Nov 30 11:23:07.097 INFO checking DomParfitt/chip-8 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 11:23:07.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 11:23:07.608 INFO [stdout] 55e901a046a79614aa6f83daf887bdf18c44a871f8a61213291b740a41978b60
Nov 30 11:23:07.610 INFO running `"docker" "start" "-a" "55e901a046a79614aa6f83daf887bdf18c44a871f8a61213291b740a41978b60"`
Nov 30 11:23:08.843 INFO [stderr] usermod: no changes
Nov 30 11:23:09.232 INFO [stderr]     Checking shared_library v0.1.8
Nov 30 11:23:09.247 INFO [stderr]     Checking x11-dl v2.17.5
Nov 30 11:23:09.247 INFO [stderr]     Checking rayon-core v1.4.0
Nov 30 11:23:09.247 INFO [stderr]    Compiling num-derive v0.2.2
Nov 30 11:23:09.247 INFO [stderr]     Checking pistoncore-input v0.21.0
Nov 30 11:23:09.248 INFO [stderr]     Checking wayland-client v0.12.5
Nov 30 11:23:12.049 INFO [stderr]     Checking osmesa-sys v0.1.2
Nov 30 11:23:16.208 INFO [stderr]     Checking rayon v1.0.1
Nov 30 11:23:20.189 INFO [stderr]     Checking wayland-protocols v0.12.5
Nov 30 11:23:20.189 INFO [stderr]     Checking wayland-kbd v0.13.1
Nov 30 11:23:30.376 INFO [stderr]     Checking pistoncore-window v0.32.0
Nov 30 11:23:33.271 INFO [stderr]     Checking jpeg-decoder v0.1.14
Nov 30 11:23:35.572 INFO [stderr]     Checking wayland-window v0.13.3
Nov 30 11:23:36.408 INFO [stderr]     Checking pistoncore-event_loop v0.37.0
Nov 30 11:23:37.976 INFO [stderr]     Checking winit v0.12.0
Nov 30 11:23:38.085 INFO [stderr]     Checking image v0.19.0
Nov 30 11:23:40.341 INFO [stderr]     Checking piston v0.37.0
Nov 30 11:23:44.016 INFO [stderr]     Checking glutin v0.14.0
Nov 30 11:23:48.312 INFO [stderr]     Checking pistoncore-glutin_window v0.47.0
Nov 30 11:23:48.345 INFO [stderr]     Checking piston-gfx_texture v0.32.0
Nov 30 11:23:53.722 INFO [stderr]     Checking piston2d-gfx_graphics v0.51.0
Nov 30 11:23:58.659 INFO [stderr]     Checking piston_window v0.80.0
Nov 30 11:24:04.090 INFO [stderr]     Checking emu v0.1.0 (/source)
Nov 30 11:24:12.900 INFO [stderr] warning: unused import: `Duration`
Nov 30 11:24:12.900 INFO [stderr]  --> src/main.rs:8:17
Nov 30 11:24:12.900 INFO [stderr]   |
Nov 30 11:24:12.900 INFO [stderr] 8 | use std::time::{Duration, Instant};
Nov 30 11:24:12.900 INFO [stderr]   |                 ^^^^^^^^
Nov 30 11:24:12.900 INFO [stderr]   |
Nov 30 11:24:12.902 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 11:24:12.902 INFO [stderr] 
Nov 30 11:24:13.300 INFO [stderr] warning: variable `high` is assigned to, but never used
Nov 30 11:24:13.300 INFO [stderr]   --> src/assembler/mod.rs:10:17
Nov 30 11:24:13.300 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 10 |         let mut high: u8;
Nov 30 11:24:13.301 INFO [stderr]    |                 ^^^^
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 11:24:13.301 INFO [stderr]    = note: consider using `_high` instead
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: variable `low` is assigned to, but never used
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:11:17
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 11 |         let mut low: u8;
Nov 30 11:24:13.301 INFO [stderr]    |                 ^^^
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr]    = note: consider using `_low` instead
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: value assigned to `high` is never read
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:17:17
