[INFO] updating cached repository hfcredidio/chip8rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hfcredidio/chip8rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hfcredidio/chip8rs" "work/ex/clippy-test-run/sources/stable/gh/hfcredidio/chip8rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/hfcredidio/chip8rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hfcredidio/chip8rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hfcredidio/chip8rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hfcredidio/chip8rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c63136ba8d45a6c4bc689b0bb3a95cbb36632422
[INFO] sha for GitHub repo hfcredidio/chip8rs: c63136ba8d45a6c4bc689b0bb3a95cbb36632422
[INFO] validating manifest of hfcredidio/chip8rs on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hfcredidio/chip8rs on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hfcredidio/chip8rs
[INFO] finished frobbing hfcredidio/chip8rs
[INFO] frobbed toml for hfcredidio/chip8rs written to work/ex/clippy-test-run/sources/stable/gh/hfcredidio/chip8rs/Cargo.toml
[INFO] started frobbing hfcredidio/chip8rs
[INFO] finished frobbing hfcredidio/chip8rs
[INFO] frobbed toml for hfcredidio/chip8rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hfcredidio/chip8rs/Cargo.toml
[INFO] crate hfcredidio/chip8rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting hfcredidio/chip8rs against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hfcredidio/chip8rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 82985951d1078c022851bc49e28a4c9426b545f94265f18de784e608178a9845
[INFO] running `"docker" "start" "-a" "82985951d1078c022851bc49e28a4c9426b545f94265f18de784e608178a9845"`
[INFO] [stderr]     Checking chip8rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/cpu.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 |     fmt
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/cpu.rs:290:15
[INFO] [stderr]     |
[INFO] [stderr] 290 |       let fmt = match (c, Vx, Vy, nibble) {
[INFO] [stderr]     |  _______________^
[INFO] [stderr] 291 | |         (0x0, 0x0, 0xE, 0x0) => "CLS".to_string(),
[INFO] [stderr] 292 | |         (0x0, 0x0, 0xE, 0xE) => "RET".to_string(),
[INFO] [stderr] 293 | |         (0x0,   _,   _,   _) => format!("SYS\t{:X}", addr),
[INFO] [stderr] ...   |
[INFO] [stderr] 326 | |         (  _,   _,   _,   _) => format!("SYS\t{:X}", addr),
[INFO] [stderr] 327 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/cpu.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 |     fmt
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/cpu.rs:290:15
[INFO] [stderr]     |
[INFO] [stderr] 290 |       let fmt = match (c, Vx, Vy, nibble) {
[INFO] [stderr]     |  _______________^
[INFO] [stderr] 291 | |         (0x0, 0x0, 0xE, 0x0) => "CLS".to_string(),
[INFO] [stderr] 292 | |         (0x0, 0x0, 0xE, 0xE) => "RET".to_string(),
[INFO] [stderr] 293 | |         (0x0,   _,   _,   _) => format!("SYS\t{:X}", addr),
[INFO] [stderr] ...   |
[INFO] [stderr] 326 | |         (  _,   _,   _,   _) => format!("SYS\t{:X}", addr),
[INFO] [stderr] 327 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/cpu.rs:109:19
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn SYS(&self, addr: u16) {}
[INFO] [stderr]     |                   ^^^^ help: consider using `_addr` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:218:23
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn DRW(&mut self, x: u8, y: u8, nibble: u8) {
[INFO] [stderr]     |                       ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/cpu.rs:218:30
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn DRW(&mut self, x: u8, y: u8, nibble: u8) {
[INFO] [stderr]     |                              ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nibble`
[INFO] [stderr]    --> src/cpu.rs:218:37
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn DRW(&mut self, x: u8, y: u8, nibble: u8) {
[INFO] [stderr]     |                                     ^^^^^^ help: consider using `_nibble` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:221:23
[INFO] [stderr]     |
[INFO] [stderr] 221 |     fn SKP(&mut self, x: u8) {
[INFO] [stderr]     |                       ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:224:24
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn SKNP(&mut self, x: u8) {
[INFO] [stderr]     |                        ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:231:23
