Dec 19 19:01:44.727 INFO checking christopherjmedlin/yalc8emu against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:01:44.727 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/christopherjmedlin/yalc8emu:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:01:44.903 INFO [stdout] 589a7810fb9f76c30c1e41990692521c8f8089f4f199c024dfeeab5f5cb93c24
Dec 19 19:01:44.906 INFO running `"docker" "start" "-a" "589a7810fb9f76c30c1e41990692521c8f8089f4f199c024dfeeab5f5cb93c24"`
Dec 19 19:01:45.846 INFO [stderr]    Compiling sdl2-sys v0.31.0
Dec 19 19:01:48.237 INFO [stderr]     Checking sdl2 v0.31.0
Dec 19 19:01:51.076 INFO [stderr]     Checking chip8 v0.1.0 (/opt/crater/workdir)
Dec 19 19:01:51.580 INFO [stderr] warning: unused import: `Duration`
Dec 19 19:01:51.580 INFO [stderr]  --> src/cpu/timers.rs:1:26
Dec 19 19:01:51.580 INFO [stderr]   |
Dec 19 19:01:51.580 INFO [stderr] 1 | use std::time::{Instant, Duration};
Dec 19 19:01:51.580 INFO [stderr]   |                          ^^^^^^^^
Dec 19 19:01:51.580 INFO [stderr]   |
Dec 19 19:01:51.580 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:01:51.580 INFO [stderr] 
Dec 19 19:01:51.580 INFO [stderr] warning: unused import: `std::num::Wrapping`
Dec 19 19:01:51.580 INFO [stderr]  --> src/cpu/mod.rs:6:5
Dec 19 19:01:51.580 INFO [stderr]   |
Dec 19 19:01:51.580 INFO [stderr] 6 | use std::num::Wrapping;
Dec 19 19:01:51.580 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 19:01:51.581 INFO [stderr] 
Dec 19 19:01:51.581 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 19:01:51.581 INFO [stderr]    --> src/cpu/mod.rs:378:22
Dec 19 19:01:51.581 INFO [stderr]     |
Dec 19 19:01:51.581 INFO [stderr] 378 |         let end = if (x > 0xf) {0xf} else {x};
Dec 19 19:01:51.581 INFO [stderr]     |                      ^^^^^^^^^ help: remove these parentheses
Dec 19 19:01:51.581 INFO [stderr]     |
Dec 19 19:01:51.581 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 19:01:51.581 INFO [stderr] 
Dec 19 19:01:51.581 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 19:01:51.581 INFO [stderr]    --> src/cpu/mod.rs:389:22
Dec 19 19:01:51.581 INFO [stderr]     |
Dec 19 19:01:51.581 INFO [stderr] 389 |         let end = if (x > 0xf) {0xf} else {x};
Dec 19 19:01:51.581 INFO [stderr]     |                      ^^^^^^^^^ help: remove these parentheses
Dec 19 19:01:51.581 INFO [stderr] 
Dec 19 19:01:51.680 INFO [stderr] warning: unused import: `std::num::Wrapping`
Dec 19 19:01:51.680 INFO [stderr]  --> src/cpu/mod.rs:6:5
Dec 19 19:01:51.680 INFO [stderr]   |
Dec 19 19:01:51.681 INFO [stderr] 6 | use std::num::Wrapping;
Dec 19 19:01:51.681 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 19:01:51.681 INFO [stderr]   |
Dec 19 19:01:51.681 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:01:51.681 INFO [stderr] 
Dec 19 19:01:51.681 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 19:01:51.681 INFO [stderr]    --> src/cpu/mod.rs:378:22
Dec 19 19:01:51.681 INFO [stderr]     |
Dec 19 19:01:51.681 INFO [stderr] 378 |         let end = if (x > 0xf) {0xf} else {x};
Dec 19 19:01:51.681 INFO [stderr]     |                      ^^^^^^^^^ help: remove these parentheses
Dec 19 19:01:51.681 INFO [stderr]     |
Dec 19 19:01:51.681 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 19:01:51.681 INFO [stderr] 
Dec 19 19:01:51.681 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 19:01:51.681 INFO [stderr]    --> src/cpu/mod.rs:389:22
Dec 19 19:01:51.681 INFO [stderr]     |
Dec 19 19:01:51.681 INFO [stderr] 389 |         let end = if (x > 0xf) {0xf} else {x};
Dec 19 19:01:51.681 INFO [stderr]     |                      ^^^^^^^^^ help: remove these parentheses
Dec 19 19:01:51.681 INFO [stderr] 
Dec 19 19:01:51.778 INFO [stderr] warning: unused variable: `why`
Dec 19 19:01:51.778 INFO [stderr]  --> src/rom.rs:9:13
Dec 19 19:01:51.778 INFO [stderr]   |
Dec 19 19:01:51.778 INFO [stderr] 9 |         Err(why) => panic!("Couldn't open ROM"),
Dec 19 19:01:51.778 INFO [stderr]   |             ^^^ help: consider using `_why` instead
Dec 19 19:01:51.778 INFO [stderr]   |
Dec 19 19:01:51.778 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 19:01:51.778 INFO [stderr] 
Dec 19 19:01:51.778 INFO [stderr] warning: unused variable: `b`
Dec 19 19:01:51.778 INFO [stderr]   --> src/cpu/mod.rs:50:18
Dec 19 19:01:51.778 INFO [stderr]    |
Dec 19 19:01:51.778 INFO [stderr] 50 |         for (i, &b) in rom.iter().enumerate() {
Dec 19 19:01:51.778 INFO [stderr]    |                  ^ help: consider using `_b` instead
Dec 19 19:01:51.778 INFO [stderr] 
Dec 19 19:01:51.778 INFO [stderr] warning: unused variable: `result`
Dec 19 19:01:51.778 INFO [stderr]   --> src/display.rs:57:25
Dec 19 19:01:51.778 INFO [stderr]    |
Dec 19 19:01:51.778 INFO [stderr] 57 |                     let result = canvas.fill_rect(Rect::new(x_coord, y_coord, 10, 10));
Dec 19 19:01:51.778 INFO [stderr]    |                         ^^^^^^ help: consider using `_result` instead
Dec 19 19:01:51.778 INFO [stderr] 
Dec 19 19:01:51.778 INFO [stderr] warning: unused variable: `event_keycode`
Dec 19 19:01:51.778 INFO [stderr]   --> src/keypad.rs:24:13
Dec 19 19:01:51.778 INFO [stderr]    |
Dec 19 19:01:51.778 INFO [stderr] 24 |         let event_keycode: Keycode;
Dec 19 19:01:51.778 INFO [stderr]    |             ^^^^^^^^^^^^^ help: consider using `_event_keycode` instead
Dec 19 19:01:51.778 INFO [stderr] 
Dec 19 19:01:51.812 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:01:51.812 INFO [stderr]   --> src/cpu/timers.rs:16:13
Dec 19 19:01:51.812 INFO [stderr]    |
Dec 19 19:01:51.812 INFO [stderr] 16 |         let mut timers = TimerSubsystem {
Dec 19 19:01:51.812 INFO [stderr]    |             ----^^^^^^
