[INFO] cloning repository https://github.com/lalilinx/chip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lalilinx/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalilinx%2Fchip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalilinx%2Fchip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 638c5a2a44594a69b83b15084f6c99965200863a [INFO] checking lalilinx/chip8 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalilinx%2Fchip8" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/lalilinx/chip8 [INFO] finished tweaking git repo https://github.com/lalilinx/chip8 [INFO] tweaked toml for git repo https://github.com/lalilinx/chip8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/lalilinx/chip8 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/lalilinx/chip8 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e143c28031da4d1a4574b534fc8c7022d07077e9ca0852de324a1c2e46b350af [INFO] running `Command { std: "docker" "start" "-a" "e143c28031da4d1a4574b534fc8c7022d07077e9ca0852de324a1c2e46b350af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e143c28031da4d1a4574b534fc8c7022d07077e9ca0852de324a1c2e46b350af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e143c28031da4d1a4574b534fc8c7022d07077e9ca0852de324a1c2e46b350af", kill_on_drop: false }` [INFO] [stdout] e143c28031da4d1a4574b534fc8c7022d07077e9ca0852de324a1c2e46b350af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1fe8cf5942aeb8e4df979fd9842460ddcc90efb4dfa14c1ea607965c2081fa8 [INFO] running `Command { std: "docker" "start" "-a" "a1fe8cf5942aeb8e4df979fd9842460ddcc90efb4dfa14c1ea607965c2081fa8", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.1 [INFO] [stderr] Checking bitflags v2.9.1 [INFO] [stderr] Compiling libc 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[INFO] [stderr] Checking wide v0.7.33 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking smol_str v0.2.2 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking xkbcommon-dl v0.4.2 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking owned_ttf_parser v0.25.0 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Checking crossbeam-queue v0.3.12 [INFO] [stderr] Checking web-time v1.1.0 [INFO] [stderr] Checking ab_glyph v0.2.30 [INFO] [stderr] Checking pollster v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking gpu-descriptor v0.2.4 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking ultraviolet v0.9.2 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Checking polling v3.8.0 [INFO] [stderr] Checking naga v0.19.2 [INFO] [stderr] Checking calloop v0.12.4 [INFO] [stderr] Checking wayland-csd-frame v0.3.0 [INFO] [stderr] Checking wayland-protocols v0.31.2 [INFO] [stderr] Checking wayland-cursor v0.31.10 [INFO] [stderr] Checking calloop-wayland-source v0.2.0 [INFO] [stderr] Checking wayland-protocols-wlr v0.2.0 [INFO] [stderr] Checking wayland-protocols-plasma v0.2.0 [INFO] [stderr] Checking x11rb v0.13.1 [INFO] [stderr] Checking sctk-adwaita v0.8.3 [INFO] [stderr] Checking winit_input_helper v0.15.3 [INFO] [stderr] Checking pixels v0.15.0 [INFO] [stderr] Checking chip8-emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | let mut input = WinitInputHelper::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_render_tick` [INFO] [stdout] --> src/main.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | let mut last_render_tick = Instant::now(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_render_tick` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:162:44 [INFO] [stdout] | [INFO] [stdout] 162 | TrySendError::Full(f) => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/main.rs:163:52 [INFO] [stdout] | [INFO] [stdout] 163 | TrySendError::Disconnected(d) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let mut last_render_tick = Instant::now(); [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: unused variable: `input` [INFO] [stdout] --> src/main.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | let mut input = WinitInputHelper::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_render_tick` [INFO] [stdout] --> src/main.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | let mut last_render_tick = Instant::now(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_render_tick` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:162:44 [INFO] [stdout] | [INFO] [stdout] 162 | TrySendError::Full(f) => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/main.rs:163:52 [INFO] [stdout] | [INFO] [stdout] 163 | TrySendError::Disconnected(d) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let mut last_render_tick = Instant::now(); [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/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let mut input = WinitInputHelper::new(); [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/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let mut input = WinitInputHelper::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ranNum` [INFO] [stdout] --> src/main.rs:563:21 [INFO] [stdout] | [INFO] [stdout] 563 | let ranNum: u8 = rand::thread_rng().r#gen(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ranNum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:672:26 [INFO] [stdout] | [INFO] [stdout] 672 | fn get_sprite(&self, i: &u16, n: &u8) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:672:35 [INFO] [stdout] | [INFO] [stdout] 672 | fn get_sprite(&self, i: &u16, n: &u8) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FPS` is never used [INFO] [stdout] --> src/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const FPS: f32 = 16.67; // 60 frames per second or 60 Hz [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FONTSET_START_ADDRESS` is never used [INFO] [stdout] --> src/main.rs:22:7 [INFO] [stdout] | [INFO] [stdout] 22 | const FONTSET_START_ADDRESS: u16 = 0x50; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MEMORY_SIZE` is never used [INFO] [stdout] --> src/main.rs:24:7 [INFO] [stdout] | [INFO] [stdout] 24 | const MEMORY_SIZE: usize = 