[INFO] cloning repository https://github.com/kennoath/hydrasim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennoath/hydrasim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fhydrasim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fhydrasim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b86a399ba6a3564dd943f89a8ce5fb0319680f6
[INFO] testing kennoath/hydrasim against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fhydrasim" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kennoath/hydrasim 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/hydrasim
[INFO] finished tweaking git repo https://github.com/kennoath/hydrasim
[INFO] tweaked toml for git repo https://github.com/kennoath/hydrasim written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kennoath/hydrasim 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e36fe03bc20c5bb9dd23ab6f6917d86f0450951d413e8198fc14d813490f5ba9
[INFO] running `Command { std: "docker" "start" "-a" "e36fe03bc20c5bb9dd23ab6f6917d86f0450951d413e8198fc14d813490f5ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e36fe03bc20c5bb9dd23ab6f6917d86f0450951d413e8198fc14d813490f5ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36fe03bc20c5bb9dd23ab6f6917d86f0450951d413e8198fc14d813490f5ba9", kill_on_drop: false }`
[INFO] [stdout] e36fe03bc20c5bb9dd23ab6f6917d86f0450951d413e8198fc14d813490f5ba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ff14a2afcc5159f68b8b21ec861ad629c782f64e47124c977e709a119cfdda38
[INFO] running `Command { std: "docker" "start" "-a" "ff14a2afcc5159f68b8b21ec861ad629c782f64e47124c977e709a119cfdda38", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling xml-rs v0.8.4
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[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling lock_api v0.4.9
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[INFO] [stderr]    Compiling num-iter v0.1.43
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[INFO] [stderr]    Compiling num-bigint v0.1.44
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[INFO] [stderr]    Compiling cty v0.2.2
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[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling calloop v0.9.3
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]    Compiling transpose v0.2.2
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling wayland-egl v0.29.5
[INFO] [stderr]    Compiling primal-check v0.3.3
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling ringbuf v0.2.8
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling assert_hex v0.2.2
[INFO] [stderr]    Compiling glow v0.11.2
[INFO] [stderr]    Compiling alsa v0.6.0
[INFO] [stderr]    Compiling glutin v0.28.0
[INFO] [stderr]    Compiling erosion 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: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 assigned value
[INFO] [stdout]    --> src/erosion.rs:216:25
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let h = (1.0 - y);
[INFO] [stdout]     |                         ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 216 -                 let h = (1.0 - y);
[INFO] [stdout] 216 +                 let h = 1.0 - y;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/erosion.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let h = (1.0 - y);
[INFO] [stdout]     |                 ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 229 -         let h = (1.0 - y);
[INFO] [stdout] 229 +         let h = 1.0 - y;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/kapp.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |         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/kapp.rs:146:24
[INFO] [stdout]     |
[INFO] [stdout] 146 |         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: `tan`
[INFO] [stdout]    --> src/erosion.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |        let tan = p1 + p2 + p3 + p4 - 4.0*center;
[INFO] [stdout]     |            ^^^ help: if this is intentional, prefix it with an underscore: `_tan`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]    --> src/erosion.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |        let dir = v2(tan.x, tan.z).normalize().lerp(v, 0.5);
[INFO] [stdout]     |            ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pp`
[INFO] [stdout]    --> src/erosion.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 let pp = h;
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_pp`
[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)]` 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 `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 `mat4_trans` is never used
[INFO] [stdout]    --> src/kmath.rs:701:8
[INFO] [stdout]     |
[INFO] [stdout] 701 | pub fn mat4_trans(a: [f32; 16]) -> [f32; 16] {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_mat` is never used
[INFO] [stdout]    --> src/kmath.rs:720:8
[INFO] [stdout]     |
[INFO] [stdout] 720 | pub fn print_mat(a: [f32; 16]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mat4_mul_v4` is never used
[INFO] [stdout]    --> src/kmath.rs:778:8
[INFO] [stdout]     |
[INFO] [stdout] 778 | pub fn mat4_mul_v4(a: [f32; 16], b: [f32; 4]) -> [f32; 4] {
[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: variants `PlayHold`, `Release`, and `SetVol` are never constructed
[INFO] [stdout]   --> src/audio.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum AudioCommand {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 10 |     PlayHold(u64, SoundDesc),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     Release(u64),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     SetVol(f32),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AudioCommand` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vol_to_db` is never used