Dec 19 19:01:51.812 INFO [stderr]    |             |
Dec 19 19:01:51.812 INFO [stderr]    |             help: remove this `mut`
Dec 19 19:01:51.812 INFO [stderr]    |
Dec 19 19:01:51.812 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 19:01:51.812 INFO [stderr] 
Dec 19 19:01:51.843 INFO [stderr] warning: method is never used: `get_pixel`
Dec 19 19:01:51.843 INFO [stderr]   --> src/display.rs:68:5
Dec 19 19:01:51.843 INFO [stderr]    |
Dec 19 19:01:51.843 INFO [stderr] 68 |     pub fn get_pixel(self, x: usize, y: usize) -> (bool) {
Dec 19 19:01:51.843 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:01:51.843 INFO [stderr]    |
Dec 19 19:01:51.843 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:01:51.843 INFO [stderr] 
Dec 19 19:01:51.843 INFO [stderr] warning: method `op_00E0` should have a snake case name such as `op_00_e0`
Dec 19 19:01:51.843 INFO [stderr]    --> src/cpu/mod.rs:127:5
Dec 19 19:01:51.843 INFO [stderr]     |
Dec 19 19:01:51.843 INFO [stderr] 127 | /     fn op_00E0(&mut self) -> (usize) {
Dec 19 19:01:51.844 INFO [stderr] 128 | |         self.display.clear();
Dec 19 19:01:51.844 INFO [stderr] 129 | |         2
Dec 19 19:01:51.844 INFO [stderr] 130 | |     }
Dec 19 19:01:51.844 INFO [stderr]     | |_____^
Dec 19 19:01:51.844 INFO [stderr]     |
Dec 19 19:01:51.844 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 19 19:01:51.844 INFO [stderr] 
Dec 19 19:01:51.844 INFO [stderr] warning: method `op_00EE` should have a snake case name such as `op_00_ee`
Dec 19 19:01:51.844 INFO [stderr]    --> src/cpu/mod.rs:133:5
Dec 19 19:01:51.844 INFO [stderr]     |
Dec 19 19:01:51.844 INFO [stderr] 133 | /     fn op_00EE(&mut self) -> (usize) {
Dec 19 19:01:51.844 INFO [stderr] 134 | |         self.pc = self.stack[self.sp];
Dec 19 19:01:51.844 INFO [stderr] 135 | |         self.sp -= 1;
Dec 19 19:01:51.844 INFO [stderr] 136 | |         0
Dec 19 19:01:51.844 INFO [stderr] 137 | |     }
Dec 19 19:01:51.844 INFO [stderr]     | |_____^
Dec 19 19:01:51.844 INFO [stderr] 
Dec 19 19:01:51.844 INFO [stderr] warning: method `op_8xyE` should have a snake case name such as `op_8xy_e`
Dec 19 19:01:51.844 INFO [stderr]    --> src/cpu/mod.rs:264:5
Dec 19 19:01:51.844 INFO [stderr]     |
Dec 19 19:01:51.844 INFO [stderr] 264 | /     fn op_8xyE(&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.844 INFO [stderr] 265 | |         self.v[0xF] = if self.v[x] & 1 == 1 {1} else {0};
Dec 19 19:01:51.844 INFO [stderr] 266 | |         self.v[x] <<= 1;
Dec 19 19:01:51.844 INFO [stderr] 267 | |         2
Dec 19 19:01:51.844 INFO [stderr] 268 | |     }
Dec 19 19:01:51.844 INFO [stderr]     | |_____^
Dec 19 19:01:51.844 INFO [stderr] 
Dec 19 19:01:51.844 INFO [stderr] warning: method `op_Annn` should have a snake case name such as `op_annn`
Dec 19 19:01:51.844 INFO [stderr]    --> src/cpu/mod.rs:279:5
Dec 19 19:01:51.844 INFO [stderr]     |
Dec 19 19:01:51.844 INFO [stderr] 279 | /     fn op_Annn(&mut self, nnn: usize) -> (usize) {
Dec 19 19:01:51.844 INFO [stderr] 280 | |         self.i = nnn;
Dec 19 19:01:51.844 INFO [stderr] 281 | |         2
Dec 19 19:01:51.844 INFO [stderr] 282 | |     }
Dec 19 19:01:51.844 INFO [stderr]     | |_____^
Dec 19 19:01:51.844 INFO [stderr] 
Dec 19 19:01:51.844 INFO [stderr] warning: method `op_Bnnn` should have a snake case name such as `op_bnnn`
Dec 19 19:01:51.844 INFO [stderr]    --> src/cpu/mod.rs:285:5
Dec 19 19:01:51.844 INFO [stderr]     |
Dec 19 19:01:51.844 INFO [stderr] 285 | /     fn op_Bnnn(&mut self, nnn: usize) -> (usize) {
Dec 19 19:01:51.844 INFO [stderr] 286 | |         self.pc = nnn + (self.v[0] as usize);
Dec 19 19:01:51.844 INFO [stderr] 287 | |         0
Dec 19 19:01:51.844 INFO [stderr] 288 | |     }
Dec 19 19:01:51.844 INFO [stderr]     | |_____^
Dec 19 19:01:51.844 INFO [stderr] 
Dec 19 19:01:51.844 INFO [stderr] warning: method `op_Cxkk` should have a snake case name such as `op_cxkk`
Dec 19 19:01:51.844 INFO [stderr]    --> src/cpu/mod.rs:291:5
Dec 19 19:01:51.844 INFO [stderr]     |
Dec 19 19:01:51.844 INFO [stderr] 291 | /     fn op_Cxkk(&mut self, x: usize, kk: u8) -> (usize) {
Dec 19 19:01:51.844 INFO [stderr] 292 | |         let rn: u8 = rand::random();
Dec 19 19:01:51.844 INFO [stderr] 293 | |         self.v[x] = rn & kk;
Dec 19 19:01:51.844 INFO [stderr] 294 | |         2
Dec 19 19:01:51.844 INFO [stderr] 295 | |     }
Dec 19 19:01:51.844 INFO [stderr]     | |_____^
Dec 19 19:01:51.844 INFO [stderr] 
Dec 19 19:01:51.844 INFO [stderr] warning: method `op_Dxyn` should have a snake case name such as `op_dxyn`
Dec 19 19:01:51.844 INFO [stderr]    --> src/cpu/mod.rs:298:5
Dec 19 19:01:51.844 INFO [stderr]     |
Dec 19 19:01:51.844 INFO [stderr] 298 | /     fn op_Dxyn(&mut self, x: usize, y: usize, n: usize) -> (usize) {
Dec 19 19:01:51.844 INFO [stderr] 299 | |         let mut sprite = [0; 15];
Dec 19 19:01:51.844 INFO [stderr] 300 | |         
Dec 19 19:01:51.844 INFO [stderr] 301 | |         for j in 0..n {
Dec 19 19:01:51.844 INFO [stderr] ...   |
Dec 19 19:01:51.844 INFO [stderr] 308 | |         2
Dec 19 19:01:51.844 INFO [stderr] 309 | |     }
Dec 19 19:01:51.844 INFO [stderr]     | |_____^
Dec 19 19:01:51.844 INFO [stderr] 
Dec 19 19:01:51.844 INFO [stderr] warning: method `op_Ex9E` should have a snake case name such as `op_ex9_e`
Dec 19 19:01:51.844 INFO [stderr]    --> src/cpu/mod.rs:312:5
Dec 19 19:01:51.844 INFO [stderr]     |
Dec 19 19:01:51.844 INFO [stderr] 312 | /     fn op_Ex9E (&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.844 INFO [stderr] 313 | |         if self.keypad.get_key(self.v[x] as usize) { return 4 }
Dec 19 19:01:51.844 INFO [stderr] 314 | |         2
Dec 19 19:01:51.844 INFO [stderr] 315 | |     }
