[INFO] cloning repository https://github.com/MichaelJRossDev/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MichaelJRossDev/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelJRossDev%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelJRossDev%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4770fdcfc6ac5664de907d9b1eae6ca7efec335d
[INFO] checking MichaelJRossDev/chip8 against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelJRossDev%2Fchip8" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MichaelJRossDev/chip8
[INFO] finished tweaking git repo https://github.com/MichaelJRossDev/chip8
[INFO] tweaked toml for git repo https://github.com/MichaelJRossDev/chip8 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MichaelJRossDev/chip8 on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MichaelJRossDev/chip8 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b54d95d66a893b7317389048f29f3d34f0716bc64713f82de8e6276e337cdc76
[INFO] running `Command { std: "docker" "start" "-a" "b54d95d66a893b7317389048f29f3d34f0716bc64713f82de8e6276e337cdc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b54d95d66a893b7317389048f29f3d34f0716bc64713f82de8e6276e337cdc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54d95d66a893b7317389048f29f3d34f0716bc64713f82de8e6276e337cdc76", kill_on_drop: false }`
[INFO] [stdout] b54d95d66a893b7317389048f29f3d34f0716bc64713f82de8e6276e337cdc76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aa363936816db399823bf8f9bb3a97f650acf0e95b96381103bdb112d283c70
[INFO] running `Command { std: "docker" "start" "-a" "7aa363936816db399823bf8f9bb3a97f650acf0e95b96381103bdb112d283c70", kill_on_drop: false }`
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:174:38
[INFO] [stdout]     |
[INFO] [stdout] 174 |         pub fn shift_left(&mut self, vx: u8) {
[INFO] [stdout]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:178:55
[INFO] [stdout]     |
[INFO] [stdout] 178 |         pub fn skip_if_registers_not_equal(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                                                       ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:174:38
[INFO] [stdout]     |
[INFO] [stdout] 174 |         pub fn shift_left(&mut self, vx: u8) {
[INFO] [stdout]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vy`
[INFO] [stdout]    --> src/cpu.rs:178:63
[INFO] [stdout]     |
[INFO] [stdout] 178 |         pub fn skip_if_registers_not_equal(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                                                               ^^ help: if this is intentional, prefix it with an underscore: `_vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:182:33
[INFO] [stdout]     |
[INFO] [stdout] 182 |         pub fn set_i(&mut self, addr: u16) {
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:178:55
[INFO] [stdout]     |
[INFO] [stdout] 178 |         pub fn skip_if_registers_not_equal(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                                                       ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:186:40
[INFO] [stdout]     |
[INFO] [stdout] 186 |         pub fn jump_plus_v0(&mut self, addr: u16) {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vy`
[INFO] [stdout]    --> src/cpu.rs:178:63
[INFO] [stdout]     |
[INFO] [stdout] 178 |         pub fn skip_if_registers_not_equal(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                                                               ^^ help: if this is intentional, prefix it with an underscore: `_vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:190:39
[INFO] [stdout]     |
[INFO] [stdout] 190 |         pub fn random_byte(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]    --> src/cpu.rs:190:47
[INFO] [stdout]     |
[INFO] [stdout] 190 |         pub fn random_byte(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:182:33
[INFO] [stdout]     |
[INFO] [stdout] 182 |         pub fn set_i(&mut self, addr: u16) {
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:186:40
[INFO] [stdout]     |
[INFO] [stdout] 186 |         pub fn jump_plus_v0(&mut self, addr: u16) {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:194:32
[INFO] [stdout]     |
[INFO] [stdout] 194 |         pub fn draw(&mut self, vx: u8, vy: u8, nibble: u8) {
[INFO] [stdout]     |                                ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vy`
[INFO] [stdout]    --> src/cpu.rs:194:40
[INFO] [stdout]     |
[INFO] [stdout] 194 |         pub fn draw(&mut self, vx: u8, vy: u8, nibble: u8) {
[INFO] [stdout]     |                                        ^^ help: if this is intentional, prefix it with an underscore: `_vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:190:39
[INFO] [stdout]     |
[INFO] [stdout] 190 |         pub fn random_byte(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]    --> src/cpu.rs:190:47
[INFO] [stdout]     |
[INFO] [stdout] 190 |         pub fn random_byte(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nibble`
[INFO] [stdout]    --> src/cpu.rs:194:48
[INFO] [stdout]     |
[INFO] [stdout] 194 |         pub fn draw(&mut self, vx: u8, vy: u8, nibble: u8) {
[INFO] [stdout]     |                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nibble`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:194:32
[INFO] [stdout]     |
[INFO] [stdout] 194 |         pub fn draw(&mut self, vx: u8, vy: u8, nibble: u8) {
[INFO] [stdout]     |                                ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:198:47
[INFO] [stdout]     |
[INFO] [stdout] 198 |         pub fn skip_if_key_pressed(&mut self, vx: u8) {
[INFO] [stdout]     |                                               ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:202:51
[INFO] [stdout]     |
[INFO] [stdout] 202 |         pub fn skip_if_key_not_pressed(&mut self, vx: u8) {
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vy`
[INFO] [stdout]    --> src/cpu.rs:194:40
