Dec 18 07:55:05.171 INFO checking DomParfitt/chip-8 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:55:05.171 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/DomParfitt/chip-8:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:55:05.535 INFO [stdout] 0a2c463e6918aea81ce67b5dd2c5f7aba99ee7781f56771fd1bc56ebfc135861
Dec 18 07:55:05.537 INFO running `"docker" "start" "-a" "0a2c463e6918aea81ce67b5dd2c5f7aba99ee7781f56771fd1bc56ebfc135861"`
Dec 18 07:55:08.621 INFO [stderr]     Checking memmap v0.6.2
Dec 18 07:55:08.621 INFO [stderr]     Checking shared_library v0.1.8
Dec 18 07:55:08.622 INFO [stderr]     Checking x11-dl v2.17.5
Dec 18 07:55:08.622 INFO [stderr]     Checking rayon-core v1.4.0
Dec 18 07:55:08.623 INFO [stderr]    Compiling num-derive v0.2.2
Dec 18 07:55:08.682 INFO [stderr]     Checking pistoncore-input v0.21.0
Dec 18 07:55:08.684 INFO [stderr]     Checking wayland-client v0.12.5
Dec 18 07:55:10.758 INFO [stderr]     Checking osmesa-sys v0.1.2
Dec 18 07:55:14.064 INFO [stderr]     Checking rayon v1.0.1
Dec 18 07:55:17.384 INFO [stderr]     Checking wayland-protocols v0.12.5
Dec 18 07:55:17.384 INFO [stderr]     Checking wayland-kbd v0.13.1
Dec 18 07:55:23.256 INFO [stderr]     Checking pistoncore-window v0.32.0
Dec 18 07:55:24.384 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 18 07:55:27.948 INFO [stderr]     Checking pistoncore-event_loop v0.37.0
Dec 18 07:55:27.962 INFO [stderr]     Checking image v0.19.0
Dec 18 07:55:27.968 INFO [stderr]     Checking wayland-window v0.13.3
Dec 18 07:55:29.544 INFO [stderr]     Checking winit v0.12.0
Dec 18 07:55:29.924 INFO [stderr]     Checking piston v0.37.0
Dec 18 07:55:33.034 INFO [stderr]     Checking glutin v0.14.0
Dec 18 07:55:35.552 INFO [stderr]     Checking pistoncore-glutin_window v0.47.0
Dec 18 07:55:35.929 INFO [stderr]     Checking piston-gfx_texture v0.32.0
Dec 18 07:55:37.984 INFO [stderr]     Checking piston2d-gfx_graphics v0.51.0
Dec 18 07:55:40.500 INFO [stderr]     Checking piston_window v0.80.0
Dec 18 07:55:42.300 INFO [stderr]     Checking emu v0.1.0 (/opt/crater/workdir)
Dec 18 07:55:44.922 INFO [stderr] warning: unused import: `Duration`
Dec 18 07:55:44.922 INFO [stderr]  --> src/main.rs:8:17
Dec 18 07:55:44.922 INFO [stderr]   |
Dec 18 07:55:44.922 INFO [stderr] 8 | use std::time::{Duration, Instant};
Dec 18 07:55:44.922 INFO [stderr]   |                 ^^^^^^^^
Dec 18 07:55:44.922 INFO [stderr]   |
Dec 18 07:55:44.922 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:55:44.922 INFO [stderr] 
Dec 18 07:55:45.268 INFO [stderr] warning: unused import: `Duration`
Dec 18 07:55:45.268 INFO [stderr]  --> src/main.rs:8:17
Dec 18 07:55:45.268 INFO [stderr]   |
Dec 18 07:55:45.268 INFO [stderr] 8 | use std::time::{Duration, Instant};
Dec 18 07:55:45.268 INFO [stderr]   |                 ^^^^^^^^
Dec 18 07:55:45.268 INFO [stderr]   |
Dec 18 07:55:45.268 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:55:45.268 INFO [stderr] 
Dec 18 07:55:45.324 INFO [stderr] warning: variable `high` is assigned to, but never used
Dec 18 07:55:45.324 INFO [stderr]   --> src/assembler/mod.rs:10:17
Dec 18 07:55:45.324 INFO [stderr]    |
Dec 18 07:55:45.324 INFO [stderr] 10 |         let mut high: u8;
Dec 18 07:55:45.325 INFO [stderr]    |                 ^^^^
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:55:45.325 INFO [stderr]    = note: consider using `_high` instead
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: variable `low` is assigned to, but never used
