[INFO] cloning repository https://github.com/partg952/chip8-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/partg952/chip8-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpartg952%2Fchip8-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpartg952%2Fchip8-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 895fa1b729726fcb4feedb64c5f67999d26a0b18
[INFO] checking partg952/chip8-emu against master#3645249d79dfb136b5d8de3ce153d19d6698d92d for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpartg952%2Fchip8-emu" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/partg952/chip8-emu
[INFO] finished tweaking git repo https://github.com/partg952/chip8-emu
[INFO] tweaked toml for git repo https://github.com/partg952/chip8-emu written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/partg952/chip8-emu on toolchain 3645249d79dfb136b5d8de3ce153d19d6698d92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/partg952/chip8-emu 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" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded atspi-connection v0.9.0
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[INFO] [stderr]   Downloaded atspi v0.25.0
[INFO] [stderr]   Downloaded accesskit_unix v0.15.0
[INFO] [stderr]   Downloaded accesskit_winit v0.27.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06955feb34516d580c5bed02f4a96ccb42d444e5ea2f065c9826dfc6844f417c
[INFO] running `Command { std: "docker" "start" "-a" "06955feb34516d580c5bed02f4a96ccb42d444e5ea2f065c9826dfc6844f417c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06955feb34516d580c5bed02f4a96ccb42d444e5ea2f065c9826dfc6844f417c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06955feb34516d580c5bed02f4a96ccb42d444e5ea2f065c9826dfc6844f417c", kill_on_drop: false }`
[INFO] [stdout] 06955feb34516d580c5bed02f4a96ccb42d444e5ea2f065c9826dfc6844f417c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75aa9695b1ec8e46e4c8a6d368fafb9bb1642ca0b732458782ca28ed5f672770
[INFO] running `Command { std: "docker" "start" "-a" "75aa9695b1ec8e46e4c8a6d368fafb9bb1642ca0b732458782ca28ed5f672770", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
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[INFO] [stderr]     Checking bitflags v2.9.1
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[INFO] [stderr]    Compiling zvariant_derive v5.6.0
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[INFO] [stderr]    Compiling zbus_macros v5.9.0
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[INFO] [stderr]    Compiling zbus-lockstep-macros v0.5.1
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[INFO] [stderr]     Checking chip8-debugger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Key`, `WindowOptions`, and `Window`
[INFO] [stdout]  --> src/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use minifb::{WindowOptions,Window,Key};
[INFO] [stdout]   |              ^^^^^^^^^^^^^ ^^^^^^ ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt::format` and `path::PathBuf`
[INFO] [stdout]  --> src/window.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::format, path::PathBuf};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/window.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::cpu::{self, CPU};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Margin`
[INFO] [stdout]  --> src/window.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use egui::{Color32, ColorImage, Margin, RichText, TextureHandle, TextureOptions, Vec2};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rfd::FileDialog`
[INFO] [stdout]  --> src/window.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rfd::FileDialog;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/window.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 if (self.rom_loaded) {
[INFO] [stdout]    |                    ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 -                 if (self.rom_loaded) {
[INFO] [stdout] 81 +                 if self.rom_loaded  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/window.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |         if (self.chip8.delay_timer > 0) {
[INFO] [stdout]    |            ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -         if (self.chip8.delay_timer > 0) {
[INFO] [stdout] 89 +         if self.chip8.delay_timer > 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/window.rs:145:40
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   for idx in (0..=4) {
[INFO] [stdout]     |                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 145 -                             for idx in (0..=4) {
[INFO] [stdout] 145 +                             for idx in 0..=4  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/window.rs:168:40
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   for idx in (1..=8) {
[INFO] [stdout]     |                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -                             for idx in (1..=8) {
[INFO] [stdout] 168 +                             for idx in 1..=8  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:233:29
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let value = (opcode & 0x00FF);
[INFO] [stdout]     |                             ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 233 -                 let value = (opcode & 0x00FF);
[INFO] [stdout] 233 +                 let value = opcode & 0x00FF ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:240:35
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 let last_nibble = (opcode & 0x000F);
[INFO] [stdout]     |                                   ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 240 -                 let last_nibble = (opcode & 0x000F);
[INFO] [stdout] 240 +                 let last_nibble = opcode & 0x000F ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:294:33
[INFO] [stdout]     |
[INFO] [stdout] 294 |                 let last_byte = (opcode & 0x00FF);
[INFO] [stdout]     |                                 ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 294 -                 let last_byte = (opcode & 0x00FF);
[INFO] [stdout] 294 +                 let last_byte = opcode & 0x00FF ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:315:33
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 let last_byte = (opcode & 0x00FF);
[INFO] [stdout]     |                                 ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 315 -                 let last_byte = (opcode & 0x00FF);
[INFO] [stdout] 315 +                 let last_byte = opcode & 0x00FF ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:376:19
[INFO] [stdout]     |
[INFO] [stdout] 376 |         let low = (self.memory[(self.pc + 1) as usize] as u16);
[INFO] [stdout]     |                   ^                                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 376 -         let low = (self.memory[(self.pc + 1) as usize] as u16);
[INFO] [stdout] 376 +         let low = self.memory[(self.pc + 1) as usize] as u16 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::CPU`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cpu::CPU;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:102:26
[INFO] [stdout]     |
[INFO] [stdout] 102 |             egui::Frame::none().inner_margin(10.0).show(ui, |ui| {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |             egui::Frame::none().stroke(egui::Stroke::NONE).show(ui,|ui| {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 egui::Frame::none().outer_margin(10.0).show(ui, |ui| {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:140:30
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 egui::Frame::none().inner_margin(40.0).show(ui, |ui| {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:159:26
[INFO] [stdout]     |
[INFO] [stdout] 159 |             egui::Frame::none().stroke(egui::Stroke::NONE).show(ui,|ui| {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:160:30
