[INFO] cloning repository https://github.com/Cathyprime/rust_gui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cathyprime/rust_gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCathyprime%2Frust_gui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCathyprime%2Frust_gui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63c339783243e9292d98d6cc354cdb2730a15da3
[INFO] testing Cathyprime/rust_gui against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCathyprime%2Frust_gui" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Cathyprime/rust_gui
[INFO] finished tweaking git repo https://github.com/Cathyprime/rust_gui
[INFO] tweaked toml for git repo https://github.com/Cathyprime/rust_gui written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cathyprime/rust_gui on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Cathyprime/rust_gui 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cf2101fa4a346b747afbab2d0a46e22d5ba72d36819250f6a9a822a9224adcb
[INFO] running `Command { std: "docker" "start" "-a" "0cf2101fa4a346b747afbab2d0a46e22d5ba72d36819250f6a9a822a9224adcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cf2101fa4a346b747afbab2d0a46e22d5ba72d36819250f6a9a822a9224adcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf2101fa4a346b747afbab2d0a46e22d5ba72d36819250f6a9a822a9224adcb", kill_on_drop: false }`
[INFO] [stdout] 0cf2101fa4a346b747afbab2d0a46e22d5ba72d36819250f6a9a822a9224adcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd36918c7defea1c20ceefc4fe516ecd5a0fff6d077dedca854a7ee5044fa8b7
[INFO] running `Command { std: "docker" "start" "-a" "cd36918c7defea1c20ceefc4fe516ecd5a0fff6d077dedca854a7ee5044fa8b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.62
[INFO] [stderr]    Compiling ultraviolet v0.9.2
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[INFO] [stderr]    Compiling test_gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Grayscale` is never constructed
[INFO] [stdout]   --> src/types.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub struct Grayscale {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/types.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     impl Grayscale {
[INFO] [stdout]    |     -------------- associated function in this implementation
[INFO] [stdout] 35 |         pub fn new(scale: u8) -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]    --> src/types.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub struct Frame {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 147 |         width: u32,
[INFO] [stdout] 148 |         height: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/types.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 171 |     impl Frame {
[INFO] [stdout]     |     ---------- associated items in this implementation
[INFO] [stdout] 172 |         pub fn new(width: u32, height: u32, window: &winit::window::Window) -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |         pub fn resize_buffer(
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |         pub fn width(&self) -> u32 {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |         pub fn height(&self) -> u32 {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |         pub fn pixels(&self) -> &Pixels {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |         pub fn pixels_mut(&mut self) -> &mut Pixels {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |         pub fn get_rgba(&self, idx: (usize, usize)) -> Option<Rgba> {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |         pub fn set_by_index(&mut self, index: usize, color: impl Color) {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_background` is never used
[INFO] [stdout]    --> src/types.rs:305:16
[INFO] [stdout]     |
[INFO] [stdout] 280 |     impl<'a> FrameBuilder<'a> {
[INFO] [stdout]     |     ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 305 |         pub fn with_background(mut self, color: impl Color) -> Self {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remap_value` is never used
[INFO] [stdout]    --> src/types.rs:341:12
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn remap_value<T>(value: T, from: (T, T), to: (T, T)) -> T
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `resize_buffer`, `pixels`, `pixels_mut`, `get_rgba`, and `set` are never used
[INFO] [stdout]    --> src/types.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 171 |     impl Frame {
[INFO] [stdout]     |     ---------- associated items in this implementation
[INFO] [stdout] 172 |         pub fn new(width: u32, height: u32, window: &winit::window::Window) -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |         pub fn resize_buffer(
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |         pub fn pixels(&self) -> &Pixels {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |         pub fn pixels_mut(&mut self) -> &mut Pixels {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |         pub fn get_rgba(&self, idx: (usize, usize)) -> Option<Rgba> {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |         pub fn set(&mut self, width: usize, height: usize, color: &impl Color) {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6m 46s
[INFO] running `Command { std: "docker" "inspect" "cd36918c7defea1c20ceefc4fe516ecd5a0fff6d077dedca854a7ee5044fa8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd36918c7defea1c20ceefc4fe516ecd5a0fff6d077dedca854a7ee5044fa8b7", kill_on_drop: false }`
[INFO] [stdout] cd36918c7defea1c20ceefc4fe516ecd5a0fff6d077dedca854a7ee5044fa8b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e657dd9a372fea6d4e49ab941881fc222d7abc8641f6175e1355f8f712aa32d4
[INFO] running `Command { std: "docker" "start" "-a" "e657dd9a372fea6d4e49ab941881fc222d7abc8641f6175e1355f8f712aa32d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new`, `resize_buffer`, `pixels`, `pixels_mut`, `get_rgba`, and `set` are never used
[INFO] [stdout]    --> src/types.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 171 |     impl Frame {
[INFO] [stdout]     |     ---------- associated items in this implementation
[INFO] [stdout] 172 |         pub fn new(width: u32, height: u32, window: &winit::window::Window) -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |         pub fn resize_buffer(
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |         pub fn pixels(&self) -> &Pixels {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |         pub fn pixels_mut(&mut self) -> &mut Pixels {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |         pub fn get_rgba(&self, idx: (usize, usize)) -> Option<Rgba> {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |         pub fn set(&mut self, width: usize, height: usize, color: &impl Color) {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grayscale` is never constructed
[INFO] [stdout]   --> src/types.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub struct Grayscale {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/types.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     impl Grayscale {
[INFO] [stdout]    |     -------------- associated function in this implementation