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:11:17
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 11 |         let mut low: u8;
Dec 18 07:55:45.325 INFO [stderr]    |                 ^^^
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr]    = note: consider using `_low` instead
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: value assigned to `high` is never read
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:17:17
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 17 |                 high =  (0x8 << 8) | get_register_number(x);
Dec 18 07:55:45.325 INFO [stderr]    |                 ^^^^
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:20:17
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 20 |                 low = (get_register_number(y) << 8) | 0x2;
Dec 18 07:55:45.325 INFO [stderr]    |                 ^^^
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: value assigned to `high` is never read
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:24:17
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 24 |                 high = 0x00;
Dec 18 07:55:45.325 INFO [stderr]    |                 ^^^^
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:25:17
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 25 |                 low = 0xE0;
Dec 18 07:55:45.325 INFO [stderr]    |                 ^^^
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: value assigned to `high` is never read
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:34:17
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 34 |                 high = 0x00;
Dec 18 07:55:45.325 INFO [stderr]    |                 ^^^^
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:35:17
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 35 |                 low = 0xEE;
Dec 18 07:55:45.325 INFO [stderr]    |                 ^^^
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: value assigned to `high` is never read
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:41:17
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 41 |                 high = (0x3 << 4) | get_register_number(register_token);
Dec 18 07:55:45.325 INFO [stderr]    |                 ^^^^
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:44:21
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 44 |                     low = get_register_number(tokens[i]) << 4;
Dec 18 07:55:45.325 INFO [stderr]    |                     ^^^
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:46:21
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 46 |                     low = u8::from_str_radix(tokens[i], 16).unwrap();
Dec 18 07:55:45.325 INFO [stderr]    |                     ^^^
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: value assigned to `high` is never read
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:58:19
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 58 |             _ => {high = 0x00;
Dec 18 07:55:45.325 INFO [stderr]    |                   ^^^^
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:59:17
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.325 INFO [stderr] 59 |                 low = 0xE0;}//panic!("Unrecognised token."),
Dec 18 07:55:45.325 INFO [stderr]    |                 ^^^
Dec 18 07:55:45.325 INFO [stderr] 
Dec 18 07:55:45.325 INFO [stderr] warning: unused variable: `operand`
Dec 18 07:55:45.325 INFO [stderr]   --> src/assembler/mod.rs:70:34