[INFO] [stdout]     |
[INFO] [stdout] 194 |         pub fn draw(&mut self, vx: u8, vy: u8, nibble: u8) {
[INFO] [stdout]     |                                        ^^ help: if this is intentional, prefix it with an underscore: `_vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:206:45
[INFO] [stdout]     |
[INFO] [stdout] 206 |         pub fn store_delay_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:210:39
[INFO] [stdout]     |
[INFO] [stdout] 210 |         pub fn store_input(&mut self, vx: u8) {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nibble`
[INFO] [stdout]    --> src/cpu.rs:194:48
[INFO] [stdout]     |
[INFO] [stdout] 194 |         pub fn draw(&mut self, vx: u8, vy: u8, nibble: u8) {
[INFO] [stdout]     |                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nibble`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:198:47
[INFO] [stdout]     |
[INFO] [stdout] 198 |         pub fn skip_if_key_pressed(&mut self, vx: u8) {
[INFO] [stdout]     |                                               ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:214:43
[INFO] [stdout]     |
[INFO] [stdout] 214 |         pub fn set_delay_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:202:51
[INFO] [stdout]     |
[INFO] [stdout] 202 |         pub fn skip_if_key_not_pressed(&mut self, vx: u8) {
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:206:45
[INFO] [stdout]     |
[INFO] [stdout] 206 |         pub fn store_delay_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:218:43
[INFO] [stdout]     |
[INFO] [stdout] 218 |         pub fn set_sound_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:210:39
[INFO] [stdout]     |
[INFO] [stdout] 210 |         pub fn store_input(&mut self, vx: u8) {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:222:36
[INFO] [stdout]     |
[INFO] [stdout] 222 |         pub fn add_to_i(&mut self, vx: u8) {
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:214:43
[INFO] [stdout]     |
[INFO] [stdout] 214 |         pub fn set_delay_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:218:43
[INFO] [stdout]     |
[INFO] [stdout] 218 |         pub fn set_sound_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:226:52
[INFO] [stdout]     |
[INFO] [stdout] 226 |         pub fn set_i_to_sprite_location(&mut self, vx: u8) {
[INFO] [stdout]     |                                                    ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:222:36
[INFO] [stdout]     |
[INFO] [stdout] 222 |         pub fn add_to_i(&mut self, vx: u8) {
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:230:54
[INFO] [stdout]     |
[INFO] [stdout] 230 |         pub fn store_binary_coded_decimal(&mut self, vx: u8) {
[INFO] [stdout]     |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:226:52
[INFO] [stdout]     |
[INFO] [stdout] 226 |         pub fn set_i_to_sprite_location(&mut self, vx: u8) {
[INFO] [stdout]     |                                                    ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:234:53
[INFO] [stdout]     |
[INFO] [stdout] 234 |         pub fn store_registers_in_memory(&mut self, vx: u8) {
[INFO] [stdout]     |                                                     ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:230:54
[INFO] [stdout]     |
[INFO] [stdout] 230 |         pub fn store_binary_coded_decimal(&mut self, vx: u8) {
[INFO] [stdout]     |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:238:54
[INFO] [stdout]     |
[INFO] [stdout] 238 |         pub fn load_registers_from_memory(&mut self, vx: u8) {
[INFO] [stdout]     |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:234:53
[INFO] [stdout]     |
[INFO] [stdout] 234 |         pub fn store_registers_in_memory(&mut self, vx: u8) {
[INFO] [stdout]     |                                                     ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/cpu.rs:238:54
[INFO] [stdout]     |
[INFO] [stdout] 238 |         pub fn load_registers_from_memory(&mut self, vx: u8) {
[INFO] [stdout]     |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chip8CPU` is never constructed
[INFO] [stdout]  --> src/cpu.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     struct Chip8CPU {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chip8CPU` is never constructed
[INFO] [stdout]  --> src/cpu.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     struct Chip8CPU {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/cpu.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 16  |     impl Chip8CPU {
[INFO] [stdout]     |     ------------- methods in this implementation
[INFO] [stdout] 17  |         fn get(&self, register: u8) -> u8 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21  |         fn get_mutable(&mut self, register: u8) -> &mut u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25  |         fn execute(&mut self, instruction: Instruction) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66  |         pub fn clear_display(&mut self) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70  |         pub fn return_from_subroutine(&mut self) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76  |         pub fn jump(&mut self, addr: u16) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |         pub fn call(&mut self, addr: u16) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |         pub fn skip_if_equal(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |         pub fn skip_if_not_equal(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |         pub fn skip_if_registers_equal(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |         pub fn set_register(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |         pub fn add(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |         pub fn copy_register(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         pub fn or(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |         pub fn and(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |         pub fn xor(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |         pub fn add_registers(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |         pub fn subtract(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |         pub fn shift_right(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |         pub fn reverse_subtract(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |         pub fn shift_left(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |         pub fn skip_if_registers_not_equal(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |         pub fn set_i(&mut self, addr: u16) {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |         pub fn jump_plus_v0(&mut self, addr: u16) {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |         pub fn random_byte(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |         pub fn draw(&mut self, vx: u8, vy: u8, nibble: u8) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |         pub fn skip_if_key_pressed(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 |         pub fn skip_if_key_not_pressed(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |         pub fn store_delay_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 210 |         pub fn store_input(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |         pub fn set_delay_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 218 |         pub fn set_sound_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |         pub fn add_to_i(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |         pub fn set_i_to_sprite_location(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |         pub fn store_binary_coded_decimal(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |         pub fn store_registers_in_memory(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 |         pub fn load_registers_from_memory(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/cpu.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 16  |     impl Chip8CPU {
[INFO] [stdout]     |     ------------- methods in this implementation
[INFO] [stdout] 17  |         fn get(&self, register: u8) -> u8 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21  |         fn get_mutable(&mut self, register: u8) -> &mut u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25  |         fn execute(&mut self, instruction: Instruction) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66  |         pub fn clear_display(&mut self) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70  |         pub fn return_from_subroutine(&mut self) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76  |         pub fn jump(&mut self, addr: u16) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |         pub fn call(&mut self, addr: u16) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |         pub fn skip_if_equal(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |         pub fn skip_if_not_equal(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |         pub fn skip_if_registers_equal(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |         pub fn set_register(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |         pub fn add(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |         pub fn copy_register(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         pub fn or(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |         pub fn and(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |         pub fn xor(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |         pub fn add_registers(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |         pub fn subtract(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |         pub fn shift_right(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |         pub fn reverse_subtract(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |         pub fn shift_left(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |         pub fn skip_if_registers_not_equal(&mut self, vx: u8, vy: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |         pub fn set_i(&mut self, addr: u16) {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |         pub fn jump_plus_v0(&mut self, addr: u16) {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |         pub fn random_byte(&mut self, vx: u8, byte: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |         pub fn draw(&mut self, vx: u8, vy: u8, nibble: u8) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |         pub fn skip_if_key_pressed(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 |         pub fn skip_if_key_not_pressed(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |         pub fn store_delay_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 210 |         pub fn store_input(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |         pub fn set_delay_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 218 |         pub fn set_sound_timer(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |         pub fn add_to_i(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |         pub fn set_i_to_sprite_location(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |         pub fn store_binary_coded_decimal(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |         pub fn store_registers_in_memory(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 |         pub fn load_registers_from_memory(&mut self, vx: u8) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/instructions.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |         Jump(u16),                       //1nnn
[INFO] [stdout]   |         ---- ^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 -         Jump(u16),                       //1nnn
[INFO] [stdout] 5 +         Jump(()),                       //1nnn
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/instructions.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |         Jump(u16),                       //1nnn
