Dec 02 04:32:50.172 INFO testing Orenchon/chip8_mary against 1.30.1 for beta-1.31-5
Dec 02 04:32:50.172 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 04:32:50.601 INFO [stdout] eadeadc3c7c3c67e298716e1a227ce974118d35b2c1603739ced87768acd10b9
Dec 02 04:32:50.605 INFO running `"docker" "start" "-a" "eadeadc3c7c3c67e298716e1a227ce974118d35b2c1603739ced87768acd10b9"`
Dec 02 04:32:51.419 INFO [stderr] usermod: no changes
Dec 02 04:32:51.511 INFO [stderr]    Compiling chip8_mary v0.1.0 (/source)
Dec 02 04:32:52.655 INFO [stderr] warning: unused import: `std::time`
Dec 02 04:32:52.655 INFO [stderr]   --> src/cpu.rs:15:9
Dec 02 04:32:52.655 INFO [stderr]    |
Dec 02 04:32:52.656 INFO [stderr] 15 |     use std::time;
Dec 02 04:32:52.656 INFO [stderr]    |         ^^^^^^^^^
Dec 02 04:32:52.656 INFO [stderr]    |
Dec 02 04:32:52.656 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 02 04:32:52.657 INFO [stderr] 
Dec 02 04:32:52.657 INFO [stderr] warning: unused import: `audio::*`
Dec 02 04:32:52.657 INFO [stderr]  --> src/lib.rs:3:5
Dec 02 04:32:52.657 INFO [stderr]   |
Dec 02 04:32:52.658 INFO [stderr] 3 | use audio::*;
Dec 02 04:32:52.658 INFO [stderr]   |     ^^^^^^^^
Dec 02 04:32:52.658 INFO [stderr] 
Dec 02 04:32:52.658 INFO [stderr] warning: unused import: `cpu::*`
Dec 02 04:32:52.659 INFO [stderr]  --> src/lib.rs:4:5
Dec 02 04:32:52.659 INFO [stderr]   |
Dec 02 04:32:52.659 INFO [stderr] 4 | use cpu::*;
Dec 02 04:32:52.659 INFO [stderr]   |     ^^^^^^
Dec 02 04:32:52.660 INFO [stderr] 
Dec 02 04:32:52.833 INFO [stderr] warning: struct is never constructed: `SquareWave`
Dec 02 04:32:52.833 INFO [stderr]  --> src/audio.rs:6:5
Dec 02 04:32:52.833 INFO [stderr]   |
Dec 02 04:32:52.833 INFO [stderr] 6 |     pub struct SquareWave {
Dec 02 04:32:52.833 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.833 INFO [stderr]   |
Dec 02 04:32:52.833 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 04:32:52.833 INFO [stderr] 
Dec 02 04:32:52.833 INFO [stderr] warning: constant item is never used: `MEMORY_SIZE`
Dec 02 04:32:52.833 INFO [stderr]  --> src/cpu.rs:5:5
Dec 02 04:32:52.833 INFO [stderr]   |
Dec 02 04:32:52.833 INFO [stderr] 5 |     const MEMORY_SIZE: usize = 4096;
Dec 02 04:32:52.833 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.833 INFO [stderr] 
Dec 02 04:32:52.833 INFO [stderr] warning: constant item is never used: `STACK_SIZE`
Dec 02 04:32:52.833 INFO [stderr]  --> src/cpu.rs:7:5
Dec 02 04:32:52.833 INFO [stderr]   |
Dec 02 04:32:52.833 INFO [stderr] 7 |     const STACK_SIZE: usize = 16;
Dec 02 04:32:52.833 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.833 INFO [stderr] 
Dec 02 04:32:52.833 INFO [stderr] warning: constant item is never used: `GFX_SIZE`
Dec 02 04:32:52.833 INFO [stderr]  --> src/cpu.rs:9:5
Dec 02 04:32:52.833 INFO [stderr]   |
Dec 02 04:32:52.833 INFO [stderr] 9 |     const GFX_SIZE: usize = 64 * 32;
Dec 02 04:32:52.833 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.833 INFO [stderr] 
Dec 02 04:32:52.833 INFO [stderr] warning: constant item is never used: `COWGOD_VER`
Dec 02 04:32:52.833 INFO [stderr]   --> src/cpu.rs:11:5
Dec 02 04:32:52.833 INFO [stderr]    |
Dec 02 04:32:52.833 INFO [stderr] 11 |     const COWGOD_VER: u8 = 0;
Dec 02 04:32:52.833 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.833 INFO [stderr] 
Dec 02 04:32:52.833 INFO [stderr] warning: constant item is never used: `MATTMIK_VER`
Dec 02 04:32:52.833 INFO [stderr]   --> src/cpu.rs:12:5
Dec 02 04:32:52.833 INFO [stderr]    |