Dec 18 07:55:45.325 INFO [stderr]    |
Dec 18 07:55:45.326 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 18 07:55:45.326 INFO [stderr]    |                                  ^^^^^^^ help: consider using `_operand` instead
Dec 18 07:55:45.326 INFO [stderr] 
Dec 18 07:55:45.326 INFO [stderr] warning: unused variable: `now`
Dec 18 07:55:45.326 INFO [stderr]   --> src/main.rs:24:13
Dec 18 07:55:45.326 INFO [stderr]    |
Dec 18 07:55:45.326 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 18 07:55:45.326 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Dec 18 07:55:45.326 INFO [stderr] 
Dec 18 07:55:45.326 INFO [stderr] warning: variable `cycle_count` is assigned to, but never used
Dec 18 07:55:45.326 INFO [stderr]   --> src/main.rs:25:13
Dec 18 07:55:45.326 INFO [stderr]    |
Dec 18 07:55:45.326 INFO [stderr] 25 |     let mut cycle_count = 0;
Dec 18 07:55:45.326 INFO [stderr]    |             ^^^^^^^^^^^
Dec 18 07:55:45.326 INFO [stderr]    |
Dec 18 07:55:45.326 INFO [stderr]    = note: consider using `_cycle_count` instead
Dec 18 07:55:45.326 INFO [stderr] 
Dec 18 07:55:45.326 INFO [stderr] warning: unused variable: `high_byte`
Dec 18 07:55:45.326 INFO [stderr]    --> src/chip8/mod.rs:145:13
Dec 18 07:55:45.326 INFO [stderr]     |
Dec 18 07:55:45.326 INFO [stderr] 145 |         let high_byte = opcode.high_byte;
Dec 18 07:55:45.326 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 18 07:55:45.326 INFO [stderr] 
Dec 18 07:55:45.336 INFO [stderr] warning: unused variable: `high_byte`
Dec 18 07:55:45.336 INFO [stderr]    --> src/chip8/mod.rs:442:13
Dec 18 07:55:45.336 INFO [stderr]     |
Dec 18 07:55:45.336 INFO [stderr] 442 |         let high_byte = opcode.high_byte;
Dec 18 07:55:45.336 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 18 07:55:45.336 INFO [stderr] 
Dec 18 07:55:45.344 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:55:45.344 INFO [stderr]   --> src/main.rs:24:9
Dec 18 07:55:45.344 INFO [stderr]    |
Dec 18 07:55:45.344 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 18 07:55:45.344 INFO [stderr]    |         ----^^^
Dec 18 07:55:45.344 INFO [stderr]    |         |
Dec 18 07:55:45.344 INFO [stderr]    |         help: remove this `mut`
Dec 18 07:55:45.344 INFO [stderr]    |
Dec 18 07:55:45.344 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:55:45.344 INFO [stderr] 
Dec 18 07:55:45.352 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:55:45.352 INFO [stderr]  --> src/assembler/mod.rs:5:9
Dec 18 07:55:45.352 INFO [stderr]   |
Dec 18 07:55:45.352 INFO [stderr] 5 |     let mut assembled_program: Vec<u8> = Vec::new();
Dec 18 07:55:45.352 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.352 INFO [stderr]   |         |
Dec 18 07:55:45.352 INFO [stderr]   |         help: remove this `mut`
Dec 18 07:55:45.352 INFO [stderr] 
Dec 18 07:55:45.352 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:55:45.352 INFO [stderr]   --> src/assembler/mod.rs:10:13
Dec 18 07:55:45.352 INFO [stderr]    |
Dec 18 07:55:45.352 INFO [stderr] 10 |         let mut high: u8;
Dec 18 07:55:45.352 INFO [stderr]    |             ----^^^^
Dec 18 07:55:45.352 INFO [stderr]    |             |
Dec 18 07:55:45.352 INFO [stderr]    |             help: remove this `mut`
Dec 18 07:55:45.352 INFO [stderr] 
Dec 18 07:55:45.352 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:55:45.352 INFO [stderr]   --> src/assembler/mod.rs:11:13
Dec 18 07:55:45.352 INFO [stderr]    |
Dec 18 07:55:45.352 INFO [stderr] 11 |         let mut low: u8;