Dec 19 19:01:51.844 INFO [stderr]     | |_____^
Dec 19 19:01:51.844 INFO [stderr] 
Dec 19 19:01:51.844 INFO [stderr] warning: method `op_ExA1` should have a snake case name such as `op_ex_a1`
Dec 19 19:01:51.844 INFO [stderr]    --> src/cpu/mod.rs:318:5
Dec 19 19:01:51.844 INFO [stderr]     |
Dec 19 19:01:51.844 INFO [stderr] 318 | /     fn op_ExA1(&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.844 INFO [stderr] 319 | |         if self.keypad.get_key(self.v[x] as usize) { return 2 }
Dec 19 19:01:51.844 INFO [stderr] 320 | |         4
Dec 19 19:01:51.844 INFO [stderr] 321 | |     }
Dec 19 19:01:51.844 INFO [stderr]     | |_____^
Dec 19 19:01:51.844 INFO [stderr] 
Dec 19 19:01:51.845 INFO [stderr] warning: method `op_Fx07` should have a snake case name such as `op_fx07`
Dec 19 19:01:51.845 INFO [stderr]    --> src/cpu/mod.rs:324:5
Dec 19 19:01:51.845 INFO [stderr]     |
Dec 19 19:01:51.845 INFO [stderr] 324 | /     fn op_Fx07(&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.845 INFO [stderr] 325 | |         self.v[x] = self.timer_subsystem.delay;
Dec 19 19:01:51.845 INFO [stderr] 326 | |         2
Dec 19 19:01:51.845 INFO [stderr] 327 | |     }
Dec 19 19:01:51.845 INFO [stderr]     | |_____^
Dec 19 19:01:51.845 INFO [stderr] 
Dec 19 19:01:51.845 INFO [stderr] warning: method `op_Fx0A` should have a snake case name such as `op_fx0_a`
Dec 19 19:01:51.845 INFO [stderr]    --> src/cpu/mod.rs:330:5
Dec 19 19:01:51.845 INFO [stderr]     |
Dec 19 19:01:51.845 INFO [stderr] 330 | /     fn op_Fx0A(&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.845 INFO [stderr] 331 | |         let keypress = self.keypad.wait_for_keypress();
Dec 19 19:01:51.845 INFO [stderr] 332 | |         if keypress == 0x10 {
Dec 19 19:01:51.845 INFO [stderr] 333 | |             // keep pc where it is and keep executing this same instruction
Dec 19 19:01:51.845 INFO [stderr] ...   |
Dec 19 19:01:51.845 INFO [stderr] 340 | |         2
Dec 19 19:01:51.845 INFO [stderr] 341 | |     }
Dec 19 19:01:51.845 INFO [stderr]     | |_____^
Dec 19 19:01:51.845 INFO [stderr] 
Dec 19 19:01:51.845 INFO [stderr] warning: method `op_Fx15` should have a snake case name such as `op_fx15`
Dec 19 19:01:51.845 INFO [stderr]    --> src/cpu/mod.rs:344:5
Dec 19 19:01:51.845 INFO [stderr]     |
Dec 19 19:01:51.845 INFO [stderr] 344 | /     fn op_Fx15(&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.845 INFO [stderr] 345 | |         self.timer_subsystem.delay = self.v[x];
Dec 19 19:01:51.845 INFO [stderr] 346 | |         2
Dec 19 19:01:51.845 INFO [stderr] 347 | |     }
Dec 19 19:01:51.845 INFO [stderr]     | |_____^
Dec 19 19:01:51.845 INFO [stderr] 
Dec 19 19:01:51.845 INFO [stderr] warning: method `op_Fx18` should have a snake case name such as `op_fx18`
Dec 19 19:01:51.845 INFO [stderr]    --> src/cpu/mod.rs:350:5
Dec 19 19:01:51.845 INFO [stderr]     |
Dec 19 19:01:51.845 INFO [stderr] 350 | /     fn op_Fx18(&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.845 INFO [stderr] 351 | |         self.timer_subsystem.sound = self.v[x];
Dec 19 19:01:51.845 INFO [stderr] 352 | |         2
Dec 19 19:01:51.845 INFO [stderr] 353 | |     }
Dec 19 19:01:51.845 INFO [stderr]     | |_____^
Dec 19 19:01:51.845 INFO [stderr] 
Dec 19 19:01:51.845 INFO [stderr] warning: method `op_Fx1E` should have a snake case name such as `op_fx1_e`
Dec 19 19:01:51.845 INFO [stderr]    --> src/cpu/mod.rs:356:5
Dec 19 19:01:51.845 INFO [stderr]     |
Dec 19 19:01:51.845 INFO [stderr] 356 | /     fn op_Fx1E(&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.845 INFO [stderr] 357 | |         self.i = self.v[x] as usize + self.i;
Dec 19 19:01:51.845 INFO [stderr] 358 | |         2
Dec 19 19:01:51.845 INFO [stderr] 359 | |     }
Dec 19 19:01:51.845 INFO [stderr]     | |_____^
Dec 19 19:01:51.845 INFO [stderr] 
Dec 19 19:01:51.845 INFO [stderr] warning: method `op_Fx29` should have a snake case name such as `op_fx29`
Dec 19 19:01:51.845 INFO [stderr]    --> src/cpu/mod.rs:362:5
Dec 19 19:01:51.845 INFO [stderr]     |
Dec 19 19:01:51.845 INFO [stderr] 362 | /     fn op_Fx29(&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.845 INFO [stderr] 363 | |         self.i = (self.v[x] * 5) as usize;
Dec 19 19:01:51.845 INFO [stderr] 364 | |         2
Dec 19 19:01:51.845 INFO [stderr] 365 | |     }
Dec 19 19:01:51.845 INFO [stderr]     | |_____^
Dec 19 19:01:51.845 INFO [stderr] 
Dec 19 19:01:51.845 INFO [stderr] warning: method `op_Fx33` should have a snake case name such as `op_fx33`
Dec 19 19:01:51.845 INFO [stderr]    --> src/cpu/mod.rs:368:5
Dec 19 19:01:51.845 INFO [stderr]     |
Dec 19 19:01:51.845 INFO [stderr] 368 | /     fn op_Fx33(&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.845 INFO [stderr] 369 | |         self.ram[self.i] = self.v[x] / 100;
Dec 19 19:01:51.845 INFO [stderr] 370 | |         self.ram[self.i + 1] = (self.v[x] % 100) / 10;
Dec 19 19:01:51.845 INFO [stderr] 371 | |         self.ram[self.i + 2] = self.v[x] % 10;
Dec 19 19:01:51.845 INFO [stderr] 372 | |         2
Dec 19 19:01:51.845 INFO [stderr] 373 | |     }
Dec 19 19:01:51.845 INFO [stderr]     | |_____^
Dec 19 19:01:51.845 INFO [stderr] 
Dec 19 19:01:51.845 INFO [stderr] warning: method `op_Fx55` should have a snake case name such as `op_fx55`
Dec 19 19:01:51.845 INFO [stderr]    --> src/cpu/mod.rs:376:5
Dec 19 19:01:51.845 INFO [stderr]     |
Dec 19 19:01:51.845 INFO [stderr] 376 | /     fn op_Fx55(&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.845 INFO [stderr] 377 | |         // prevent out of bounds
Dec 19 19:01:51.845 INFO [stderr] 378 | |         let end = if (x > 0xf) {0xf} else {x};
Dec 19 19:01:51.845 INFO [stderr] 379 | |
Dec 19 19:01:51.845 INFO [stderr] ...   |
Dec 19 19:01:51.845 INFO [stderr] 383 | |         2