Dec 02 04:32:52.833 INFO [stderr] 12 |     const MATTMIK_VER: u8 = 1;
Dec 02 04:32:52.833 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.833 INFO [stderr] 
Dec 02 04:32:52.833 INFO [stderr] warning: struct is never constructed: `Chip`
Dec 02 04:32:52.833 INFO [stderr]   --> src/cpu.rs:17:5
Dec 02 04:32:52.833 INFO [stderr]    |
Dec 02 04:32:52.833 INFO [stderr] 17 |     pub struct Chip {
Dec 02 04:32:52.833 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 02 04:32:52.833 INFO [stderr] 
Dec 02 04:32:52.833 INFO [stderr] warning: method is never used: `new`
Dec 02 04:32:52.833 INFO [stderr]   --> src/cpu.rs:53:9
Dec 02 04:32:52.833 INFO [stderr]    |
Dec 02 04:32:52.833 INFO [stderr] 53 |         pub fn new(version: u8) -> Chip {
Dec 02 04:32:52.833 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.833 INFO [stderr] 
Dec 02 04:32:52.833 INFO [stderr] warning: method is never used: `load_program`
Dec 02 04:32:52.833 INFO [stderr]   --> src/cpu.rs:74:9
Dec 02 04:32:52.834 INFO [stderr]    |
Dec 02 04:32:52.834 INFO [stderr] 74 |         pub fn load_program(&mut self, program: &[u8]) {
Dec 02 04:32:52.834 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.834 INFO [stderr] 
Dec 02 04:32:52.834 INFO [stderr] warning: method is never used: `cycle`
Dec 02 04:32:52.834 INFO [stderr]   --> src/cpu.rs:86:9
Dec 02 04:32:52.834 INFO [stderr]    |
Dec 02 04:32:52.834 INFO [stderr] 86 |         pub fn cycle(&mut self) {
Dec 02 04:32:52.834 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.834 INFO [stderr] 
Dec 02 04:32:52.834 INFO [stderr] warning: method is never used: `give_keypress`
Dec 02 04:32:52.834 INFO [stderr]    --> src/cpu.rs:153:9
Dec 02 04:32:52.834 INFO [stderr]     |
Dec 02 04:32:52.834 INFO [stderr] 153 |         pub fn give_keypress(&mut self, key_pressed: Option<u8>) {
Dec 02 04:32:52.834 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.834 INFO [stderr] 
Dec 02 04:32:52.834 INFO [stderr] warning: method is never used: `give_keyrelease`
Dec 02 04:32:52.834 INFO [stderr]    --> src/cpu.rs:167:9
Dec 02 04:32:52.834 INFO [stderr]     |
Dec 02 04:32:52.834 INFO [stderr] 167 |         pub fn give_keyrelease(&mut self, key_pressed: Option<u8>) {
Dec 02 04:32:52.834 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.834 INFO [stderr] 
Dec 02 04:32:52.834 INFO [stderr] warning: method is never used: `cls`
Dec 02 04:32:52.834 INFO [stderr]    --> src/cpu.rs:174:9
Dec 02 04:32:52.834 INFO [stderr]     |
Dec 02 04:32:52.834 INFO [stderr] 174 |         pub fn cls(&mut self) {
Dec 02 04:32:52.834 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.834 INFO [stderr] 
Dec 02 04:32:52.834 INFO [stderr] warning: method is never used: `jump`
Dec 02 04:32:52.834 INFO [stderr]    --> src/cpu.rs:181:9
Dec 02 04:32:52.834 INFO [stderr]     |
Dec 02 04:32:52.834 INFO [stderr] 181 |         pub fn jump(&mut self) {
Dec 02 04:32:52.834 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.834 INFO [stderr] 
Dec 02 04:32:52.834 INFO [stderr] warning: method is never used: `jump_plus_reg`
Dec 02 04:32:52.834 INFO [stderr]    --> src/cpu.rs:185:9
Dec 02 04:32:52.834 INFO [stderr]     |
Dec 02 04:32:52.834 INFO [stderr] 185 |         pub fn jump_plus_reg(&mut self) {
Dec 02 04:32:52.834 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.834 INFO [stderr] 
Dec 02 04:32:52.834 INFO [stderr] warning: method is never used: `gen_random`
Dec 02 04:32:52.834 INFO [stderr]    --> src/cpu.rs:189:9
Dec 02 04:32:52.834 INFO [stderr]     |
