[INFO] cloning repository https://github.com/JackPritchard1/chip8-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JackPritchard1/chip8-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackPritchard1%2Fchip8-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackPritchard1%2Fchip8-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8da6eebaa30ead75d1af1eb814274a52f02eee5f
[INFO] checking JackPritchard1/chip8-interpreter/8da6eebaa30ead75d1af1eb814274a52f02eee5f against master#c756124775121dea0e640652c5ee3c89e3dd0eb4 for pr-154971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackPritchard1%2Fchip8-interpreter" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JackPritchard1/chip8-interpreter
[INFO] finished tweaking git repo https://github.com/JackPritchard1/chip8-interpreter
[INFO] tweaked toml for git repo https://github.com/JackPritchard1/chip8-interpreter written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JackPritchard1/chip8-interpreter on toolchain c756124775121dea0e640652c5ee3c89e3dd0eb4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JackPritchard1/chip8-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.11.9
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]     Checking chip8_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Level`, `debug`, `error`, and `log_enabled`
[INFO] [stdout]  --> src/interpreter/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{debug, error, log_enabled, info, Level};
[INFO] [stdout]   |           ^^^^^  ^^^^^  ^^^^^^^^^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/interpreter/mod.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let nnn = ((nib.1 as u16) << 8 | (nib.2 as u16) << 4 | (nib.3 as u16));
[INFO] [stdout]    |                   ^                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -         let nnn = ((nib.1 as u16) << 8 | (nib.2 as u16) << 4 | (nib.3 as u16));
[INFO] [stdout] 44 +         let nnn = (nib.1 as u16) << 8 | (nib.2 as u16) << 4 | (nib.3 as u16) ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/interpreter/mod.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let rand : u8 = (rand::thread_rng().gen_range(1..=255) as u8);
[INFO] [stdout]     |                         ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -         let rand : u8 = (rand::thread_rng().gen_range(1..=255) as u8);
[INFO] [stdout] 192 +         let rand : u8 = rand::thread_rng().gen_range(1..=255) as u8 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/interpreter/mod.rs:233:66
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 if self.keys[key] { self.registers[x as usize] = (key as u8); }
[INFO] [stdout]     |                                                                  ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 233 -                 if self.keys[key] { self.registers[x as usize] = (key as u8); }
[INFO] [stdout] 233 +                 if self.keys[key] { self.registers[x as usize] = key as u8 ; }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/interpreter/mod.rs:162:30
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn shr(&mut self, x: u8, y : u8) {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/interpreter/mod.rs:172:30
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn shl(&mut self, x: u8, y : u8) {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter/mod.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn ld_F(&mut self, x: u8) {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]    --> src/interpreter/mod.rs:285:24
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn step(&mut self, keys: &Keys) -> Option<Display> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `registers`, `index`, `stack`, `sp`, `delay_timer`, and `keys` are never read
[INFO] [stdout]   --> src/interpreter/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct State {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout]  8 |     memory: [u8; 4096],
[INFO] [stdout]  9 |     registers: [u8; 16],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     pc: u16,
[INFO] [stdout] 11 |     index: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     stack: [u16; 16],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     sp: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     delay_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     keys: Keys,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/interpreter/mod.rs:38:8
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl State {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  38 |     fn execute(&mut self, opcode: (u8, u8)) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     fn nop(&mut self)  {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn sys(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn clear(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     fn ret(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn jp(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn call(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn se(&mut self, x: u8, kk: u8) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn sne(&mut self, x: u8, kk: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn se_reg(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn ld(&mut self, x: u8, kk: u8) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn add(&mut self, x: u8, kk: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     fn or(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn and(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn xor(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn add_carry(&mut self, x : u8, y : u8){
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     fn sub(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     fn shr(&mut self, x: u8, y : u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn subn(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn shl(&mut self, x: u8, y : u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     fn sne_reg(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |     fn ld_I(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     fn jp_v0(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     fn rnd(&mut self, x: u8, kk: u8){
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     fn drw(&mut self, x: u8, y: u8, n: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 218 |     fn skp(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     fn sknp(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     fn ld_Vx_DT(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     fn ld_K(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 |     fn ld_DT_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     fn ld_ST_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 246 |     fn add_I(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     fn ld_F(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn ld_B(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |     fn ld_I_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 266 |     fn ld_Vx_I(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 272 |     fn initialise_sprites(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sprite` is never constructed
[INFO] [stdout]    --> src/interpreter/mod.rs:305:12
[INFO] [stdout]     |
[INFO] [stdout] 305 | pub struct Sprite {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/interpreter/mod.rs:311:12
[INFO] [stdout]     |
[INFO] [stdout] 310 | impl Sprite {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] 311 |     pub fn new(key : u8) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_I` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn ld_I(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `ld_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_Vx_DT` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn ld_Vx_DT(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to snake case: `ld_vx_dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_K` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn ld_K(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `ld_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_DT_Vx` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn ld_DT_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to snake case: `ld_dt_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_ST_Vx` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn ld_ST_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to snake case: `ld_st_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_I` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn add_I(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^ help: convert the identifier to snake case (notice the capitalization): `add_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_F` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:250:8
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn ld_F(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `ld_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_B` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn ld_B(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case: `ld_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_I_Vx` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:260:8
