[INFO] cloning repository https://github.com/kennoath/ksynth2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennoath/ksynth2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fksynth2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fksynth2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3dd3ad29807c061d74f055372bdb73e0c6a4ce44
[INFO] checking kennoath/ksynth2 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fksynth2" "/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/kennoath/ksynth2
[INFO] finished tweaking git repo https://github.com/kennoath/ksynth2
[INFO] tweaked toml for git repo https://github.com/kennoath/ksynth2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kennoath/ksynth2 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kennoath/ksynth2 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-egl v0.29.5
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.8
[INFO] [stderr]   Downloaded cache-padded v1.3.0
[INFO] [stderr]   Downloaded ringbuf v0.2.8
[INFO] [stderr]   Downloaded glutin v0.28.0
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.6
[INFO] [stderr]   Downloaded assert_hex v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 07fa5d9bf5d04aa0bbe83e894412b5633d3eb70f183cee3032eaafc9166bb548
[INFO] running `Command { std: "docker" "start" "07fa5d9bf5d04aa0bbe83e894412b5633d3eb70f183cee3032eaafc9166bb548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07fa5d9bf5d04aa0bbe83e894412b5633d3eb70f183cee3032eaafc9166bb548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "07fa5d9bf5d04aa0bbe83e894412b5633d3eb70f183cee3032eaafc9166bb548" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07fa5d9bf5d04aa0bbe83e894412b5633d3eb70f183cee3032eaafc9166bb548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "07fa5d9bf5d04aa0bbe83e894412b5633d3eb70f183cee3032eaafc9166bb548" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]     Checking flate2 v1.1.8
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]     Checking assert_hex v0.2.2
[INFO] [stderr]     Checking ringbuf v0.2.8
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking rustfft v6.4.1
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking calloop v0.9.3
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking wayland-egl v0.29.5
[INFO] [stderr]     Checking glutin v0.28.0
[INFO] [stderr]     Checking ksynth2 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)]` (part of `#[warn(unused)]`) 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:180:34
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stdout]     |                                  ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stdout] 180 +         let mut data = vec![0u8; 4*self.w*self.h];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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:180:34
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stdout]     |                                  ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stdout] 180 +         let mut data = vec![0u8; 4*self.w*self.h];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustfft::num_complex::ComplexFloat`
[INFO] [stdout]  --> src/synth_gui.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rustfft::num_complex::ComplexFloat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/kapp.rs:139:14
[INFO] [stdout]     |
[INFO] [stdout] 139 |         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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/kapp.rs:139:24
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let (mut prod, mut cons) = rb.split();
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hc_vol`
[INFO] [stdout]    --> src/synth_gui.rs:336:25
[INFO] [stdout]     |
[INFO] [stdout] 336 |                     let hc_vol = db_to_vol(hc_db);
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hc_vol`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustfft::num_complex::ComplexFloat`
[INFO] [stdout]  --> src/synth_gui.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rustfft::num_complex::ComplexFloat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_track`
[INFO] [stdout]    --> src/widgets.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let c_track = v4(0.4, 0.4, 0.4, 1.0);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c_track`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_bg`
[INFO] [stdout]    --> src/widgets.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let c_bg = v4(0.3, 0.3, 0.3, 1.0);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_c_bg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_inner`
[INFO] [stdout]    --> src/widgets.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let r_inner = 0.8;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_inner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DEG_TO_RAD` is never used
[INFO] [stdout]  --> src/kmath.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub static DEG_TO_RAD: f32 = 180.0 / PI;
[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 `unlerp` is never used
[INFO] [stdout]   --> src/kmath.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn unlerp(x: f32, t1: f32, t2: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remap` is never used
[INFO] [stdout]   --> src/kmath.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn remap(x: f32, from_low: f32, from_high: f32, to_low: f32, to_high: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cubic_bezier` is never used
[INFO] [stdout]   --> src/kmath.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | 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 `smoothstep` is never used
[INFO] [stdout]   --> src/kmath.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn smoothstep(t: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `floorfrac` is never used
[INFO] [stdout]   --> src/kmath.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |  pub fn floorfrac(x: f32) -> (f32, f32) {
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `khash2i` is never used
[INFO] [stdout]   --> src/kmath.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn khash2i(x: i32, y: i32, seed: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kuniform` is never used
[INFO] [stdout]   --> src/kmath.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | 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:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn chance(seed: u32, percent: f32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `noise1d` is never used
[INFO] [stdout]   --> src/kmath.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn noise1d(t: f32, seed: u32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `noise2d` is never used
[INFO] [stdout]   --> src/kmath.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn noise2d(x: f32, y: f32, seed: u32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `v3` is never used
[INFO] [stdout]   --> src/kmath.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |  pub fn v3(x: f32, y: f32, z: f32) -> Vec3 {Vec3{x,y,z}}
