[INFO] cloning repository https://github.com/Ecnavda/opcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ecnavda/opcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEcnavda%2Fopcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEcnavda%2Fopcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ed14b71318189721f1560b8c2b52fc31e3798f7
[INFO] checking Ecnavda/opcode against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEcnavda%2Fopcode" "/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/Ecnavda/opcode
[INFO] finished tweaking git repo https://github.com/Ecnavda/opcode
[INFO] tweaked toml for git repo https://github.com/Ecnavda/opcode written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ecnavda/opcode on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ecnavda/opcode 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" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 71604e85719fe2effb1a5c6eee0a6e2dfa390d9b20537a1b98ac81b00634bff7
[INFO] running `Command { std: "docker" "start" "71604e85719fe2effb1a5c6eee0a6e2dfa390d9b20537a1b98ac81b00634bff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "71604e85719fe2effb1a5c6eee0a6e2dfa390d9b20537a1b98ac81b00634bff7" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71604e85719fe2effb1a5c6eee0a6e2dfa390d9b20537a1b98ac81b00634bff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "71604e85719fe2effb1a5c6eee0a6e2dfa390d9b20537a1b98ac81b00634bff7" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking opcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Target_Register` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Target_Register {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TargetRegister`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Target_Register` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Target_Register {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TargetRegister`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             _ => eprintln!("Unexpected instruction. Last instruction received: {:?}", instruction),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             Instruction::NOP => (),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 265 |             Instruction::_Call { address: a } => self._Call(a),
[INFO] [stdout]     |             --------------------------------- matches some of the same values
[INFO] [stdout] 266 |             Instruction::Display => self.Display(),
[INFO] [stdout]     |             -------------------- matches some of the same values
[INFO] [stdout] 267 |             Instruction::Return => self.Return(),
[INFO] [stdout]     |             ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 300 |             _ => eprintln!("Unexpected instruction. Last instruction received: {:?}", instruction),
[INFO] [stdout]     |             ^ ...and 32 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/main.rs:304:25
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn _Call(&mut self, address: u16) {
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:962:25
[INFO] [stdout]     |
[INFO] [stdout] 962 |     fn SHFTR(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:962:53
[INFO] [stdout]     |
[INFO] [stdout] 962 |     fn SHFTR(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:967:24
[INFO] [stdout]     |
[INFO] [stdout] 967 |     fn SUBY(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:967:52
[INFO] [stdout]     |
[INFO] [stdout] 967 |     fn SUBY(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:972:25
[INFO] [stdout]     |
[INFO] [stdout] 972 |     fn SHFTL(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:972:53
[INFO] [stdout]     |
[INFO] [stdout] 972 |     fn SHFTL(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]     --> src/main.rs:1035:24
[INFO] [stdout]      |
[INFO] [stdout] 1035 |     fn JMP0(&mut self, address: u16) {
[INFO] [stdout]      |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]     --> src/main.rs:1048:24
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]     --> src/main.rs:1048:52
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]     --> src/main.rs:1048:80
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1053:25
[INFO] [stdout]      |
[INFO] [stdout] 1053 |     fn SKKEQ(&mut self, register: Target_Register) {
[INFO] [stdout]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1058:26
[INFO] [stdout]      |
[INFO] [stdout] 1058 |     fn SKKNEQ(&mut self, register: Target_Register) {
[INFO] [stdout]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1087:25
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn STORE(&mut self, register: Target_Register) {
[INFO] [stdout]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1164:26
[INFO] [stdout]      |
[INFO] [stdout] 1164 |     fn SPRITE(&mut self, register: Target_Register) {
[INFO] [stdout]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1169:23
[INFO] [stdout]      |
[INFO] [stdout] 1169 |     fn BCD(&mut self, register: Target_Register) {
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1174:24
[INFO] [stdout]      |