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 17 |                 high =  (0x8 << 8) | get_register_number(x);
Nov 30 11:24:13.301 INFO [stderr]    |                 ^^^^
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:20:17
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 20 |                 low = (get_register_number(y) << 8) | 0x2;
Nov 30 11:24:13.301 INFO [stderr]    |                 ^^^
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: value assigned to `high` is never read
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:24:17
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 24 |                 high = 0x00;
Nov 30 11:24:13.301 INFO [stderr]    |                 ^^^^
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:25:17
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 25 |                 low = 0xE0;
Nov 30 11:24:13.301 INFO [stderr]    |                 ^^^
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: value assigned to `high` is never read
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:34:17
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 34 |                 high = 0x00;
Nov 30 11:24:13.301 INFO [stderr]    |                 ^^^^
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:35:17
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 35 |                 low = 0xEE;
Nov 30 11:24:13.301 INFO [stderr]    |                 ^^^
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: value assigned to `high` is never read
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:41:17
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 41 |                 high = (0x3 << 4) | get_register_number(register_token);
Nov 30 11:24:13.301 INFO [stderr]    |                 ^^^^
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:44:21
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 44 |                     low = get_register_number(tokens[i]) << 4;
Nov 30 11:24:13.301 INFO [stderr]    |                     ^^^
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:46:21
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 46 |                     low = u8::from_str_radix(tokens[i], 16).unwrap();
Nov 30 11:24:13.301 INFO [stderr]    |                     ^^^
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: value assigned to `high` is never read
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:58:19
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 58 |             _ => {high = 0x00;
Nov 30 11:24:13.301 INFO [stderr]    |                   ^^^^
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:59:17
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 59 |                 low = 0xE0;}//panic!("Unrecognised token."),
Nov 30 11:24:13.301 INFO [stderr]    |                 ^^^
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.301 INFO [stderr] warning: unused variable: `operand`
Nov 30 11:24:13.301 INFO [stderr]   --> src/assembler/mod.rs:70:34
Nov 30 11:24:13.301 INFO [stderr]    |
Nov 30 11:24:13.301 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Nov 30 11:24:13.301 INFO [stderr]    |                                  ^^^^^^^ help: consider using `_operand` instead
Nov 30 11:24:13.301 INFO [stderr] 
Nov 30 11:24:13.308 INFO [stderr] warning: unused variable: `now`
Nov 30 11:24:13.308 INFO [stderr]   --> src/main.rs:24:13
Nov 30 11:24:13.308 INFO [stderr]    |
Nov 30 11:24:13.308 INFO [stderr] 24 |     let mut now = Instant::now();
Nov 30 11:24:13.308 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Nov 30 11:24:13.308 INFO [stderr] 