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn LDK(&mut self, x: u8) {
[INFO] [stderr]     |                       ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:243:23
[INFO] [stderr]     |
[INFO] [stderr] 243 |     fn LDD(&mut self, x: u8) {
[INFO] [stderr]     |                       ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/cpu.rs:109:19
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn SYS(&self, addr: u16) {}
[INFO] [stderr]     |                   ^^^^ help: consider using `_addr` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:218:23
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn DRW(&mut self, x: u8, y: u8, nibble: u8) {
[INFO] [stderr]     |                       ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/cpu.rs:218:30
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn DRW(&mut self, x: u8, y: u8, nibble: u8) {
[INFO] [stderr]     |                              ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nibble`
[INFO] [stderr]    --> src/cpu.rs:218:37
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn DRW(&mut self, x: u8, y: u8, nibble: u8) {
[INFO] [stderr]     |                                     ^^^^^^ help: consider using `_nibble` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:221:23
[INFO] [stderr]     |
[INFO] [stderr] 221 |     fn SKP(&mut self, x: u8) {
[INFO] [stderr]     |                       ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:224:24
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn SKNP(&mut self, x: u8) {
[INFO] [stderr]     |                        ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:231:23
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn LDK(&mut self, x: u8) {
[INFO] [stderr]     |                       ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:243:23
[INFO] [stderr]     |
[INFO] [stderr] 243 |     fn LDD(&mut self, x: u8) {
[INFO] [stderr]     |                       ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/cpu.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         (n1 as u16) << 8 | n2 as u16
[INFO] [stderr]    |         ^^^^^^^^^^^ help: try: `u16::from(n1)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/cpu.rs:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |         (n1 as u16) << 8 | n2 as u16
[INFO] [stderr]    |                            ^^^^^^^^^ help: try: `u16::from(n2)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `buf`
[INFO] [stderr]   --> src/cpu.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in 0..size {
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for (i, <item>) in buf.iter().enumerate().take(size) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/cpu.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in 0..size {
[INFO] [stderr]    |                  ^^^^^^^ help: try replacing the loop by: `self.ram[512..(size + 512)].clone_from_slice(&buf[..size])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/cpu.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let opcode = (self.read_memory(self.pc) as u16) << 8 | self.read_memory(self.pc + 1) as u16;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.read_memory(self.pc))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/cpu.rs:55:64
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let opcode = (self.read_memory(self.pc) as u16) << 8 | self.read_memory(self.pc + 1) as u16;
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.read_memory(self.pc + 1))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Vx` should have a snake case name such as `vx`
[INFO] [stderr]   --> src/cpu.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let (c, Vx, Vy, nibble) = word_to_nibbles(word);
[INFO] [stderr]    |                 ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Vy` should have a snake case name such as `vy`
[INFO] [stderr]   --> src/cpu.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let (c, Vx, Vy, nibble) = word_to_nibbles(word);
[INFO] [stderr]    |                     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SYS` should have a snake case name such as `sys`
[INFO] [stderr]    --> src/cpu.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn SYS(&self, addr: u16) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `CLS` should have a snake case name such as `cls`
[INFO] [stderr]    --> src/cpu.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn CLS(&self) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `RET` should have a snake case name such as `ret`