Dec 18 07:55:45.352 INFO [stderr]    |             ----^^^
Dec 18 07:55:45.352 INFO [stderr]    |             |
Dec 18 07:55:45.352 INFO [stderr]    |             help: remove this `mut`
Dec 18 07:55:45.352 INFO [stderr] 
Dec 18 07:55:45.400 INFO [stderr] warning: function is never used: `test`
Dec 18 07:55:45.400 INFO [stderr]  --> src/assembler/tests.rs:4:1
Dec 18 07:55:45.400 INFO [stderr]   |
Dec 18 07:55:45.400 INFO [stderr] 4 | pub fn test() {
Dec 18 07:55:45.400 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 18 07:55:45.400 INFO [stderr]   |
Dec 18 07:55:45.400 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:55:45.400 INFO [stderr] 
Dec 18 07:55:45.400 INFO [stderr] warning: function is never used: `assemble`
Dec 18 07:55:45.400 INFO [stderr]  --> src/assembler/mod.rs:4:1
Dec 18 07:55:45.400 INFO [stderr]   |
Dec 18 07:55:45.400 INFO [stderr] 4 | pub fn assemble(program: String) -> Vec<u8> {
Dec 18 07:55:45.400 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.400 INFO [stderr] 
Dec 18 07:55:45.401 INFO [stderr] warning: function is never used: `assemble_opcode`
Dec 18 07:55:45.401 INFO [stderr]   --> src/assembler/mod.rs:70:1
Dec 18 07:55:45.401 INFO [stderr]    |
Dec 18 07:55:45.401 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 18 07:55:45.401 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.401 INFO [stderr] 
Dec 18 07:55:45.401 INFO [stderr] warning: function is never used: `get_register_number`
Dec 18 07:55:45.401 INFO [stderr]   --> src/assembler/mod.rs:80:1
Dec 18 07:55:45.401 INFO [stderr]    |
Dec 18 07:55:45.401 INFO [stderr] 80 | fn get_register_number(token: &str) -> u8 {
Dec 18 07:55:45.401 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.401 INFO [stderr] 
Dec 18 07:55:45.401 INFO [stderr] warning: method is never used: `print_display`
Dec 18 07:55:45.401 INFO [stderr]   --> src/chip8/mod.rs:92:5
Dec 18 07:55:45.401 INFO [stderr]    |
Dec 18 07:55:45.401 INFO [stderr] 92 |     pub fn print_display(&self) {
Dec 18 07:55:45.401 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.401 INFO [stderr] 
Dec 18 07:55:45.401 INFO [stderr] warning: method is never used: `high_nibble_from_byte`
Dec 18 07:55:45.401 INFO [stderr]    --> src/chip8/mod.rs:402:5
Dec 18 07:55:45.401 INFO [stderr]     |
Dec 18 07:55:45.401 INFO [stderr] 402 |     fn high_nibble_from_byte(byte: u8) -> u8 {
Dec 18 07:55:45.401 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.401 INFO [stderr] 
Dec 18 07:55:45.401 INFO [stderr] warning: method is never used: `low_nibble_from_byte`
Dec 18 07:55:45.401 INFO [stderr]    --> src/chip8/mod.rs:406:5
Dec 18 07:55:45.401 INFO [stderr]     |
Dec 18 07:55:45.401 INFO [stderr] 406 |     fn low_nibble_from_byte(byte: u8) -> u8 {
Dec 18 07:55:45.401 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.401 INFO [stderr] 
Dec 18 07:55:45.401 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Dec 18 07:55:45.401 INFO [stderr]   --> src/chip8/mod.rs:20:5
Dec 18 07:55:45.401 INFO [stderr]    |
Dec 18 07:55:45.401 INFO [stderr] 20 |     pub V: [u8; 16],
Dec 18 07:55:45.401 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 07:55:45.401 INFO [stderr]    |
Dec 18 07:55:45.401 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 07:55:45.401 INFO [stderr] 
Dec 18 07:55:45.401 INFO [stderr] warning: structure field `I` should have a snake case name such as `i`
Dec 18 07:55:45.401 INFO [stderr]   --> src/chip8/mod.rs:21:5
Dec 18 07:55:45.401 INFO [stderr]    |