[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: associated items `get_px`, `new_from_bytes`, `new_from_file`, `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]     | ----------------- associated items 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] 107 |     pub fn new_from_bytes(bytes: &[u8]) -> Option<ImageBufferA> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn new_from_file(path_str: &str) -> Option<ImageBufferA> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn bytes_transpose(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn dump_to_file(&self, path_str: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `put_quad`, `put_line`, `put_poly_part`, `put_semicircle`, and `put_vpill` are never used
[INFO] [stdout]    --> src/renderers/simple_renderer.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl SimpleCanvas {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn put_quad(&mut self, a: Vec2, b: Vec2, c: Vec2, d: Vec2, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn put_line(&mut self, a: Vec2, b: Vec2, w: f32, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn put_poly_part(&mut self, center: Vec2, radius: f32, n_sides: i32, n_to_draw: i32, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     pub fn put_semicircle(&mut self, center: Vec2, radius: f32, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     pub fn put_vpill(&mut self, c: Vec2, w: f32, h: f32, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push_str`, `pushl`, and `pushc` are never used
[INFO] [stdout]   --> src/renderers/font_rendering.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl GlyphBuffer {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn push_str(&mut self, s: &str, mut x: f32, y: f32, w: f32, h: f32, d: f32, colour: Vec4) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn pushl(&mut self, r: Rect, s: &str, a: f32, c: Vec4, d: f32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn pushc(&mut self, mut r: Rect, s: &str, a: f32, c: Vec4, d: f32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `key_held`, `key_rising`, `key_press_or_repeat`, and `key_falling` are never used
[INFO] [stdout]   --> src/kapp.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl FrameInputState {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] 60 |     pub fn key_held(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn key_rising(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn key_press_or_repeat(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn key_falling(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sample_rate` is never read
[INFO] [stdout]    --> src/kapp.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub struct SampleRequestOptions {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] 316 |     pub sample_rate: f32,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PriorityQueue` is never constructed
[INFO] [stdout]  --> src/priority_queue.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct PriorityQueue<K: Ord + Clone, V: Clone,> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, `downheap`, and `upheap` are never used
[INFO] [stdout]   --> src/priority_queue.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl <K: Ord + Clone,V: Clone> PriorityQueue<K, V> {
[INFO] [stdout]    | -------------------------------------------------- associated items in this implementation
[INFO] [stdout]  6 |     pub fn new() -> PriorityQueue<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub fn push(&mut self, k: K, v: V) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn pop(&mut self) -> Option<(K, V)> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn downheap(&mut self, mut idx: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn upheap(&mut self, mut idx: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FloatSlider` is never constructed
[INFO] [stdout]  --> src/widgets.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct FloatSlider {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_val`, `curr`, and `frame` are never used
[INFO] [stdout]   --> src/widgets.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl FloatSlider {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(default: f32, min: f32, max: f32, label: String) -> FloatSlider {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn set_val(&mut self, val: f32) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn curr(&self) -> f32 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn frame(&mut self, inputs: &FrameInputState, outputs: &mut FrameOutputs, r: Rect) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]    --> src/audio.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let A = a * sample_rate as f32;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]    --> src/audio.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let D = d * sample_rate as f32;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S` should have a snake case name
[INFO] [stdout]    --> src/audio.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let S = s;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/audio.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let R = r * sample_rate as f32;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/synth_gui.rs:435:27
[INFO] [stdout]     |
[INFO] [stdout] 435 | pub fn blackman(n: usize, N: usize) -> f32 {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/kapp.rs:139:14
[INFO] [stdout]     |
[INFO] [stdout] 139 |         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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/kapp.rs:139:24
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let (mut prod, mut cons) = rb.split();
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hc_vol`
[INFO] [stdout]    --> src/synth_gui.rs:336:25
[INFO] [stdout]     |
[INFO] [stdout] 336 |                     let hc_vol = db_to_vol(hc_db);
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hc_vol`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_track`
[INFO] [stdout]    --> src/widgets.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let c_track = v4(0.4, 0.4, 0.4, 1.0);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c_track`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_bg`
[INFO] [stdout]    --> src/widgets.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let c_bg = v4(0.3, 0.3, 0.3, 1.0);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_c_bg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_inner`
[INFO] [stdout]    --> src/widgets.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let r_inner = 0.8;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_inner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DEG_TO_RAD` is never used
[INFO] [stdout]  --> src/kmath.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub static DEG_TO_RAD: f32 = 180.0 / PI;
[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 `unlerp` is never used
[INFO] [stdout]   --> src/kmath.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn unlerp(x: f32, t1: f32, t2: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remap` is never used
[INFO] [stdout]   --> src/kmath.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn remap(x: f32, from_low: f32, from_high: f32, to_low: f32, to_high: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cubic_bezier` is never used
[INFO] [stdout]   --> src/kmath.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | 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 `smoothstep` is never used
[INFO] [stdout]   --> src/kmath.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn smoothstep(t: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `floorfrac` is never used