[INFO] [stdout]   |         ---- ^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 -         Jump(u16),                       //1nnn
[INFO] [stdout] 5 +         Jump(()),                       //1nnn
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/instructions.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Call(u16),                       //2nnn
[INFO] [stdout]   |         ---- ^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -         Call(u16),                       //2nnn
[INFO] [stdout] 6 +         Call(()),                       //2nnn
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/instructions.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Call(u16),                       //2nnn
[INFO] [stdout]   |         ---- ^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -         Call(u16),                       //2nnn
[INFO] [stdout] 6 +         Call(()),                       //2nnn
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/instructions.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |         SkipIfEqual(u8, u8),             //3xkk
[INFO] [stdout]   |         ----------- ^^  ^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 7 -         SkipIfEqual(u8, u8),             //3xkk
[INFO] [stdout] 7 +         SkipIfEqual((), ()),             //3xkk
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/instructions.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |         SkipIfEqual(u8, u8),             //3xkk
[INFO] [stdout]   |         ----------- ^^  ^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 7 -         SkipIfEqual(u8, u8),             //3xkk
[INFO] [stdout] 7 +         SkipIfEqual((), ()),             //3xkk
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/instructions.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |         SkipIfNotEqual(u8, u8),          //4xkk
[INFO] [stdout]   |         -------------- ^^  ^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 8 -         SkipIfNotEqual(u8, u8),          //4xkk
[INFO] [stdout] 8 +         SkipIfNotEqual((), ()),          //4xkk
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/instructions.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |         SkipIfRegistersEqual(u8, u8),    //5xy0
[INFO] [stdout]   |         -------------------- ^^  ^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 9 -         SkipIfRegistersEqual(u8, u8),    //5xy0
[INFO] [stdout] 9 +         SkipIfRegistersEqual((), ()),    //5xy0
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/instructions.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |         SkipIfNotEqual(u8, u8),          //4xkk
[INFO] [stdout]   |         -------------- ^^  ^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 8 -         SkipIfNotEqual(u8, u8),          //4xkk
[INFO] [stdout] 8 +         SkipIfNotEqual((), ()),          //4xkk
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Set(u8, u8),                     //6xkk
[INFO] [stdout]    |         --- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 10 -         Set(u8, u8),                     //6xkk
[INFO] [stdout] 10 +         Set((), ()),                     //6xkk
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/instructions.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |         SkipIfRegistersEqual(u8, u8),    //5xy0
[INFO] [stdout]   |         -------------------- ^^  ^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 9 -         SkipIfRegistersEqual(u8, u8),    //5xy0
[INFO] [stdout] 9 +         SkipIfRegistersEqual((), ()),    //5xy0
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Add(u8, u8),                     //7xkk
[INFO] [stdout]    |         --- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 11 -         Add(u8, u8),                     //7xkk
[INFO] [stdout] 11 +         Add((), ()),                     //7xkk
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Set(u8, u8),                     //6xkk
[INFO] [stdout]    |         --- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 10 -         Set(u8, u8),                     //6xkk
[INFO] [stdout] 10 +         Set((), ()),                     //6xkk
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |         CopyRegister(u8, u8),            //8xy0
[INFO] [stdout]    |         ------------ ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 12 -         CopyRegister(u8, u8),            //8xy0
[INFO] [stdout] 12 +         CopyRegister((), ()),            //8xy0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Add(u8, u8),                     //7xkk
[INFO] [stdout]    |         --- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 11 -         Add(u8, u8),                     //7xkk
[INFO] [stdout] 11 +         Add((), ()),                     //7xkk
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         Or(u8, u8),                      //8xy1
[INFO] [stdout]    |         -- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 13 -         Or(u8, u8),                      //8xy1
[INFO] [stdout] 13 +         Or((), ()),                      //8xy1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |         CopyRegister(u8, u8),            //8xy0
[INFO] [stdout]    |         ------------ ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 12 -         CopyRegister(u8, u8),            //8xy0
[INFO] [stdout] 12 +         CopyRegister((), ()),            //8xy0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         And(u8, u8),                     //8xy2
[INFO] [stdout]    |         --- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 14 -         And(u8, u8),                     //8xy2
[INFO] [stdout] 14 +         And((), ()),                     //8xy2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         Or(u8, u8),                      //8xy1
[INFO] [stdout]    |         -- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 13 -         Or(u8, u8),                      //8xy1
