[INFO] cloning repository https://github.com/GroobleDierne/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GroobleDierne/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGroobleDierne%2Fchip8", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca9d615f1b16c7b521754b6abce0e6f47ec56d0d
[INFO] linting GroobleDierne/chip8/ca9d615f1b16c7b521754b6abce0e6f47ec56d0d against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGroobleDierne%2Fchip8" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GroobleDierne/chip8
[INFO] finished tweaking git repo https://github.com/GroobleDierne/chip8
[INFO] tweaked toml for git repo https://github.com/GroobleDierne/chip8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GroobleDierne/chip8 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GroobleDierne/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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/chip8.rs:177:46
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 .copy_from_slice(&self.v[0..(x as usize + 1)]),
[INFO] [stdout]     |                                              ^^^^^^^^^^ help: try: `x`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/chip8.rs:179:42
[INFO] [stdout]     |
[INFO] [stdout] 179 |             (0xF, _, 6, 5) => self.v[0..(x as usize + 1)]
[INFO] [stdout]     |                                          ^^^^^^^^^^ help: try: `x`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `format!` in `println!` args
[INFO] [stdout]    --> src/chip8.rs:181:29
[INFO] [stdout]     |
[INFO] [stdout] 181 |             (_, _, _, _) => println!("Unhandled opcode {}", format!("{:X}", opcode)),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: combine the `format!(..)` arguments with the outer `println!(..)` call
[INFO] [stdout]     = help: or consider changing `format!` to `format_args!`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_in_format_args
[INFO] [stdout]     = note: `#[warn(clippy::format_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `sprite`
[INFO] [stdout]    --> src/chip8.rs:199:18
[INFO] [stdout]     |
[INFO] [stdout] 199 |         for j in 0..height as usize {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 199 -         for j in 0..height as usize {
[INFO] [stdout] 199 +         for (j, <item>) in sprite.iter().enumerate().take(height as usize) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/chip8.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 253 |     return cpu
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 253 -     return cpu
[INFO] [stdout] 253 +     cpu
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/decompiler.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     match file.write_all(instructions.join("\n").as_bytes()) {
[INFO] [stdout] 27 | |         Err(why) => panic!("couldn't write to file: {}", why),
[INFO] [stdout] 28 | |         Ok(_) => (),
[INFO] [stdout] 29 | |     };
[INFO] [stdout]    | |_____^ help: try: `if let Err(why) = file.write_all(instructions.join("\n").as_bytes()) { panic!("couldn't write to file: {}", why) }`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     return get_opcode_structure(opcode)
[INFO] [stdout] 41 | |         .replace("nnn", &nnn.to_string()[..])
[INFO] [stdout] 42 | |         .replace("kk", &kk.to_string()[..])
[INFO] [stdout] 43 | |         .replace("n", &n.to_string()[..])
[INFO] [stdout] 44 | |         .replace("x", &x.to_string()[..])
[INFO] [stdout] 45 | |         .replace("y", &y.to_string()[..]);
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 40 ~     get_opcode_structure(opcode)
[INFO] [stdout] 41 +         .replace("nnn", &nnn.to_string()[..])
[INFO] [stdout] 42 +         .replace("kk", &kk.to_string()[..])
[INFO] [stdout] 43 +         .replace("n", &n.to_string()[..])
[INFO] [stdout] 44 +         .replace("x", &x.to_string()[..])
