[INFO] cloning repository https://github.com/TheHackerCoding/chip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheHackerCoding/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheHackerCoding%2Fchip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheHackerCoding%2Fchip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d7fcbfe05adc98c15a160729dd385d32c8508ad0 [INFO] testing TheHackerCoding/chip8 against 1.84.0 for beta-1.85-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheHackerCoding%2Fchip8" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheHackerCoding/chip8 on toolchain 1.84.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TheHackerCoding/chip8 [INFO] finished tweaking git repo https://github.com/TheHackerCoding/chip8 [INFO] tweaked toml for git repo https://github.com/TheHackerCoding/chip8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/TheHackerCoding/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" "+1.84.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded raylib v3.7.0 [INFO] [stderr] Downloaded raylib-sys v3.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f79a3e31356e7368de07023a6bf0e6c4394067d4748e3a214ebd1f0f00ea0457 [INFO] running `Command { std: "docker" "start" "-a" "f79a3e31356e7368de07023a6bf0e6c4394067d4748e3a214ebd1f0f00ea0457", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f79a3e31356e7368de07023a6bf0e6c4394067d4748e3a214ebd1f0f00ea0457", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f79a3e31356e7368de07023a6bf0e6c4394067d4748e3a214ebd1f0f00ea0457", kill_on_drop: false }` [INFO] [stdout] f79a3e31356e7368de07023a6bf0e6c4394067d4748e3a214ebd1f0f00ea0457 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad987b540122566a5f2c07907636889b60ec11d3d3ee2d9121dece750361f9bb [INFO] running `Command { std: "docker" "start" "-a" "ad987b540122566a5f2c07907636889b60ec11d3d3ee2d9121dece750361f9bb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling cmake v0.1.48 [INFO] [stderr] Compiling raylib-sys v3.7.0 [INFO] [stderr] Compiling getrandom v0.2.5 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling raylib v3.7.0 [INFO] [stderr] Compiling chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `error::Error` [INFO] [stdout] --> src/chip8.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{error::Error, fs, process::exit}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/chip8.rs:192:24 [INFO] [stdout] | [INFO] [stdout] 192 | if (V[((opcode & 0x00F0) >> 4) as usize] [INFO] [stdout] | ^ [INFO] [stdout] 193 | > (0xFF - V[((opcode & 0x0F00) >> 8) as usize])) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 192 ~ if V[((opcode & 0x00F0) >> 4) as usize] [INFO] [stdout] 193 ~ > (0xFF - V[((opcode & 0x0F00) >> 8) as usize]) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/chip8.rs:426:20 [INFO] [stdout] | [INFO] [stdout] 426 | if (self.gfx[(y * 64) + x] == 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 426 - if (self.gfx[(y * 64) + x] == 0) { [INFO] [stdout] 426 + if self.gfx[(y * 64) + x] == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:251:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 251 | 0xA000 => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:257:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 257 | 0xB000 => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:262:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 262 | 0xC000 => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:268:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 268 | 0xD000 => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:300:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 300 | 0xE000 => match opcode & 0x00FF { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:322:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 322 | 0xF000 => match opcode & 0x00FF { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:408:13 [INFO] [stdout] | [INFO] [stdout] 408 | _ => println!("Unknown opcode: 0x{}", opcode), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/chip8.rs:408:13 [INFO] [stdout] | [INFO] [stdout] 99 | 0x0000 => match opcode & 0x000F { [INFO] [stdout] | ------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 117 | 0x1000 => pc = opcode & 0x0FFF, [INFO] [stdout] | ------ matches some of the same values [INFO] [stdout] 118 | [INFO] [stdout] 119 | 0x2000 => { [INFO] [stdout] | ------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 126 | 0x3000 => { [INFO] [stdout] | ------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 408 | _ => println!("Unknown opcode: 0x{}", opcode), [INFO] [stdout] | ^ ...and 6 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `opcode` is never read [INFO] [stdout] --> src/chip8.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let mut opcode = self.opcode; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `drawFlag` is assigned to, but never used [INFO] [stdout] --> src/chip8.