[INFO] [stdout] 13 +         Or((), ()),                      //8xy1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Xor(u8, u8),                     //8xy3
[INFO] [stdout]    |         --- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 15 -         Xor(u8, u8),                     //8xy3
[INFO] [stdout] 15 +         Xor((), ()),                     //8xy3
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         And(u8, u8),                     //8xy2
[INFO] [stdout]    |         --- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 14 -         And(u8, u8),                     //8xy2
[INFO] [stdout] 14 +         And((), ()),                     //8xy2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Xor(u8, u8),                     //8xy3
[INFO] [stdout]    |         --- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 15 -         Xor(u8, u8),                     //8xy3
[INFO] [stdout] 15 +         Xor((), ()),                     //8xy3
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Subtract(u8, u8),                //8xy5
[INFO] [stdout]    |         -------- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 17 -         Subtract(u8, u8),                //8xy5
[INFO] [stdout] 17 +         Subtract((), ()),                //8xy5
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Subtract(u8, u8),                //8xy5
[INFO] [stdout]    |         -------- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 17 -         Subtract(u8, u8),                //8xy5
[INFO] [stdout] 17 +         Subtract((), ()),                //8xy5
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |         ShiftRight(u8),                  //8xy6 (omitted y, as most modern interpreters do)
[INFO] [stdout]    |         ---------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -         ShiftRight(u8),                  //8xy6 (omitted y, as most modern interpreters do)
[INFO] [stdout] 18 +         ShiftRight(()),                  //8xy6 (omitted y, as most modern interpreters do)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |         ShiftRight(u8),                  //8xy6 (omitted y, as most modern interpreters do)
[INFO] [stdout]    |         ---------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -         ShiftRight(u8),                  //8xy6 (omitted y, as most modern interpreters do)
[INFO] [stdout] 18 +         ShiftRight(()),                  //8xy6 (omitted y, as most modern interpreters do)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |         ReverseSubtract(u8, u8),         //8xy7
[INFO] [stdout]    |         --------------- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 19 -         ReverseSubtract(u8, u8),         //8xy7
[INFO] [stdout] 19 +         ReverseSubtract((), ()),         //8xy7
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |         ReverseSubtract(u8, u8),         //8xy7
[INFO] [stdout]    |         --------------- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 19 -         ReverseSubtract(u8, u8),         //8xy7
[INFO] [stdout] 19 +         ReverseSubtract((), ()),         //8xy7
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |         ShiftLeft(u8),                   //8xyE (omitted y)
[INFO] [stdout]    |         --------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -         ShiftLeft(u8),                   //8xyE (omitted y)
[INFO] [stdout] 20 +         ShiftLeft(()),                   //8xyE (omitted y)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |         ShiftLeft(u8),                   //8xyE (omitted y)
[INFO] [stdout]    |         --------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -         ShiftLeft(u8),                   //8xyE (omitted y)
[INFO] [stdout] 20 +         ShiftLeft(()),                   //8xyE (omitted y)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |         SkipIfRegistersNotEqual(u8, u8), //9xy0
[INFO] [stdout]    |         ----------------------- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 21 -         SkipIfRegistersNotEqual(u8, u8), //9xy0
[INFO] [stdout] 21 +         SkipIfRegistersNotEqual((), ()), //9xy0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |         SkipIfRegistersNotEqual(u8, u8), //9xy0
[INFO] [stdout]    |         ----------------------- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 21 -         SkipIfRegistersNotEqual(u8, u8), //9xy0
[INFO] [stdout] 21 +         SkipIfRegistersNotEqual((), ()), //9xy0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |         SetI(u16),                       //Annn
[INFO] [stdout]    |         ---- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -         SetI(u16),                       //Annn
[INFO] [stdout] 22 +         SetI(()),                       //Annn
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |         SetI(u16),                       //Annn
[INFO] [stdout]    |         ---- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -         SetI(u16),                       //Annn
[INFO] [stdout] 22 +         SetI(()),                       //Annn
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |         JumpPlusV0(u16),                 //Bnnn
[INFO] [stdout]    |         ---------- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -         JumpPlusV0(u16),                 //Bnnn
[INFO] [stdout] 23 +         JumpPlusV0(()),                 //Bnnn
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |         JumpPlusV0(u16),                 //Bnnn
[INFO] [stdout]    |         ---------- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -         JumpPlusV0(u16),                 //Bnnn
[INFO] [stdout] 23 +         JumpPlusV0(()),                 //Bnnn
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         RandomByte(u8, u8),              //Cxkk
[INFO] [stdout]    |         ---------- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 24 -         RandomByte(u8, u8),              //Cxkk