[INFO] [stdout] 45 ~         .replace("y", &y.to_string()[..])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:55:27
[INFO] [stdout]    |
[INFO] [stdout] 55 |         (0, 0, 0xE, 0) => return "CLS".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 55 -         (0, 0, 0xE, 0) => return "CLS".to_string(),
[INFO] [stdout] 55 +         (0, 0, 0xE, 0) => "CLS".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |         (_, _, 0xE, 0xE) => return "RET".to_string(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 56 -         (_, _, 0xE, 0xE) => return "RET".to_string(),
[INFO] [stdout] 56 +         (_, _, 0xE, 0xE) => "RET".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         (1, _, _, _) => return "JP nnn".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         (1, _, _, _) => return "JP nnn".to_string(),
[INFO] [stdout] 57 +         (1, _, _, _) => "JP nnn".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |         (2, _, _, _) => return "CALL nnn".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         (2, _, _, _) => return "CALL nnn".to_string(),
[INFO] [stdout] 58 +         (2, _, _, _) => "CALL nnn".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |         (3, _, _, _) => return "SE Vx, kk".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 59 -         (3, _, _, _) => return "SE Vx, kk".to_string(),
[INFO] [stdout] 59 +         (3, _, _, _) => "SE Vx, kk".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |         (4, _, _, _) => return "SNE Vx, kk".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 60 -         (4, _, _, _) => return "SNE Vx, kk".to_string(),
[INFO] [stdout] 60 +         (4, _, _, _) => "SNE Vx, kk".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |         (5, _, _, 0) => return "SE Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 61 -         (5, _, _, 0) => return "SE Vx, Vy".to_string(),
[INFO] [stdout] 61 +         (5, _, _, 0) => "SE Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (6, _, _, _) => return "LD Vx, kk".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 62 -         (6, _, _, _) => return "LD Vx, kk".to_string(),
[INFO] [stdout] 62 +         (6, _, _, _) => "LD Vx, kk".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |         (7, _, _, _) => return "ADD Vx, kk".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 63 -         (7, _, _, _) => return "ADD Vx, kk".to_string(),
[INFO] [stdout] 63 +         (7, _, _, _) => "ADD Vx, kk".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 |         (8, _, _, 0) => return "LD Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 64 -         (8, _, _, 0) => return "LD Vx, Vy".to_string(),
[INFO] [stdout] 64 +         (8, _, _, 0) => "LD Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |         (8, _, _, 1) => return "OR Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 65 -         (8, _, _, 1) => return "OR Vx, Vy".to_string(),
[INFO] [stdout] 65 +         (8, _, _, 1) => "OR Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |         (8, _, _, 2) => return "AND Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 66 -         (8, _, _, 2) => return "AND Vx, Vy".to_string(),
[INFO] [stdout] 66 +         (8, _, _, 2) => "AND Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |         (8, _, _, 3) => return "XOR Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 67 -         (8, _, _, 3) => return "XOR Vx, Vy".to_string(),
[INFO] [stdout] 67 +         (8, _, _, 3) => "XOR Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |         (8, _, _, 4) => return "ADD Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 68 -         (8, _, _, 4) => return "ADD Vx, Vy".to_string(),
[INFO] [stdout] 68 +         (8, _, _, 4) => "ADD Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |         (8, _, _, 5) => return "SUB Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 69 -         (8, _, _, 5) => return "SUB Vx, Vy".to_string(),
[INFO] [stdout] 69 +         (8, _, _, 5) => "SUB Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |         (8, _, _, 6) => return "SHR Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 70 -         (8, _, _, 6) => return "SHR Vx, Vy".to_string(),
[INFO] [stdout] 70 +         (8, _, _, 6) => "SHR Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |         (8, _, _, 7) => return "SUBN Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 71 -         (8, _, _, 7) => return "SUBN Vx, Vy".to_string(),
[INFO] [stdout] 71 +         (8, _, _, 7) => "SUBN Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:72:27
[INFO] [stdout]    |
[INFO] [stdout] 72 |         (8, _, _, 0xE) => return "SHL Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 72 -         (8, _, _, 0xE) => return "SHL Vx".to_string(),