[INFO] [stdout]   --> src/audio.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn vol_to_db(vol: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]    --> src/renderers/simple_renderer.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub struct SimpleCanvas {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 104 |     a: f32,
[INFO] [stdout]     |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/renderers/simple_renderer.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl SimpleCanvas {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn put_float(&mut self, x: f32) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn put_triangle(&mut self, p1: Vec2, p2: Vec2, p3: Vec2, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn put_rect(&mut self, r: Rect, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^
[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] 164 |     pub fn put_poly(&mut self, center: Vec2, radius: f32, n_sides: i32, 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] 180 |     pub fn put_circle(&mut self, center: Vec2, radius: f32, 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_glyph`, `push_str`, `push_center_str`, `pushl`, and `pushc` are never used
[INFO] [stdout]   --> src/renderers/font_rendering.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl GlyphBuffer {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn push_glyph(&mut self, c: char, r: Rect, d: f32, colour: Vec4) {
[INFO] [stdout]    |            ^^^^^^^^^^
[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] 58 |     pub fn push_center_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_press_or_repeat`, and `key_falling` are never used
[INFO] [stdout]   --> src/kapp.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl FrameInputs {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 61 |     pub fn key_held(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn key_press_or_repeat(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn key_falling(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `normal` is never used
[INFO] [stdout]    --> src/erosion.rs:241:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | impl Gen {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 241 |     fn normal(&self, x: f32, y: f32) -> Vec3 {
[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: &FrameInputs, outputs: &mut FrameOutputs, r: Rect) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Knob` is never constructed
[INFO] [stdout]    --> src/widgets.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct Knob {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `frame`, `curr`, and `new` are never used
[INFO] [stdout]    --> src/widgets.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl Knob {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 134 |     pub fn frame(&mut self, inputs: &FrameInputs, outputs: &mut FrameOutputs, r: Rect) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub fn curr(&self) -> f32 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |     pub fn new(default: f32, min: f32, max: f32, sensitivity: f32, label: &str) -> Knob {
[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)]` 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: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 29s
[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" "ff14a2afcc5159f68b8b21ec861ad629c782f64e47124c977e709a119cfdda38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff14a2afcc5159f68b8b21ec861ad629c782f64e47124c977e709a119cfdda38", kill_on_drop: false }`
[INFO] [stdout] ff14a2afcc5159f68b8b21ec861ad629c782f64e47124c977e709a119cfdda38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ef239d4fd28df78721983654871666325a49636c985217eccefcc57a133f1893
[INFO] running `Command { std: "docker" "start" "-a" "ef239d4fd28df78721983654871666325a49636c985217eccefcc57a133f1893", kill_on_drop: false }`
[INFO] [stderr]    Compiling erosion 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: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 assigned value
[INFO] [stdout]    --> src/erosion.rs:216:25
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let h = (1.0 - y);
[INFO] [stdout]     |                         ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 216 -                 let h = (1.0 - y);
[INFO] [stdout] 216 +                 let h = 1.0 - y;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/erosion.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let h = (1.0 - y);
[INFO] [stdout]     |                 ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 229 -         let h = (1.0 - y);
[INFO] [stdout] 229 +         let h = 1.0 - y;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/kapp.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |         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/kapp.rs:146:24
[INFO] [stdout]     |
[INFO] [stdout] 146 |         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: `tan`
[INFO] [stdout]    --> src/erosion.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |        let tan = p1 + p2 + p3 + p4 - 4.0*center;
[INFO] [stdout]     |            ^^^ help: if this is intentional, prefix it with an underscore: `_tan`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]    --> src/erosion.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |        let dir = v2(tan.x, tan.z).normalize().lerp(v, 0.5);
[INFO] [stdout]     |            ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pp`
[INFO] [stdout]    --> src/erosion.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 let pp = h;
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_pp`
[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)]` 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 `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 `mat4_trans` is never used
[INFO] [stdout]    --> src/kmath.rs:701:8
[INFO] [stdout]     |
[INFO] [stdout] 701 | pub fn mat4_trans(a: [f32; 16]) -> [f32; 16] {
[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: variants `PlayHold`, `Release`, and `SetVol` are never constructed