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | let mut drawFlag = self.drawFlag; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_drawFlag` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `gfx` is never read [INFO] [stdout] --> src/chip8.rs:102:21 [INFO] [stdout] | [INFO] [stdout] 102 | gfx = &mut smallvec![0; 2048]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `drawFlag` is never read [INFO] [stdout] --> src/chip8.rs:103:21 [INFO] [stdout] | [INFO] [stdout] 103 | drawFlag = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:104:21 [INFO] [stdout] | [INFO] [stdout] 104 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:111:21 [INFO] [stdout] | [INFO] [stdout] 111 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:117:23 [INFO] [stdout] | [INFO] [stdout] 117 | 0x1000 => pc = opcode & 0x0FFF, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sp` is never read [INFO] [stdout] --> src/chip8.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | sp += 1; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | pc = opcode & 0x0FFF; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:129:21 [INFO] [stdout] | [INFO] [stdout] 129 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:131:21 [INFO] [stdout] | [INFO] [stdout] 131 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:138:21 [INFO] [stdout] | [INFO] [stdout] 138 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:140:21 [INFO] [stdout] | [INFO] [stdout] 140 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:147:21 [INFO] [stdout] | [INFO] [stdout] 147 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:149:21 [INFO] [stdout] | [INFO] [stdout] 149 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:162:17 [INFO] [stdout] | [INFO] [stdout] 162 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:169:21 [INFO] [stdout] | [INFO] [stdout] 169 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:175:21 [INFO] [stdout] | [INFO] [stdout] 175 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:181:21 [INFO] [stdout] | [INFO] [stdout] 181 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:187:21 [INFO] [stdout] | [INFO] [stdout] 187 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:200:21 [INFO] [stdout] | [INFO] [stdout] 200 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:216:21 [INFO] [stdout] | [INFO] [stdout] 216 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:229:21 [INFO] [stdout] | [INFO] [stdout] 229 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:236:21 [INFO] [stdout] | [INFO] [stdout] 236 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `Ox9000` [INFO] [stdout] --> src/chip8.rs:242:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_Ox9000` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:245:21 [INFO] [stdout] | [INFO] [stdout] 245 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:247:21 [INFO] [stdout] | [INFO] [stdout] 247 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `I` is never read [INFO] [stdout] --> src/chip8.rs:253:17 [INFO] [stdout] | [INFO] [stdout] 253 | I = (opcode & 0x0FFF) as u8; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:254:17 [INFO] [stdout] | [INFO] [stdout] 254 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:259:17 [INFO] [stdout] | [INFO] [stdout] 259 | pc = (opcode & 0x0FFF) + V[0] as u16; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:265:17 [INFO] [stdout] | [INFO] [stdout] 265 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `drawFlag` is never read [INFO] [stdout] --> src/chip8.rs:296:17 [INFO] [stdout] | [INFO] [stdout] 296 | drawFlag = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:297:17 [INFO] [stdout] | [INFO] [stdout] 297 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:304:25 [INFO] [stdout] | [INFO] [stdout] 304 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:306:25 [INFO] [stdout] | [INFO] [stdout] 306 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:313:25 [INFO] [stdout] | [INFO] [stdout] 313 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:315:25 [INFO] [stdout] | [INFO] [stdout] 315 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:326:21 [INFO] [stdout] | [INFO] [stdout] 326 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:341:21 [INFO] [stdout] | [INFO] [stdout] 341 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:347:21 [INFO] [stdout] | [INFO] [stdout] 347 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:353:21 [INFO] [stdout] | [INFO] [stdout] 353 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `I` is never read [INFO] [stdout] --> src/chip8.rs:364:21 [INFO] [stdout] | [INFO] [stdout] 364 | I += V[((opcode & 0x0F00) >> 8) as usize]; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:365:21 [INFO] [stdout] | [INFO] [stdout] 365 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `I` is never read [INFO] [stdout] --> src/chip8.rs:370:21 [INFO] [stdout] | [INFO] [stdout] 370 | I = V[((opcode & 0x0F00) >> 8) as usize] * 0x5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:371:21 [INFO] [stdout] | [INFO] [stdout] 371 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:379:21 [INFO] [stdout] | [INFO] [stdout] 379 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `I` is never read [INFO] [stdout] --> src/chip8.rs:390:21 [INFO] [stdout] | [INFO] [stdout] 390 | I += ((opcode & 0x0F00) >> 8) as u8 + 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:391:21 [INFO] [stdout] | [INFO] [stdout] 391 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `I` is never read [INFO] [stdout] --> src/chip8.rs:402:21 [INFO] [stdout] | [INFO] [stdout] 402 | I += ((opcode & 0x0F00) >> 8) as u8 + 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:403:21 [INFO] [stdout] | [INFO] [stdout] 403 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `delay_timer` is never read [INFO] [stdout] --> src/chip8.rs:412:13 [INFO] [stdout] | [INFO] [stdout] 412 | delay_timer -= 1; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sound_timer` is never read [INFO] [stdout] --> src/chip8.rs:419:13 [INFO] [stdout] | [INFO] [stdout] 419 | sound_timer -= 1; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | let mut memory = &mut self.memory; [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/chip8.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | let mut stack = &mut self.stack; [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/chip8.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut V = &mut self.V; [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/chip8.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | let mut key = &self.key; [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/chip8.rs:275:21 [INFO] [stdout] | [INFO] [stdout] 275 | let mut x = V[((opcode & 0x0F00) >> 8) as usize]; [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/chip8.rs:276:21 [INFO] [stdout] | [INFO] [stdout] 276 | let mut y = V[((opcode & 0x00F0) >> 4) as usize]; [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/chip8.rs:277:21 [INFO] [stdout] | [INFO] [stdout] 277 | let mut height = opcode & 0x000F; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `debug_render` is never used [INFO] [stdout] --> src/chip8.rs:423:12 [INFO] [stdout] | [INFO] [stdout] 46 | impl Chip8 { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 423 | pub fn debug_render(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `V` should have a snake case name [INFO] [stdout] --> src/chip8.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | V: SmallVec<[u8; 16]>, [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `I` should have a snake case name [INFO] [stdout] --> src/chip8.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | I: u8, [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `drawFlag` should have a snake case name [INFO] [stdout] --> src/chip8.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | pub drawFlag: bool, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `draw_flag` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `drawFlag` should have a snake case name [INFO] [stdout] --> src/chip8.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | let mut drawFlag = self.drawFlag; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `draw_flag` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/chip8.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | let mut V = &mut self.V; [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `I` should have a snake case name [INFO] [stdout] --> src/chip8.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | let mut I = self.I; [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Ox9000` should have a snake case name [INFO] [stdout] --> src/chip8.rs:242:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `ox9000` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `keyPress` should have a snake case name [INFO] [stdout] --> src/chip8.rs:331:29 [INFO] [stdout] | [INFO] [stdout] 331 | let mut keyPress: bool = false; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `key_press` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.42s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "ad987b540122566a5f2c07907636889b60ec11d3d3ee2d9121dece750361f9bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad987b540122566a5f2c07907636889b60ec11d3d3ee2d9121dece750361f9bb", kill_on_drop: false }` [INFO] [stdout] ad987b540122566a5f2c07907636889b60ec11d3d3ee2d9121dece750361f9bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4289585d34f7158bea5413c400bac82a80f051e36ec9f6756b46115f5dcdd28f [INFO] running `Command { std: "docker" "start" "-a" "4289585d34f7158bea5413c400bac82a80f051e36ec9f6756b46115f5dcdd28f", kill_on_drop: false }` [INFO] [stderr] Compiling chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `error::Error` [INFO] [stdout] --> src/chip8.