[INFO] [stderr]    --> src/cpu.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 | /     fn RET(&mut self) {
[INFO] [stderr] 112 | |         self.pc = self.pop_stack();
[INFO] [stderr] 113 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `JP` should have a snake case name such as `jp`
[INFO] [stderr]    --> src/cpu.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 | /     fn JP(&mut self, addr: u16) {
[INFO] [stderr] 115 | |         self.pc = addr - 2;
[INFO] [stderr] 116 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `CALL` should have a snake case name such as `call`
[INFO] [stderr]    --> src/cpu.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     fn CALL(&mut self, addr: u16) {
[INFO] [stderr] 118 | |         let pc = self.pc;
[INFO] [stderr] 119 | |         self.push_stack(pc);
[INFO] [stderr] 120 | |         self.pc = addr - 2;
[INFO] [stderr] 121 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SE` should have a snake case name such as `se`
[INFO] [stderr]    --> src/cpu.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 | /     fn SE(&mut self, x: u8, byte: u8) {
[INFO] [stderr] 123 | |         let xval = self.read_register(x);
[INFO] [stderr] 124 | |         if xval == byte {
[INFO] [stderr] 125 | |             self.pc += 2;
[INFO] [stderr] 126 | |         }
[INFO] [stderr] 127 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SNE` should have a snake case name such as `sne`
[INFO] [stderr]    --> src/cpu.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 | /     fn SNE(&mut self, x: u8, byte: u8) {
[INFO] [stderr] 129 | |         let xval = self.read_register(x);
[INFO] [stderr] 130 | |         if xval != byte {
[INFO] [stderr] 131 | |             self.pc += 2;
[INFO] [stderr] 132 | |         }
[INFO] [stderr] 133 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SE2` should have a snake case name such as `se2`
[INFO] [stderr]    --> src/cpu.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 | /     fn SE2(&mut self, x: u8, y: u8) {
[INFO] [stderr] 135 | |         let xval = self.read_register(x);
[INFO] [stderr] 136 | |         let yval = self.read_register(y);
[INFO] [stderr] 137 | |         if xval == yval {
[INFO] [stderr] 138 | |             self.pc += 2;
[INFO] [stderr] 139 | |         }
[INFO] [stderr] 140 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LD` should have a snake case name such as `ld`
[INFO] [stderr]    --> src/cpu.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 | /     fn LD(&mut self, x: u8, byte: u8) {
[INFO] [stderr] 142 | |         self.write_register(x, byte);
[INFO] [stderr] 143 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `ADD` should have a snake case name such as `add`
[INFO] [stderr]    --> src/cpu.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 | /     fn ADD(&mut self, x: u8, byte: u8) {
[INFO] [stderr] 145 | |         let xval = self.read_register(x);
[INFO] [stderr] 146 | |         self.write_register(x, xval + byte);
[INFO] [stderr] 147 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LD2` should have a snake case name such as `ld2`
[INFO] [stderr]    --> src/cpu.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 | /     fn LD2(&mut self, x: u8, y: u8) {
[INFO] [stderr] 149 | |         let yval = self.read_register(y);
[INFO] [stderr] 150 | |         self.write_register(x, yval);
[INFO] [stderr] 151 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `OR` should have a snake case name such as `or`
[INFO] [stderr]    --> src/cpu.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 | /     fn OR(&mut self, x: u8, y: u8) {
[INFO] [stderr] 153 | |         let xval = self.read_register(x);
[INFO] [stderr] 154 | |         let yval = self.read_register(y);
[INFO] [stderr] 155 | |         self.write_register(x, xval | yval);
[INFO] [stderr] 156 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `AND` should have a snake case name such as `and`
[INFO] [stderr]    --> src/cpu.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 | /     fn AND(&mut self, x: u8, y: u8) {
[INFO] [stderr] 158 | |         let xval = self.read_register(x);
[INFO] [stderr] 159 | |         let yval = self.read_register(y);
[INFO] [stderr] 160 | |         self.write_register(x, xval & yval);
[INFO] [stderr] 161 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `XOR` should have a snake case name such as `xor`
[INFO] [stderr]    --> src/cpu.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 | /     fn XOR(&mut self, x: u8, y: u8) {