[INFO] [stdout] 72 +         (8, _, _, 0xE) => "SHL Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |         (9, _, _, 0) => return "SNE Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 73 -         (9, _, _, 0) => return "SNE Vx, Vy".to_string(),
[INFO] [stdout] 73 +         (9, _, _, 0) => "SNE Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:74:27
[INFO] [stdout]    |
[INFO] [stdout] 74 |         (0xA, _, _, _) => return "LD I, nnn".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 74 -         (0xA, _, _, _) => return "LD I, nnn".to_string(),
[INFO] [stdout] 74 +         (0xA, _, _, _) => "LD I, nnn".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |         (0xB, _, _, _) => return "JP V0, nnn".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 75 -         (0xB, _, _, _) => return "JP V0, nnn".to_string(),
[INFO] [stdout] 75 +         (0xB, _, _, _) => "JP V0, nnn".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |         (0xC, _, _, _) => return "RND Vx, kk".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 76 -         (0xC, _, _, _) => return "RND Vx, kk".to_string(),
[INFO] [stdout] 76 +         (0xC, _, _, _) => "RND Vx, kk".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (0xD, _, _, _) => return "DRW Vx, Vy, n".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 77 -         (0xD, _, _, _) => return "DRW Vx, Vy, n".to_string(),
[INFO] [stdout] 77 +         (0xD, _, _, _) => "DRW Vx, Vy, n".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:78:29
[INFO] [stdout]    |
[INFO] [stdout] 78 |         (0xE, _, 9, 0xE) => return "SKP Vx".to_string(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 78 -         (0xE, _, 9, 0xE) => return "SKP Vx".to_string(),
[INFO] [stdout] 78 +         (0xE, _, 9, 0xE) => "SKP Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:79:29
[INFO] [stdout]    |
[INFO] [stdout] 79 |         (0xE, _, 0xA, 1) => return "SKNP Vx".to_string(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 79 -         (0xE, _, 0xA, 1) => return "SKNP Vx".to_string(),
[INFO] [stdout] 79 +         (0xE, _, 0xA, 1) => "SKNP Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |         (0xF, _, 0, 7) => return "LD Vx, DT".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 80 -         (0xF, _, 0, 7) => return "LD Vx, DT".to_string(),
[INFO] [stdout] 80 +         (0xF, _, 0, 7) => "LD Vx, DT".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |         (0xF, _, 0, 0xA) => return "LD Vx, K".to_string(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 81 -         (0xF, _, 0, 0xA) => return "LD Vx, K".to_string(),
[INFO] [stdout] 81 +         (0xF, _, 0, 0xA) => "LD Vx, K".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |         (0xF, _, 1, 5) => return "LD DT, Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 82 -         (0xF, _, 1, 5) => return "LD DT, Vx".to_string(),
[INFO] [stdout] 82 +         (0xF, _, 1, 5) => "LD DT, Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |         (0xF, _, 1, 8) => return "LD ST, Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 83 -         (0xF, _, 1, 8) => return "LD ST, Vx".to_string(),
[INFO] [stdout] 83 +         (0xF, _, 1, 8) => "LD ST, Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/chip8.rs:177:46
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 .copy_from_slice(&self.v[0..(x as usize + 1)]),
[INFO] [stdout]     |                                              ^^^^^^^^^^ help: try: `x`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/chip8.rs:179:42
[INFO] [stdout]     |
[INFO] [stdout] 179 |             (0xF, _, 6, 5) => self.v[0..(x as usize + 1)]
[INFO] [stdout]     |                                          ^^^^^^^^^^ help: try: `x`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `format!` in `println!` args
[INFO] [stdout]    --> src/chip8.rs:181:29
[INFO] [stdout]     |
[INFO] [stdout] 181 |             (_, _, _, _) => println!("Unhandled opcode {}", format!("{:X}", opcode)),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: combine the `format!(..)` arguments with the outer `println!(..)` call
[INFO] [stdout]     = help: or consider changing `format!` to `format_args!`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_in_format_args
[INFO] [stdout]     = note: `#[warn(clippy::format_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |         (0xF, _, 1, 0xE) => return "ADD I, Vx".to_string(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 84 -         (0xF, _, 1, 0xE) => return "ADD I, Vx".to_string(),
[INFO] [stdout] 84 +         (0xF, _, 1, 0xE) => "ADD I, Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:85:27
[INFO] [stdout]    |
[INFO] [stdout] 85 |         (0xF, _, 2, 9) => return "LD F, Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 85 -         (0xF, _, 2, 9) => return "LD F, Vx".to_string(),