Nov 30 11:24:13.308 INFO [stderr] warning: variable `cycle_count` is assigned to, but never used
Nov 30 11:24:13.308 INFO [stderr]   --> src/main.rs:25:13
Nov 30 11:24:13.308 INFO [stderr]    |
Nov 30 11:24:13.308 INFO [stderr] 25 |     let mut cycle_count = 0;
Nov 30 11:24:13.308 INFO [stderr]    |             ^^^^^^^^^^^
Nov 30 11:24:13.308 INFO [stderr]    |
Nov 30 11:24:13.308 INFO [stderr]    = note: consider using `_cycle_count` instead
Nov 30 11:24:13.308 INFO [stderr] 
Nov 30 11:24:13.308 INFO [stderr] warning: unused variable: `high_byte`
Nov 30 11:24:13.308 INFO [stderr]    --> src/chip8/mod.rs:145:13
Nov 30 11:24:13.308 INFO [stderr]     |
Nov 30 11:24:13.308 INFO [stderr] 145 |         let high_byte = opcode.high_byte;
Nov 30 11:24:13.308 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Nov 30 11:24:13.308 INFO [stderr] 
Nov 30 11:24:13.308 INFO [stderr] warning: unused variable: `high_byte`
Nov 30 11:24:13.308 INFO [stderr]    --> src/chip8/mod.rs:442:13
Nov 30 11:24:13.308 INFO [stderr]     |
Nov 30 11:24:13.308 INFO [stderr] 442 |         let high_byte = opcode.high_byte;
Nov 30 11:24:13.308 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Nov 30 11:24:13.308 INFO [stderr] 
Nov 30 11:24:13.324 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:24:13.324 INFO [stderr]   --> src/main.rs:24:9
Nov 30 11:24:13.324 INFO [stderr]    |
Nov 30 11:24:13.324 INFO [stderr] 24 |     let mut now = Instant::now();
Nov 30 11:24:13.324 INFO [stderr]    |         ----^^^
Nov 30 11:24:13.324 INFO [stderr]    |         |
Nov 30 11:24:13.324 INFO [stderr]    |         help: remove this `mut`
Nov 30 11:24:13.324 INFO [stderr]    |
Nov 30 11:24:13.324 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 11:24:13.324 INFO [stderr] 
Nov 30 11:24:13.332 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:24:13.332 INFO [stderr]  --> src/assembler/mod.rs:5:9
Nov 30 11:24:13.332 INFO [stderr]   |
Nov 30 11:24:13.332 INFO [stderr] 5 |     let mut assembled_program: Vec<u8> = Vec::new();
Nov 30 11:24:13.332 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^^
Nov 30 11:24:13.332 INFO [stderr]   |         |
Nov 30 11:24:13.332 INFO [stderr]   |         help: remove this `mut`
Nov 30 11:24:13.332 INFO [stderr] 
Nov 30 11:24:13.332 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:24:13.332 INFO [stderr]   --> src/assembler/mod.rs:10:13
Nov 30 11:24:13.332 INFO [stderr]    |
Nov 30 11:24:13.332 INFO [stderr] 10 |         let mut high: u8;
Nov 30 11:24:13.332 INFO [stderr]    |             ----^^^^
Nov 30 11:24:13.332 INFO [stderr]    |             |
Nov 30 11:24:13.332 INFO [stderr]    |             help: remove this `mut`
Nov 30 11:24:13.332 INFO [stderr] 
Nov 30 11:24:13.332 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:24:13.332 INFO [stderr]   --> src/assembler/mod.rs:11:13
Nov 30 11:24:13.332 INFO [stderr]    |
Nov 30 11:24:13.332 INFO [stderr] 11 |         let mut low: u8;
Nov 30 11:24:13.332 INFO [stderr]    |             ----^^^
Nov 30 11:24:13.332 INFO [stderr]    |             |
Nov 30 11:24:13.332 INFO [stderr]    |             help: remove this `mut`
Nov 30 11:24:13.332 INFO [stderr] 
Nov 30 11:24:13.372 INFO [stderr] warning: function is never used: `assemble`
Nov 30 11:24:13.372 INFO [stderr]  --> src/assembler/mod.rs:4:1
Nov 30 11:24:13.372 INFO [stderr]   |
Nov 30 11:24:13.372 INFO [stderr] 4 | pub fn assemble(program: String) -> Vec<u8> {