Dec 18 07:55:45.401 INFO [stderr] 21 |     pub I: u16,
Dec 18 07:55:45.401 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 07:55:45.401 INFO [stderr] 
Dec 18 07:55:45.408 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:55:45.408 INFO [stderr]   --> src/main.rs:31:13
Dec 18 07:55:45.408 INFO [stderr]    |
Dec 18 07:55:45.408 INFO [stderr] 31 |             io::stdin().read_line(&mut input);
Dec 18 07:55:45.408 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.408 INFO [stderr]    |
Dec 18 07:55:45.408 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 07:55:45.408 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:55:45.408 INFO [stderr] 
Dec 18 07:55:45.808 INFO [stderr] warning: variable `high` is assigned to, but never used
Dec 18 07:55:45.808 INFO [stderr]   --> src/assembler/mod.rs:10:17
Dec 18 07:55:45.808 INFO [stderr]    |
Dec 18 07:55:45.809 INFO [stderr] 10 |         let mut high: u8;
Dec 18 07:55:45.809 INFO [stderr]    |                 ^^^^
Dec 18 07:55:45.809 INFO [stderr]    |
Dec 18 07:55:45.809 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:55:45.809 INFO [stderr]    = note: consider using `_high` instead
Dec 18 07:55:45.809 INFO [stderr] 
Dec 18 07:55:45.809 INFO [stderr] warning: variable `low` is assigned to, but never used
Dec 18 07:55:45.809 INFO [stderr]   --> src/assembler/mod.rs:11:17
Dec 18 07:55:45.809 INFO [stderr]    |
Dec 18 07:55:45.809 INFO [stderr] 11 |         let mut low: u8;
Dec 18 07:55:45.809 INFO [stderr]    |                 ^^^
Dec 18 07:55:45.809 INFO [stderr]    |
Dec 18 07:55:45.809 INFO [stderr]    = note: consider using `_low` instead
Dec 18 07:55:45.809 INFO [stderr] 
Dec 18 07:55:45.809 INFO [stderr] warning: value assigned to `high` is never read
Dec 18 07:55:45.809 INFO [stderr]   --> src/assembler/mod.rs:17:17
Dec 18 07:55:45.809 INFO [stderr]    |
Dec 18 07:55:45.809 INFO [stderr] 17 |                 high =  (0x8 << 8) | get_register_number(x);
Dec 18 07:55:45.809 INFO [stderr]    |                 ^^^^
Dec 18 07:55:45.809 INFO [stderr]    |
Dec 18 07:55:45.809 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 07:55:45.809 INFO [stderr] 
Dec 18 07:55:45.809 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.809 INFO [stderr]   --> src/assembler/mod.rs:20:17
Dec 18 07:55:45.809 INFO [stderr]    |
Dec 18 07:55:45.809 INFO [stderr] 20 |                 low = (get_register_number(y) << 8) | 0x2;
Dec 18 07:55:45.809 INFO [stderr]    |                 ^^^
Dec 18 07:55:45.809 INFO [stderr] 
Dec 18 07:55:45.809 INFO [stderr] warning: value assigned to `high` is never read
Dec 18 07:55:45.809 INFO [stderr]   --> src/assembler/mod.rs:24:17
Dec 18 07:55:45.809 INFO [stderr]    |
Dec 18 07:55:45.810 INFO [stderr] 24 |                 high = 0x00;
Dec 18 07:55:45.810 INFO [stderr]    |                 ^^^^
Dec 18 07:55:45.810 INFO [stderr] 
Dec 18 07:55:45.810 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.810 INFO [stderr]   --> src/assembler/mod.rs:25:17
Dec 18 07:55:45.810 INFO [stderr]    |
Dec 18 07:55:45.810 INFO [stderr] 25 |                 low = 0xE0;
Dec 18 07:55:45.810 INFO [stderr]    |                 ^^^
Dec 18 07:55:45.810 INFO [stderr] 
Dec 18 07:55:45.810 INFO [stderr] warning: value assigned to `high` is never read
Dec 18 07:55:45.810 INFO [stderr]   --> src/assembler/mod.rs:34:17
Dec 18 07:55:45.810 INFO [stderr]    |
Dec 18 07:55:45.810 INFO [stderr] 34 |                 high = 0x00;
Dec 18 07:55:45.810 INFO [stderr]    |                 ^^^^