[INFO] [stdout] 85 +         (0xF, _, 2, 9) => "LD F, Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:86:27
[INFO] [stdout]    |
[INFO] [stdout] 86 |         (0xF, _, 3, 3) => return "LD B, Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 86 -         (0xF, _, 3, 3) => return "LD B, Vx".to_string(),
[INFO] [stdout] 86 +         (0xF, _, 3, 3) => "LD B, Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:87:27
[INFO] [stdout]    |
[INFO] [stdout] 87 |         (0xF, _, 5, 5) => return "LD [I], Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 87 -         (0xF, _, 5, 5) => return "LD [I], Vx".to_string(),
[INFO] [stdout] 87 +         (0xF, _, 5, 5) => "LD [I], Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:88:27
[INFO] [stdout]    |
[INFO] [stdout] 88 |         (0xF, _, 6, 5) => return "LD Vx, [I]".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 88 -         (0xF, _, 6, 5) => return "LD Vx, [I]".to_string(),
[INFO] [stdout] 88 +         (0xF, _, 6, 5) => "LD Vx, [I]".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |         (_, _, _, _) => return format!("{:X}", opcode),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 89 -         (_, _, _, _) => return format!("{:X}", opcode),
[INFO] [stdout] 89 +         (_, _, _, _) => format!("{:X}", opcode),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `sprite`
[INFO] [stdout]    --> src/chip8.rs:199:18
[INFO] [stdout]     |
[INFO] [stdout] 199 |         for j in 0..height as usize {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 199 -         for j in 0..height as usize {
[INFO] [stdout] 199 +         for (j, <item>) in sprite.iter().enumerate().take(height as usize) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()`
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         window.get_keys().map(|keys| {
[INFO] [stdout] 44 | |             cpu.keys = [false;16];
[INFO] [stdout] 45 | |             for t in keys {
[INFO] [stdout] 46 | |                 match t {
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stdout]    = note: `#[warn(clippy::option_map_unit_fn)]` on by default
[INFO] [stdout] help: use `if let` instead
[INFO] [stdout]    |
[INFO] [stdout] 43 -         window.get_keys().map(|keys| {
[INFO] [stdout] 44 -             cpu.keys = [false;16];
[INFO] [stdout] 45 -             for t in keys {
[INFO] [stdout] 46 -                 match t {
[INFO] [stdout] 47 -                     Key::Key1 => cpu.keys[0x1] = true,
[INFO] [stdout] 48 -                     Key::Key2 => cpu.keys[0x2] = true,
[INFO] [stdout] 49 -                     Key::Key3 => cpu.keys[0x3] = true,
[INFO] [stdout] 50 -                     Key::Key4 => cpu.keys[0xc] = true,
[INFO] [stdout] 51 -                     Key::A => cpu.keys[0x4] = true,
[INFO] [stdout] 52 -                     Key::Z => cpu.keys[0x5] = true,
[INFO] [stdout] 53 -                     Key::E => cpu.keys[0x6] = true,
[INFO] [stdout] 54 -                     Key::R => cpu.keys[0xd] = true,
[INFO] [stdout] 55 -                     Key::Q => cpu.keys[0x7] = true,
[INFO] [stdout] 56 -                     Key::S => cpu.keys[0x8] = true,
[INFO] [stdout] 57 -                     Key::D => cpu.keys[0x9] = true,
[INFO] [stdout] 58 -                     Key::F => cpu.keys[0xe] = true,
[INFO] [stdout] 59 -                     Key::W => cpu.keys[0xa] = true,
[INFO] [stdout] 60 -                     Key::X => cpu.keys[0x0] = true,
[INFO] [stdout] 61 -                     Key::C => cpu.keys[0xb] = true,
[INFO] [stdout] 62 -                     Key::V => cpu.keys[0xf] = true,
[INFO] [stdout] 63 -                     _ => (),
[INFO] [stdout] 64 -                 }
[INFO] [stdout] 65 -             }
[INFO] [stdout] 66 -         });
[INFO] [stdout] 43 +         if let Some(keys) = window.get_keys() { ... }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/chip8.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 253 |     return cpu
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 253 -     return cpu
[INFO] [stdout] 253 +     cpu
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/decompiler.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     match file.write_all(instructions.join("\n").as_bytes()) {
[INFO] [stdout] 27 | |         Err(why) => panic!("couldn't write to file: {}", why),
[INFO] [stdout] 28 | |         Ok(_) => (),
[INFO] [stdout] 29 | |     };
[INFO] [stdout]    | |_____^ help: try: `if let Err(why) = file.write_all(instructions.join("\n").as_bytes()) { panic!("couldn't write to file: {}", why) }`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     return get_opcode_structure(opcode)
[INFO] [stdout] 41 | |         .replace("nnn", &nnn.to_string()[..])