[INFO] [stdout] 24 +         RandomByte((), ()),              //Cxkk
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/instructions.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         RandomByte(u8, u8),              //Cxkk
[INFO] [stdout]    |         ---------- ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 24 -         RandomByte(u8, u8),              //Cxkk
[INFO] [stdout] 24 +         RandomByte((), ()),              //Cxkk
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/instructions.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Draw(u8, u8, u8),                //Dxyn
[INFO] [stdout]    |         ---- ^^  ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 25 -         Draw(u8, u8, u8),                //Dxyn
[INFO] [stdout] 25 +         Draw((), (), ()),                //Dxyn
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/instructions.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Draw(u8, u8, u8),                //Dxyn
[INFO] [stdout]    |         ---- ^^  ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 25 -         Draw(u8, u8, u8),                //Dxyn
[INFO] [stdout] 25 +         Draw((), (), ()),                //Dxyn
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |         SkipIfKeyPressed(u8),            //Ex9E
[INFO] [stdout]    |         ---------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -         SkipIfKeyPressed(u8),            //Ex9E
[INFO] [stdout] 26 +         SkipIfKeyPressed(()),            //Ex9E
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |         SkipIfKeyPressed(u8),            //Ex9E
[INFO] [stdout]    |         ---------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -         SkipIfKeyPressed(u8),            //Ex9E
[INFO] [stdout] 26 +         SkipIfKeyPressed(()),            //Ex9E
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |         SkipIfKeyNotPressed(u8),         //ExA1
[INFO] [stdout]    |         ------------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -         SkipIfKeyNotPressed(u8),         //ExA1
[INFO] [stdout] 27 +         SkipIfKeyNotPressed(()),         //ExA1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |         SkipIfKeyNotPressed(u8),         //ExA1
[INFO] [stdout]    |         ------------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -         SkipIfKeyNotPressed(u8),         //ExA1
[INFO] [stdout] 27 +         SkipIfKeyNotPressed(()),         //ExA1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         StoreDelayTimer(u8),             //Fx07
[INFO] [stdout]    |         --------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -         StoreDelayTimer(u8),             //Fx07
[INFO] [stdout] 28 +         StoreDelayTimer(()),             //Fx07
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         StoreDelayTimer(u8),             //Fx07
[INFO] [stdout]    |         --------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -         StoreDelayTimer(u8),             //Fx07
[INFO] [stdout] 28 +         StoreDelayTimer(()),             //Fx07
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |         StoreInput(u8),                  //Fx0A
[INFO] [stdout]    |         ---------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -         StoreInput(u8),                  //Fx0A
[INFO] [stdout] 29 +         StoreInput(()),                  //Fx0A
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |         StoreInput(u8),                  //Fx0A
[INFO] [stdout]    |         ---------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -         StoreInput(u8),                  //Fx0A
[INFO] [stdout] 29 +         StoreInput(()),                  //Fx0A
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SetDelayTimer(u8),               //Fx15
[INFO] [stdout]    |         ------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -         SetDelayTimer(u8),               //Fx15
[INFO] [stdout] 30 +         SetDelayTimer(()),               //Fx15
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SetDelayTimer(u8),               //Fx15
[INFO] [stdout]    |         ------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -         SetDelayTimer(u8),               //Fx15
[INFO] [stdout] 30 +         SetDelayTimer(()),               //Fx15
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |         SetSoundTimer(u8),               //Fx18
[INFO] [stdout]    |         ------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -         SetSoundTimer(u8),               //Fx18
[INFO] [stdout] 31 +         SetSoundTimer(()),               //Fx18
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |         SetSoundTimer(u8),               //Fx18
[INFO] [stdout]    |         ------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -         SetSoundTimer(u8),               //Fx18
[INFO] [stdout] 31 +         SetSoundTimer(()),               //Fx18
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |         AddToI(u8),                      //Fx1E
[INFO] [stdout]    |         ------ ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 -         AddToI(u8),                      //Fx1E
[INFO] [stdout] 32 +         AddToI(()),                      //Fx1E
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |         AddToI(u8),                      //Fx1E
[INFO] [stdout]    |         ------ ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 -         AddToI(u8),                      //Fx1E
[INFO] [stdout] 32 +         AddToI(()),                      //Fx1E
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |         SetIToSpriteLocation(u8),        //Fx29
[INFO] [stdout]    |         -------------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -         SetIToSpriteLocation(u8),        //Fx29
[INFO] [stdout] 33 +         SetIToSpriteLocation(()),        //Fx29
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |         SetIToSpriteLocation(u8),        //Fx29