Dec 19 19:01:51.845 INFO [stderr] 384 | |     }
Dec 19 19:01:51.845 INFO [stderr]     | |_____^
Dec 19 19:01:51.845 INFO [stderr] 
Dec 19 19:01:51.845 INFO [stderr] warning: method `op_Fx65` should have a snake case name such as `op_fx65`
Dec 19 19:01:51.845 INFO [stderr]    --> src/cpu/mod.rs:387:5
Dec 19 19:01:51.845 INFO [stderr]     |
Dec 19 19:01:51.845 INFO [stderr] 387 | /     fn op_Fx65(&mut self, x: usize) -> (usize) {
Dec 19 19:01:51.845 INFO [stderr] 388 | |         // prevent out of bounds
Dec 19 19:01:51.845 INFO [stderr] 389 | |         let end = if (x > 0xf) {0xf} else {x};
Dec 19 19:01:51.845 INFO [stderr] 390 | |
Dec 19 19:01:51.845 INFO [stderr] ...   |
Dec 19 19:01:51.845 INFO [stderr] 394 | |         2
Dec 19 19:01:51.846 INFO [stderr] 395 | |     }
Dec 19 19:01:51.846 INFO [stderr]     | |_____^
Dec 19 19:01:51.846 INFO [stderr] 
Dec 19 19:01:51.846 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:01:51.846 INFO [stderr]   --> src/rom.rs:13:5
Dec 19 19:01:51.846 INFO [stderr]    |
Dec 19 19:01:51.846 INFO [stderr] 13 |     file.read(buf);
Dec 19 19:01:51.846 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 19:01:51.846 INFO [stderr]    |
Dec 19 19:01:51.846 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 19:01:51.846 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:01:51.846 INFO [stderr] 
Dec 19 19:01:52.136 INFO [stderr] warning: unused variable: `why`
Dec 19 19:01:52.136 INFO [stderr]  --> src/rom.rs:9:13
Dec 19 19:01:52.136 INFO [stderr]   |
Dec 19 19:01:52.136 INFO [stderr] 9 |         Err(why) => panic!("Couldn't open ROM"),
Dec 19 19:01:52.136 INFO [stderr]   |             ^^^ help: consider using `_why` instead
Dec 19 19:01:52.136 INFO [stderr]   |
Dec 19 19:01:52.136 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 19:01:52.136 INFO [stderr] 
Dec 19 19:01:52.136 INFO [stderr] warning: unused variable: `pixels_cleared`
Dec 19 19:01:52.136 INFO [stderr]   --> src/display.rs:97:13
Dec 19 19:01:52.136 INFO [stderr]    |
Dec 19 19:01:52.136 INFO [stderr] 97 |         let pixels_cleared = display.draw(63, 31, 5, &sprite);
Dec 19 19:01:52.136 INFO [stderr]    |             ^^^^^^^^^^^^^^ help: consider using `_pixels_cleared` instead
Dec 19 19:01:52.136 INFO [stderr] 
Dec 19 19:01:52.136 INFO [stderr] warning: unused variable: `b`
Dec 19 19:01:52.136 INFO [stderr]   --> src/cpu/mod.rs:50:18
Dec 19 19:01:52.136 INFO [stderr]    |
Dec 19 19:01:52.136 INFO [stderr] 50 |         for (i, &b) in rom.iter().enumerate() {
Dec 19 19:01:52.136 INFO [stderr]    |                  ^ help: consider using `_b` instead
Dec 19 19:01:52.136 INFO [stderr] 
Dec 19 19:01:52.136 INFO [stderr] warning: unused variable: `result`
Dec 19 19:01:52.136 INFO [stderr]   --> src/display.rs:57:25
Dec 19 19:01:52.136 INFO [stderr]    |
Dec 19 19:01:52.136 INFO [stderr] 57 |                     let result = canvas.fill_rect(Rect::new(x_coord, y_coord, 10, 10));
Dec 19 19:01:52.136 INFO [stderr]    |                         ^^^^^^ help: consider using `_result` instead
Dec 19 19:01:52.136 INFO [stderr] 
Dec 19 19:01:52.136 INFO [stderr] warning: unused variable: `event_keycode`
Dec 19 19:01:52.136 INFO [stderr]   --> src/keypad.rs:24:13
Dec 19 19:01:52.136 INFO [stderr]    |
Dec 19 19:01:52.136 INFO [stderr] 24 |         let event_keycode: Keycode;
Dec 19 19:01:52.136 INFO [stderr]    |             ^^^^^^^^^^^^^ help: consider using `_event_keycode` instead
Dec 19 19:01:52.136 INFO [stderr] 
Dec 19 19:01:52.156 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:01:52.156 INFO [stderr]   --> src/cpu/timers.rs:16:13
Dec 19 19:01:52.156 INFO [stderr]    |
Dec 19 19:01:52.156 INFO [stderr] 16 |         let mut timers = TimerSubsystem {
Dec 19 19:01:52.156 INFO [stderr]    |             ----^^^^^^
Dec 19 19:01:52.156 INFO [stderr]    |             |
Dec 19 19:01:52.156 INFO [stderr]    |             help: remove this `mut`
Dec 19 19:01:52.156 INFO [stderr]    |
Dec 19 19:01:52.156 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 19:01:52.156 INFO [stderr] 
Dec 19 19:01:52.288 INFO [stderr] warning: method `op_00E0` should have a snake case name such as `op_00_e0`
Dec 19 19:01:52.288 INFO [stderr]    --> src/cpu/mod.rs:127:5
Dec 19 19:01:52.288 INFO [stderr]     |
Dec 19 19:01:52.288 INFO [stderr] 127 | /     fn op_00E0(&mut self) -> (usize) {
Dec 19 19:01:52.288 INFO [stderr] 128 | |         self.display.clear();
Dec 19 19:01:52.288 INFO [stderr] 129 | |         2
Dec 19 19:01:52.288 INFO [stderr] 130 | |     }
Dec 19 19:01:52.288 INFO [stderr]     | |_____^
Dec 19 19:01:52.288 INFO [stderr]     |
Dec 19 19:01:52.288 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 19 19:01:52.288 INFO [stderr] 
Dec 19 19:01:52.288 INFO [stderr] warning: method `op_00EE` should have a snake case name such as `op_00_ee`
Dec 19 19:01:52.288 INFO [stderr]    --> src/cpu/mod.rs:133:5
Dec 19 19:01:52.288 INFO [stderr]     |
Dec 19 19:01:52.288 INFO [stderr] 133 | /     fn op_00EE(&mut self) -> (usize) {
Dec 19 19:01:52.288 INFO [stderr] 134 | |         self.pc = self.stack[self.sp];
Dec 19 19:01:52.288 INFO [stderr] 135 | |         self.sp -= 1;
Dec 19 19:01:52.288 INFO [stderr] 136 | |         0
Dec 19 19:01:52.288 INFO [stderr] 137 | |     }
Dec 19 19:01:52.288 INFO [stderr]     | |_____^
Dec 19 19:01:52.288 INFO [stderr] 
Dec 19 19:01:52.288 INFO [stderr] warning: method `op_8xyE` should have a snake case name such as `op_8xy_e`
Dec 19 19:01:52.288 INFO [stderr]    --> src/cpu/mod.rs:264:5
Dec 19 19:01:52.288 INFO [stderr]     |
Dec 19 19:01:52.288 INFO [stderr] 264 | /     fn op_8xyE(&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.288 INFO [stderr] 265 | |         self.v[0xF] = if self.v[x] & 1 == 1 {1} else {0};