[INFO] [stdout] 42 | |         .replace("kk", &kk.to_string()[..])
[INFO] [stdout] 43 | |         .replace("n", &n.to_string()[..])
[INFO] [stdout] 44 | |         .replace("x", &x.to_string()[..])
[INFO] [stdout] 45 | |         .replace("y", &y.to_string()[..]);
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 40 ~     get_opcode_structure(opcode)
[INFO] [stdout] 41 +         .replace("nnn", &nnn.to_string()[..])
[INFO] [stdout] 42 +         .replace("kk", &kk.to_string()[..])
[INFO] [stdout] 43 +         .replace("n", &n.to_string()[..])
[INFO] [stdout] 44 +         .replace("x", &x.to_string()[..])
[INFO] [stdout] 45 ~         .replace("y", &y.to_string()[..])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:55:27
[INFO] [stdout]    |
[INFO] [stdout] 55 |         (0, 0, 0xE, 0) => return "CLS".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 55 -         (0, 0, 0xE, 0) => return "CLS".to_string(),
[INFO] [stdout] 55 +         (0, 0, 0xE, 0) => "CLS".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |         (_, _, 0xE, 0xE) => return "RET".to_string(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 56 -         (_, _, 0xE, 0xE) => return "RET".to_string(),
[INFO] [stdout] 56 +         (_, _, 0xE, 0xE) => "RET".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         (1, _, _, _) => return "JP nnn".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         (1, _, _, _) => return "JP nnn".to_string(),
[INFO] [stdout] 57 +         (1, _, _, _) => "JP nnn".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |         (2, _, _, _) => return "CALL nnn".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         (2, _, _, _) => return "CALL nnn".to_string(),
[INFO] [stdout] 58 +         (2, _, _, _) => "CALL nnn".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |         (3, _, _, _) => return "SE Vx, kk".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 59 -         (3, _, _, _) => return "SE Vx, kk".to_string(),
[INFO] [stdout] 59 +         (3, _, _, _) => "SE Vx, kk".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |         (4, _, _, _) => return "SNE Vx, kk".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 60 -         (4, _, _, _) => return "SNE Vx, kk".to_string(),
[INFO] [stdout] 60 +         (4, _, _, _) => "SNE Vx, kk".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |         (5, _, _, 0) => return "SE Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 61 -         (5, _, _, 0) => return "SE Vx, Vy".to_string(),
[INFO] [stdout] 61 +         (5, _, _, 0) => "SE Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (6, _, _, _) => return "LD Vx, kk".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 62 -         (6, _, _, _) => return "LD Vx, kk".to_string(),
[INFO] [stdout] 62 +         (6, _, _, _) => "LD Vx, kk".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |         (7, _, _, _) => return "ADD Vx, kk".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 63 -         (7, _, _, _) => return "ADD Vx, kk".to_string(),
[INFO] [stdout] 63 +         (7, _, _, _) => "ADD Vx, kk".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 |         (8, _, _, 0) => return "LD Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 64 -         (8, _, _, 0) => return "LD Vx, Vy".to_string(),
[INFO] [stdout] 64 +         (8, _, _, 0) => "LD Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |         (8, _, _, 1) => return "OR Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 65 -         (8, _, _, 1) => return "OR Vx, Vy".to_string(),
[INFO] [stdout] 65 +         (8, _, _, 1) => "OR Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |         (8, _, _, 2) => return "AND Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 66 -         (8, _, _, 2) => return "AND Vx, Vy".to_string(),
[INFO] [stdout] 66 +         (8, _, _, 2) => "AND Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |         (8, _, _, 3) => return "XOR Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 67 -         (8, _, _, 3) => return "XOR Vx, Vy".to_string(),
[INFO] [stdout] 67 +         (8, _, _, 3) => "XOR Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |         (8, _, _, 4) => return "ADD Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 68 -         (8, _, _, 4) => return "ADD Vx, Vy".to_string(),
