[INFO] updating cached repository https://github.com/Napokue/chip-8 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/Napokue/chip-8 [INFO] [stderr] 1199a1e..15e71b0 master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 15e71b0c3c72f47dfec8dacf847125c89ce63863 [INFO] checking Napokue/chip-8 against master#b1f395de642e8be7bcbbd2bd8aaadab715851f49 for pr-69410 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNapokue%2Fchip-8" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Napokue/chip-8 on toolchain b1f395de642e8be7bcbbd2bd8aaadab715851f49 [INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Napokue/chip-8 [INFO] finished tweaking git repo https://github.com/Napokue/chip-8 [INFO] tweaked toml for git repo https://github.com/Napokue/chip-8 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/Napokue/chip-8 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9e4443b97f7da6af91ec0216420e6bdc6f5d01e4868cb89c4f721ec69cdb9cfd [INFO] running `"docker" "start" "-a" "9e4443b97f7da6af91ec0216420e6bdc6f5d01e4868cb89c4f721ec69cdb9cfd"` [INFO] [stderr] Compiling syn v1.0.15 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking atom v0.3.5 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking colorful v0.2.1 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Checking downcast-rs v1.1.1 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking instant v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling x11-dl v2.18.4 [INFO] [stderr] Checking raw-window-handle v0.3.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking relevant v0.4.2 [INFO] [stderr] Checking stb_truetype v0.3.0 [INFO] [stderr] Checking libloading v0.5.2 [INFO] [stderr] Checking hibitset v0.6.3 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking ash v0.29.0 [INFO] [stderr] Checking gfx-hal v0.4.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking wayland-sys v0.23.6 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Compiling wayland-scanner v0.23.6 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking rusttype v0.8.1 [INFO] [stderr] Checking rusttype v0.7.9 [INFO] [stderr] Checking andrew v0.2.1 [INFO] [stderr] Compiling wayland-client v0.23.6 [INFO] [stderr] Compiling wayland-protocols v0.23.6 [INFO] [stderr] Checking calloop v0.4.4 [INFO] [stderr] Checking wayland-commons v0.23.6 [INFO] [stderr] Compiling peek-poke-derive v0.2.0 (https://github.com/kvark/peek-poke?rev=969bd7fe2be1a83f87916dc8b388c63cfd457075#969bd7fe) [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Checking gfx-backend-empty v0.4.0 [INFO] [stderr] Checking rendy-memory v0.5.2 [INFO] [stderr] Checking rendy-descriptor v0.5.1 [INFO] [stderr] Checking peek-poke v0.2.0 (https://github.com/kvark/peek-poke?rev=969bd7fe2be1a83f87916dc8b388c63cfd457075#969bd7fe) [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking gfx-backend-vulkan v0.4.2 [INFO] [stderr] Checking smithay-client-toolkit v0.6.4 [INFO] [stderr] Checking wgpu-core v0.1.0 (https://github.com/gfx-rs/wgpu?rev=f2323f2b23b7dbe060d324266cf6c1c864152e91#f2323f2b) [INFO] [stderr] Checking winit v0.21.0 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking wgpu-native v0.4.0 (https://github.com/gfx-rs/wgpu?rev=f2323f2b23b7dbe060d324266cf6c1c864152e91#f2323f2b) [INFO] [stderr] Checking wgpu v0.4.0 (https://github.com/gfx-rs/wgpu-rs#fabb0fd7) [INFO] [stderr] Checking chip-8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `boilerplate::Application` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | boilerplate::Application [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/cpu.rs:60:19 [INFO] [stderr] | [INFO] [stderr] 60 | let nnn = (opcode & 0x0FFF); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `thread`, `time` [INFO] [stderr] --> src/main.rs:9:16 [INFO] [stderr] | [INFO] [stderr] 9 | use std::{env, thread, time}; [INFO] [stderr] | ^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `LocalSpawner` [INFO] [stderr] --> src/./boilerplate.rs:7:36 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::executor::{LocalPool, LocalSpawner}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `boilerplate::Application` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | boilerplate::Application [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/cpu.rs:60:19 [INFO] [stderr] | [INFO] [stderr] 60 | let nnn = (opcode & 0x0FFF); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `thread`, `time` [INFO] [stderr] --> src/main.rs:9:16 [INFO] [stderr] | [INFO] [stderr] 9 | use std::{env, thread, time}; [INFO] [stderr] | ^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `LocalSpawner` [INFO] [stderr] --> src/./boilerplate.rs:7:36 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::executor::{LocalPool, LocalSpawner}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cpu` [INFO] [stderr] --> src/main.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | let mut cpu = Cpu::new(&args[1]); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_cpu` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `harness` [INFO] [stderr] --> src/main.