Dec 02 04:32:52.834 INFO [stderr] 189 |         pub fn gen_random(&mut self) {
Dec 02 04:32:52.834 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.834 INFO [stderr] 
Dec 02 04:32:52.835 INFO [stderr] warning: method is never used: `index_sprite`
Dec 02 04:32:52.835 INFO [stderr]    --> src/cpu.rs:195:9
Dec 02 04:32:52.835 INFO [stderr]     |
Dec 02 04:32:52.835 INFO [stderr] 195 |         pub fn index_sprite(&mut self) {
Dec 02 04:32:52.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.835 INFO [stderr] 
Dec 02 04:32:52.835 INFO [stderr] warning: method is never used: `should_draw`
Dec 02 04:32:52.835 INFO [stderr]    --> src/cpu.rs:201:9
Dec 02 04:32:52.835 INFO [stderr]     |
Dec 02 04:32:52.835 INFO [stderr] 201 |         pub fn should_draw(&mut self) -> bool {
Dec 02 04:32:52.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.835 INFO [stderr] 
Dec 02 04:32:52.835 INFO [stderr] warning: method is never used: `should_clear`
Dec 02 04:32:52.835 INFO [stderr]    --> src/cpu.rs:216:9
Dec 02 04:32:52.835 INFO [stderr]     |
Dec 02 04:32:52.835 INFO [stderr] 216 |         pub fn should_clear(&mut self) -> bool {
Dec 02 04:32:52.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.835 INFO [stderr] 
Dec 02 04:32:52.835 INFO [stderr] warning: method is never used: `call_sub`
Dec 02 04:32:52.835 INFO [stderr]    --> src/cpu.rs:224:9
Dec 02 04:32:52.835 INFO [stderr]     |
Dec 02 04:32:52.835 INFO [stderr] 224 |         pub fn call_sub(&mut self) {
Dec 02 04:32:52.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.835 INFO [stderr] 
Dec 02 04:32:52.835 INFO [stderr] warning: method is never used: `copy_to_memory`
Dec 02 04:32:52.835 INFO [stderr]    --> src/cpu.rs:230:9
Dec 02 04:32:52.835 INFO [stderr]     |
Dec 02 04:32:52.835 INFO [stderr] 230 |         pub fn copy_to_memory(&mut self) {
Dec 02 04:32:52.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.835 INFO [stderr] 
Dec 02 04:32:52.835 INFO [stderr] warning: method is never used: `copy_to_registers`
Dec 02 04:32:52.835 INFO [stderr]    --> src/cpu.rs:240:9
Dec 02 04:32:52.835 INFO [stderr]     |
Dec 02 04:32:52.835 INFO [stderr] 240 |         pub fn copy_to_registers(&mut self) {
Dec 02 04:32:52.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.835 INFO [stderr] 
Dec 02 04:32:52.835 INFO [stderr] warning: method is never used: `equal_to`
Dec 02 04:32:52.835 INFO [stderr]    --> src/cpu.rs:250:9
Dec 02 04:32:52.835 INFO [stderr]     |
Dec 02 04:32:52.835 INFO [stderr] 250 |         pub fn equal_to(&mut self) {
Dec 02 04:32:52.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.835 INFO [stderr] 
Dec 02 04:32:52.835 INFO [stderr] warning: method is never used: `not_equal_to`
Dec 02 04:32:52.835 INFO [stderr]    --> src/cpu.rs:260:9
Dec 02 04:32:52.835 INFO [stderr]     |
Dec 02 04:32:52.835 INFO [stderr] 260 |         pub fn not_equal_to(&mut self) {
Dec 02 04:32:52.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.835 INFO [stderr] 
Dec 02 04:32:52.835 INFO [stderr] warning: method is never used: `reg_to_reg`
Dec 02 04:32:52.835 INFO [stderr]    --> src/cpu.rs:270:9
Dec 02 04:32:52.835 INFO [stderr]     |
Dec 02 04:32:52.835 INFO [stderr] 270 |         pub fn reg_to_reg(&mut self) {
Dec 02 04:32:52.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.835 INFO [stderr] 
Dec 02 04:32:52.835 INFO [stderr] warning: method is never used: `reg_or_reg`
Dec 02 04:32:52.835 INFO [stderr]    --> src/cpu.rs:276:9
Dec 02 04:32:52.835 INFO [stderr]     |
Dec 02 04:32:52.835 INFO [stderr] 276 |         pub fn reg_or_reg(&mut self) {