[INFO] [stdout] 68 +         (8, _, _, 4) => "ADD Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |         (8, _, _, 5) => return "SUB Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 69 -         (8, _, _, 5) => return "SUB Vx, Vy".to_string(),
[INFO] [stdout] 69 +         (8, _, _, 5) => "SUB Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |         (8, _, _, 6) => return "SHR Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 70 -         (8, _, _, 6) => return "SHR Vx, Vy".to_string(),
[INFO] [stdout] 70 +         (8, _, _, 6) => "SHR Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |         (8, _, _, 7) => return "SUBN Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 71 -         (8, _, _, 7) => return "SUBN Vx, Vy".to_string(),
[INFO] [stdout] 71 +         (8, _, _, 7) => "SUBN Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:72:27
[INFO] [stdout]    |
[INFO] [stdout] 72 |         (8, _, _, 0xE) => return "SHL Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 72 -         (8, _, _, 0xE) => return "SHL Vx".to_string(),
[INFO] [stdout] 72 +         (8, _, _, 0xE) => "SHL Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |         (9, _, _, 0) => return "SNE Vx, Vy".to_string(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 73 -         (9, _, _, 0) => return "SNE Vx, Vy".to_string(),
[INFO] [stdout] 73 +         (9, _, _, 0) => "SNE Vx, Vy".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:74:27
[INFO] [stdout]    |
[INFO] [stdout] 74 |         (0xA, _, _, _) => return "LD I, nnn".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 74 -         (0xA, _, _, _) => return "LD I, nnn".to_string(),
[INFO] [stdout] 74 +         (0xA, _, _, _) => "LD I, nnn".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |         (0xB, _, _, _) => return "JP V0, nnn".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 75 -         (0xB, _, _, _) => return "JP V0, nnn".to_string(),
[INFO] [stdout] 75 +         (0xB, _, _, _) => "JP V0, nnn".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |         (0xC, _, _, _) => return "RND Vx, kk".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 76 -         (0xC, _, _, _) => return "RND Vx, kk".to_string(),
[INFO] [stdout] 76 +         (0xC, _, _, _) => "RND Vx, kk".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (0xD, _, _, _) => return "DRW Vx, Vy, n".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 77 -         (0xD, _, _, _) => return "DRW Vx, Vy, n".to_string(),
[INFO] [stdout] 77 +         (0xD, _, _, _) => "DRW Vx, Vy, n".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:78:29
[INFO] [stdout]    |
[INFO] [stdout] 78 |         (0xE, _, 9, 0xE) => return "SKP Vx".to_string(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 78 -         (0xE, _, 9, 0xE) => return "SKP Vx".to_string(),
[INFO] [stdout] 78 +         (0xE, _, 9, 0xE) => "SKP Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:79:29
[INFO] [stdout]    |
[INFO] [stdout] 79 |         (0xE, _, 0xA, 1) => return "SKNP Vx".to_string(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 79 -         (0xE, _, 0xA, 1) => return "SKNP Vx".to_string(),
[INFO] [stdout] 79 +         (0xE, _, 0xA, 1) => "SKNP Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |         (0xF, _, 0, 7) => return "LD Vx, DT".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 80 -         (0xF, _, 0, 7) => return "LD Vx, DT".to_string(),
[INFO] [stdout] 80 +         (0xF, _, 0, 7) => "LD Vx, DT".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |         (0xF, _, 0, 0xA) => return "LD Vx, K".to_string(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 81 -         (0xF, _, 0, 0xA) => return "LD Vx, K".to_string(),
[INFO] [stdout] 81 +         (0xF, _, 0, 0xA) => "LD Vx, K".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |         (0xF, _, 1, 5) => return "LD DT, Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 82 -         (0xF, _, 1, 5) => return "LD DT, Vx".to_string(),
[INFO] [stdout] 82 +         (0xF, _, 1, 5) => "LD DT, Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |         (0xF, _, 1, 8) => return "LD ST, Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 83 -         (0xF, _, 1, 8) => return "LD ST, Vx".to_string(),