[INFO] [stderr] 163 | |         let xval = self.read_register(x);
[INFO] [stderr] 164 | |         let yval = self.read_register(y);
[INFO] [stderr] 165 | |         self.write_register(x, xval ^ yval);
[INFO] [stderr] 166 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `ADD2` should have a snake case name such as `add2`
[INFO] [stderr]    --> src/cpu.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 | /     fn ADD2(&mut self, x: u8, y: u8) {
[INFO] [stderr] 168 | |         let xval = self.read_register(x);
[INFO] [stderr] 169 | |         let yval = self.read_register(y);
[INFO] [stderr] 170 | |         let res: u16 = (xval as u16) + (yval as u16);
[INFO] [stderr] ...   |
[INFO] [stderr] 173 | |         self.write_register(0xF, (carry != 0) as u8);
[INFO] [stderr] 174 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let res: u16 = (xval as u16) + (yval as u16);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^ help: try: `u16::from(xval)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:170:40
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let res: u16 = (xval as u16) + (yval as u16);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^ help: try: `u16::from(yval)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: method `SUB` should have a snake case name such as `sub`
[INFO] [stderr]    --> src/cpu.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 | /     fn SUB(&mut self, x: u8, y: u8) {
[INFO] [stderr] 176 | |         let xval = self.read_register(x);
[INFO] [stderr] 177 | |         let yval = self.read_register(y);
[INFO] [stderr] 178 | |         let res = xval - yval;
[INFO] [stderr] ...   |
[INFO] [stderr] 181 | |         self.write_register(0xF, borrow);
[INFO] [stderr] 182 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SHR` should have a snake case name such as `shr`
[INFO] [stderr]    --> src/cpu.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 | /     fn SHR(&mut self, x: u8, y: u8) {
[INFO] [stderr] 184 | |         let yval = self.read_register(y);
[INFO] [stderr] 185 | |         self.write_register(x, yval >> 1);
[INFO] [stderr] 186 | |         self.write_register(0xF, yval & 0x01);
[INFO] [stderr] 187 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SUBN` should have a snake case name such as `subn`
[INFO] [stderr]    --> src/cpu.rs:188:5
[INFO] [stderr]     |
[INFO] [stderr] 188 | /     fn SUBN(&mut self, x: u8, y: u8) {
[INFO] [stderr] 189 | |         let xval = self.read_register(x);
[INFO] [stderr] 190 | |         let yval = self.read_register(y);
[INFO] [stderr] 191 | |         let res = yval - xval;
[INFO] [stderr] ...   |
[INFO] [stderr] 194 | |         self.write_register(0xF, borrow);
[INFO] [stderr] 195 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SHL` should have a snake case name such as `shl`
[INFO] [stderr]    --> src/cpu.rs:196:5
[INFO] [stderr]     |
[INFO] [stderr] 196 | /     fn SHL(&mut self, x: u8, y: u8) {
[INFO] [stderr] 197 | |         let yval = self.read_register(y);
[INFO] [stderr] 198 | |         self.write_register(x, yval << 1);
[INFO] [stderr] 199 | |         self.write_register(0xF, yval >> 7);
[INFO] [stderr] 200 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SNE2` should have a snake case name such as `sne2`
[INFO] [stderr]    --> src/cpu.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     fn SNE2(&mut self, x: u8, y: u8) {
[INFO] [stderr] 202 | |         let xval = self.read_register(x);
[INFO] [stderr] 203 | |         let yval = self.read_register(y);
[INFO] [stderr] 204 | |         if xval != yval {
[INFO] [stderr] 205 | |             self.pc += 2;
[INFO] [stderr] 206 | |         }
[INFO] [stderr] 207 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDI` should have a snake case name such as `ldi`
[INFO] [stderr]    --> src/cpu.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 | /     fn LDI(&mut self, addr: u16) {
[INFO] [stderr] 209 | |         self.i = addr;
[INFO] [stderr] 210 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `JPV0` should have a snake case name such as `jpv0`
[INFO] [stderr]    --> src/cpu.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 | /     fn JPV0(&mut self, addr: u16) {
[INFO] [stderr] 212 | |         self.pc = self.read_register(0x0) as u16 + addr - 2;
[INFO] [stderr] 213 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:212:19