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{error::Error, fs, process::exit}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/chip8.rs:192:24 [INFO] [stdout] | [INFO] [stdout] 192 | if (V[((opcode & 0x00F0) >> 4) as usize] [INFO] [stdout] | ^ [INFO] [stdout] 193 | > (0xFF - V[((opcode & 0x0F00) >> 8) as usize])) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 192 ~ if V[((opcode & 0x00F0) >> 4) as usize] [INFO] [stdout] 193 ~ > (0xFF - V[((opcode & 0x0F00) >> 8) as usize]) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/chip8.rs:426:20 [INFO] [stdout] | [INFO] [stdout] 426 | if (self.gfx[(y * 64) + x] == 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 426 - if (self.gfx[(y * 64) + x] == 0) { [INFO] [stdout] 426 + if self.gfx[(y * 64) + x] == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:251:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 251 | 0xA000 => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:257:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 257 | 0xB000 => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:262:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 262 | 0xC000 => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:268:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 268 | 0xD000 => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:300:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 300 | 0xE000 => match opcode & 0x00FF { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:322:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ------ matches any value [INFO] [stdout] ... [INFO] [stdout] 322 | 0xF000 => match opcode & 0x00FF { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/chip8.rs:408:13 [INFO] [stdout] | [INFO] [stdout] 408 | _ => println!("Unknown opcode: 0x{}", opcode), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/chip8.rs:408:13 [INFO] [stdout] | [INFO] [stdout] 99 | 0x0000 => match opcode & 0x000F { [INFO] [stdout] | ------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 117 | 0x1000 => pc = opcode & 0x0FFF, [INFO] [stdout] | ------ matches some of the same values [INFO] [stdout] 118 | [INFO] [stdout] 119 | 0x2000 => { [INFO] [stdout] | ------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 126 | 0x3000 => { [INFO] [stdout] | ------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 408 | _ => println!("Unknown opcode: 0x{}", opcode), [INFO] [stdout] | ^ ...and 6 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `opcode` is never read [INFO] [stdout] --> src/chip8.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let mut opcode = self.opcode; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `drawFlag` is assigned to, but never used [INFO] [stdout] --> src/chip8.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | let mut drawFlag = self.drawFlag; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_drawFlag` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `gfx` is never read [INFO] [stdout] --> src/chip8.rs:102:21 [INFO] [stdout] | [INFO] [stdout] 102 | gfx = &mut smallvec![0; 2048]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `drawFlag` is never read [INFO] [stdout] --> src/chip8.rs:103:21 [INFO] [stdout] | [INFO] [stdout] 103 | drawFlag = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:104:21 [INFO] [stdout] | [INFO] [stdout] 104 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:111:21 [INFO] [stdout] | [INFO] [stdout] 111 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:117:23 [INFO] [stdout] | [INFO] [stdout] 117 | 0x1000 => pc = opcode & 0x0FFF, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sp` is never read [INFO] [stdout] --> src/chip8.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | sp += 1; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | pc = opcode & 0x0FFF; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:129:21 [INFO] [stdout] | [INFO] [stdout] 129 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:131:21 [INFO] [stdout] | [INFO] [stdout] 131 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:138:21 [INFO] [stdout] | [INFO] [stdout] 138 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:140:21 [INFO] [stdout] | [INFO] [stdout] 140 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:147:21 [INFO] [stdout] | [INFO] [stdout] 147 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:149:21 [INFO] [stdout] | [INFO] [stdout] 149 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:162:17 [INFO] [stdout] | [INFO] [stdout] 162 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:169:21 [INFO] [stdout] | [INFO] [stdout] 169 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:175:21 [INFO] [stdout] | [INFO] [stdout] 175 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:181:21 [INFO] [stdout] | [INFO] [stdout] 181 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:187:21 [INFO] [stdout] | [INFO] [stdout] 187 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:200:21 [INFO] [stdout] | [INFO] [stdout] 200 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:216:21 [INFO] [stdout] | [INFO] [stdout] 216 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:229:21 [INFO] [stdout] | [INFO] [stdout] 229 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:236:21 [INFO] [stdout] | [INFO] [stdout] 236 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `Ox9000` [INFO] [stdout] --> src/chip8.rs:242:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_Ox9000` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:245:21 [INFO] [stdout] | [INFO] [stdout] 245 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:247:21 [INFO] [stdout] | [INFO] [stdout] 247 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `I` is never read [INFO] [stdout] --> src/chip8.rs:253:17 [INFO] [stdout] | [INFO] [stdout] 253 | I = (opcode & 0x0FFF) as u8; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:254:17 [INFO] [stdout] | [INFO] [stdout] 254 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:259:17 [INFO] [stdout] | [INFO] [stdout] 259 | pc = (opcode & 0x0FFF) + V[0] as u16; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:265:17 [INFO] [stdout] | [INFO] [stdout] 265 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `drawFlag` is never read [INFO] [stdout] --> src/chip8.rs:296:17 [INFO] [stdout] | [INFO] [stdout] 296 | drawFlag = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:297:17 [INFO] [stdout] | [INFO] [stdout] 297 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:304:25 [INFO] [stdout] | [INFO] [stdout] 304 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:306:25 [INFO] [stdout] | [INFO] [stdout] 306 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:313:25 [INFO] [stdout] | [INFO] [stdout] 313 | pc += 4; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:315:25 [INFO] [stdout] | [INFO] [stdout] 315 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:326:21 [INFO] [stdout] | [INFO] [stdout] 326 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:341:21 [INFO] [stdout] | [INFO] [stdout] 341 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:347:21 [INFO] [stdout] | [INFO] [stdout] 347 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:353:21 [INFO] [stdout] | [INFO] [stdout] 353 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `I` is never read [INFO] [stdout] --> src/chip8.rs:364:21 [INFO] [stdout] | [INFO] [stdout] 364 | I += V[((opcode & 0x0F00) >> 8) as usize]; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:365:21 [INFO] [stdout] | [INFO] [stdout] 365 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `I` is never read [INFO] [stdout] --> src/chip8.rs:370:21 [INFO] [stdout] | [INFO] [stdout] 370 | I = V[((opcode & 0x0F00) >> 8) as usize] * 0x5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:371:21 [INFO] [stdout] | [INFO] [stdout] 371 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:379:21 [INFO] [stdout] | [INFO] [stdout] 379 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `I` is never read [INFO] [stdout] --> src/chip8.rs:390:21 [INFO] [stdout] | [INFO] [stdout] 390 | I += ((opcode & 0x0F00) >> 8) as u8 + 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:391:21 [INFO] [stdout] | [INFO] [stdout] 391 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `I` is never read [INFO] [stdout] --> src/chip8.rs:402:21 [INFO] [stdout] | [INFO] [stdout] 402 | I += ((opcode & 0x0F00) >> 8) as u8 + 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pc` is never read [INFO] [stdout] --> src/chip8.rs:403:21 [INFO] [stdout] | [INFO] [stdout] 403 | pc += 2; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `delay_timer` is never read [INFO] [stdout] --> src/chip8.rs:412:13 [INFO] [stdout] | [INFO] [stdout] 412 | delay_timer -= 1; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sound_timer` is never read [INFO] [stdout] --> src/chip8.rs:419:13 [INFO] [stdout] | [INFO] [stdout] 419 | sound_timer -= 1; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | let mut memory = &mut self.memory; [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/chip8.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | let mut stack = &mut self.stack; [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/chip8.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut V = &mut self.V; [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/chip8.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | let mut key = &self.key; [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/chip8.rs:275:21 [INFO] [stdout] | [INFO] [stdout] 275 | let mut x = V[((opcode & 0x0F00) >> 8) as usize]; [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/chip8.rs:276:21 [INFO] [stdout] | [INFO] [stdout] 276 | let mut y = V[((opcode & 0x00F0) >> 4) as usize]; [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/chip8.rs:277:21 [INFO] [stdout] | [INFO] [stdout] 277 | let mut height = opcode & 0x000F; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `debug_render` is never used [INFO] [stdout] --> src/chip8.rs:423:12 [INFO] [stdout] | [INFO] [stdout] 46 | impl Chip8 { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 423 | pub fn debug_render(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `V` should have a snake case name [INFO] [stdout] --> src/chip8.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | V: SmallVec<[u8; 16]>, [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `I` should have a snake case name [INFO] [stdout] --> src/chip8.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | I: u8, [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `drawFlag` should have a snake case name [INFO] [stdout] --> src/chip8.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | pub drawFlag: bool, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `draw_flag` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `drawFlag` should have a snake case name [INFO] [stdout] --> src/chip8.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | let mut drawFlag = self.drawFlag; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `draw_flag` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/chip8.