Nov 30 11:24:13.372 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:13.372 INFO [stderr]   |
Nov 30 11:24:13.372 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 11:24:13.372 INFO [stderr] 
Nov 30 11:24:13.372 INFO [stderr] warning: function is never used: `assemble_opcode`
Nov 30 11:24:13.372 INFO [stderr]   --> src/assembler/mod.rs:70:1
Nov 30 11:24:13.372 INFO [stderr]    |
Nov 30 11:24:13.372 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Nov 30 11:24:13.372 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:13.372 INFO [stderr] 
Nov 30 11:24:13.372 INFO [stderr] warning: function is never used: `get_register_number`
Nov 30 11:24:13.373 INFO [stderr]   --> src/assembler/mod.rs:80:1
Nov 30 11:24:13.373 INFO [stderr]    |
Nov 30 11:24:13.373 INFO [stderr] 80 | fn get_register_number(token: &str) -> u8 {
Nov 30 11:24:13.373 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:13.373 INFO [stderr] 
Nov 30 11:24:13.373 INFO [stderr] warning: method is never used: `load_program`
Nov 30 11:24:13.373 INFO [stderr]   --> src/chip8/mod.rs:49:5
Nov 30 11:24:13.373 INFO [stderr]    |
Nov 30 11:24:13.373 INFO [stderr] 49 |     pub fn load_program(&mut self, program: Vec<u8>) {
Nov 30 11:24:13.373 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:13.373 INFO [stderr] 
Nov 30 11:24:13.373 INFO [stderr] warning: method is never used: `print_display`
Nov 30 11:24:13.373 INFO [stderr]   --> src/chip8/mod.rs:92:5
Nov 30 11:24:13.373 INFO [stderr]    |
Nov 30 11:24:13.373 INFO [stderr] 92 |     pub fn print_display(&self) {
Nov 30 11:24:13.373 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:13.373 INFO [stderr] 
Nov 30 11:24:13.373 INFO [stderr] warning: method is never used: `high_nibble_from_byte`
Nov 30 11:24:13.373 INFO [stderr]    --> src/chip8/mod.rs:402:5
Nov 30 11:24:13.373 INFO [stderr]     |
Nov 30 11:24:13.373 INFO [stderr] 402 |     fn high_nibble_from_byte(byte: u8) -> u8 {
Nov 30 11:24:13.373 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:13.373 INFO [stderr] 
Nov 30 11:24:13.373 INFO [stderr] warning: method is never used: `low_nibble_from_byte`
Nov 30 11:24:13.373 INFO [stderr]    --> src/chip8/mod.rs:406:5
Nov 30 11:24:13.373 INFO [stderr]     |
Nov 30 11:24:13.373 INFO [stderr] 406 |     fn low_nibble_from_byte(byte: u8) -> u8 {
Nov 30 11:24:13.373 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:13.373 INFO [stderr] 
Nov 30 11:24:13.373 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Nov 30 11:24:13.373 INFO [stderr]   --> src/chip8/mod.rs:20:5
Nov 30 11:24:13.373 INFO [stderr]    |
Nov 30 11:24:13.373 INFO [stderr] 20 |     pub V: [u8; 16],
Nov 30 11:24:13.373 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 30 11:24:13.373 INFO [stderr]    |
Nov 30 11:24:13.373 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 30 11:24:13.373 INFO [stderr] 
Nov 30 11:24:13.373 INFO [stderr] warning: structure field `I` should have a snake case name such as `i`
Nov 30 11:24:13.373 INFO [stderr]   --> src/chip8/mod.rs:21:5
Nov 30 11:24:13.373 INFO [stderr]    |
Nov 30 11:24:13.373 INFO [stderr] 21 |     pub I: u16,
Nov 30 11:24:13.373 INFO [stderr]    |     ^^^^^^^^^^
Nov 30 11:24:13.373 INFO [stderr] 
Nov 30 11:24:13.373 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:24:13.373 INFO [stderr]   --> src/main.rs:31:13
Nov 30 11:24:13.373 INFO [stderr]    |
Nov 30 11:24:13.373 INFO [stderr] 31 |             io::stdin().read_line(&mut input);
Nov 30 11:24:13.373 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:13.373 INFO [stderr]    |