[INFO] [stdout]   --> src/audio.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum AudioCommand {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 10 |     PlayHold(u64, SoundDesc),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     Release(u64),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     SetVol(f32),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AudioCommand` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vol_to_db` is never used
[INFO] [stdout]   --> src/audio.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn vol_to_db(vol: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]    --> src/renderers/simple_renderer.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub struct SimpleCanvas {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 104 |     a: f32,
[INFO] [stdout]     |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/renderers/simple_renderer.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl SimpleCanvas {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn put_float(&mut self, x: f32) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn put_triangle(&mut self, p1: Vec2, p2: Vec2, p3: Vec2, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn put_rect(&mut self, r: Rect, depth: f32, colour: Vec4) {
[INFO] [stdout]     |            ^^^^^^^^
[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] 164 |     pub fn put_poly(&mut self, center: Vec2, radius: f32, n_sides: i32, 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] 180 |     pub fn put_circle(&mut self, center: Vec2, radius: f32, 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_glyph`, `push_str`, `push_center_str`, `pushl`, and `pushc` are never used
[INFO] [stdout]   --> src/renderers/font_rendering.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl GlyphBuffer {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn push_glyph(&mut self, c: char, r: Rect, d: f32, colour: Vec4) {
[INFO] [stdout]    |            ^^^^^^^^^^
[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] 58 |     pub fn push_center_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_press_or_repeat`, and `key_falling` are never used
[INFO] [stdout]   --> src/kapp.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl FrameInputs {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 61 |     pub fn key_held(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn key_press_or_repeat(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn key_falling(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `normal` is never used
[INFO] [stdout]    --> src/erosion.rs:241:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | impl Gen {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 241 |     fn normal(&self, x: f32, y: f32) -> Vec3 {
[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: &FrameInputs, outputs: &mut FrameOutputs, r: Rect) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Knob` is never constructed
[INFO] [stdout]    --> src/widgets.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct Knob {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `frame`, `curr`, and `new` are never used
[INFO] [stdout]    --> src/widgets.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl Knob {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 134 |     pub fn frame(&mut self, inputs: &FrameInputs, outputs: &mut FrameOutputs, r: Rect) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub fn curr(&self) -> f32 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |     pub fn new(default: f32, min: f32, max: f32, sensitivity: f32, label: &str) -> Knob {
[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)]` 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: 41 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[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" "ef239d4fd28df78721983654871666325a49636c985217eccefcc57a133f1893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef239d4fd28df78721983654871666325a49636c985217eccefcc57a133f1893", kill_on_drop: false }`
[INFO] [stdout] ef239d4fd28df78721983654871666325a49636c985217eccefcc57a133f1893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 13cde5bf0c370bdb1a628deaa9b9a880974d7e37234ab8f6bae26d34271b949f
[INFO] running `Command { std: "docker" "start" "-a" "13cde5bf0c370bdb1a628deaa9b9a880974d7e37234ab8f6bae26d34271b949f", 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:180:34
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stderr]     |                                  ^               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 180 -         let mut data = vec![0u8; (4*self.w*self.h)];
[INFO] [stderr] 180 +         let mut data = vec![0u8; 4*self.w*self.h];
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/erosion.rs:216:25
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 let h = (1.0 - y);
[INFO] [stderr]     |                         ^       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 216 -                 let h = (1.0 - y);
[INFO] [stderr] 216 +                 let h = 1.0 - y;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/erosion.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |         let h = (1.0 - y);
[INFO] [stderr]     |                 ^       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 229 -         let h = (1.0 - y);
[INFO] [stderr] 229 +         let h = 1.0 - y;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/kapp.rs:146:14
[INFO] [stderr]     |
[INFO] [stderr] 146 |         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/kapp.rs:146:24
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let (mut prod, mut cons) = rb.split();
[INFO] [stderr]     |                        ----^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tan`
[INFO] [stderr]    --> src/erosion.rs:163:12
[INFO] [stderr]     |
[INFO] [stderr] 163 |        let tan = p1 + p2 + p3 + p4 - 4.0*center;