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | let mut V = &mut self.V; [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `I` should have a snake case name [INFO] [stdout] --> src/chip8.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | let mut I = self.I; [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Ox9000` should have a snake case name [INFO] [stdout] --> src/chip8.rs:242:13 [INFO] [stdout] | [INFO] [stdout] 242 | Ox9000 => { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `ox9000` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `keyPress` should have a snake case name [INFO] [stdout] --> src/chip8.rs:331:29 [INFO] [stdout] | [INFO] [stdout] 331 | let mut keyPress: bool = false; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `key_press` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "4289585d34f7158bea5413c400bac82a80f051e36ec9f6756b46115f5dcdd28f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4289585d34f7158bea5413c400bac82a80f051e36ec9f6756b46115f5dcdd28f", kill_on_drop: false }` [INFO] [stdout] 4289585d34f7158bea5413c400bac82a80f051e36ec9f6756b46115f5dcdd28f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] edd47f334ce9a39d57d4cdced7b1c9fcff7c11920320088d137ba117b66ce7ed [INFO] running `Command { std: "docker" "start" "-a" "edd47f334ce9a39d57d4cdced7b1c9fcff7c11920320088d137ba117b66ce7ed", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `error::Error` [INFO] [stderr] --> src/chip8.rs:3:11 [INFO] [stderr] | [INFO] [stderr] 3 | use std::{error::Error, fs, process::exit}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/chip8.rs:192:24 [INFO] [stderr] | [INFO] [stderr] 192 | if (V[((opcode & 0x00F0) >> 4) as usize] [INFO] [stderr] | ^ [INFO] [stderr] 193 | > (0xFF - V[((opcode & 0x0F00) >> 8) as usize])) [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 192 ~ if V[((opcode & 0x00F0) >> 4) as usize] [INFO] [stderr] 193 ~ > (0xFF - V[((opcode & 0x0F00) >> 8) as usize]) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/chip8.rs:426:20 [INFO] [stderr] | [INFO] [stderr] 426 | if (self.gfx[(y * 64) + x] == 0) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 426 - if (self.gfx[(y * 64) + x] == 0) { [INFO] [stderr] 426 + if self.gfx[(y * 64) + x] == 0 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/chip8.rs:251:13 [INFO] [stderr] | [INFO] [stderr] 242 | Ox9000 => { [INFO] [stderr] | ------ matches any value [INFO] [stderr] ... [INFO] [stderr] 251 | 0xA000 => { [INFO] [stderr] | ^^^^^^ no value can reach this [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/chip8.rs:257:13 [INFO] [stderr] | [INFO] [stderr] 242 | Ox9000 => { [INFO] [stderr] | ------ matches any value [INFO] [stderr] ... [INFO] [stderr] 257 | 0xB000 => { [INFO] [stderr] | ^^^^^^ no value can reach this [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/chip8.rs:262:13 [INFO] [stderr] | [INFO] [stderr] 242 | Ox9000 => { [INFO] [stderr] | ------ matches any value [INFO] [stderr] ... [INFO] [stderr] 262 | 0xC000 => { [INFO] [stderr] | ^^^^^^ no value can reach this [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/chip8.rs:268:13 [INFO] [stderr] | [INFO] [stderr] 242 | Ox9000 => { [INFO] [stderr] | ------ matches any value [INFO] [stderr] ... [INFO] [stderr] 268 | 0xD000 => { [INFO] [stderr] | ^^^^^^ no value can reach this [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/chip8.rs:300:13 [INFO] [stderr] | [INFO] [stderr] 242 | Ox9000 => { [INFO] [stderr] | ------ matches any value [INFO] [stderr] ... [INFO] [stderr] 300 | 0xE000 => match opcode & 0x00FF { [INFO] [stderr] | ^^^^^^ no value can reach this [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/chip8.rs:322:13 [INFO] [stderr] | [INFO] [stderr] 242 | Ox9000 => { [INFO] [stderr] | ------ matches any value [INFO] [stderr] ... [INFO] [stderr] 322 | 0xF000 => match opcode & 0x00FF { [INFO] [stderr] | ^^^^^^ no value can reach this [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/chip8.rs:408:13 [INFO] [stderr] | [INFO] [stderr] 408 | _ => println!("Unknown opcode: 0x{}", opcode), [INFO] [stderr] | ^ no value can reach this [INFO] [stderr] | [INFO] [stderr] note: multiple earlier patterns match some of the same values [INFO] [stderr] --> src/chip8.rs:408:13 [INFO] [stderr] | [INFO] [stderr] 99 | 0x0000 => match opcode & 0x000F { [INFO] [stderr] | ------ matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 117 | 0x1000 => pc = opcode & 0x0FFF, [INFO] [stderr] | ------ matches some of the same values [INFO] [stderr] 118 | [INFO] [stderr] 119 | 0x2000 => { [INFO] [stderr] | ------ matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 126 | 0x3000 => { [INFO] [stderr] | ------ matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 408 | _ => println!