[INFO] [stdout]     |
[INFO] [stdout] 260 |     fn ld_I_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `ld_i_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_Vx_I` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn ld_Vx_I(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `ld_vx_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level`, `debug`, `error`, and `log_enabled`
[INFO] [stdout]  --> src/interpreter/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{debug, error, log_enabled, info, Level};
[INFO] [stdout]   |           ^^^^^  ^^^^^  ^^^^^^^^^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/interpreter/mod.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let nnn = ((nib.1 as u16) << 8 | (nib.2 as u16) << 4 | (nib.3 as u16));
[INFO] [stdout]    |                   ^                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -         let nnn = ((nib.1 as u16) << 8 | (nib.2 as u16) << 4 | (nib.3 as u16));
[INFO] [stdout] 44 +         let nnn = (nib.1 as u16) << 8 | (nib.2 as u16) << 4 | (nib.3 as u16) ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/interpreter/mod.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let rand : u8 = (rand::thread_rng().gen_range(1..=255) as u8);
[INFO] [stdout]     |                         ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -         let rand : u8 = (rand::thread_rng().gen_range(1..=255) as u8);
[INFO] [stdout] 192 +         let rand : u8 = rand::thread_rng().gen_range(1..=255) as u8 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/interpreter/mod.rs:233:66
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 if self.keys[key] { self.registers[x as usize] = (key as u8); }
[INFO] [stdout]     |                                                                  ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 233 -                 if self.keys[key] { self.registers[x as usize] = (key as u8); }
[INFO] [stdout] 233 +                 if self.keys[key] { self.registers[x as usize] = key as u8 ; }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/interpreter/mod.rs:162:30
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn shr(&mut self, x: u8, y : u8) {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/interpreter/mod.rs:172:30
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn shl(&mut self, x: u8, y : u8) {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/interpreter/mod.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn ld_F(&mut self, x: u8) {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]    --> src/interpreter/mod.rs:285:24
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn step(&mut self, keys: &Keys) -> Option<Display> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `registers`, `index`, `stack`, `sp`, `delay_timer`, and `keys` are never read
[INFO] [stdout]   --> src/interpreter/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct State {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout]  8 |     memory: [u8; 4096],
[INFO] [stdout]  9 |     registers: [u8; 16],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     pc: u16,
[INFO] [stdout] 11 |     index: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     stack: [u16; 16],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     sp: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     delay_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     keys: Keys,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/interpreter/mod.rs:38:8
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl State {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  38 |     fn execute(&mut self, opcode: (u8, u8)) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     fn nop(&mut self)  {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn sys(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn clear(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     fn ret(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn jp(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn call(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn se(&mut self, x: u8, kk: u8) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn sne(&mut self, x: u8, kk: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn se_reg(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn ld(&mut self, x: u8, kk: u8) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn add(&mut self, x: u8, kk: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     fn or(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn and(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn xor(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn add_carry(&mut self, x : u8, y : u8){
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     fn sub(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     fn shr(&mut self, x: u8, y : u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn subn(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn shl(&mut self, x: u8, y : u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     fn sne_reg(&mut self, x: u8, y: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |     fn ld_I(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     fn jp_v0(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     fn rnd(&mut self, x: u8, kk: u8){
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     fn drw(&mut self, x: u8, y: u8, n: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 218 |     fn skp(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     fn sknp(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     fn ld_Vx_DT(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     fn ld_K(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 |     fn ld_DT_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     fn ld_ST_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 246 |     fn add_I(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     fn ld_F(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn ld_B(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |     fn ld_I_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 266 |     fn ld_Vx_I(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 272 |     fn initialise_sprites(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sprite` is never constructed
[INFO] [stdout]    --> src/interpreter/mod.rs:305:12
[INFO] [stdout]     |
[INFO] [stdout] 305 | pub struct Sprite {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/interpreter/mod.rs:311:12
[INFO] [stdout]     |
[INFO] [stdout] 310 | impl Sprite {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] 311 |     pub fn new(key : u8) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_I` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn ld_I(&mut self, nnn: u16) {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `ld_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_Vx_DT` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn ld_Vx_DT(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to snake case: `ld_vx_dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_K` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn ld_K(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `ld_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_DT_Vx` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn ld_DT_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to snake case: `ld_dt_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_ST_Vx` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn ld_ST_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to snake case: `ld_st_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_I` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn add_I(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^ help: convert the identifier to snake case (notice the capitalization): `add_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_F` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:250:8
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn ld_F(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `ld_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_B` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn ld_B(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case: `ld_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_I_Vx` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:260:8
[INFO] [stdout]     |
[INFO] [stdout] 260 |     fn ld_I_Vx(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `ld_i_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ld_Vx_I` should have a snake case name
[INFO] [stdout]    --> src/interpreter/mod.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn ld_Vx_I(&mut self, x: u8) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `ld_vx_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.96s
[INFO] running `Command { std: "docker" "inspect" "814fa2b871c5cf2f85b5ed58a40f6b17d88229a74b61ea4d608d288dbc049db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814fa2b871c5cf2f85b5ed58a40f6b17d88229a74b61ea4d608d288dbc049db7", kill_on_drop: false }`
[INFO] [stdout] 814fa2b871c5cf2f85b5ed58a40f6b17d88229a74b61ea4d608d288dbc049db7