Nov 30 11:24:13.373 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 11:24:13.373 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:24:13.373 INFO [stderr] 
Nov 30 11:24:14.024 INFO [stderr] warning: unused import: `Duration`
Nov 30 11:24:14.024 INFO [stderr]  --> src/main.rs:8:17
Nov 30 11:24:14.024 INFO [stderr]   |
Nov 30 11:24:14.024 INFO [stderr] 8 | use std::time::{Duration, Instant};
Nov 30 11:24:14.024 INFO [stderr]   |                 ^^^^^^^^
Nov 30 11:24:14.024 INFO [stderr]   |
Nov 30 11:24:14.024 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 11:24:14.024 INFO [stderr] 
Nov 30 11:24:14.351 INFO [stderr] warning: variable `high` is assigned to, but never used
Nov 30 11:24:14.351 INFO [stderr]   --> src/assembler/mod.rs:10:17
Nov 30 11:24:14.352 INFO [stderr]    |
Nov 30 11:24:14.352 INFO [stderr] 10 |         let mut high: u8;
Nov 30 11:24:14.352 INFO [stderr]    |                 ^^^^
Nov 30 11:24:14.353 INFO [stderr]    |
Nov 30 11:24:14.353 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 11:24:14.353 INFO [stderr]    = note: consider using `_high` instead
Nov 30 11:24:14.353 INFO [stderr] 
Nov 30 11:24:14.353 INFO [stderr] warning: variable `low` is assigned to, but never used
Nov 30 11:24:14.353 INFO [stderr]   --> src/assembler/mod.rs:11:17
Nov 30 11:24:14.353 INFO [stderr]    |
Nov 30 11:24:14.353 INFO [stderr] 11 |         let mut low: u8;
Nov 30 11:24:14.353 INFO [stderr]    |                 ^^^
Nov 30 11:24:14.353 INFO [stderr]    |
Nov 30 11:24:14.353 INFO [stderr]    = note: consider using `_low` instead
Nov 30 11:24:14.353 INFO [stderr] 
Nov 30 11:24:14.353 INFO [stderr] warning: value assigned to `high` is never read
Nov 30 11:24:14.353 INFO [stderr]   --> src/assembler/mod.rs:17:17
Nov 30 11:24:14.353 INFO [stderr]    |
Nov 30 11:24:14.353 INFO [stderr] 17 |                 high =  (0x8 << 8) | get_register_number(x);
Nov 30 11:24:14.353 INFO [stderr]    |                 ^^^^
Nov 30 11:24:14.353 INFO [stderr]    |
Nov 30 11:24:14.353 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 11:24:14.353 INFO [stderr] 
Nov 30 11:24:14.353 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:14.353 INFO [stderr]   --> src/assembler/mod.rs:20:17
Nov 30 11:24:14.353 INFO [stderr]    |
Nov 30 11:24:14.353 INFO [stderr] 20 |                 low = (get_register_number(y) << 8) | 0x2;
Nov 30 11:24:14.353 INFO [stderr]    |                 ^^^
Nov 30 11:24:14.353 INFO [stderr] 
Nov 30 11:24:14.353 INFO [stderr] warning: value assigned to `high` is never read
Nov 30 11:24:14.353 INFO [stderr]   --> src/assembler/mod.rs:24:17
Nov 30 11:24:14.353 INFO [stderr]    |
Nov 30 11:24:14.353 INFO [stderr] 24 |                 high = 0x00;
Nov 30 11:24:14.353 INFO [stderr]    |                 ^^^^
Nov 30 11:24:14.353 INFO [stderr] 
Nov 30 11:24:14.353 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:14.353 INFO [stderr]   --> src/assembler/mod.rs:25:17
Nov 30 11:24:14.353 INFO [stderr]    |
Nov 30 11:24:14.353 INFO [stderr] 25 |                 low = 0xE0;
Nov 30 11:24:14.353 INFO [stderr]    |                 ^^^
Nov 30 11:24:14.353 INFO [stderr] 
Nov 30 11:24:14.353 INFO [stderr] warning: value assigned to `high` is never read
Nov 30 11:24:14.353 INFO [stderr]   --> src/assembler/mod.rs:34:17
Nov 30 11:24:14.353 INFO [stderr]    |
Nov 30 11:24:14.353 INFO [stderr] 34 |                 high = 0x00;
Nov 30 11:24:14.353 INFO [stderr]    |                 ^^^^
Nov 30 11:24:14.353 INFO [stderr] 