Dec 02 04:32:52.836 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.836 INFO [stderr] 
Dec 02 04:32:52.836 INFO [stderr] warning: method is never used: `reg_and_reg`
Dec 02 04:32:52.836 INFO [stderr]    --> src/cpu.rs:282:9
Dec 02 04:32:52.836 INFO [stderr]     |
Dec 02 04:32:52.836 INFO [stderr] 282 |         pub fn reg_and_reg(&mut self) {
Dec 02 04:32:52.836 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.836 INFO [stderr] 
Dec 02 04:32:52.836 INFO [stderr] warning: method is never used: `reg_xor_reg`
Dec 02 04:32:52.836 INFO [stderr]    --> src/cpu.rs:288:9
Dec 02 04:32:52.836 INFO [stderr]     |
Dec 02 04:32:52.836 INFO [stderr] 288 |         pub fn reg_xor_reg(&mut self) {
Dec 02 04:32:52.836 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.836 INFO [stderr] 
Dec 02 04:32:52.836 INFO [stderr] warning: method is never used: `reg_minus_reg`
Dec 02 04:32:52.836 INFO [stderr]    --> src/cpu.rs:294:9
Dec 02 04:32:52.836 INFO [stderr]     |
Dec 02 04:32:52.836 INFO [stderr] 294 |         pub fn reg_minus_reg(&mut self) {
Dec 02 04:32:52.836 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.836 INFO [stderr] 
Dec 02 04:32:52.836 INFO [stderr] warning: method is never used: `inv_reg_minus_reg`
Dec 02 04:32:52.836 INFO [stderr]    --> src/cpu.rs:308:9
Dec 02 04:32:52.836 INFO [stderr]     |
Dec 02 04:32:52.836 INFO [stderr] 308 |         pub fn inv_reg_minus_reg(&mut self) {
Dec 02 04:32:52.836 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.836 INFO [stderr] 
Dec 02 04:32:52.836 INFO [stderr] warning: method is never used: `shift_reg_right`
Dec 02 04:32:52.836 INFO [stderr]    --> src/cpu.rs:324:9
Dec 02 04:32:52.836 INFO [stderr]     |
Dec 02 04:32:52.836 INFO [stderr] 324 |         pub fn shift_reg_right(&mut self) {
Dec 02 04:32:52.836 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.836 INFO [stderr] 
Dec 02 04:32:52.836 INFO [stderr] warning: method is never used: `shift_reg_left`
Dec 02 04:32:52.836 INFO [stderr]    --> src/cpu.rs:346:9
Dec 02 04:32:52.836 INFO [stderr]     |
Dec 02 04:32:52.836 INFO [stderr] 346 |         pub fn shift_reg_left(&mut self) {
Dec 02 04:32:52.836 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.836 INFO [stderr] 
Dec 02 04:32:52.836 INFO [stderr] warning: method is never used: `reg_not_reg`
Dec 02 04:32:52.836 INFO [stderr]    --> src/cpu.rs:366:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 366 |         pub fn reg_not_reg(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `reg_equals_reg`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:376:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 376 |         pub fn reg_equals_reg(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `assign`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:386:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 386 |         pub fn assign(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `sum_to`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:391:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 391 |         pub fn sum_to(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `sub_return`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:398:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 398 |         pub fn sub_return(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `skip_pressed`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:403:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 403 |         pub fn