Dec 19 19:01:52.288 INFO [stderr] 266 | |         self.v[x] <<= 1;
Dec 19 19:01:52.288 INFO [stderr] 267 | |         2
Dec 19 19:01:52.288 INFO [stderr] 268 | |     }
Dec 19 19:01:52.288 INFO [stderr]     | |_____^
Dec 19 19:01:52.288 INFO [stderr] 
Dec 19 19:01:52.288 INFO [stderr] warning: method `op_Annn` should have a snake case name such as `op_annn`
Dec 19 19:01:52.288 INFO [stderr]    --> src/cpu/mod.rs:279:5
Dec 19 19:01:52.288 INFO [stderr]     |
Dec 19 19:01:52.288 INFO [stderr] 279 | /     fn op_Annn(&mut self, nnn: usize) -> (usize) {
Dec 19 19:01:52.288 INFO [stderr] 280 | |         self.i = nnn;
Dec 19 19:01:52.288 INFO [stderr] 281 | |         2
Dec 19 19:01:52.288 INFO [stderr] 282 | |     }
Dec 19 19:01:52.288 INFO [stderr]     | |_____^
Dec 19 19:01:52.288 INFO [stderr] 
Dec 19 19:01:52.288 INFO [stderr] warning: method `op_Bnnn` should have a snake case name such as `op_bnnn`
Dec 19 19:01:52.288 INFO [stderr]    --> src/cpu/mod.rs:285:5
Dec 19 19:01:52.288 INFO [stderr]     |
Dec 19 19:01:52.288 INFO [stderr] 285 | /     fn op_Bnnn(&mut self, nnn: usize) -> (usize) {
Dec 19 19:01:52.288 INFO [stderr] 286 | |         self.pc = nnn + (self.v[0] as usize);
Dec 19 19:01:52.288 INFO [stderr] 287 | |         0
Dec 19 19:01:52.288 INFO [stderr] 288 | |     }
Dec 19 19:01:52.288 INFO [stderr]     | |_____^
Dec 19 19:01:52.288 INFO [stderr] 
Dec 19 19:01:52.288 INFO [stderr] warning: method `op_Cxkk` should have a snake case name such as `op_cxkk`
Dec 19 19:01:52.288 INFO [stderr]    --> src/cpu/mod.rs:291:5
Dec 19 19:01:52.288 INFO [stderr]     |
Dec 19 19:01:52.288 INFO [stderr] 291 | /     fn op_Cxkk(&mut self, x: usize, kk: u8) -> (usize) {
Dec 19 19:01:52.288 INFO [stderr] 292 | |         let rn: u8 = rand::random();
Dec 19 19:01:52.288 INFO [stderr] 293 | |         self.v[x] = rn & kk;
Dec 19 19:01:52.288 INFO [stderr] 294 | |         2
Dec 19 19:01:52.288 INFO [stderr] 295 | |     }
Dec 19 19:01:52.288 INFO [stderr]     | |_____^
Dec 19 19:01:52.288 INFO [stderr] 
Dec 19 19:01:52.288 INFO [stderr] warning: method `op_Dxyn` should have a snake case name such as `op_dxyn`
Dec 19 19:01:52.288 INFO [stderr]    --> src/cpu/mod.rs:298:5
Dec 19 19:01:52.288 INFO [stderr]     |
Dec 19 19:01:52.288 INFO [stderr] 298 | /     fn op_Dxyn(&mut self, x: usize, y: usize, n: usize) -> (usize) {
Dec 19 19:01:52.288 INFO [stderr] 299 | |         let mut sprite = [0; 15];
Dec 19 19:01:52.288 INFO [stderr] 300 | |         
Dec 19 19:01:52.288 INFO [stderr] 301 | |         for j in 0..n {
Dec 19 19:01:52.288 INFO [stderr] ...   |
Dec 19 19:01:52.288 INFO [stderr] 308 | |         2
Dec 19 19:01:52.288 INFO [stderr] 309 | |     }
Dec 19 19:01:52.288 INFO [stderr]     | |_____^
Dec 19 19:01:52.288 INFO [stderr] 
Dec 19 19:01:52.288 INFO [stderr] warning: method `op_Ex9E` should have a snake case name such as `op_ex9_e`
Dec 19 19:01:52.288 INFO [stderr]    --> src/cpu/mod.rs:312:5
Dec 19 19:01:52.288 INFO [stderr]     |
Dec 19 19:01:52.288 INFO [stderr] 312 | /     fn op_Ex9E (&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.288 INFO [stderr] 313 | |         if self.keypad.get_key(self.v[x] as usize) { return 4 }
Dec 19 19:01:52.288 INFO [stderr] 314 | |         2
Dec 19 19:01:52.288 INFO [stderr] 315 | |     }
Dec 19 19:01:52.288 INFO [stderr]     | |_____^
Dec 19 19:01:52.288 INFO [stderr] 
Dec 19 19:01:52.288 INFO [stderr] warning: method `op_ExA1` should have a snake case name such as `op_ex_a1`
Dec 19 19:01:52.288 INFO [stderr]    --> src/cpu/mod.rs:318:5
Dec 19 19:01:52.288 INFO [stderr]     |
Dec 19 19:01:52.289 INFO [stderr] 318 | /     fn op_ExA1(&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.289 INFO [stderr] 319 | |         if self.keypad.get_key(self.v[x] as usize) { return 2 }
Dec 19 19:01:52.289 INFO [stderr] 320 | |         4
Dec 19 19:01:52.289 INFO [stderr] 321 | |     }
Dec 19 19:01:52.289 INFO [stderr]     | |_____^
Dec 19 19:01:52.289 INFO [stderr] 
Dec 19 19:01:52.289 INFO [stderr] warning: method `op_Fx07` should have a snake case name such as `op_fx07`
Dec 19 19:01:52.289 INFO [stderr]    --> src/cpu/mod.rs:324:5
Dec 19 19:01:52.289 INFO [stderr]     |
Dec 19 19:01:52.289 INFO [stderr] 324 | /     fn op_Fx07(&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.289 INFO [stderr] 325 | |         self.v[x] = self.timer_subsystem.delay;
Dec 19 19:01:52.289 INFO [stderr] 326 | |         2
Dec 19 19:01:52.289 INFO [stderr] 327 | |     }
Dec 19 19:01:52.289 INFO [stderr]     | |_____^
Dec 19 19:01:52.289 INFO [stderr] 
Dec 19 19:01:52.289 INFO [stderr] warning: method `op_Fx0A` should have a snake case name such as `op_fx0_a`
Dec 19 19:01:52.289 INFO [stderr]    --> src/cpu/mod.rs:330:5
Dec 19 19:01:52.289 INFO [stderr]     |
Dec 19 19:01:52.289 INFO [stderr] 330 | /     fn op_Fx0A(&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.289 INFO [stderr] 331 | |         let keypress = self.keypad.wait_for_keypress();
Dec 19 19:01:52.289 INFO [stderr] 332 | |         if keypress == 0x10 {
Dec 19 19:01:52.289 INFO [stderr] 333 | |             // keep pc where it is and keep executing this same instruction
Dec 19 19:01:52.289 INFO [stderr] ...   |
Dec 19 19:01:52.289 INFO [stderr] 340 | |         2
Dec 19 19:01:52.289 INFO [stderr] 341 | |     }
Dec 19 19:01:52.289 INFO [stderr]     | |_____^
Dec 19 19:01:52.289 INFO [stderr] 
Dec 19 19:01:52.289 INFO [stderr] warning: method `op_Fx15` should have a snake case name such as `op_fx15`
Dec 19 19:01:52.289 INFO [stderr]    --> src/cpu/mod.rs:344:5
Dec 19 19:01:52.289 INFO [stderr]     |
Dec 19 19:01:52.289 INFO [stderr] 344 | /     fn op_Fx15(&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.289 INFO [stderr] 345 | |         self.timer_subsystem.delay = self.v[x];