[INFO] [stderr]     |            ^^^ help: if this is intentional, prefix it with an underscore: `_tan`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dir`
[INFO] [stderr]    --> src/erosion.rs:179:12
[INFO] [stderr]     |
[INFO] [stderr] 179 |        let dir = v2(tan.x, tan.z).normalize().lerp(v, 0.5);
[INFO] [stderr]     |            ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pp`
[INFO] [stderr]    --> src/erosion.rs:218:21
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 let pp = h;
[INFO] [stderr]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_pp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c_track`
[INFO] [stderr]    --> src/widgets.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let c_track = v4(0.4, 0.4, 0.4, 1.0);
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c_track`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c_bg`
[INFO] [stderr]    --> src/widgets.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let c_bg = v4(0.3, 0.3, 0.3, 1.0);
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_c_bg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_inner`
[INFO] [stderr]    --> src/widgets.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let r_inner = 0.8;
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_inner`
[INFO] [stderr] 
[INFO] [stderr] warning: static `DEG_TO_RAD` is never used
[INFO] [stderr]  --> src/kmath.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub static DEG_TO_RAD: f32 = 180.0 / PI;
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `unlerp` is never used
[INFO] [stderr]   --> src/kmath.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn unlerp(x: f32, t1: f32, t2: f32) -> f32 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `remap` is never used
[INFO] [stderr]   --> src/kmath.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn remap(x: f32, from_low: f32, from_high: f32, to_low: f32, to_high: f32) -> f32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cubic_bezier` is never used
[INFO] [stderr]   --> src/kmath.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn cubic_bezier(start: Vec2, c1: Vec2, c2: Vec2, end: Vec2, t: f32) -> Vec2 {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `smoothstep` is never used
[INFO] [stderr]   --> src/kmath.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn smoothstep(t: f32) -> f32 {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `floorfrac` is never used
[INFO] [stderr]   --> src/kmath.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |  pub fn floorfrac(x: f32) -> (f32, f32) {
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `khash2i` is never used
[INFO] [stderr]   --> src/kmath.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn khash2i(x: i32, y: i32, seed: u32) -> u32 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `kuniform` is never used
[INFO] [stderr]   --> src/kmath.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub fn kuniform(seed: u32, min: f32, max: f32) -> f32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `noise1d` is never used
[INFO] [stderr]   --> src/kmath.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn noise1d(t: f32, seed: u32) -> f32 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `noise2d` is never used
[INFO] [stderr]   --> src/kmath.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn noise2d(x: f32, y: f32, seed: u32) -> f32 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mat4_trans` is never used
[INFO] [stderr]    --> src/kmath.rs:701:8
[INFO] [stderr]     |
[INFO] [stderr] 701 | pub fn mat4_trans(a: [f32; 16]) -> [f32; 16] {
[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: associated items `get_px`, `new_from_bytes`, `new_from_file`, `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]     | ----------------- associated items 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] 107 |     pub fn new_from_bytes(bytes: &[u8]) -> Option<ImageBufferA> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 128 |     pub fn new_from_file(path_str: &str) -> Option<ImageBufferA> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 162 |     pub fn bytes_transpose(&self) -> Vec<u8> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 175 |     pub fn dump_to_file(&self, path_str: &str) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `PlayHold`, `Release`, and `SetVol` are never constructed
[INFO] [stderr]   --> src/audio.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub enum AudioCommand {
[INFO] [stderr]    |          ------------ variants in this enum
[INFO] [stderr] 10 |     PlayHold(u64, SoundDesc),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 11 |     Release(u64),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 12 |     SetVol(f32),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AudioCommand` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `vol_to_db` is never used
[INFO] [stderr]   --> src/audio.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn vol_to_db(vol: f32) -> f32 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `a` is never read
[INFO] [stderr]    --> src/renderers/simple_renderer.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 103 | pub struct SimpleCanvas {
[INFO] [stderr]     |            ------------ field in this struct
[INFO] [stderr] 104 |     a: f32,
[INFO] [stderr]     |     ^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/renderers/simple_renderer.rs:116:8
[INFO] [stderr]     |
[INFO] [stderr] 108 | impl SimpleCanvas {