("Unknown opcode: 0x{}", opcode), [INFO] [stderr] | ^ ...and 6 other patterns collectively make this unreachable [INFO] [stderr] [INFO] [stderr] warning: value assigned to `opcode` is never read [INFO] [stderr] --> src/chip8.rs:70:17 [INFO] [stderr] | [INFO] [stderr] 70 | let mut opcode = self.opcode; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `drawFlag` is assigned to, but never used [INFO] [stderr] --> src/chip8.rs:72:17 [INFO] [stderr] | [INFO] [stderr] 72 | let mut drawFlag = self.drawFlag; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_drawFlag` instead [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `gfx` is never read [INFO] [stderr] --> src/chip8.rs:102:21 [INFO] [stderr] | [INFO] [stderr] 102 | gfx = &mut smallvec![0; 2048]; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `drawFlag` is never read [INFO] [stderr] --> src/chip8.rs:103:21 [INFO] [stderr] | [INFO] [stderr] 103 | drawFlag = true; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:104:21 [INFO] [stderr] | [INFO] [stderr] 104 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:111:21 [INFO] [stderr] | [INFO] [stderr] 111 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:117:23 [INFO] [stderr] | [INFO] [stderr] 117 | 0x1000 => pc = opcode & 0x0FFF, [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `sp` is never read [INFO] [stderr] --> src/chip8.rs:122:17 [INFO] [stderr] | [INFO] [stderr] 122 | sp += 1; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:123:17 [INFO] [stderr] | [INFO] [stderr] 123 | pc = opcode & 0x0FFF; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:129:21 [INFO] [stderr] | [INFO] [stderr] 129 | pc += 4; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:131:21 [INFO] [stderr] | [INFO] [stderr] 131 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:138:21 [INFO] [stderr] | [INFO] [stderr] 138 | pc += 4; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:140:21 [INFO] [stderr] | [INFO] [stderr] 140 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:147:21 [INFO] [stderr] | [INFO] [stderr] 147 | pc += 4; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:149:21 [INFO] [stderr] | [INFO] [stderr] 149 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:156:17 [INFO] [stderr] | [INFO] [stderr] 156 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:162:17 [INFO] [stderr] | [INFO] [stderr] 162 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:169:21 [INFO] [stderr] | [INFO] [stderr] 169 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:175:21 [INFO] [stderr] | [INFO] [stderr] 175 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:181:21 [INFO] [stderr] | [INFO] [stderr] 181 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:187:21 [INFO] [stderr] | [INFO] [stderr] 187 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:200:21 [INFO] [stderr] | [INFO] [stderr] 200 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:216:21 [INFO] [stderr] | [INFO] [stderr] 216 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:229:21 [INFO] [stderr] | [INFO] [stderr] 229 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:236:21 [INFO] [stderr] | [INFO] [stderr] 236 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `Ox9000` [INFO] [stderr] --> src/chip8.rs:242:13 [INFO] [stderr] | [INFO] [stderr] 242 | Ox9000 => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_Ox9000` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:245:21 [INFO] [stderr] | [INFO] [stderr] 245 | pc += 4; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:247:21 [INFO] [stderr] | [INFO] [stderr] 247 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `I` is never read [INFO] [stderr] --> src/chip8.rs:253:17 [INFO] [stderr] | [INFO] [stderr] 253 | I = (opcode & 0x0FFF) as u8; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:254:17 [INFO] [stderr] | [INFO] [stderr] 254 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:259:17 [INFO] [stderr] | [INFO] [stderr] 259 | pc = (opcode & 0x0FFF) + V[0] as u16; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:265:17 [INFO] [stderr] | [INFO] [stderr] 265 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `drawFlag` is never read [INFO] [stderr] --> src/chip8.rs:296:17 [INFO] [stderr] | [INFO] [stderr] 296 | drawFlag = true; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:297:17 [INFO] [stderr] | [INFO] [stderr] 297 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:304:25 [INFO] [stderr] | [INFO] [stderr] 304 | pc += 4; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:306:25 [INFO] [stderr] | [INFO] [stderr] 306 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:313:25 [INFO] [stderr] | [INFO] [stderr] 313 | pc += 4; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:315:25 [INFO] [stderr] | [INFO] [stderr] 315 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:326:21 [INFO] [stderr] | [INFO] [stderr] 326 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:341:21 [INFO] [stderr] | [INFO] [stderr] 341 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:347:21 [INFO] [stderr] | [INFO] [stderr] 347 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:353:21 [INFO] [stderr] | [INFO] [stderr] 353 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `I` is never read [INFO] [stderr] --> src/chip8.rs:364:21 [INFO] [stderr] | [INFO] [stderr] 364 | I += V[((opcode & 0x0F00) >> 8) as usize]; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:365:21 [INFO] [stderr] | [INFO] [stderr] 365 