Dec 19 19:01:52.289 INFO [stderr] 346 | |         2
Dec 19 19:01:52.289 INFO [stderr] 347 | |     }
Dec 19 19:01:52.289 INFO [stderr]     | |_____^
Dec 19 19:01:52.289 INFO [stderr] 
Dec 19 19:01:52.289 INFO [stderr] warning: method `op_Fx18` should have a snake case name such as `op_fx18`
Dec 19 19:01:52.289 INFO [stderr]    --> src/cpu/mod.rs:350:5
Dec 19 19:01:52.289 INFO [stderr]     |
Dec 19 19:01:52.289 INFO [stderr] 350 | /     fn op_Fx18(&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.289 INFO [stderr] 351 | |         self.timer_subsystem.sound = self.v[x];
Dec 19 19:01:52.289 INFO [stderr] 352 | |         2
Dec 19 19:01:52.289 INFO [stderr] 353 | |     }
Dec 19 19:01:52.289 INFO [stderr]     | |_____^
Dec 19 19:01:52.289 INFO [stderr] 
Dec 19 19:01:52.289 INFO [stderr] warning: method `op_Fx1E` should have a snake case name such as `op_fx1_e`
Dec 19 19:01:52.289 INFO [stderr]    --> src/cpu/mod.rs:356:5
Dec 19 19:01:52.289 INFO [stderr]     |
Dec 19 19:01:52.289 INFO [stderr] 356 | /     fn op_Fx1E(&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.289 INFO [stderr] 357 | |         self.i = self.v[x] as usize + self.i;
Dec 19 19:01:52.289 INFO [stderr] 358 | |         2
Dec 19 19:01:52.289 INFO [stderr] 359 | |     }
Dec 19 19:01:52.289 INFO [stderr]     | |_____^
Dec 19 19:01:52.289 INFO [stderr] 
Dec 19 19:01:52.289 INFO [stderr] warning: method `op_Fx29` should have a snake case name such as `op_fx29`
Dec 19 19:01:52.289 INFO [stderr]    --> src/cpu/mod.rs:362:5
Dec 19 19:01:52.289 INFO [stderr]     |
Dec 19 19:01:52.289 INFO [stderr] 362 | /     fn op_Fx29(&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.289 INFO [stderr] 363 | |         self.i = (self.v[x] * 5) as usize;
Dec 19 19:01:52.289 INFO [stderr] 364 | |         2
Dec 19 19:01:52.289 INFO [stderr] 365 | |     }
Dec 19 19:01:52.289 INFO [stderr]     | |_____^
Dec 19 19:01:52.289 INFO [stderr] 
Dec 19 19:01:52.289 INFO [stderr] warning: method `op_Fx33` should have a snake case name such as `op_fx33`
Dec 19 19:01:52.289 INFO [stderr]    --> src/cpu/mod.rs:368:5
Dec 19 19:01:52.289 INFO [stderr]     |
Dec 19 19:01:52.289 INFO [stderr] 368 | /     fn op_Fx33(&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.289 INFO [stderr] 369 | |         self.ram[self.i] = self.v[x] / 100;
Dec 19 19:01:52.289 INFO [stderr] 370 | |         self.ram[self.i + 1] = (self.v[x] % 100) / 10;
Dec 19 19:01:52.289 INFO [stderr] 371 | |         self.ram[self.i + 2] = self.v[x] % 10;
Dec 19 19:01:52.289 INFO [stderr] 372 | |         2
Dec 19 19:01:52.289 INFO [stderr] 373 | |     }
Dec 19 19:01:52.289 INFO [stderr]     | |_____^
Dec 19 19:01:52.289 INFO [stderr] 
Dec 19 19:01:52.289 INFO [stderr] warning: method `op_Fx55` should have a snake case name such as `op_fx55`
Dec 19 19:01:52.289 INFO [stderr]    --> src/cpu/mod.rs:376:5
Dec 19 19:01:52.289 INFO [stderr]     |
Dec 19 19:01:52.289 INFO [stderr] 376 | /     fn op_Fx55(&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.289 INFO [stderr] 377 | |         // prevent out of bounds
Dec 19 19:01:52.289 INFO [stderr] 378 | |         let end = if (x > 0xf) {0xf} else {x};
Dec 19 19:01:52.289 INFO [stderr] 379 | |
Dec 19 19:01:52.289 INFO [stderr] ...   |
Dec 19 19:01:52.289 INFO [stderr] 383 | |         2
Dec 19 19:01:52.289 INFO [stderr] 384 | |     }
Dec 19 19:01:52.289 INFO [stderr]     | |_____^
Dec 19 19:01:52.289 INFO [stderr] 
Dec 19 19:01:52.289 INFO [stderr] warning: method `op_Fx65` should have a snake case name such as `op_fx65`
Dec 19 19:01:52.289 INFO [stderr]    --> src/cpu/mod.rs:387:5
Dec 19 19:01:52.289 INFO [stderr]     |
Dec 19 19:01:52.289 INFO [stderr] 387 | /     fn op_Fx65(&mut self, x: usize) -> (usize) {
Dec 19 19:01:52.290 INFO [stderr] 388 | |         // prevent out of bounds
Dec 19 19:01:52.290 INFO [stderr] 389 | |         let end = if (x > 0xf) {0xf} else {x};
Dec 19 19:01:52.290 INFO [stderr] 390 | |
Dec 19 19:01:52.290 INFO [stderr] ...   |
Dec 19 19:01:52.290 INFO [stderr] 394 | |         2
Dec 19 19:01:52.290 INFO [stderr] 395 | |     }
Dec 19 19:01:52.290 INFO [stderr]     | |_____^
Dec 19 19:01:52.290 INFO [stderr] 
Dec 19 19:01:52.291 INFO [stderr] warning: function `test_2nnn_and_00EE` should have a snake case name such as `test_2nnn_and_00_ee`
Dec 19 19:01:52.291 INFO [stderr]   --> src/cpu/tests.rs:68:1
Dec 19 19:01:52.291 INFO [stderr]    |
Dec 19 19:01:52.291 INFO [stderr] 68 | / fn test_2nnn_and_00EE() {
Dec 19 19:01:52.291 INFO [stderr] 69 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.291 INFO [stderr] 70 | |
Dec 19 19:01:52.291 INFO [stderr] 71 | |     // jump to subroutine at 0x205
Dec 19 19:01:52.291 INFO [stderr] ...  |
Dec 19 19:01:52.291 INFO [stderr] 78 | |     assert_eq!(chip8.sp, 0);
Dec 19 19:01:52.291 INFO [stderr] 79 | | }
Dec 19 19:01:52.291 INFO [stderr]    | |_^
Dec 19 19:01:52.291 INFO [stderr] 
Dec 19 19:01:52.291 INFO [stderr] warning: function `test_8xyE` should have a snake case name such as `test_8xy_e`
Dec 19 19:01:52.291 INFO [stderr]    --> src/cpu/tests.rs:144:9
Dec 19 19:01:52.291 INFO [stderr]     |
Dec 19 19:01:52.291 INFO [stderr] 144 | /         fn $name() {
Dec 19 19:01:52.291 INFO [stderr] 145 | |             let mut chip8 = Chip8::new();
Dec 19 19:01:52.291 INFO [stderr] 146 | |             chip8.v[1] = $r1;
Dec 19 19:01:52.291 INFO [stderr] 147 | |             chip8.v[2] = $r2;
Dec 19 19:01:52.291 INFO [stderr] ...   |
Dec 19 19:01:52.291 INFO [stderr] 151 | |             assert_eq!(chip8.v[0xF], $carry);
Dec 19 19:01:52.291 INFO [stderr] 152 | |         }
Dec 19 19:01:52.291 INFO [stderr]     | |_________^
Dec 19 19:01:52.291 INFO [stderr] ...