[INFO] [stderr]     | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 116 |     fn put_float(&mut self, x: f32) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 122 |     pub fn put_triangle(&mut self, p1: Vec2, p2: Vec2, p3: Vec2, depth: f32, colour: Vec4) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 148 |     pub fn put_rect(&mut self, r: Rect, depth: f32, colour: Vec4) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 153 |     pub fn put_quad(&mut self, a: Vec2, b: Vec2, c: Vec2, d: Vec2, depth: f32, colour: Vec4) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 158 |     pub fn put_line(&mut self, a: Vec2, b: Vec2, w: f32, depth: f32, colour: Vec4) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 164 |     pub fn put_poly(&mut self, center: Vec2, radius: f32, n_sides: i32, depth: f32, colour: Vec4) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 172 |     pub fn put_poly_part(&mut self, center: Vec2, radius: f32, n_sides: i32, n_to_draw: i32, depth: f32, colour: Vec4) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 180 |     pub fn put_circle(&mut self, center: Vec2, radius: f32, depth: f32, colour: Vec4) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 185 |     pub fn put_semicircle(&mut self, center: Vec2, radius: f32, depth: f32, colour: Vec4) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 191 |     pub fn put_vpill(&mut self, c: Vec2, w: f32, h: f32, depth: f32, colour: Vec4) {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `push_glyph`, `push_str`, `push_center_str`, `pushl`, and `pushc` are never used
[INFO] [stderr]   --> src/renderers/font_rendering.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl GlyphBuffer {
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn push_glyph(&mut self, c: char, r: Rect, d: f32, colour: Vec4) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub fn push_str(&mut self, s: &str, mut x: f32, y: f32, w: f32, h: f32, d: f32, colour: Vec4) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     pub fn push_center_str(&mut self, s: &str, mut x: f32, y: f32, w: f32, h: f32, d: f32, colour: Vec4) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     pub fn pushl(&mut self, r: Rect, s: &str, a: f32, c: Vec4, d: f32) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 |     pub fn pushc(&mut self, mut r: Rect, s: &str, a: f32, c: Vec4, d: f32) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `key_held`, `key_press_or_repeat`, and `key_falling` are never used
[INFO] [stderr]   --> src/kapp.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl FrameInputs {
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr] 61 |     pub fn key_held(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |     pub fn key_press_or_repeat(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     pub fn key_falling(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `normal` is never used
[INFO] [stderr]    --> src/erosion.rs:241:8
[INFO] [stderr]     |
[INFO] [stderr] 207 | impl Gen {
[INFO] [stderr]     | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 241 |     fn normal(&self, x: f32, y: f32) -> Vec3 {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FloatSlider` is never constructed
[INFO] [stderr]  --> src/widgets.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct FloatSlider {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `set_val`, `curr`, and `frame` are never used
[INFO] [stderr]   --> src/widgets.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl FloatSlider {
[INFO] [stderr]    | ---------------- associated items in this implementation
[INFO] [stderr] 13 |     pub fn new(default: f32, min: f32, max: f32, label: String) -> FloatSlider {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn set_val(&mut self, val: f32) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn curr(&self) -> f32 {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub fn frame(&mut self, inputs: &FrameInputs, outputs: &mut FrameOutputs, r: Rect) -> bool {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Knob` is never constructed
[INFO] [stderr]    --> src/widgets.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 | pub struct Knob {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `frame`, `curr`, and `new` are never used
[INFO] [stderr]    --> src/widgets.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 133 | impl Knob {
[INFO] [stderr]     | --------- associated items in this implementation
[INFO] [stderr] 134 |     pub fn frame(&mut self, inputs: &FrameInputs, outputs: &mut FrameOutputs, r: Rect) -> bool {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 194 |     pub fn curr(&self) -> f32 {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 198 |     pub fn new(default: f32, min: f32, max: f32, sensitivity: f32, label: &str) -> Knob {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]    --> src/audio.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |     let A = a * sample_rate as 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: variable `D` should have a snake case name
[INFO] [stderr]    --> src/audio.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |     let D = d * sample_rate as f32;
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `S` should have a snake case name
[INFO] [stderr]    --> src/audio.rs:205:9
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let S = s;
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `R` should have a snake case name
[INFO] [stderr]    --> src/audio.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |     let R = r * sample_rate as f32;
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `r`
[INFO] [stderr] 
[INFO] [stderr] warning: `erosion` (bin "erosion" test) generated 41 warnings (run `cargo fix --bin "erosion" --tests` to apply 12 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[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/erosion-87b5b18d8bcda1f0)
[INFO] [stdout] test kmath::test_view ... ok
[INFO] [stdout] test kmath::test_pv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13cde5bf0c370bdb1a628deaa9b9a880974d7e37234ab8f6bae26d34271b949f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13cde5bf0c370bdb1a628deaa9b9a880974d7e37234ab8f6bae26d34271b949f", kill_on_drop: false }`
[INFO] [stdout] 13cde5bf0c370bdb1a628deaa9b9a880974d7e37234ab8f6bae26d34271b949f