[INFO] [stdout] 35 |         pub fn new(scale: u8) -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]    --> src/types.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub struct Frame {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 147 |         width: u32,
[INFO] [stdout] 148 |         height: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/types.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 171 |     impl Frame {
[INFO] [stdout]     |     ---------- associated items in this implementation
[INFO] [stdout] 172 |         pub fn new(width: u32, height: u32, window: &winit::window::Window) -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |         pub fn resize_buffer(
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |         pub fn width(&self) -> u32 {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |         pub fn height(&self) -> u32 {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |         pub fn pixels(&self) -> &Pixels {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |         pub fn pixels_mut(&mut self) -> &mut Pixels {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |         pub fn get_rgba(&self, idx: (usize, usize)) -> Option<Rgba> {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |         pub fn set_by_index(&mut self, index: usize, color: impl Color) {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_background` is never used
[INFO] [stdout]    --> src/types.rs:305:16
[INFO] [stdout]     |
[INFO] [stdout] 280 |     impl<'a> FrameBuilder<'a> {
[INFO] [stdout]     |     ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 305 |         pub fn with_background(mut self, color: impl Color) -> Self {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remap_value` is never used
[INFO] [stdout]    --> src/types.rs:341:12
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn remap_value<T>(value: T, from: (T, T), to: (T, T)) -> T
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "e657dd9a372fea6d4e49ab941881fc222d7abc8641f6175e1355f8f712aa32d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e657dd9a372fea6d4e49ab941881fc222d7abc8641f6175e1355f8f712aa32d4", kill_on_drop: false }`
[INFO] [stdout] e657dd9a372fea6d4e49ab941881fc222d7abc8641f6175e1355f8f712aa32d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d650bd50102a43f282f4729762942eb9a7fbe1b6e53d0c57292bda230bfdd6f1
[INFO] running `Command { std: "docker" "start" "-a" "d650bd50102a43f282f4729762942eb9a7fbe1b6e53d0c57292bda230bfdd6f1", kill_on_drop: false }`
[INFO] [stderr] warning: associated items `new`, `resize_buffer`, `pixels`, `pixels_mut`, `get_rgba`, and `set` are never used
[INFO] [stderr]    --> src/types.rs:172:16
[INFO] [stderr]     |
[INFO] [stderr] 171 |     impl Frame {
[INFO] [stderr]     |     ---------- associated items in this implementation
[INFO] [stderr] 172 |         pub fn new(width: u32, height: u32, window: &winit::window::Window) -> Self {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] ...
[INFO] [stderr] 198 |         pub fn resize_buffer(
[INFO] [stderr]     |                ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |         pub fn pixels(&self) -> &Pixels {
[INFO] [stderr]     |                ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 221 |         pub fn pixels_mut(&mut self) -> &mut Pixels {
[INFO] [stderr]     |                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 |         pub fn get_rgba(&self, idx: (usize, usize)) -> Option<Rgba> {
[INFO] [stderr]     |                ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 236 |         pub fn set(&mut self, width: usize, height: usize, color: &impl Color) {
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Grayscale` is never constructed
[INFO] [stderr]   --> src/types.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub struct Grayscale {
[INFO] [stderr]    |                ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/types.rs:35:16
[INFO] [stderr]    |
[INFO] [stderr] 34 |     impl Grayscale {
[INFO] [stderr]    |     -------------- associated function in this implementation
[INFO] [stderr] 35 |         pub fn new(scale: u8) -> Self {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `height` is never read
[INFO] [stderr]    --> src/types.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub struct Frame {
[INFO] [stderr]     |                ----- field in this struct
[INFO] [stderr] 147 |         width: u32,
[INFO] [stderr] 148 |         height: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/types.rs:172:16
[INFO] [stderr]     |
[INFO] [stderr] 171 |     impl Frame {
[INFO] [stderr]     |     ---------- associated items in this implementation
[INFO] [stderr] 172 |         pub fn new(width: u32, height: u32, window: &winit::window::Window) -> Self {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] ...
[INFO] [stderr] 198 |         pub fn resize_buffer(
[INFO] [stderr]     |                ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 209 |         pub fn width(&self) -> u32 {
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 213 |         pub fn height(&self) -> u32 {
[INFO] [stderr]     |                ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |         pub fn pixels(&self) -> &Pixels {
[INFO] [stderr]     |                ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 221 |         pub fn pixels_mut(&mut self) -> &mut Pixels {
[INFO] [stderr]     |                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 |         pub fn get_rgba(&self, idx: (usize, usize)) -> Option<Rgba> {
[INFO] [stderr]     |                ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 250 |         pub fn set_by_index(&mut self, index: usize, color: impl Color) {
[INFO] [stderr]     |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `with_background` is never used
[INFO] [stderr]    --> src/types.rs:305:16
[INFO] [stderr]     |
[INFO] [stderr] 280 |     impl<'a> FrameBuilder<'a> {
[INFO] [stderr]     |     ------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 305 |         pub fn with_background(mut self, color: impl Color) -> Self {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `remap_value` is never used
[INFO] [stderr]    --> src/types.rs:341:12
[INFO] [stderr]     |
[INFO] [stderr] 341 |     pub fn remap_value<T>(value: T, from: (T, T), to: (T, T)) -> T
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `test_gui` (bin "mandelbrot" test) generated 1 warning
[INFO] [stderr] warning: `test_gui` (bin "test_gui" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/mandelbrot.rs (/opt/rustwide/target/debug/deps/mandelbrot-62f77c35ce394886)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/test_gui-7125f7e8a727e257)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d650bd50102a43f282f4729762942eb9a7fbe1b6e53d0c57292bda230bfdd6f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d650bd50102a43f282f4729762942eb9a7fbe1b6e53d0c57292bda230bfdd6f1", kill_on_drop: false }`
[INFO] [stdout] d650bd50102a43f282f4729762942eb9a7fbe1b6e53d0c57292bda230bfdd6f1