4096; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `RENDER_HZ` is never used [INFO] [stdout] --> src/main.rs:30:7 [INFO] [stdout] | [INFO] [stdout] 30 | const RENDER_HZ: u64 = 120; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_key_pressed` is never used [INFO] [stdout] --> src/main.rs:258:8 [INFO] [stdout] | [INFO] [stdout] 218 | impl InputHandler { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 258 | fn is_key_pressed(&self, key: u8) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ranNum` [INFO] [stdout] --> src/main.rs:563:21 [INFO] [stdout] | [INFO] [stdout] 563 | let ranNum: u8 = rand::thread_rng().r#gen(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ranNum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/main.rs:301:5 [INFO] [stdout] | [INFO] [stdout] 300 | struct Chip8 { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 301 | registers: [u8; 16], [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 302 | i: u16, [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 305 | stack: [u16; 16], // Stack for storing return addresses [INFO] [stdout] | ^^^^^ [INFO] [stdout] 306 | delay_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 307 | sound_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 313 | draw_flag: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 314 | frame_buffer: Arc>, // memory: Memory, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `nibble` is never used [INFO] [stdout] --> src/main.rs:318:4 [INFO] [stdout] | [INFO] [stdout] 318 | fn nibble(value: &u16, n: u8) -> u8 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/main.rs:350:8 [INFO] [stdout] | [INFO] [stdout] 322 | impl Chip8 { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 350 | fn load_rom(&mut self, path: String) -> Result<(), io::Error> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 380 | fn update_timer(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 390 | fn cycle(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 398 | fn fetch(&self) -> u16 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 402 | fn decode_and_execute(&mut self, inst: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 672 | fn get_sprite(&self, i: &u16, n: &u8) {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 673 | [INFO] [stdout] 674 | fn get_register_data(&self, regi: &u8) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 678 | fn register(&mut self, regi: u8, data: u8) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 686 | fn push(&mut self, data: u16) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 695 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:672:26 [INFO] [stdout] | [INFO] [stdout] 672 | fn get_sprite(&self, i: &u16, n: &u8) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:672:35 [INFO] [stdout] | [INFO] [stdout] 672 | fn get_sprite(&self, i: &u16, n: &u8) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FPS` is never used [INFO] [stdout] --> src/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const FPS: f32 = 16.67; // 60 frames per second or 60 Hz [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FONTSET_START_ADDRESS` is never used [INFO] [stdout] --> src/main.rs:22:7 [INFO] [stdout] | [INFO] [stdout] 22 | const FONTSET_START_ADDRESS: u16 = 0x50; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MEMORY_SIZE` is never used [INFO] [stdout] --> src/main.rs:24:7 [INFO] [stdout] | [INFO] [stdout] 24 | const MEMORY_SIZE: usize = 4096; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `RENDER_HZ` is never used [INFO] [stdout] --> src/main.rs:30:7 [INFO] [stdout] | [INFO] [stdout] 30 | const RENDER_HZ: u64 = 120; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_key_pressed` is never used [INFO] [stdout] --> src/main.rs:258:8 [INFO] [stdout] | [INFO] [stdout] 218 | impl InputHandler { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 258 | fn is_key_pressed(&self, key: u8) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/main.rs:301:5 [INFO] [stdout] | [INFO] [stdout] 300 | struct Chip8 { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 301 | registers: [u8; 16], [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 302 | i: u16, [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 305 | stack: [u16; 16], // Stack for storing return addresses [INFO] [stdout] | ^^^^^ [INFO] [stdout] 306 | delay_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 307 | sound_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 313 | draw_flag: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 314 | frame_buffer: Arc>, // memory: Memory, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `nibble` is never used [INFO] [stdout] --> src/main.rs:318:4 [INFO] [stdout] | [INFO] [stdout] 318 | fn nibble(value: &u16, n: u8) -> u8 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/main.rs:350:8 [INFO] [stdout] | [INFO] [stdout] 322 | impl Chip8 { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 350 | fn load_rom(&mut self, path: String) -> Result<(), io::Error> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 380 | fn update_timer(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 390 | fn cycle(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 398 | fn fetch(&self) -> u16 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 402 | fn decode_and_execute(&mut self, inst: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 672 | fn get_sprite(&self, i: &u16, n: &u8) {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 673 | [INFO] [stdout] 674 | fn get_register_data(&self, regi: &u8) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 678 | fn register(&mut self, regi: u8, data: u8) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 686 | fn push(&mut self, data: u16) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 695 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:469:17 [INFO] [stdout] | [INFO] [stdout] 469 | self.register(x, kk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 469 | let _ = self.register(x, kk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:475:17 [INFO] [stdout] | [INFO] [stdout] 475 | self.register(x, vx + kk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 475 | let _ = self.register(x, vx + kk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:486:25 [INFO] [stdout] | [INFO] [stdout] 486 | self.register(x, vy); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 486 | let _ = self.register(x, vy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:489:25 [INFO] [stdout] | [INFO] [stdout] 489 | self.register(x, vx | vy); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 489 | let _ = self.register(x, vx | vy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:492:25 [INFO] [stdout] | [INFO] [stdout] 492 | self.register(x, vx & vy); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 492 | let _ = self.register(x, vx & vy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:495:25 [INFO] [stdout] | [INFO] [stdout] 495 | self.register(x, vx ^ vy); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 495 | let _ = self.register(x, vx ^ vy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:500:29 [INFO] [stdout] | [INFO] [stdout] 500 | ... self.register(0xF, 0x1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 500 | let _ = self.register(0xF, 0x1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:501:29 [INFO] [stdout] | [INFO] [stdout] 501 | ... self.register(x, sum); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 501 | let _ = self.register(x, sum); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:504:25 [INFO] [stdout] | [INFO] [stdout] 504 | self.register(0xF, 0x0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 504 | let _ = self.register(0xF, 0x0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:508:29 [INFO] [stdout] | [INFO] [stdout] 508 | ... self.register(0xF, 0x1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 508 | let _ = self.register(0xF, 0x1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:509:29 [INFO] [stdout] | [INFO] [stdout] 509 | ... self.register(x, vx - vy); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 509 | let _ = self.register(x, vx - vy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:469:17 [INFO] [stdout] | [INFO] [stdout] 469 | self.register(x, kk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 469 | let _ = self.register(x, kk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:475:17 [INFO] [stdout] | [INFO] [stdout] 475 | self.register(x, vx + kk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 475 | let _ = self.register(x, vx + kk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:486:25 [INFO] [stdout] | [INFO] [stdout] 486 | self.register(x, vy); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 486 | let _ = self.register(x, vy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:489:25 [INFO] [stdout] | [INFO] [stdout] 489 | self.register(x, vx | vy); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 489 | let _ = self.register(x, vx | vy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:512:25 [INFO] [stdout] | [INFO] [stdout] 512 | self.register(0xF, 0x0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 512 | let _ = self.register(0xF, 0x0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:492:25 [INFO] [stdout] | [INFO] [stdout] 492 | self.register(x, vx & vy); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 492 | let _ = self.register(x, vx & vy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:517:29 [INFO] [stdout] | [INFO] [stdout] 517 | ... self.register(0xF, lsb); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 517 | let _ = self.register(0xF, lsb); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:518:29 [INFO] [stdout] | [INFO] [stdout] 518 | ... self.register(x, vx >> 0x1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 518 | let _ = self.register(x, vx >> 0x1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:495:25 [INFO] [stdout] | [INFO] [stdout] 495 | self.register(x, vx ^ vy); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 495 | let _ = self.register(x, vx ^ vy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:500:29 [INFO] [stdout] | [INFO] [stdout] 500 | ... self.register(0xF, 0x1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 500 | let _ = self.register(0xF, 0x1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:501:29 [INFO] [stdout] | [INFO] [stdout] 501 | ... self.register(x, sum); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 501 | let _ = self.register(x, sum); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:504:25 [INFO] [stdout] | [INFO] [stdout] 504 | self.register(0xF, 0x0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 504 | let _ = self.register(0xF, 0x0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:508:29 [INFO] [stdout] | [INFO] [stdout] 508 | ... self.register(0xF, 0x1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 508 | let _ = self.register(0xF, 0x1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:509:29 [INFO] [stdout] | [INFO] [stdout] 509 | ... self.register(x, vx - vy); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 509 | let _ = self.register(x, vx - vy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:512:25 [INFO] [stdout] | [INFO] [stdout] 512 | self.register(0xF, 0x0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 512 | let _ = self.register(0xF, 0x0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:517:29 [INFO] [stdout] | [INFO] [stdout] 517 | ... self.register(0xF, lsb); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 517 | let _ = self.register(0xF, lsb); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:518:29 [INFO] [stdout] | [INFO] [stdout] 518 | ... self.register(x, vx >> 0x1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 518 | let _ = self.register(x, vx >> 0x1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:520:25 [INFO] [stdout] | [INFO] [stdout] 520 | self.register(0xF, 0x0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 520 | let _ = self.register(0xF, 