skip_pressed(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `skip_not_pressed`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:411:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 411 |         pub fn skip_not_pressed(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `store_delay_timer`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:419:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 419 |         pub fn store_delay_timer(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `set_delay_timer`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:424:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 424 |         pub fn set_delay_timer(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `index_plus_reg`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:429:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 429 |         pub fn index_plus_reg(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `set_sound_timer`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:435:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 435 |         pub fn set_sound_timer(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `wait_for_key`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:440:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 440 |         pub fn wait_for_key(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `reg_plus_reg`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:444:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 444 |         pub fn reg_plus_reg(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.837 INFO [stderr] warning: method is never used: `store_dec`
Dec 02 04:32:52.837 INFO [stderr]    --> src/cpu.rs:458:9
Dec 02 04:32:52.837 INFO [stderr]     |
Dec 02 04:32:52.837 INFO [stderr] 458 |         pub fn store_dec(&mut self) {
Dec 02 04:32:52.837 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.837 INFO [stderr] 
Dec 02 04:32:52.838 INFO [stderr] warning: method is never used: `draw_sprite`
Dec 02 04:32:52.838 INFO [stderr]    --> src/cpu.rs:468:9
Dec 02 04:32:52.838 INFO [stderr]     |
Dec 02 04:32:52.838 INFO [stderr] 468 |         pub fn draw_sprite(&mut self) {
Dec 02 04:32:52.838 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:32:52.838 INFO [stderr] 
Dec 02 04:32:52.838 INFO [stderr] warning: constant item is never used: `CHIP8_FONTSET`
Dec 02 04:32:52.838 INFO [stderr]    --> src/cpu.rs:499:5
Dec 02 04:32:52.838 INFO [stderr]     |
Dec 02 04:32:52.838 INFO [stderr] 499 | /     const CHIP8_FONTSET: [u8; 80] = [
Dec 02 04:32:52.838 INFO [stderr] 500 | |         0xF0, 0x90, 0x90, 0x90, 0xF0, // 0
Dec 02 04:32:52.838 INFO [stderr] 501 | |         0x20, 0x60, 0x20, 0x20, 0x70, // 1
Dec 02 04:32:52.838 INFO [stderr] 502 | |         0xF0, 0x10, 0xF0, 0x80, 0xF0, // 2
Dec 02 04:32:52.838 INFO [stderr] ...   |
Dec 02 04:32:52.838 INFO [stderr] 515 | |         0xF0, 0x80, 0xF0, 0x80, 0x80, // F
Dec 02 04:32:52.838 INFO [stderr] 516 | |     ];
Dec 02 04:32:52.838 INFO [stderr]     | |______^
Dec 02 04:32:52.838 INFO [stderr] 
Dec 02 04:32:53.823 INFO [stderr] warning: unused import: `std::time`
Dec 02 04:32:53.823 INFO [stderr]   --> src/cpu.rs:15:9
Dec 02 04:32:53.823 INFO [stderr]    |
Dec 02 04:32:53.823 INFO [stderr] 15 |     use std::time;
Dec 02 04:32:53.823 INFO [stderr]    |         ^^^^^^^^^
Dec 02 04:32:53.823 INFO [stderr]    |
Dec 02 04:32:53.823 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 02 04:32:53.823 INFO [stderr] 
Dec 02 04:32:54.719 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 02 04:32:54.720 INFO [stderr]   |