[INFO] [stdout] 83 +         (0xF, _, 1, 8) => "LD ST, Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |         (0xF, _, 1, 0xE) => return "ADD I, Vx".to_string(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 84 -         (0xF, _, 1, 0xE) => return "ADD I, Vx".to_string(),
[INFO] [stdout] 84 +         (0xF, _, 1, 0xE) => "ADD I, Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:85:27
[INFO] [stdout]    |
[INFO] [stdout] 85 |         (0xF, _, 2, 9) => return "LD F, Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 85 -         (0xF, _, 2, 9) => return "LD F, Vx".to_string(),
[INFO] [stdout] 85 +         (0xF, _, 2, 9) => "LD F, Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:86:27
[INFO] [stdout]    |
[INFO] [stdout] 86 |         (0xF, _, 3, 3) => return "LD B, Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 86 -         (0xF, _, 3, 3) => return "LD B, Vx".to_string(),
[INFO] [stdout] 86 +         (0xF, _, 3, 3) => "LD B, Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:87:27
[INFO] [stdout]    |
[INFO] [stdout] 87 |         (0xF, _, 5, 5) => return "LD [I], Vx".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 87 -         (0xF, _, 5, 5) => return "LD [I], Vx".to_string(),
[INFO] [stdout] 87 +         (0xF, _, 5, 5) => "LD [I], Vx".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:88:27
[INFO] [stdout]    |
[INFO] [stdout] 88 |         (0xF, _, 6, 5) => return "LD Vx, [I]".to_string(),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 88 -         (0xF, _, 6, 5) => return "LD Vx, [I]".to_string(),
[INFO] [stdout] 88 +         (0xF, _, 6, 5) => "LD Vx, [I]".to_string(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/decompiler.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |         (_, _, _, _) => return format!("{:X}", opcode),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 89 -         (_, _, _, _) => return format!("{:X}", opcode),
[INFO] [stdout] 89 +         (_, _, _, _) => format!("{:X}", opcode),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()`
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         window.get_keys().map(|keys| {
[INFO] [stdout] 44 | |             cpu.keys = [false;16];
[INFO] [stdout] 45 | |             for t in keys {
[INFO] [stdout] 46 | |                 match t {
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stdout]    = note: `#[warn(clippy::option_map_unit_fn)]` on by default
[INFO] [stdout] help: use `if let` instead
[INFO] [stdout]    |
[INFO] [stdout] 43 -         window.get_keys().map(|keys| {
[INFO] [stdout] 44 -             cpu.keys = [false;16];
[INFO] [stdout] 45 -             for t in keys {
[INFO] [stdout] 46 -                 match t {
[INFO] [stdout] 47 -                     Key::Key1 => cpu.keys[0x1] = true,
[INFO] [stdout] 48 -                     Key::Key2 => cpu.keys[0x2] = true,
[INFO] [stdout] 49 -                     Key::Key3 => cpu.keys[0x3] = true,
[INFO] [stdout] 50 -                     Key::Key4 => cpu.keys[0xc] = true,
[INFO] [stdout] 51 -                     Key::A => cpu.keys[0x4] = true,
[INFO] [stdout] 52 -                     Key::Z => cpu.keys[0x5] = true,
[INFO] [stdout] 53 -                     Key::E => cpu.keys[0x6] = true,
[INFO] [stdout] 54 -                     Key::R => cpu.keys[0xd] = true,
[INFO] [stdout] 55 -                     Key::Q => cpu.keys[0x7] = true,
[INFO] [stdout] 56 -                     Key::S => cpu.keys[0x8] = true,
[INFO] [stdout] 57 -                     Key::D => cpu.keys[0x9] = true,
[INFO] [stdout] 58 -                     Key::F => cpu.keys[0xe] = true,
[INFO] [stdout] 59 -                     Key::W => cpu.keys[0xa] = true,
[INFO] [stdout] 60 -                     Key::X => cpu.keys[0x0] = true,
[INFO] [stdout] 61 -                     Key::C => cpu.keys[0xb] = true,
[INFO] [stdout] 62 -                     Key::V => cpu.keys[0xf] = true,
[INFO] [stdout] 63 -                     _ => (),
[INFO] [stdout] 64 -                 }
[INFO] [stdout] 65 -             }
[INFO] [stdout] 66 -         });
[INFO] [stdout] 43 +         if let Some(keys) = window.get_keys() { ... }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c6119d0c62bf0de16527134448d9f70b591ccebd679074892eb24bab326ad2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6119d0c62bf0de16527134448d9f70b591ccebd679074892eb24bab326ad2f8", kill_on_drop: false }`
[INFO] [stdout] c6119d0c62bf0de16527134448d9f70b591ccebd679074892eb24bab326ad2f8