[INFO] [stdout]    |         -------------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -         SetIToSpriteLocation(u8),        //Fx29
[INFO] [stdout] 33 +         SetIToSpriteLocation(()),        //Fx29
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |         StoreBinaryCodedDecimal(u8),     //Fx33
[INFO] [stdout]    |         ----------------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -         StoreBinaryCodedDecimal(u8),     //Fx33
[INFO] [stdout] 34 +         StoreBinaryCodedDecimal(()),     //Fx33
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |         StoreBinaryCodedDecimal(u8),     //Fx33
[INFO] [stdout]    |         ----------------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -         StoreBinaryCodedDecimal(u8),     //Fx33
[INFO] [stdout] 34 +         StoreBinaryCodedDecimal(()),     //Fx33
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 |         StoreRegisters(u8),              //Fx55
[INFO] [stdout]    |         -------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 -         StoreRegisters(u8),              //Fx55
[INFO] [stdout] 35 +         StoreRegisters(()),              //Fx55
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 |         StoreRegisters(u8),              //Fx55
[INFO] [stdout]    |         -------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 -         StoreRegisters(u8),              //Fx55
[INFO] [stdout] 35 +         StoreRegisters(()),              //Fx55
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |         LoadRegisters(u8),               //Fx65
[INFO] [stdout]    |         ------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -         LoadRegisters(u8),               //Fx65
[INFO] [stdout] 36 +         LoadRegisters(()),               //Fx65
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |         LoadRegisters(u8),               //Fx65
[INFO] [stdout]    |         ------------- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -         LoadRegisters(u8),               //Fx65
[INFO] [stdout] 36 +         LoadRegisters(()),               //Fx65
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AddRegisters` is never constructed
[INFO] [stdout]   --> src/instructions.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 2  |     pub enum Instruction {
[INFO] [stdout]    |              ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |         AddRegisters(u8, u8),            //8xy4
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AddRegisters` is never constructed
[INFO] [stdout]   --> src/instructions.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 2  |     pub enum Instruction {
[INFO] [stdout]    |              ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |         AddRegisters(u8, u8),            //8xy4
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:39:40
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub struct InvalidInstructionError(u16);
[INFO] [stdout]    |                ----------------------- ^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:39:40
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub struct InvalidInstructionError(u16);
[INFO] [stdout]    |                ----------------------- ^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AddressErrorKind` is never used
[INFO] [stdout]  --> src/memory.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub enum AddressErrorKind {
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AddressErrorKind` is never used
[INFO] [stdout]  --> src/memory.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub enum AddressErrorKind {
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvalidAddressError` is never constructed
[INFO] [stdout]  --> src/memory.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub struct InvalidAddressError {
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvalidAddressError` is never constructed
[INFO] [stdout]  --> src/memory.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub struct InvalidAddressError {
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]   --> src/memory.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub struct Memory {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]   --> src/memory.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub struct Memory {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `wipe`, `read`, and `write` are never used
[INFO] [stdout]   --> src/memory.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     impl Memory {
[INFO] [stdout]    |     ----------- associated items in this implementation
[INFO] [stdout] 17 |         pub fn new() -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |         pub fn wipe(&mut self) {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |         pub fn read(&self, address: u16) -> Result<u16, InvalidAddressError> {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         pub fn write(&mut self, address: u16, value: u8) -> Result<(), InvalidAddressError> {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `wipe`, `read`, and `write` are never used
[INFO] [stdout]   --> src/memory.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     impl Memory {
[INFO] [stdout]    |     ----------- associated items in this implementation
[INFO] [stdout] 17 |         pub fn new() -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |         pub fn wipe(&mut self) {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |         pub fn read(&self, address: u16) -> Result<u16, InvalidAddressError> {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |         pub fn write(&mut self, address: u16, value: u8) -> Result<(), InvalidAddressError> {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "7aa363936816db399823bf8f9bb3a97f650acf0e95b96381103bdb112d283c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa363936816db399823bf8f9bb3a97f650acf0e95b96381103bdb112d283c70", kill_on_drop: false }`
[INFO] [stdout] 7aa363936816db399823bf8f9bb3a97f650acf0e95b96381103bdb112d283c70