Nov 30 11:24:14.353 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:14.353 INFO [stderr]   --> src/assembler/mod.rs:35:17
Nov 30 11:24:14.353 INFO [stderr]    |
Nov 30 11:24:14.353 INFO [stderr] 35 |                 low = 0xEE;
Nov 30 11:24:14.353 INFO [stderr]    |                 ^^^
Nov 30 11:24:14.354 INFO [stderr] 
Nov 30 11:24:14.354 INFO [stderr] warning: value assigned to `high` is never read
Nov 30 11:24:14.354 INFO [stderr]   --> src/assembler/mod.rs:41:17
Nov 30 11:24:14.354 INFO [stderr]    |
Nov 30 11:24:14.354 INFO [stderr] 41 |                 high = (0x3 << 4) | get_register_number(register_token);
Nov 30 11:24:14.354 INFO [stderr]    |                 ^^^^
Nov 30 11:24:14.354 INFO [stderr] 
Nov 30 11:24:14.354 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:14.354 INFO [stderr]   --> src/assembler/mod.rs:44:21
Nov 30 11:24:14.354 INFO [stderr]    |
Nov 30 11:24:14.354 INFO [stderr] 44 |                     low = get_register_number(tokens[i]) << 4;
Nov 30 11:24:14.354 INFO [stderr]    |                     ^^^
Nov 30 11:24:14.354 INFO [stderr] 
Nov 30 11:24:14.354 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:14.354 INFO [stderr]   --> src/assembler/mod.rs:46:21
Nov 30 11:24:14.354 INFO [stderr]    |
Nov 30 11:24:14.354 INFO [stderr] 46 |                     low = u8::from_str_radix(tokens[i], 16).unwrap();
Nov 30 11:24:14.354 INFO [stderr]    |                     ^^^
Nov 30 11:24:14.354 INFO [stderr] 
Nov 30 11:24:14.354 INFO [stderr] warning: value assigned to `high` is never read
Nov 30 11:24:14.354 INFO [stderr]   --> src/assembler/mod.rs:58:19
Nov 30 11:24:14.354 INFO [stderr]    |
Nov 30 11:24:14.354 INFO [stderr] 58 |             _ => {high = 0x00;
Nov 30 11:24:14.354 INFO [stderr]    |                   ^^^^
Nov 30 11:24:14.354 INFO [stderr] 
Nov 30 11:24:14.354 INFO [stderr] warning: value assigned to `low` is never read
Nov 30 11:24:14.354 INFO [stderr]   --> src/assembler/mod.rs:59:17
Nov 30 11:24:14.354 INFO [stderr]    |
Nov 30 11:24:14.354 INFO [stderr] 59 |                 low = 0xE0;}//panic!("Unrecognised token."),
Nov 30 11:24:14.354 INFO [stderr]    |                 ^^^
Nov 30 11:24:14.354 INFO [stderr] 
Nov 30 11:24:14.354 INFO [stderr] warning: unused variable: `operand`
Nov 30 11:24:14.354 INFO [stderr]   --> src/assembler/mod.rs:70:34
Nov 30 11:24:14.354 INFO [stderr]    |
Nov 30 11:24:14.354 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Nov 30 11:24:14.354 INFO [stderr]    |                                  ^^^^^^^ help: consider using `_operand` instead
Nov 30 11:24:14.354 INFO [stderr] 
Nov 30 11:24:14.360 INFO [stderr] warning: unused variable: `now`
Nov 30 11:24:14.361 INFO [stderr]   --> src/main.rs:24:13
Nov 30 11:24:14.361 INFO [stderr]    |
Nov 30 11:24:14.361 INFO [stderr] 24 |     let mut now = Instant::now();
Nov 30 11:24:14.361 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Nov 30 11:24:14.361 INFO [stderr] 
Nov 30 11:24:14.362 INFO [stderr] warning: variable `cycle_count` is assigned to, but never used
Nov 30 11:24:14.362 INFO [stderr]   --> src/main.rs:25:13
Nov 30 11:24:14.362 INFO [stderr]    |
Nov 30 11:24:14.362 INFO [stderr] 25 |     let mut cycle_count = 0;
Nov 30 11:24:14.362 INFO [stderr]    |             ^^^^^^^^^^^
Nov 30 11:24:14.362 INFO [stderr]    |
Nov 30 11:24:14.362 INFO [stderr]    = note: consider using `_cycle_count` instead
Nov 30 11:24:14.362 INFO [stderr] 
Nov 30 11:24:14.362 INFO [stderr] warning: unused variable: `high_byte`