Dec 02 04:32:54.720 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.0.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.1.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.10.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.11.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.12.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.13.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.14.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.15.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.2.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.3.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.4.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.5.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.6.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.7.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.8.rcgu.o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.chip8_mary.519wjesm-cgu.9.rcgu.o" "-o" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a" "/target/debug/deps/chip8_mary-1bde06694c8d7d2a.2dermxa9gle5gkls.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/librand-c0b7656f471c697b.rlib" "/target/debug/deps/librand_core-b35693e19dca8536.rlib" "/target/debug/deps/libsdl2-76726ca15ccc84e2.rlib" "/target/debug/deps/librand-a6981ffbadf44c0b.rlib" "/target/debug/deps/librand-295e536817d94b01.rlib" "/target/debug/deps/libsdl2_sys-cd183a0ad691ab73.rlib" "/target/debug/deps/libbitflags-d1a58b399641d224.rlib" "/target/debug/deps/liblazy_static-254eca49dbdf7c32.rlib" "/target/debug/deps/liblibc-e9f537c5e8431f63.rlib" "/target/debug/deps/libnum-d9b7201a87b5ed90.rlib" "/target/debug/deps/libnum_iter-c80af21fd526a411.rlib" "/target/debug/deps/libnum_integer-1703d5fdba4b7938.rlib" "/target/debug/deps/libnum_traits-7bcc335dfe84b60c.rlib" "-Wl,--start-group" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a021829e87e39dcf.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ce8b5a3ae3174a34.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc_jemalloc-e0a5861af782ac1b.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-faa54f218b0e3149.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc_system-60c1f13c2a2bc637.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-62fff61d9c213778.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-457f5d21aa274348.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4694ab1fde4317be.rlib" "-Wl,--end-group" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95d769f09dd6e7cb.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 02 04:32:54.720 INFO [stderr]   = note: /usr/bin/ld: cannot find -lSDL2
Dec 02 04:32:54.720 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 02 04:32:54.720 INFO [stderr]           
Dec 02 04:32:54.720 INFO [stderr] 
Dec 02 04:32:54.720 INFO [stderr] error: aborting due to previous error
Dec 02 04:32:54.720 INFO [stderr] 
Dec 02 04:32:54.730 INFO [stderr] error: Could not compile `chip8_mary`.
Dec 02 04:32:54.730 INFO [stderr] 
Dec 02 04:32:54.730 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 04:32:54.733 INFO [stderr] su: No module specific data is present
Dec 02 04:32:55.392 INFO running `"docker" "inspect" "eadeadc3c7c3c67e298716e1a227ce974118d35b2c1603739ced87768acd10b9"`
Dec 02 04:32:55.712 INFO running `"docker" "rm" "-f" "eadeadc3c7c3c67e298716e1a227ce974118d35b2c1603739ced87768acd10b9"`
Dec 02 04:32:55.990 INFO [stdout] eadeadc3c7c3c67e298716e1a227ce974118d35b2c1603739ced87768acd10b9