[INFO] [stdout]   --> src/kmath.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |  pub fn floorfrac(x: f32) -> (f32, f32) {
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `khash2i` is never used
[INFO] [stdout]   --> src/kmath.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn khash2i(x: i32, y: i32, seed: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kuniform` is never used
[INFO] [stdout]   --> src/kmath.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | 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:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn chance(seed: u32, percent: f32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `noise1d` is never used
[INFO] [stdout]   --> src/kmath.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn noise1d(t: f32, seed: u32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `noise2d` is never used
[INFO] [stdout]   --> src/kmath.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn noise2d(x: f32, y: f32, seed: u32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `v3` is never used
[INFO] [stdout]   --> src/kmath.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |  pub fn v3(x: f32, y: f32, z: f32) -> Vec3 {Vec3{x,y,z}}
[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: associated items `get_px`, `new_from_bytes`, `new_from_file`, `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]     | ----------------- associated items 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] 107 |     pub fn new_from_bytes(bytes: &[u8]) -> Option<ImageBufferA> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn new_from_file(path_str: &str) -> Option<ImageBufferA> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn bytes_transpose(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn dump_to_file(&self, path_str: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `put_quad`, `put_line`, `put_poly_part`, `put_semicircle`, and `put_vpill` are never used
[INFO] [stdout]    --> src/renderers/simple_renderer.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl SimpleCanvas {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn put_quad(&mut self, a: Vec2, b: Vec2, c: Vec2, d: Vec2, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn put_line(&mut self, a: Vec2, b: Vec2, w: f32, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn put_poly_part(&mut self, center: Vec2, radius: f32, n_sides: i32, n_to_draw: i32, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     pub fn put_semicircle(&mut self, center: Vec2, radius: f32, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     pub fn put_vpill(&mut self, c: Vec2, w: f32, h: f32, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push_str`, `pushl`, and `pushc` are never used
[INFO] [stdout]   --> src/renderers/font_rendering.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl GlyphBuffer {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn push_str(&mut self, s: &str, mut x: f32, y: f32, w: f32, h: f32, d: f32, colour: Vec4) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn pushl(&mut self, r: Rect, s: &str, a: f32, c: Vec4, d: f32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn pushc(&mut self, mut r: Rect, s: &str, a: f32, c: Vec4, d: f32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `key_held`, `key_rising`, `key_press_or_repeat`, and `key_falling` are never used
[INFO] [stdout]   --> src/kapp.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl FrameInputState {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] 60 |     pub fn key_held(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn key_rising(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn key_press_or_repeat(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn key_falling(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sample_rate` is never read
[INFO] [stdout]    --> src/kapp.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub struct SampleRequestOptions {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] 316 |     pub sample_rate: f32,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PriorityQueue` is never constructed
[INFO] [stdout]  --> src/priority_queue.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct PriorityQueue<K: Ord + Clone, V: Clone,> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, `downheap`, and `upheap` are never used
[INFO] [stdout]   --> src/priority_queue.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl <K: Ord + Clone,V: Clone> PriorityQueue<K, V> {
[INFO] [stdout]    | -------------------------------------------------- associated items in this implementation
[INFO] [stdout]  6 |     pub fn new() -> PriorityQueue<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub fn push(&mut self, k: K, v: V) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn pop(&mut self) -> Option<(K, V)> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn downheap(&mut self, mut idx: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn upheap(&mut self, mut idx: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FloatSlider` is never constructed
[INFO] [stdout]  --> src/widgets.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct FloatSlider {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_val`, `curr`, and `frame` are never used
[INFO] [stdout]   --> src/widgets.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl FloatSlider {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(default: f32, min: f32, max: f32, label: String) -> FloatSlider {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn set_val(&mut self, val: f32) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn curr(&self) -> f32 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn frame(&mut self, inputs: &FrameInputState, outputs: &mut FrameOutputs, r: Rect) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]    --> src/audio.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let A = a * sample_rate as f32;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]    --> src/audio.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let D = d * sample_rate as f32;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S` should have a snake case name
[INFO] [stdout]    --> src/audio.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let S = s;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/audio.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let R = r * sample_rate as f32;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/synth_gui.rs:435:27
[INFO] [stdout]     |
[INFO] [stdout] 435 | pub fn blackman(n: usize, N: usize) -> f32 {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `assert_hex`
[INFO] [stderr]  --> Cargo.toml:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | assert_hex = "0.2.2"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `assert_hex`
[INFO] [stderr] warning: `ksynth2` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.75s
[INFO] running `Command { std: "docker" "inspect" "07fa5d9bf5d04aa0bbe83e894412b5633d3eb70f183cee3032eaafc9166bb548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fa5d9bf5d04aa0bbe83e894412b5633d3eb70f183cee3032eaafc9166bb548", kill_on_drop: false }`
[INFO] [stdout] 07fa5d9bf5d04aa0bbe83e894412b5633d3eb70f183cee3032eaafc9166bb548