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.pc = self.read_register(0x0) as u16 + addr - 2;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.read_register(0x0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: method `RND` should have a snake case name such as `rnd`
[INFO] [stderr]    --> src/cpu.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 | /     fn RND(&mut self, x: u8, byte: u8) {
[INFO] [stderr] 215 | |         let rnd = 0;
[INFO] [stderr] 216 | |         self.write_register(x, rnd & byte);
[INFO] [stderr] 217 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `DRW` should have a snake case name such as `drw`
[INFO] [stderr]    --> src/cpu.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 | /     fn DRW(&mut self, x: u8, y: u8, nibble: u8) {
[INFO] [stderr] 219 | |         // todo
[INFO] [stderr] 220 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SKP` should have a snake case name such as `skp`
[INFO] [stderr]    --> src/cpu.rs:221:5
[INFO] [stderr]     |
[INFO] [stderr] 221 | /     fn SKP(&mut self, x: u8) {
[INFO] [stderr] 222 | |         // todo
[INFO] [stderr] 223 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SKNP` should have a snake case name such as `sknp`
[INFO] [stderr]    --> src/cpu.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 | /     fn SKNP(&mut self, x: u8) {
[INFO] [stderr] 225 | |         // todo
[INFO] [stderr] 226 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDT` should have a snake case name such as `ldt`
[INFO] [stderr]    --> src/cpu.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 | /     fn LDT(&mut self, x: u8) {
[INFO] [stderr] 228 | |         let dt = self.dt;
[INFO] [stderr] 229 | |         self.write_register(x, dt);
[INFO] [stderr] 230 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDK` should have a snake case name such as `ldk`
[INFO] [stderr]    --> src/cpu.rs:231:5
[INFO] [stderr]     |
[INFO] [stderr] 231 | /     fn LDK(&mut self, x: u8) {
[INFO] [stderr] 232 | |         // toddo
[INFO] [stderr] 233 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDT2` should have a snake case name such as `ldt2`
[INFO] [stderr]    --> src/cpu.rs:234:5
[INFO] [stderr]     |
[INFO] [stderr] 234 | /     fn LDT2(&mut self, x: u8) {
[INFO] [stderr] 235 | |         self.dt = self.read_register(x);
[INFO] [stderr] 236 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDS` should have a snake case name such as `lds`
[INFO] [stderr]    --> src/cpu.rs:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 | /     fn LDS(&mut self, x: u8) {
[INFO] [stderr] 238 | |         self.st = self.read_register(x);
[INFO] [stderr] 239 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `ADDI` should have a snake case name such as `addi`
[INFO] [stderr]    --> src/cpu.rs:240:5
[INFO] [stderr]     |
[INFO] [stderr] 240 | /     fn ADDI(&mut self, x: u8) {
[INFO] [stderr] 241 | |         self.i += self.read_register(x) as u16;
[INFO] [stderr] 242 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:241:19
[INFO] [stderr]     |
[INFO] [stderr] 241 |         self.i += self.read_register(x) as u16;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.read_register(x))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDD` should have a snake case name such as `ldd`
[INFO] [stderr]    --> src/cpu.rs:243:5
[INFO] [stderr]     |
[INFO] [stderr] 243 | /     fn LDD(&mut self, x: u8) {
[INFO] [stderr] 244 | |         // todo
[INFO] [stderr] 245 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDB` should have a snake case name such as `ldb`
[INFO] [stderr]    --> src/cpu.rs:246:5
[INFO] [stderr]     |
[INFO] [stderr] 246 | /     fn LDB(&mut self, x: u8) {
[INFO] [stderr] 247 | |         let xval = self.read_register(x);
[INFO] [stderr] 248 | |         let c = xval / 100;
[INFO] [stderr] 249 | |         let d = (xval - c * 100) / 10;
[INFO] [stderr] ...   |
[INFO] [stderr] 255 | |         self.i += 2;
[INFO] [stderr] 256 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `STR` should have a snake case name such as `str`
[INFO] [stderr]    --> src/cpu.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 | /     fn STR(&mut self, x: u8) {
[INFO] [stderr] 258 | |         let addr = self.i;
[INFO] [stderr] 259 | |         for reg in 0..x {
[INFO] [stderr] 260 | |             let val = self.read_register(reg);
[INFO] [stderr] ...   |
[INFO] [stderr] 263 | |         self.i += x as u16 + 1;
[INFO] [stderr] 264 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:261:38
[INFO] [stderr]     |
[INFO] [stderr] 261 |             self.write_memory(addr + reg as u16, val);