0x0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:524:29 [INFO] [stdout] | [INFO] [stdout] 524 | ... self.register(0xF, 0x1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 524 | let _ = self.register(0xF, 0x1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:525:29 [INFO] [stdout] | [INFO] [stdout] 525 | ... self.register(x, vy - vx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 525 | let _ = self.register(x, vy - vx); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:527:25 [INFO] [stdout] | [INFO] [stdout] 527 | self.register(0xF, 0x0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 527 | let _ = self.register(0xF, 0x0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:532:29 [INFO] [stdout] | [INFO] [stdout] 532 | ... self.register(0xF, 0x1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 532 | let _ = self.register(0xF, 0x1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:533:29 [INFO] [stdout] | [INFO] [stdout] 533 | ... self.register(x, vx << 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 533 | let _ = self.register(x, vx << 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:535:25 [INFO] [stdout] | [INFO] [stdout] 535 | self.register(0xF, 0x0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 535 | let _ = self.register(0xF, 0x0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ranNum` should have a snake case name [INFO] [stdout] --> src/main.rs:563:21 [INFO] [stdout] | [INFO] [stdout] 563 | let ranNum: u8 = rand::thread_rng().r#gen(); [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `ran_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:565:17 [INFO] [stdout] | [INFO] [stdout] 565 | self.register(x, vx & kk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 565 | let _ = self.register(x, vx & kk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:593:17 [INFO] [stdout] | [INFO] [stdout] 593 | self.register(0xF, vf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 593 | let _ = self.register(0xF, vf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:625:25 [INFO] [stdout] | [INFO] [stdout] 625 | self.register(x, self.delay_timer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 625 | let _ = self.register(x, self.delay_timer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:630:33 [INFO] [stdout] | [INFO] [stdout] 630 | ... self.register(x, key as u8); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 630 | let _ = self.register(x, key as u8); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:661:29 [INFO] [stdout] | [INFO] [stdout] 661 | ... self.register(v, self.memory[self.i as usize]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 661 | let _ = self.register(v, self.memory[self.i as usize]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:520:25 [INFO] [stdout] | [INFO] [stdout] 520 | self.register(0xF, 0x0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 520 | let _ = self.register(0xF, 0x0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:524:29 [INFO] [stdout] | [INFO] [stdout] 524 | ... self.register(0xF, 0x1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 524 | let _ = self.register(0xF, 0x1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:525:29 [INFO] [stdout] | [INFO] [stdout] 525 | ... self.register(x, vy - vx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 525 | let _ = self.register(x, vy - vx); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:527:25 [INFO] [stdout] | [INFO] [stdout] 527 | self.register(0xF, 0x0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 527 | let _ = self.register(0xF, 0x0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:532:29 [INFO] [stdout] | [INFO] [stdout] 532 | ... self.register(0xF, 0x1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 532 | let _ = self.register(0xF, 0x1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:533:29 [INFO] [stdout] | [INFO] [stdout] 533 | ... self.register(x, vx << 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 533 | let _ = self.register(x, vx << 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:535:25 [INFO] [stdout] | [INFO] [stdout] 535 | self.register(0xF, 0x0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 535 | let _ = self.register(0xF, 0x0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ranNum` should have a snake case name [INFO] [stdout] --> src/main.rs:563:21 [INFO] [stdout] | [INFO] [stdout] 563 | let ranNum: u8 = rand::thread_rng().r#gen(); [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `ran_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:565:17 [INFO] [stdout] | [INFO] [stdout] 565 | self.register(x, vx & kk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 565 | let _ = self.register(x, vx & kk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:593:17 [INFO] [stdout] | [INFO] [stdout] 593 | self.register(0xF, vf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 593 | let _ = self.register(0xF, vf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:625:25 [INFO] [stdout] | [INFO] [stdout] 625 | self.register(x, self.delay_timer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 625 | let _ = self.register(x, self.delay_timer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:630:33 [INFO] [stdout] | [INFO] [stdout] 630 | ... self.register(x, key as u8); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 630 | let _ = self.register(x, key as u8); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:661:29 [INFO] [stdout] | [INFO] [stdout] 661 | ... self.register(v, self.memory[self.i as usize]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 661 | let _ = self.register(v, self.memory[self.i as usize]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s [INFO] running `Command { std: "docker" "inspect" "a1fe8cf5942aeb8e4df979fd9842460ddcc90efb4dfa14c1ea607965c2081fa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1fe8cf5942aeb8e4df979fd9842460ddcc90efb4dfa14c1ea607965c2081fa8", kill_on_drop: false }` [INFO] [stdout] a1fe8cf5942aeb8e4df979fd9842460ddcc90efb4dfa14c1ea607965c2081fa8