Dec 18 07:55:45.810 INFO [stderr] 
Dec 18 07:55:45.810 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.810 INFO [stderr]   --> src/assembler/mod.rs:35:17
Dec 18 07:55:45.810 INFO [stderr]    |
Dec 18 07:55:45.810 INFO [stderr] 35 |                 low = 0xEE;
Dec 18 07:55:45.810 INFO [stderr]    |                 ^^^
Dec 18 07:55:45.810 INFO [stderr] 
Dec 18 07:55:45.810 INFO [stderr] warning: value assigned to `high` is never read
Dec 18 07:55:45.810 INFO [stderr]   --> src/assembler/mod.rs:41:17
Dec 18 07:55:45.810 INFO [stderr]    |
Dec 18 07:55:45.810 INFO [stderr] 41 |                 high = (0x3 << 4) | get_register_number(register_token);
Dec 18 07:55:45.810 INFO [stderr]    |                 ^^^^
Dec 18 07:55:45.810 INFO [stderr] 
Dec 18 07:55:45.810 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.810 INFO [stderr]   --> src/assembler/mod.rs:44:21
Dec 18 07:55:45.810 INFO [stderr]    |
Dec 18 07:55:45.810 INFO [stderr] 44 |                     low = get_register_number(tokens[i]) << 4;
Dec 18 07:55:45.810 INFO [stderr]    |                     ^^^
Dec 18 07:55:45.810 INFO [stderr] 
Dec 18 07:55:45.810 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.810 INFO [stderr]   --> src/assembler/mod.rs:46:21
Dec 18 07:55:45.810 INFO [stderr]    |
Dec 18 07:55:45.810 INFO [stderr] 46 |                     low = u8::from_str_radix(tokens[i], 16).unwrap();
Dec 18 07:55:45.810 INFO [stderr]    |                     ^^^
Dec 18 07:55:45.810 INFO [stderr] 
Dec 18 07:55:45.810 INFO [stderr] warning: value assigned to `high` is never read
Dec 18 07:55:45.810 INFO [stderr]   --> src/assembler/mod.rs:58:19
Dec 18 07:55:45.810 INFO [stderr]    |
Dec 18 07:55:45.810 INFO [stderr] 58 |             _ => {high = 0x00;
Dec 18 07:55:45.810 INFO [stderr]    |                   ^^^^
Dec 18 07:55:45.810 INFO [stderr] 
Dec 18 07:55:45.810 INFO [stderr] warning: value assigned to `low` is never read
Dec 18 07:55:45.810 INFO [stderr]   --> src/assembler/mod.rs:59:17
Dec 18 07:55:45.810 INFO [stderr]    |
Dec 18 07:55:45.810 INFO [stderr] 59 |                 low = 0xE0;}//panic!("Unrecognised token."),
Dec 18 07:55:45.810 INFO [stderr]    |                 ^^^
Dec 18 07:55:45.810 INFO [stderr] 
Dec 18 07:55:45.810 INFO [stderr] warning: unused variable: `operand`
Dec 18 07:55:45.810 INFO [stderr]   --> src/assembler/mod.rs:70:34
Dec 18 07:55:45.811 INFO [stderr]    |
Dec 18 07:55:45.811 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 18 07:55:45.811 INFO [stderr]    |                                  ^^^^^^^ help: consider using `_operand` instead
Dec 18 07:55:45.811 INFO [stderr] 
Dec 18 07:55:45.811 INFO [stderr] warning: unused variable: `now`
Dec 18 07:55:45.811 INFO [stderr]   --> src/main.rs:24:13
Dec 18 07:55:45.811 INFO [stderr]    |
Dec 18 07:55:45.811 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 18 07:55:45.811 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Dec 18 07:55:45.811 INFO [stderr] 
Dec 18 07:55:45.811 INFO [stderr] warning: variable `cycle_count` is assigned to, but never used
Dec 18 07:55:45.811 INFO [stderr]   --> src/main.rs:25:13
Dec 18 07:55:45.811 INFO [stderr]    |
Dec 18 07:55:45.811 INFO [stderr] 25 |     let mut cycle_count = 0;
Dec 18 07:55:45.811 INFO [stderr]    |             ^^^^^^^^^^^
Dec 18 07:55:45.811 INFO [stderr]    |
Dec 18 07:55:45.811 INFO [stderr]    = note: consider using `_cycle_count` instead
Dec 18 07:55:45.811 INFO [stderr] 
Dec 18 07:55:45.811 INFO [stderr] warning: unused variable: `high_byte`