Dec 19 19:01:52.291 INFO [stderr] 170 |   test_register_op!(test_8xyE, 0x821E, 123, 20, 40, 0);
Dec 19 19:01:52.291 INFO [stderr]     |   ----------------------------------------------------- in this macro invocation
Dec 19 19:01:52.291 INFO [stderr] 
Dec 19 19:01:52.291 INFO [stderr] warning: function `test_8xyE_odd` should have a snake case name such as `test_8xy_e_odd`
Dec 19 19:01:52.291 INFO [stderr]    --> src/cpu/tests.rs:144:9
Dec 19 19:01:52.291 INFO [stderr]     |
Dec 19 19:01:52.291 INFO [stderr] 144 | /         fn $name() {
Dec 19 19:01:52.291 INFO [stderr] 145 | |             let mut chip8 = Chip8::new();
Dec 19 19:01:52.291 INFO [stderr] 146 | |             chip8.v[1] = $r1;
Dec 19 19:01:52.291 INFO [stderr] 147 | |             chip8.v[2] = $r2;
Dec 19 19:01:52.291 INFO [stderr] ...   |
Dec 19 19:01:52.291 INFO [stderr] 151 | |             assert_eq!(chip8.v[0xF], $carry);
Dec 19 19:01:52.291 INFO [stderr] 152 | |         }
Dec 19 19:01:52.291 INFO [stderr]     | |_________^
Dec 19 19:01:52.291 INFO [stderr] ...
Dec 19 19:01:52.291 INFO [stderr] 171 |   test_register_op!(test_8xyE_odd, 0x821E, 123, 21, 42, 1);
Dec 19 19:01:52.291 INFO [stderr]     |   --------------------------------------------------------- in this macro invocation
Dec 19 19:01:52.291 INFO [stderr] 
Dec 19 19:01:52.296 INFO [stderr] warning: function `test_Annn` should have a snake case name such as `test_annn`
Dec 19 19:01:52.296 INFO [stderr]    --> src/cpu/tests.rs:187:1
Dec 19 19:01:52.296 INFO [stderr]     |
Dec 19 19:01:52.297 INFO [stderr] 187 | / fn test_Annn() {
Dec 19 19:01:52.297 INFO [stderr] 188 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.297 INFO [stderr] 189 | |     chip8.run_opcode(0xA20F);
Dec 19 19:01:52.297 INFO [stderr] 190 | |
Dec 19 19:01:52.297 INFO [stderr] 191 | |     assert_eq!(chip8.i, 0x20F);
Dec 19 19:01:52.297 INFO [stderr] 192 | | }
Dec 19 19:01:52.297 INFO [stderr]     | |_^
Dec 19 19:01:52.297 INFO [stderr] 
Dec 19 19:01:52.297 INFO [stderr] warning: function `test_Bnnn` should have a snake case name such as `test_bnnn`
Dec 19 19:01:52.297 INFO [stderr]    --> src/cpu/tests.rs:195:1
Dec 19 19:01:52.297 INFO [stderr]     |
Dec 19 19:01:52.297 INFO [stderr] 195 | / fn test_Bnnn() {
Dec 19 19:01:52.297 INFO [stderr] 196 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.297 INFO [stderr] 197 | |     chip8.v[0] = 5;
Dec 19 19:01:52.297 INFO [stderr] 198 | |     chip8.run_opcode(0xB200);
Dec 19 19:01:52.297 INFO [stderr] 199 | |
Dec 19 19:01:52.297 INFO [stderr] 200 | |     assert_eq!(chip8.pc, 0x205);
Dec 19 19:01:52.297 INFO [stderr] 201 | | }
Dec 19 19:01:52.297 INFO [stderr]     | |_^
Dec 19 19:01:52.297 INFO [stderr] 
Dec 19 19:01:52.297 INFO [stderr] warning: function `test_Dxyn` should have a snake case name such as `test_dxyn`
Dec 19 19:01:52.297 INFO [stderr]    --> src/cpu/tests.rs:204:1
Dec 19 19:01:52.297 INFO [stderr]     |
Dec 19 19:01:52.297 INFO [stderr] 204 | / fn test_Dxyn() {
Dec 19 19:01:52.297 INFO [stderr] 205 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.297 INFO [stderr] 206 | |     chip8.ram[0x200] = 0xF0;
Dec 19 19:01:52.297 INFO [stderr] 207 | |     chip8.i = 0x200;
Dec 19 19:01:52.297 INFO [stderr] ...   |
Dec 19 19:01:52.297 INFO [stderr] 210 | |     assert_eq!(chip8.display.get_pixel(0, 0), true);
Dec 19 19:01:52.297 INFO [stderr] 211 | | }
Dec 19 19:01:52.297 INFO [stderr]     | |_^
Dec 19 19:01:52.297 INFO [stderr] 
Dec 19 19:01:52.297 INFO [stderr] warning: function `test_Cnnn` should have a snake case name such as `test_cnnn`
Dec 19 19:01:52.297 INFO [stderr]    --> src/cpu/tests.rs:214:1
Dec 19 19:01:52.297 INFO [stderr]     |
Dec 19 19:01:52.297 INFO [stderr] 214 | / fn test_Cnnn() {
Dec 19 19:01:52.297 INFO [stderr] 215 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.297 INFO [stderr] 216 | |     chip8.v[1] = 15;
Dec 19 19:01:52.297 INFO [stderr] 217 | |     chip8.run_opcode(0xC100);
Dec 19 19:01:52.297 INFO [stderr] 218 | |     assert_eq!(chip8.v[1], 0);
Dec 19 19:01:52.297 INFO [stderr] 219 | | }
Dec 19 19:01:52.297 INFO [stderr]     | |_^
Dec 19 19:01:52.297 INFO [stderr] 
Dec 19 19:01:52.297 INFO [stderr] warning: function `test_Fx1E` should have a snake case name such as `test_fx1_e`
Dec 19 19:01:52.297 INFO [stderr]    --> src/cpu/tests.rs:222:1
Dec 19 19:01:52.297 INFO [stderr]     |
Dec 19 19:01:52.297 INFO [stderr] 222 | / fn test_Fx1E() {
Dec 19 19:01:52.297 INFO [stderr] 223 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.297 INFO [stderr] 224 | |     chip8.v[1] = 0x5;
Dec 19 19:01:52.297 INFO [stderr] 225 | |     chip8.i = 0x20F;
Dec 19 19:01:52.297 INFO [stderr] ...   |
Dec 19 19:01:52.297 INFO [stderr] 228 | |     assert_eq!(chip8.i, 0x214);
Dec 19 19:01:52.297 INFO [stderr] 229 | | }
Dec 19 19:01:52.297 INFO [stderr]     | |_^
Dec 19 19:01:52.297 INFO [stderr] 
Dec 19 19:01:52.297 INFO [stderr] warning: function `test_Fx29` should have a snake case name such as `test_fx29`
Dec 19 19:01:52.297 INFO [stderr]    --> src/cpu/tests.rs:232:1
Dec 19 19:01:52.297 INFO [stderr]     |
Dec 19 19:01:52.297 INFO [stderr] 232 | / fn test_Fx29() {