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | let mut harness = boilerplate::Harness::new("Chip 8 Emulator"); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_harness` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `renderer` [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let renderer = engines::graphics::Engine::new(); [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_renderer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/cpu.rs:64:13 [INFO] [stderr] | [INFO] [stderr] 64 | let n = nibbles.3 as u8; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `device` [INFO] [stderr] --> src/./boilerplate.rs:25:26 [INFO] [stderr] | [INFO] [stderr] 25 | fn resize(&mut self, device: &wgpu::Device, extent: wgpu::Extent3d) {} [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_device` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `extent` [INFO] [stderr] --> src/./boilerplate.rs:25:49 [INFO] [stderr] | [INFO] [stderr] 25 | fn resize(&mut self, device: &wgpu::Device, extent: wgpu::Extent3d) {} [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_extent` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `last_time` [INFO] [stderr] --> src/./boilerplate.rs:113:17 [INFO] [stderr] | [INFO] [stderr] 113 | let mut last_time = time::Instant::now(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_last_time` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `queue` [INFO] [stderr] --> src/./boilerplate.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | queue, [INFO] [stderr] | ^^^^^ help: try ignoring the field: `queue: _` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let mut cpu = Cpu::new(&args[1]); [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/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut harness = boilerplate::Harness::new("Chip 8 Emulator"); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/./boilerplate.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | let mut last_time = time::Instant::now(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `memory` [INFO] [stderr] --> src/cpu.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | memory: [u8; 4096], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `v` [INFO] [stderr] --> src/cpu.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | v: [u8; 16], [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `i` [INFO] [stderr] --> src/cpu.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | i: usize, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pc` [INFO] [stderr] --> src/cpu.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | pc: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `delay_timer` [INFO] [stderr] --> src/cpu.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | delay_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sound_timer` [INFO] [stderr] --> src/cpu.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | sound_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `stack` [INFO] [stderr] --> src/cpu.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | stack: [u16; 16], [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sp` [INFO] [stderr] --> src/cpu.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | sp: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cpu` [INFO] [stderr] --> src/main.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | let mut cpu = Cpu::new(&args[1]); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_cpu` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `emulate_cycle` [INFO] [stderr] --> src/cpu.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn emulate_cycle(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next_instruction` [INFO] [stderr] --> src/cpu.rs:324:5 [INFO] [stderr] | [INFO] [stderr] 324 | fn next_instruction(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `harness` [INFO] [stderr] --> src/main.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | let mut harness = boilerplate::Harness::new("Chip 8 Emulator"); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_harness` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `skip_instruction` [INFO] [stderr] --> src/cpu.rs:328:5 [INFO] [stderr] | [INFO] [stderr] 328 | fn skip_instruction(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `jump_to_instruction` [INFO] [stderr] --> src/cpu.rs:332:5 [INFO] [stderr] | [INFO] [stderr] 332 | fn jump_to_instruction(&mut self, addr: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `event_loop` [INFO] [stderr] --> src/./boilerplate.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | event_loop: EventLoop<()>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `window` [INFO] [stderr] --> src/./boilerplate.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | window: Window, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `surface` [INFO] [stderr] --> src/./boilerplate.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | surface: wgpu::Surface, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `renderer` [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let renderer = engines::graphics::Engine::new(); [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_renderer` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `swap_chain` [INFO] [stderr] --> src/./boilerplate.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | swap_chain: wgpu::SwapChain, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `reload_on_focus` [INFO] [stderr] --> src/./boilerplate.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | reload_on_focus: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `depth_target` [INFO] [stderr] --> src/./boilerplate.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | depth_target: wgpu::TextureView, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/cpu.rs:64:13 [INFO] [stderr] | [INFO] [stderr] 64 | let n = nibbles.3 as u8; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `main_loop` [INFO] [stderr] --> src/./boilerplate.