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `I` is never read [INFO] [stderr] --> src/chip8.rs:370:21 [INFO] [stderr] | [INFO] [stderr] 370 | I = V[((opcode & 0x0F00) >> 8) as usize] * 0x5; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:371:21 [INFO] [stderr] | [INFO] [stderr] 371 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:379:21 [INFO] [stderr] | [INFO] [stderr] 379 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `I` is never read [INFO] [stderr] --> src/chip8.rs:390:21 [INFO] [stderr] | [INFO] [stderr] 390 | I += ((opcode & 0x0F00) >> 8) as u8 + 1; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:391:21 [INFO] [stderr] | [INFO] [stderr] 391 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `I` is never read [INFO] [stderr] --> src/chip8.rs:402:21 [INFO] [stderr] | [INFO] [stderr] 402 | I += ((opcode & 0x0F00) >> 8) as u8 + 1; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pc` is never read [INFO] [stderr] --> src/chip8.rs:403:21 [INFO] [stderr] | [INFO] [stderr] 403 | pc += 2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `delay_timer` is never read [INFO] [stderr] --> src/chip8.rs:412:13 [INFO] [stderr] | [INFO] [stderr] 412 | delay_timer -= 1; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `sound_timer` is never read [INFO] [stderr] --> src/chip8.rs:419:13 [INFO] [stderr] | [INFO] [stderr] 419 | sound_timer -= 1; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:68:13 [INFO] [stderr] | [INFO] [stderr] 68 | let mut memory = &mut self.memory; [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/chip8.rs:74:13 [INFO] [stderr] | [INFO] [stderr] 74 | let mut stack = &mut self.stack; [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/chip8.rs:77:13 [INFO] [stderr] | [INFO] [stderr] 77 | let mut V = &mut self.V; [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/chip8.rs:79:13 [INFO] [stderr] | [INFO] [stderr] 79 | let mut key = &self.key; [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/chip8.rs:275:21 [INFO] [stderr] | [INFO] [stderr] 275 | let mut x = V[((opcode & 0x0F00) >> 8) as usize]; [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/chip8.rs:276:21 [INFO] [stderr] | [INFO] [stderr] 276 | let mut y = V[((opcode & 0x00F0) >> 4) as usize]; [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/chip8.rs:277:21 [INFO] [stderr] | [INFO] [stderr] 277 | let mut height = opcode & 0x000F; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method `debug_render` is never used [INFO] [stderr] --> src/chip8.rs:423:12 [INFO] [stderr] | [INFO] [stderr] 46 | impl Chip8 { [INFO] [stderr] | ---------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 423 | pub fn debug_render(&self) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `V` should have a snake case name [INFO] [stderr] --> src/chip8.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | V: SmallVec<[u8; 16]>, [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `I` should have a snake case name [INFO] [stderr] --> src/chip8.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | I: u8, [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stderr] [INFO] [stderr] warning: structure field `drawFlag` should have a snake case name [INFO] [stderr] --> src/chip8.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | pub drawFlag: bool, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `draw_flag` [INFO] [stderr] [INFO] [stderr] warning: variable `drawFlag` should have a snake case name [INFO] [stderr] --> src/chip8.rs:72:17 [INFO] [stderr] | [INFO] [stderr] 72 | let mut drawFlag = self.drawFlag; [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `draw_flag` [INFO] [stderr] [INFO] [stderr] warning: variable `V` should have a snake case name [INFO] [stderr] --> src/chip8.rs:77:17 [INFO] [stderr] | [INFO] [stderr] 77 | let mut V = &mut self.V; [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stderr] [INFO] [stderr] warning: variable `I` should have a snake case name [INFO] [stderr] --> src/chip8.rs:78:17 [INFO] [stderr] | [INFO] [stderr] 78 | let mut I = self.I; [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stderr] [INFO] [stderr] warning: variable `Ox9000` should have a snake case name [INFO] [stderr] --> src/chip8.rs:242:13 [INFO] [stderr] | [INFO] [stderr] 242 | Ox9000 => { [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `ox9000` [INFO] [stderr] [INFO] [stderr] warning: variable `keyPress` should have a snake case name [INFO] [stderr] --> src/chip8.rs:331:29 [INFO] [stderr] | [INFO] [stderr] 331 | let mut keyPress: bool = false; [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `key_press` [INFO] [stderr] [INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 79 warnings (run `cargo fix --bin "chip8" --tests` to apply 10 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip8-c108753f81d314e2) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "edd47f334ce9a39d57d4cdced7b1c9fcff7c11920320088d137ba117b66ce7ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edd47f334ce9a39d57d4cdced7b1c9fcff7c11920320088d137ba117b66ce7ed", kill_on_drop: false }` [INFO] [stdout] edd47f334ce9a39d57d4cdced7b1c9fcff7c11920320088d137ba117b66ce7ed