[INFO] [stdout] 1174 |     fn DUMP(&mut self, register: Target_Register) {
[INFO] [stdout]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1179:24
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     fn LOAD(&mut self, register: Target_Register) {
[INFO] [stdout]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1196:12
[INFO] [stdout]      |
[INFO] [stdout] 1196 |         Ok(x) => {
[INFO] [stdout]      |            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1197:23
[INFO] [stdout]      |
[INFO] [stdout] 1197 |             if let Ok(x) = chip8.load_rom(&input) {
[INFO] [stdout]      |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/main.rs:1204:13
[INFO] [stdout]      |
[INFO] [stdout] 1204 |         Err(e) => eprintln!("Something went wrong with your input. Please try again."),
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             _ => eprintln!("Unexpected instruction. Last instruction received: {:?}", instruction),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             Instruction::NOP => (),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 265 |             Instruction::_Call { address: a } => self._Call(a),
[INFO] [stdout]     |             --------------------------------- matches some of the same values
[INFO] [stdout] 266 |             Instruction::Display => self.Display(),
[INFO] [stdout]     |             -------------------- matches some of the same values
[INFO] [stdout] 267 |             Instruction::Return => self.Return(),
[INFO] [stdout]     |             ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 300 |             _ => eprintln!("Unexpected instruction. Last instruction received: {:?}", instruction),
[INFO] [stdout]     |             ^ ...and 32 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/main.rs:304:25
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn _Call(&mut self, address: u16) {
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:962:25
[INFO] [stdout]     |
[INFO] [stdout] 962 |     fn SHFTR(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:962:53
[INFO] [stdout]     |
[INFO] [stdout] 962 |     fn SHFTR(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:967:24
[INFO] [stdout]     |
[INFO] [stdout] 967 |     fn SUBY(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:967:52
[INFO] [stdout]     |
[INFO] [stdout] 967 |     fn SUBY(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:972:25
[INFO] [stdout]     |
[INFO] [stdout] 972 |     fn SHFTL(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:972:53
[INFO] [stdout]     |
[INFO] [stdout] 972 |     fn SHFTL(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]     --> src/main.rs:1035:24
[INFO] [stdout]      |
[INFO] [stdout] 1035 |     fn JMP0(&mut self, address: u16) {
[INFO] [stdout]      |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]     --> src/main.rs:1048:24
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]     --> src/main.rs:1048:52
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]     --> src/main.rs:1048:80
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1053:25
[INFO] [stdout]      |
[INFO] [stdout] 1053 |     fn SKKEQ(&mut self, register: Target_Register) {
[INFO] [stdout]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1058:26
[INFO] [stdout]      |
[INFO] [stdout] 1058 |     fn SKKNEQ(&mut self, register: Target_Register) {
[INFO] [stdout]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1087:25
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn STORE(&mut self, register: Target_Register) {
[INFO] [stdout]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1164:26
[INFO] [stdout]      |
[INFO] [stdout] 1164 |     fn SPRITE(&mut self, register: Target_Register) {
[INFO] [stdout]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1169:23
[INFO] [stdout]      |
[INFO] [stdout] 1169 |     fn BCD(&mut self, register: Target_Register) {
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1174:24
[INFO] [stdout]      |
[INFO] [stdout] 1174 |     fn DUMP(&mut self, register: Target_Register) {
[INFO] [stdout]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1179:24
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     fn LOAD(&mut self, register: Target_Register) {
[INFO] [stdout]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1196:12
[INFO] [stdout]      |
[INFO] [stdout] 1196 |         Ok(x) => {
[INFO] [stdout]      |            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1197:23
[INFO] [stdout]      |
[INFO] [stdout] 1197 |             if let Ok(x) = chip8.load_rom(&input) {
[INFO] [stdout]      |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/main.rs:1204:13
[INFO] [stdout]      |
[INFO] [stdout] 1204 |         Err(e) => eprintln!("Something went wrong with your input. Please try again."),
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "71604e85719fe2effb1a5c6eee0a6e2dfa390d9b20537a1b98ac81b00634bff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71604e85719fe2effb1a5c6eee0a6e2dfa390d9b20537a1b98ac81b00634bff7", kill_on_drop: false }`
[INFO] [stdout] 71604e85719fe2effb1a5c6eee0a6e2dfa390d9b20537a1b98ac81b00634bff7