Dec 19 19:01:52.297 INFO [stderr] 233 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.297 INFO [stderr] 234 | |     chip8.v[1] = 5;
Dec 19 19:01:52.297 INFO [stderr] 235 | |     chip8.run_opcode(0xF129);
Dec 19 19:01:52.297 INFO [stderr] ...   |
Dec 19 19:01:52.297 INFO [stderr] 244 | |     assert_eq!(chip8.ram[chip8.i + 4], 0xF0);
Dec 19 19:01:52.297 INFO [stderr] 245 | | }
Dec 19 19:01:52.297 INFO [stderr]     | |_^
Dec 19 19:01:52.297 INFO [stderr] 
Dec 19 19:01:52.297 INFO [stderr] warning: function `test_Fx33` should have a snake case name such as `test_fx33`
Dec 19 19:01:52.297 INFO [stderr]    --> src/cpu/tests.rs:248:1
Dec 19 19:01:52.297 INFO [stderr]     |
Dec 19 19:01:52.297 INFO [stderr] 248 | / fn test_Fx33() {
Dec 19 19:01:52.297 INFO [stderr] 249 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.297 INFO [stderr] 250 | |     chip8.v[0] = 123;
Dec 19 19:01:52.297 INFO [stderr] 251 | |     chip8.i = 0x200;
Dec 19 19:01:52.297 INFO [stderr] ...   |
Dec 19 19:01:52.297 INFO [stderr] 256 | |     assert_eq!(chip8.ram[0x202], 3);
Dec 19 19:01:52.297 INFO [stderr] 257 | | }
Dec 19 19:01:52.297 INFO [stderr]     | |_^
Dec 19 19:01:52.297 INFO [stderr] 
Dec 19 19:01:52.297 INFO [stderr] warning: function `test_Fx55` should have a snake case name such as `test_fx55`
Dec 19 19:01:52.297 INFO [stderr]    --> src/cpu/tests.rs:260:1
Dec 19 19:01:52.297 INFO [stderr]     |
Dec 19 19:01:52.297 INFO [stderr] 260 | / fn test_Fx55() {
Dec 19 19:01:52.297 INFO [stderr] 261 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.297 INFO [stderr] 262 | |     chip8.v[0] = 5;
Dec 19 19:01:52.297 INFO [stderr] 263 | |     chip8.v[5] = 30;
Dec 19 19:01:52.297 INFO [stderr] ...   |
Dec 19 19:01:52.297 INFO [stderr] 273 | |     assert_ne!(chip8.ram[0x20F], 4);
Dec 19 19:01:52.297 INFO [stderr] 274 | | }
Dec 19 19:01:52.297 INFO [stderr]     | |_^
Dec 19 19:01:52.297 INFO [stderr] 
Dec 19 19:01:52.297 INFO [stderr] warning: function `test_Fx65` should have a snake case name such as `test_fx65`
Dec 19 19:01:52.297 INFO [stderr]    --> src/cpu/tests.rs:277:1
Dec 19 19:01:52.297 INFO [stderr]     |
Dec 19 19:01:52.297 INFO [stderr] 277 | / fn test_Fx65() {
Dec 19 19:01:52.298 INFO [stderr] 278 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.298 INFO [stderr] 279 | |     chip8.i = 0x200;
Dec 19 19:01:52.298 INFO [stderr] 280 | |     chip8.ram[0x200] = 1;
Dec 19 19:01:52.298 INFO [stderr] ...   |
Dec 19 19:01:52.298 INFO [stderr] 288 | |     assert_ne!(chip8.v[2], 3);
Dec 19 19:01:52.298 INFO [stderr] 289 | | }
Dec 19 19:01:52.298 INFO [stderr]     | |_^
Dec 19 19:01:52.298 INFO [stderr] 
Dec 19 19:01:52.298 INFO [stderr] warning: function `test_Fx07` should have a snake case name such as `test_fx07`
Dec 19 19:01:52.298 INFO [stderr]    --> src/cpu/tests.rs:292:1
Dec 19 19:01:52.298 INFO [stderr]     |
Dec 19 19:01:52.298 INFO [stderr] 292 | / fn test_Fx07() {
Dec 19 19:01:52.298 INFO [stderr] 293 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.298 INFO [stderr] 294 | |     chip8.timer_subsystem.delay = 50;
Dec 19 19:01:52.298 INFO [stderr] 295 | |     chip8.run_opcode(0xF007);
Dec 19 19:01:52.298 INFO [stderr] 296 | |
Dec 19 19:01:52.298 INFO [stderr] 297 | |     assert_eq!(chip8.v[0], chip8.timer_subsystem.delay);
Dec 19 19:01:52.298 INFO [stderr] 298 | | }
Dec 19 19:01:52.298 INFO [stderr]     | |_^
Dec 19 19:01:52.298 INFO [stderr] 
Dec 19 19:01:52.298 INFO [stderr] warning: function `test_Fx15_and_Fx18` should have a snake case name such as `test_fx15_and_fx18`
Dec 19 19:01:52.298 INFO [stderr]    --> src/cpu/tests.rs:301:1
Dec 19 19:01:52.298 INFO [stderr]     |
Dec 19 19:01:52.298 INFO [stderr] 301 | / fn test_Fx15_and_Fx18() {
Dec 19 19:01:52.298 INFO [stderr] 302 | |     let mut chip8 = Chip8::new();
Dec 19 19:01:52.298 INFO [stderr] 303 | |     chip8.v[0] = 50;
Dec 19 19:01:52.298 INFO [stderr] 304 | |     chip8.run_opcode(0xF015);
Dec 19 19:01:52.298 INFO [stderr] ...   |
Dec 19 19:01:52.298 INFO [stderr] 308 | |     assert_eq!(chip8.timer_subsystem.sound, chip8.v[0]);
Dec 19 19:01:52.298 INFO [stderr] 309 | | }
Dec 19 19:01:52.298 INFO [stderr]     | |_^
Dec 19 19:01:52.298 INFO [stderr] 
Dec 19 19:01:52.301 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:01:52.301 INFO [stderr]   --> src/rom.rs:13:5
Dec 19 19:01:52.301 INFO [stderr]    |
Dec 19 19:01:52.301 INFO [stderr] 13 |     file.read(buf);
Dec 19 19:01:52.301 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 19:01:52.301 INFO [stderr]    |
Dec 19 19:01:52.301 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 19:01:52.301 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:01:52.301 INFO [stderr] 
Dec 19 19:01:52.358 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
Dec 19 19:01:52.820 INFO running `"docker" "inspect" "589a7810fb9f76c30c1e41990692521c8f8089f4f199c024dfeeab5f5cb93c24"`
Dec 19 19:01:53.064 INFO running `"docker" "rm" "-f" "589a7810fb9f76c30c1e41990692521c8f8089f4f199c024dfeeab5f5cb93c24"`
Dec 19 19:01:53.332 INFO [stdout] 589a7810fb9f76c30c1e41990692521c8f8089f4f199c024dfeeab5f5cb93c24