Nov 30 11:24:14.362 INFO [stderr]    --> src/chip8/mod.rs:145:13
Nov 30 11:24:14.362 INFO [stderr]     |
Nov 30 11:24:14.362 INFO [stderr] 145 |         let high_byte = opcode.high_byte;
Nov 30 11:24:14.362 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Nov 30 11:24:14.362 INFO [stderr] 
Nov 30 11:24:14.362 INFO [stderr] warning: unused variable: `high_byte`
Nov 30 11:24:14.362 INFO [stderr]    --> src/chip8/mod.rs:442:13
Nov 30 11:24:14.362 INFO [stderr]     |
Nov 30 11:24:14.362 INFO [stderr] 442 |         let high_byte = opcode.high_byte;
Nov 30 11:24:14.362 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Nov 30 11:24:14.362 INFO [stderr] 
Nov 30 11:24:14.384 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:24:14.384 INFO [stderr]   --> src/main.rs:24:9
Nov 30 11:24:14.384 INFO [stderr]    |
Nov 30 11:24:14.384 INFO [stderr] 24 |     let mut now = Instant::now();
Nov 30 11:24:14.384 INFO [stderr]    |         ----^^^
Nov 30 11:24:14.384 INFO [stderr]    |         |
Nov 30 11:24:14.384 INFO [stderr]    |         help: remove this `mut`
Nov 30 11:24:14.384 INFO [stderr]    |
Nov 30 11:24:14.384 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 11:24:14.384 INFO [stderr] 
Nov 30 11:24:14.396 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:24:14.396 INFO [stderr]  --> src/assembler/mod.rs:5:9
Nov 30 11:24:14.396 INFO [stderr]   |
Nov 30 11:24:14.396 INFO [stderr] 5 |     let mut assembled_program: Vec<u8> = Vec::new();
Nov 30 11:24:14.396 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^^
Nov 30 11:24:14.396 INFO [stderr]   |         |
Nov 30 11:24:14.396 INFO [stderr]   |         help: remove this `mut`
Nov 30 11:24:14.396 INFO [stderr] 
Nov 30 11:24:14.396 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:24:14.396 INFO [stderr]   --> src/assembler/mod.rs:10:13
Nov 30 11:24:14.396 INFO [stderr]    |
Nov 30 11:24:14.396 INFO [stderr] 10 |         let mut high: u8;
Nov 30 11:24:14.396 INFO [stderr]    |             ----^^^^
Nov 30 11:24:14.396 INFO [stderr]    |             |
Nov 30 11:24:14.396 INFO [stderr]    |             help: remove this `mut`
Nov 30 11:24:14.396 INFO [stderr] 
Nov 30 11:24:14.396 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:24:14.396 INFO [stderr]   --> src/assembler/mod.rs:11:13
Nov 30 11:24:14.396 INFO [stderr]    |
Nov 30 11:24:14.396 INFO [stderr] 11 |         let mut low: u8;
Nov 30 11:24:14.396 INFO [stderr]    |             ----^^^
Nov 30 11:24:14.396 INFO [stderr]    |             |
Nov 30 11:24:14.396 INFO [stderr]    |             help: remove this `mut`
Nov 30 11:24:14.396 INFO [stderr] 
Nov 30 11:24:14.463 INFO [stderr] warning: function is never used: `test`
Nov 30 11:24:14.463 INFO [stderr]  --> src/assembler/tests.rs:4:1
Nov 30 11:24:14.463 INFO [stderr]   |
Nov 30 11:24:14.463 INFO [stderr] 4 | pub fn test() {
Nov 30 11:24:14.463 INFO [stderr]   | ^^^^^^^^^^^^^
Nov 30 11:24:14.463 INFO [stderr]   |
Nov 30 11:24:14.463 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 11:24:14.463 INFO [stderr] 
Nov 30 11:24:14.463 INFO [stderr] warning: function is never used: `assemble`
Nov 30 11:24:14.463 INFO [stderr]  --> src/assembler/mod.rs:4:1
Nov 30 11:24:14.463 INFO [stderr]   |
Nov 30 11:24:14.463 INFO [stderr] 4 | pub fn assemble(program: String) -> Vec<u8> {
Nov 30 11:24:14.463 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:14.463 INFO [stderr] 
Nov 30 11:24:14.463 INFO [stderr] warning: function is never used: `assemble_opcode`
Nov 30 11:24:14.463 INFO [stderr]   --> src/assembler/mod.rs:70:1
