f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8263db1c4075047a4ada901400110d27930e8023e3bb5fdcb2b2db264c5477f5", kill_on_drop: false }`
[INFO] [stdout] 8263db1c4075047a4ada901400110d27930e8023e3bb5fdcb2b2db264c5477f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f301bf0270046bea17df9bb7a0d12ceb2289e4e68baddf1cef26a364103c6b3
[INFO] running `Command { std: "docker" "start" "-a" "0f301bf0270046bea17df9bb7a0d12ceb2289e4e68baddf1cef26a364103c6b3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/kimg.rs:54:34
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut data = vec![0u8; (3*self.w*self.h)];
[INFO] [stderr]    |                                  ^               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 54 -         let mut data = vec![0u8; (3*self.w*self.h)];
[INFO] [stderr] 54 +         let mut data = vec![0u8; 3*self.w*self.h];
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/kimg.rs:159:34
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stderr]     |                                  ^               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 159 -         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stderr] 159 +         let mut data = vec![0u8; 4*self.w*self.h];
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glutin::event::MouseButton`
[INFO] [stderr]  --> src/kinput.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use glutin::event::MouseButton;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::kmath::*`
[INFO] [stderr]  --> src/application.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::kmath::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::kmath::*`
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | use crate::kmath::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::synth::*`
[INFO] [stderr]   --> src/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | use crate::synth::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeviceTrait`, `HostTrait`, `StreamTrait`
[INFO] [stderr]   --> src/main.rs:54:20
[INFO] [stderr]    |
[INFO] [stderr] 54 | use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
[INFO] [stderr]    |                    ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | /     event_loop.run(move |event, _, control_flow| {
[INFO] [stderr] 61 | |         application.handle_event(&event);
[INFO] [stderr] 62 | |         match event {
[INFO] [stderr] 63 | |             Event::LoopDestroyed |
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |         }
[INFO] [stderr] 70 | |     });
[INFO] [stderr]    | |______- any code following this expression is unreachable
[INFO] [stderr] 71 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/kinput.rs:158:22
[INFO] [stderr]     |
[INFO] [stderr] 158 |                 for (k, v) in self.current.keys.iter_mut() {
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/kinput.rs:157:43
[INFO] [stderr]     |
[INFO] [stderr] 157 |                 self.current.keys.retain(|k, v| match v {KeyStatus::JustReleased => false, _ => true});
[INFO] [stderr]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/application.rs:66:14
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let (mut prod, mut cons) = rb.split();
[INFO] [stderr]    |              ----^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/application.rs:66:24
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let (mut prod, mut cons) = rb.split();
[INFO] [stderr]    |                        ----^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/application.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 _ => {},
[INFO] [stderr]    |                 - matches any value
[INFO] [stderr] 96 |             _ => {},
[INFO] [stderr]    |             ^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `slider_t` is never read
[INFO] [stderr]    --> src/synth.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let mut slider_t = 0.0f32;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `remap` is never used
[INFO] [stderr]   --> src/kmath.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn remap(x: f32, from_low: f32, from_high: f32, to_low: f32, to_high: f32) -> f32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `cubic_bezier` is never used
[INFO] [stderr]   --> src/kmath.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn cubic_bezier(start: Vec2, c1: Vec2, c2: Vec2, end: Vec2, t: f32) -> Vec2 {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `krand` is never used
[INFO] [stderr]   --> src/kmath.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn krand(seed: u32) -> f32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `kuniform` is never used
[INFO] [stderr]   --> src/kmath.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn kuniform(seed: u32, min: f32, max: f32) -> f32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `chance` is never used
[INFO] [stderr]   --> src/kmath.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn chance(seed: u32, percent: f32) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ImageBuffer` is never constructed
[INFO] [stderr]  --> src/kimg.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct ImageBuffer {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `set_px`, `get_px`, `new_from_file`, and `dump_to_file` are never used
[INFO] [stderr]   --> src/kimg.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl ImageBuffer {
[INFO] [stderr]    | ---------------- associated items in this implementation
[INFO] [stderr] 15 |     pub fn new(w: usize, h: usize) -> ImageBuffer {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn set_px(&mut self, x: usize, y: usize, val: (u8, u8, u8)) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn get_px(&self, x: usize, y: usize) -> (u8, u8, u8) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn new_from_file(path_str: &str) -> ImageBuffer {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn dump_to_file(&self, path_str: &str) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_px`, `bytes_transpose`, and `dump_to_file` are never used
[INFO] [stderr]    --> src/kimg.rs:103:12
[INFO] [stderr]     |
[INFO] [stderr] 92  | impl ImageBufferA {
[INFO] [stderr]     | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 103 |     pub fn get_px(&self, x: usize, y: usize) -> (u8, u8, u8, u8) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 141 |     pub fn bytes_transpose(&self) -> Vec<u8> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 154 |     pub fn dump_to_file(&self, path_str: &str) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `just_pressed` and `pressed` are never used
[INFO] [stderr]   --> src/kinput.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl FrameInputState {
[INFO] [stderr]    | -------------------- methods in this implementation
[INFO] [stderr] 40 |     pub fn just_pressed(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn pressed(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `destroy` is never used
[INFO] [stderr]   --> src/krenderer.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl KRenderer {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 69 |     pub fn destroy(&self, gl: &glow::Context) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `poly` and `circle` are never used
[INFO] [stderr]    --> src/krenderer.rs:154:12
[INFO] [stderr]     |
[INFO] [stderr] 87  | impl KRCanvas {
[INFO] [stderr]     | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 154 |     pub fn poly(&mut self, center: Vec2, radius: f32, n_sides: i32) {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 162 |     pub fn circle(&mut self, center: Vec2, radius: f32) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `destroy` is never used
[INFO] [stderr]    --> src/application.rs:122:12
[INFO] [stderr]     |
[INFO] [stderr] 38  | impl Application {
[INFO] [stderr]     | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 122 |     pub fn destroy(&mut self) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `text_clip` should have an upper case name
[INFO] [stderr]  --> src/krenderer.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const text_clip: Rect = Rect {x: 0.0, y: 6.0/10.0, w: 14.0/20.0, h: 1.5/10.0};
[INFO] [stderr]   |           ^^^^^^^^^ help: convert the identifier to upper case: `TEXT_CLIP`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `text_aspect` should have an upper case name
[INFO] [stderr]  --> src/krenderer.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const text_aspect: f32 = 7./8.;
[INFO] [stderr]   |           ^^^^^^^^^^^ help: convert the identifier to upper case: `TEXT_ASPECT`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/application.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 self.channel.push(self.synth.sound);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 let _ = self.channel.push(self.synth.sound);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `A` should have a snake case name
[INFO] [stderr]  --> src/synth.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub A: f32,
[INFO] [stderr]   |         ^ help: convert the identifier to snake case: `a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `S` should have a snake case name
[INFO] [stderr]  --> src/synth.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub S: f32,
[INFO] [stderr]   |         ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `R` should have a snake case name
[INFO] [stderr]   --> src/synth.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub R: f32,
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `r`
[INFO] [stderr] 
[INFO] [stderr] warning: `simplesynth` (bin "simplesynth" test) generated 32 warnings (run `cargo fix --bin "simplesynth" --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simplesynth-4506950050f29086)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f301bf0270046bea17df9bb7a0d12ceb2289e4e68baddf1cef26a364103c6b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f301bf0270046bea17df9bb7a0d12ceb2289e4e68baddf1cef26a364103c6b3", kill_on_drop: false }`
[INFO] [stdout] 0f301bf0270046bea17df9bb7a0d12ceb2289e4e68baddf1cef26a364103c6b3