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 110 | pub fn main_loop(self, mut app: A) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `device` [INFO] [stderr] --> src/./boilerplate.rs:25:26 [INFO] [stderr] | [INFO] [stderr] 25 | fn resize(&mut self, device: &wgpu::Device, extent: wgpu::Extent3d) {} [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_device` [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `CPU_DELAY` [INFO] [stderr] --> src/main.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | const CPU_DELAY : u64 = 5000; // microseconds [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/cpu.rs:165:20 [INFO] [stderr] | [INFO] [stderr] 165 | if self.v[x as usize] > 255 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `extent` [INFO] [stderr] --> src/./boilerplate.rs:25:49 [INFO] [stderr] | [INFO] [stderr] 25 | fn resize(&mut self, device: &wgpu::Device, extent: wgpu::Extent3d) {} [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_extent` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `last_time` [INFO] [stderr] --> src/./boilerplate.rs:113:17 [INFO] [stderr] | [INFO] [stderr] 113 | let mut last_time = time::Instant::now(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_last_time` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `queue` [INFO] [stderr] --> src/./boilerplate.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | queue, [INFO] [stderr] | ^^^^^ help: try ignoring the field: `queue: _` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let mut cpu = Cpu::new(&args[1]); [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/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut harness = boilerplate::Harness::new("Chip 8 Emulator"); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/./boilerplate.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | let mut last_time = time::Instant::now(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `memory` [INFO] [stderr] --> src/cpu.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | memory: [u8; 4096], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `v` [INFO] [stderr] --> src/cpu.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | v: [u8; 16], [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `i` [INFO] [stderr] --> src/cpu.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | i: usize, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pc` [INFO] [stderr] --> src/cpu.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | pc: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `delay_timer` [INFO] [stderr] --> src/cpu.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | delay_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sound_timer` [INFO] [stderr] --> src/cpu.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | sound_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `stack` [INFO] [stderr] --> src/cpu.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | stack: [u16; 16], [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sp` [INFO] [stderr] --> src/cpu.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | sp: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `emulate_cycle` [INFO] [stderr] --> src/cpu.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn emulate_cycle(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next_instruction` [INFO] [stderr] --> src/cpu.rs:324:5 [INFO] [stderr] | [INFO] [stderr] 324 | fn next_instruction(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `skip_instruction` [INFO] [stderr] --> src/cpu.rs:328:5 [INFO] [stderr] | [INFO] [stderr] 328 | fn skip_instruction(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `jump_to_instruction` [INFO] [stderr] --> src/cpu.rs:332:5 [INFO] [stderr] | [INFO] [stderr] 332 | fn jump_to_instruction(&mut self, addr: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `event_loop` [INFO] [stderr] --> src/./boilerplate.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | event_loop: EventLoop<()>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `window` [INFO] [stderr] --> src/./boilerplate.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | window: Window, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `surface` [INFO] [stderr] --> src/./boilerplate.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | surface: wgpu::Surface, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `swap_chain` [INFO] [stderr] --> src/./boilerplate.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | swap_chain: wgpu::SwapChain, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `reload_on_focus` [INFO] [stderr] --> src/./boilerplate.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | reload_on_focus: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `depth_target` [INFO] [stderr] --> src/./boilerplate.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | depth_target: wgpu::TextureView, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `main_loop` [INFO] [stderr] --> src/./boilerplate.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 110 | pub fn main_loop(self, mut app: A) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `CPU_DELAY` [INFO] [stderr] --> src/main.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | const CPU_DELAY : u64 = 5000; // microseconds [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/cpu.rs:165:20 [INFO] [stderr] | [INFO] [stderr] 165 | if self.v[x as usize] > 255 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 23s [INFO] running `"docker" "inspect" "9e4443b97f7da6af91ec0216420e6bdc6f5d01e4868cb89c4f721ec69cdb9cfd"` [INFO] running `"docker" "rm" "-f" "9e4443b97f7da6af91ec0216420e6bdc6f5d01e4868cb89c4f721ec69cdb9cfd"` [INFO] [stdout] 9e4443b97f7da6af91ec0216420e6bdc6f5d01e4868cb89c4f721ec69cdb9cfd