Nov 30 11:24:14.463 INFO [stderr]    |
Nov 30 11:24:14.463 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Nov 30 11:24:14.463 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:14.463 INFO [stderr] 
Nov 30 11:24:14.463 INFO [stderr] warning: function is never used: `get_register_number`
Nov 30 11:24:14.463 INFO [stderr]   --> src/assembler/mod.rs:80:1
Nov 30 11:24:14.463 INFO [stderr]    |
Nov 30 11:24:14.463 INFO [stderr] 80 | fn get_register_number(token: &str) -> u8 {
Nov 30 11:24:14.463 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:14.463 INFO [stderr] 
Nov 30 11:24:14.463 INFO [stderr] warning: method is never used: `print_display`
Nov 30 11:24:14.463 INFO [stderr]   --> src/chip8/mod.rs:92:5
Nov 30 11:24:14.463 INFO [stderr]    |
Nov 30 11:24:14.463 INFO [stderr] 92 |     pub fn print_display(&self) {
Nov 30 11:24:14.463 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:14.463 INFO [stderr] 
Nov 30 11:24:14.463 INFO [stderr] warning: method is never used: `high_nibble_from_byte`
Nov 30 11:24:14.463 INFO [stderr]    --> src/chip8/mod.rs:402:5
Nov 30 11:24:14.463 INFO [stderr]     |
Nov 30 11:24:14.463 INFO [stderr] 402 |     fn high_nibble_from_byte(byte: u8) -> u8 {
Nov 30 11:24:14.463 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:14.463 INFO [stderr] 
Nov 30 11:24:14.463 INFO [stderr] warning: method is never used: `low_nibble_from_byte`
Nov 30 11:24:14.463 INFO [stderr]    --> src/chip8/mod.rs:406:5
Nov 30 11:24:14.463 INFO [stderr]     |
Nov 30 11:24:14.463 INFO [stderr] 406 |     fn low_nibble_from_byte(byte: u8) -> u8 {
Nov 30 11:24:14.463 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:14.463 INFO [stderr] 
Nov 30 11:24:14.468 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Nov 30 11:24:14.468 INFO [stderr]   --> src/chip8/mod.rs:20:5
Nov 30 11:24:14.468 INFO [stderr]    |
Nov 30 11:24:14.468 INFO [stderr] 20 |     pub V: [u8; 16],
Nov 30 11:24:14.468 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 30 11:24:14.468 INFO [stderr]    |
Nov 30 11:24:14.468 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 30 11:24:14.468 INFO [stderr] 
Nov 30 11:24:14.468 INFO [stderr] warning: structure field `I` should have a snake case name such as `i`
Nov 30 11:24:14.468 INFO [stderr]   --> src/chip8/mod.rs:21:5
Nov 30 11:24:14.468 INFO [stderr]    |
Nov 30 11:24:14.468 INFO [stderr] 21 |     pub I: u16,
Nov 30 11:24:14.468 INFO [stderr]    |     ^^^^^^^^^^
Nov 30 11:24:14.468 INFO [stderr] 
Nov 30 11:24:14.468 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:24:14.468 INFO [stderr]   --> src/main.rs:31:13
Nov 30 11:24:14.468 INFO [stderr]    |
Nov 30 11:24:14.468 INFO [stderr] 31 |             io::stdin().read_line(&mut input);
Nov 30 11:24:14.468 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:24:14.468 INFO [stderr]    |
Nov 30 11:24:14.468 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 11:24:14.468 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:24:14.468 INFO [stderr] 
Nov 30 11:24:14.527 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
Nov 30 11:24:14.541 INFO [stderr] su: No module specific data is present
Nov 30 11:24:15.124 INFO running `"docker" "inspect" "55e901a046a79614aa6f83daf887bdf18c44a871f8a61213291b740a41978b60"`
Nov 30 11:24:15.372 INFO running `"docker" "rm" "-f" "55e901a046a79614aa6f83daf887bdf18c44a871f8a61213291b740a41978b60"`
Nov 30 11:24:15.690 INFO [stdout] 55e901a046a79614aa6f83daf887bdf18c44a871f8a61213291b740a41978b60