Dec 18 07:55:45.811 INFO [stderr]    --> src/chip8/mod.rs:145:13
Dec 18 07:55:45.811 INFO [stderr]     |
Dec 18 07:55:45.811 INFO [stderr] 145 |         let high_byte = opcode.high_byte;
Dec 18 07:55:45.811 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 18 07:55:45.811 INFO [stderr] 
Dec 18 07:55:45.811 INFO [stderr] warning: unused variable: `high_byte`
Dec 18 07:55:45.811 INFO [stderr]    --> src/chip8/mod.rs:442:13
Dec 18 07:55:45.811 INFO [stderr]     |
Dec 18 07:55:45.812 INFO [stderr] 442 |         let high_byte = opcode.high_byte;
Dec 18 07:55:45.812 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 18 07:55:45.812 INFO [stderr] 
Dec 18 07:55:45.824 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:55:45.825 INFO [stderr]   --> src/main.rs:24:9
Dec 18 07:55:45.825 INFO [stderr]    |
Dec 18 07:55:45.825 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 18 07:55:45.825 INFO [stderr]    |         ----^^^
Dec 18 07:55:45.825 INFO [stderr]    |         |
Dec 18 07:55:45.825 INFO [stderr]    |         help: remove this `mut`
Dec 18 07:55:45.825 INFO [stderr]    |
Dec 18 07:55:45.825 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:55:45.826 INFO [stderr] 
Dec 18 07:55:45.833 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:55:45.833 INFO [stderr]  --> src/assembler/mod.rs:5:9
Dec 18 07:55:45.834 INFO [stderr]   |
Dec 18 07:55:45.834 INFO [stderr] 5 |     let mut assembled_program: Vec<u8> = Vec::new();
Dec 18 07:55:45.834 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.834 INFO [stderr]   |         |
Dec 18 07:55:45.834 INFO [stderr]   |         help: remove this `mut`
Dec 18 07:55:45.834 INFO [stderr] 
Dec 18 07:55:45.834 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:55:45.834 INFO [stderr]   --> src/assembler/mod.rs:10:13
Dec 18 07:55:45.835 INFO [stderr]    |
Dec 18 07:55:45.835 INFO [stderr] 10 |         let mut high: u8;
Dec 18 07:55:45.835 INFO [stderr]    |             ----^^^^
Dec 18 07:55:45.835 INFO [stderr]    |             |
Dec 18 07:55:45.835 INFO [stderr]    |             help: remove this `mut`
Dec 18 07:55:45.835 INFO [stderr] 
Dec 18 07:55:45.835 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:55:45.835 INFO [stderr]   --> src/assembler/mod.rs:11:13
Dec 18 07:55:45.835 INFO [stderr]    |
Dec 18 07:55:45.836 INFO [stderr] 11 |         let mut low: u8;
Dec 18 07:55:45.836 INFO [stderr]    |             ----^^^
Dec 18 07:55:45.836 INFO [stderr]    |             |
Dec 18 07:55:45.836 INFO [stderr]    |             help: remove this `mut`
Dec 18 07:55:45.836 INFO [stderr] 
Dec 18 07:55:45.878 INFO [stderr] warning: function is never used: `assemble`
Dec 18 07:55:45.878 INFO [stderr]  --> src/assembler/mod.rs:4:1
Dec 18 07:55:45.878 INFO [stderr]   |
Dec 18 07:55:45.878 INFO [stderr] 4 | pub fn assemble(program: String) -> Vec<u8> {
Dec 18 07:55:45.878 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.878 INFO [stderr]   |
Dec 18 07:55:45.879 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:55:45.879 INFO [stderr] 
Dec 18 07:55:45.879 INFO [stderr] warning: function is never used: `assemble_opcode`
Dec 18 07:55:45.879 INFO [stderr]   --> src/assembler/mod.rs:70:1
Dec 18 07:55:45.879 INFO [stderr]    |
Dec 18 07:55:45.879 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 18 07:55:45.879 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.879 INFO [stderr] 
Dec 18 07:55:45.880 INFO [stderr] warning: function is never used: `get_register_number`