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: try: `u16::from(reg)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:263:19
[INFO] [stderr]     |
[INFO] [stderr] 263 |         self.i += x as u16 + 1;
[INFO] [stderr]     |                   ^^^^^^^^ help: try: `u16::from(x)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDR` should have a snake case name such as `ldr`
[INFO] [stderr]    --> src/cpu.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 | /     fn LDR(&mut self, x: u8) {
[INFO] [stderr] 266 | |         for reg in 0..x {
[INFO] [stderr] 267 | |             let val = self.read_memory(self.i + x as u16);
[INFO] [stderr] 268 | |             self.write_register(reg, val);
[INFO] [stderr] 269 | |         }
[INFO] [stderr] 270 | |         self.i += x as u16;
[INFO] [stderr] 271 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:267:49
[INFO] [stderr]     |
[INFO] [stderr] 267 |             let val = self.read_memory(self.i + x as u16);
[INFO] [stderr]     |                                                 ^^^^^^^^ help: try: `u16::from(x)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:270:19
[INFO] [stderr]     |
[INFO] [stderr] 270 |         self.i += x as u16;
[INFO] [stderr]     |                   ^^^^^^^^ help: try: `u16::from(x)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `(word & 0x000F)`
[INFO] [stderr]    --> src/cpu.rs:280:9
[INFO] [stderr]     |
[INFO] [stderr] 280 |         ((word & 0x000F) >>  0) as u8,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/cpu.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         (n1 as u16) << 8 | n2 as u16
[INFO] [stderr]    |         ^^^^^^^^^^^ help: try: `u16::from(n1)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/cpu.rs:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |         (n1 as u16) << 8 | n2 as u16
[INFO] [stderr]    |                            ^^^^^^^^^ help: try: `u16::from(n2)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `buf`
[INFO] [stderr]   --> src/cpu.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in 0..size {
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for (i, <item>) in buf.iter().enumerate().take(size) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/cpu.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in 0..size {
[INFO] [stderr]    |                  ^^^^^^^ help: try replacing the loop by: `self.ram[512..(size + 512)].clone_from_slice(&buf[..size])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/cpu.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let opcode = (self.read_memory(self.pc) as u16) << 8 | self.read_memory(self.pc + 1) as u16;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.read_memory(self.pc))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/cpu.rs:55:64
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let opcode = (self.read_memory(self.pc) as u16) << 8 | self.read_memory(self.pc + 1) as u16;
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.read_memory(self.pc + 1))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Vx` should have a snake case name such as `vx`
[INFO] [stderr]   --> src/cpu.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let (c, Vx, Vy, nibble) = word_to_nibbles(word);
[INFO] [stderr]    |                 ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Vy` should have a snake case name such as `vy`
[INFO] [stderr]   --> src/cpu.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let (c, Vx, Vy, nibble) = word_to_nibbles(word);
[INFO] [stderr]    |                     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SYS` should have a snake case name such as `sys`
[INFO] [stderr]    --> src/cpu.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn SYS(&self, addr: u16) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `CLS` should have a snake case name such as `cls`
[INFO] [stderr]    --> src/cpu.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn CLS(&self) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `RET` should have a snake case name such as `ret`
[INFO] [stderr]    --> src/cpu.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 | /     fn RET(&mut self) {
[INFO] [stderr] 112 | |         self.pc = self.pop_stack();
[INFO] [stderr] 113 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `JP` should have a snake case name such as `jp`
[INFO] [stderr]    --> src/cpu.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 | /     fn JP(&mut self, addr: u16) {