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 egui::Frame::none().outer_margin(10.0).show(ui, |ui| {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 egui::Frame::none().inner_margin(40.0).show(ui, |ui| {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Key`, `WindowOptions`, and `Window`
[INFO] [stdout]  --> src/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use minifb::{WindowOptions,Window,Key};
[INFO] [stdout]   |              ^^^^^^^^^^^^^ ^^^^^^ ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt::format` and `path::PathBuf`
[INFO] [stdout]  --> src/window.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::format, path::PathBuf};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/window.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::cpu::{self, CPU};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Margin`
[INFO] [stdout]  --> src/window.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use egui::{Color32, ColorImage, Margin, RichText, TextureHandle, TextureOptions, Vec2};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rfd::FileDialog`
[INFO] [stdout]  --> src/window.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rfd::FileDialog;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/window.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 if (self.rom_loaded) {
[INFO] [stdout]    |                    ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 -                 if (self.rom_loaded) {
[INFO] [stdout] 81 +                 if self.rom_loaded  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/window.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |         if (self.chip8.delay_timer > 0) {
[INFO] [stdout]    |            ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -         if (self.chip8.delay_timer > 0) {
[INFO] [stdout] 89 +         if self.chip8.delay_timer > 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/window.rs:145:40
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   for idx in (0..=4) {
[INFO] [stdout]     |                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 145 -                             for idx in (0..=4) {
[INFO] [stdout] 145 +                             for idx in 0..=4  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/window.rs:168:40
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   for idx in (1..=8) {
[INFO] [stdout]     |                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -                             for idx in (1..=8) {
[INFO] [stdout] 168 +                             for idx in 1..=8  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:233:29
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let value = (opcode & 0x00FF);
[INFO] [stdout]     |                             ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 233 -                 let value = (opcode & 0x00FF);
[INFO] [stdout] 233 +                 let value = opcode & 0x00FF ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:240:35
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 let last_nibble = (opcode & 0x000F);
[INFO] [stdout]     |                                   ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 240 -                 let last_nibble = (opcode & 0x000F);
[INFO] [stdout] 240 +                 let last_nibble = opcode & 0x000F ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:294:33
[INFO] [stdout]     |
[INFO] [stdout] 294 |                 let last_byte = (opcode & 0x00FF);
[INFO] [stdout]     |                                 ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 294 -                 let last_byte = (opcode & 0x00FF);
[INFO] [stdout] 294 +                 let last_byte = opcode & 0x00FF ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:315:33
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 let last_byte = (opcode & 0x00FF);
[INFO] [stdout]     |                                 ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 315 -                 let last_byte = (opcode & 0x00FF);
[INFO] [stdout] 315 +                 let last_byte = opcode & 0x00FF ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:376:19
[INFO] [stdout]     |
[INFO] [stdout] 376 |         let low = (self.memory[(self.pc + 1) as usize] as u16);
[INFO] [stdout]     |                   ^                                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 376 -         let low = (self.memory[(self.pc + 1) as usize] as u16);
[INFO] [stdout] 376 +         let low = self.memory[(self.pc + 1) as usize] as u16 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::CPU`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cpu::CPU;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/window.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut chip8 = CPU::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/window.rs:168:33
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   for idx in (1..=8) {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `play_button_label` is never read
[INFO] [stdout]   --> src/window.rs:72:37
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut play_button_label = "Play";
[INFO] [stdout]    |                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cpu.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut new_cpu = CPU {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cpu.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |                         let mut number = self.v[register as usize];
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:102:26
[INFO] [stdout]     |
[INFO] [stdout] 102 |             egui::Frame::none().inner_margin(10.0).show(ui, |ui| {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |             egui::Frame::none().stroke(egui::Stroke::NONE).show(ui,|ui| {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 egui::Frame::none().outer_margin(10.0).show(ui, |ui| {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:140:30
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 egui::Frame::none().inner_margin(40.0).show(ui, |ui| {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:159:26
[INFO] [stdout]     |
[INFO] [stdout] 159 |             egui::Frame::none().stroke(egui::Stroke::NONE).show(ui,|ui| {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:160:30
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 egui::Frame::none().outer_margin(10.0).show(ui, |ui| {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `egui::Frame::none`: Use `Frame::NONE` or `Frame::new()` instead.
[INFO] [stdout]    --> src/window.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 egui::Frame::none().inner_margin(40.0).show(ui, |ui| {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/window.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut chip8 = CPU::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/window.rs:168:33
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   for idx in (1..=8) {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `play_button_label` is never read
[INFO] [stdout]   --> src/window.rs:72:37
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut play_button_label = "Play";
[INFO] [stdout]    |                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cpu.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut new_cpu = CPU {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cpu.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |                         let mut number = self.v[register as usize];
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "75aa9695b1ec8e46e4c8a6d368fafb9bb1642ca0b732458782ca28ed5f672770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75aa9695b1ec8e46e4c8a6d368fafb9bb1642ca0b732458782ca28ed5f672770", kill_on_drop: false }`
[INFO] [stdout] 75aa9695b1ec8e46e4c8a6d368fafb9bb1642ca0b732458782ca28ed5f672770