Dec 18 07:55:45.880 INFO [stderr]   --> src/assembler/mod.rs:80:1
Dec 18 07:55:45.880 INFO [stderr]    |
Dec 18 07:55:45.880 INFO [stderr] 80 | fn get_register_number(token: &str) -> u8 {
Dec 18 07:55:45.880 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.880 INFO [stderr] 
Dec 18 07:55:45.880 INFO [stderr] warning: method is never used: `load_program`
Dec 18 07:55:45.881 INFO [stderr]   --> src/chip8/mod.rs:49:5
Dec 18 07:55:45.881 INFO [stderr]    |
Dec 18 07:55:45.881 INFO [stderr] 49 |     pub fn load_program(&mut self, program: Vec<u8>) {
Dec 18 07:55:45.881 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.881 INFO [stderr] 
Dec 18 07:55:45.881 INFO [stderr] warning: method is never used: `print_display`
Dec 18 07:55:45.881 INFO [stderr]   --> src/chip8/mod.rs:92:5
Dec 18 07:55:45.881 INFO [stderr]    |
Dec 18 07:55:45.882 INFO [stderr] 92 |     pub fn print_display(&self) {
Dec 18 07:55:45.882 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.882 INFO [stderr] 
Dec 18 07:55:45.882 INFO [stderr] warning: method is never used: `high_nibble_from_byte`
Dec 18 07:55:45.882 INFO [stderr]    --> src/chip8/mod.rs:402:5
Dec 18 07:55:45.882 INFO [stderr]     |
Dec 18 07:55:45.882 INFO [stderr] 402 |     fn high_nibble_from_byte(byte: u8) -> u8 {
Dec 18 07:55:45.882 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.882 INFO [stderr] 
Dec 18 07:55:45.883 INFO [stderr] warning: method is never used: `low_nibble_from_byte`
Dec 18 07:55:45.883 INFO [stderr]    --> src/chip8/mod.rs:406:5
Dec 18 07:55:45.883 INFO [stderr]     |
Dec 18 07:55:45.883 INFO [stderr] 406 |     fn low_nibble_from_byte(byte: u8) -> u8 {
Dec 18 07:55:45.883 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.883 INFO [stderr] 
Dec 18 07:55:45.884 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Dec 18 07:55:45.884 INFO [stderr]   --> src/chip8/mod.rs:20:5
Dec 18 07:55:45.885 INFO [stderr]    |
Dec 18 07:55:45.885 INFO [stderr] 20 |     pub V: [u8; 16],
Dec 18 07:55:45.885 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 07:55:45.885 INFO [stderr]    |
Dec 18 07:55:45.885 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 07:55:45.885 INFO [stderr] 
Dec 18 07:55:45.885 INFO [stderr] warning: structure field `I` should have a snake case name such as `i`
Dec 18 07:55:45.885 INFO [stderr]   --> src/chip8/mod.rs:21:5
Dec 18 07:55:45.886 INFO [stderr]    |
Dec 18 07:55:45.886 INFO [stderr] 21 |     pub I: u16,
Dec 18 07:55:45.886 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 07:55:45.886 INFO [stderr] 
Dec 18 07:55:45.887 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:55:45.888 INFO [stderr]   --> src/main.rs:31:13
Dec 18 07:55:45.888 INFO [stderr]    |
Dec 18 07:55:45.888 INFO [stderr] 31 |             io::stdin().read_line(&mut input);
Dec 18 07:55:45.888 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:55:45.888 INFO [stderr]    |
Dec 18 07:55:45.888 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 07:55:45.888 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:55:45.888 INFO [stderr] 
Dec 18 07:55:45.962 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.71s
Dec 18 07:55:46.785 INFO running `"docker" "inspect" "0a2c463e6918aea81ce67b5dd2c5f7aba99ee7781f56771fd1bc56ebfc135861"`
Dec 18 07:55:47.111 INFO running `"docker" "rm" "-f" "0a2c463e6918aea81ce67b5dd2c5f7aba99ee7781f56771fd1bc56ebfc135861"`
Dec 18 07:55:47.392 INFO [stdout] 0a2c463e6918aea81ce67b5dd2c5f7aba99ee7781f56771fd1bc56ebfc135861