[INFO] [stderr] 115 | |         self.pc = addr - 2;
[INFO] [stderr] 116 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `CALL` should have a snake case name such as `call`
[INFO] [stderr]    --> src/cpu.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     fn CALL(&mut self, addr: u16) {
[INFO] [stderr] 118 | |         let pc = self.pc;
[INFO] [stderr] 119 | |         self.push_stack(pc);
[INFO] [stderr] 120 | |         self.pc = addr - 2;
[INFO] [stderr] 121 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SE` should have a snake case name such as `se`
[INFO] [stderr]    --> src/cpu.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 | /     fn SE(&mut self, x: u8, byte: u8) {
[INFO] [stderr] 123 | |         let xval = self.read_register(x);
[INFO] [stderr] 124 | |         if xval == byte {
[INFO] [stderr] 125 | |             self.pc += 2;
[INFO] [stderr] 126 | |         }
[INFO] [stderr] 127 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SNE` should have a snake case name such as `sne`
[INFO] [stderr]    --> src/cpu.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 | /     fn SNE(&mut self, x: u8, byte: u8) {
[INFO] [stderr] 129 | |         let xval = self.read_register(x);
[INFO] [stderr] 130 | |         if xval != byte {
[INFO] [stderr] 131 | |             self.pc += 2;
[INFO] [stderr] 132 | |         }
[INFO] [stderr] 133 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SE2` should have a snake case name such as `se2`
[INFO] [stderr]    --> src/cpu.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 | /     fn SE2(&mut self, x: u8, y: u8) {
[INFO] [stderr] 135 | |         let xval = self.read_register(x);
[INFO] [stderr] 136 | |         let yval = self.read_register(y);
[INFO] [stderr] 137 | |         if xval == yval {
[INFO] [stderr] 138 | |             self.pc += 2;
[INFO] [stderr] 139 | |         }
[INFO] [stderr] 140 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LD` should have a snake case name such as `ld`
[INFO] [stderr]    --> src/cpu.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 | /     fn LD(&mut self, x: u8, byte: u8) {
[INFO] [stderr] 142 | |         self.write_register(x, byte);
[INFO] [stderr] 143 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `ADD` should have a snake case name such as `add`
[INFO] [stderr]    --> src/cpu.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 | /     fn ADD(&mut self, x: u8, byte: u8) {
[INFO] [stderr] 145 | |         let xval = self.read_register(x);
[INFO] [stderr] 146 | |         self.write_register(x, xval + byte);
[INFO] [stderr] 147 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LD2` should have a snake case name such as `ld2`
[INFO] [stderr]    --> src/cpu.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 | /     fn LD2(&mut self, x: u8, y: u8) {
[INFO] [stderr] 149 | |         let yval = self.read_register(y);
[INFO] [stderr] 150 | |         self.write_register(x, yval);
[INFO] [stderr] 151 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `OR` should have a snake case name such as `or`
[INFO] [stderr]    --> src/cpu.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 | /     fn OR(&mut self, x: u8, y: u8) {
[INFO] [stderr] 153 | |         let xval = self.read_register(x);
[INFO] [stderr] 154 | |         let yval = self.read_register(y);
[INFO] [stderr] 155 | |         self.write_register(x, xval | yval);
[INFO] [stderr] 156 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `AND` should have a snake case name such as `and`
[INFO] [stderr]    --> src/cpu.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 | /     fn AND(&mut self, x: u8, y: u8) {
[INFO] [stderr] 158 | |         let xval = self.read_register(x);
[INFO] [stderr] 159 | |         let yval = self.read_register(y);
[INFO] [stderr] 160 | |         self.write_register(x, xval & yval);
[INFO] [stderr] 161 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Vx` should have a snake case name such as `vx`
[INFO] [stderr]    --> src/cpu.rs:287:13
[INFO] [stderr]     |
[INFO] [stderr] 287 |     let (c, Vx, Vy, nibble) = word_to_nibbles(word);
[INFO] [stderr]     |             ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Vy` should have a snake case name such as `vy`
[INFO] [stderr]    --> src/cpu.rs:287:17
[INFO] [stderr]     |
[INFO] [stderr] 287 |     let (c, Vx, Vy, nibble) = word_to_nibbles(word);
[INFO] [stderr]     |                 ^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `XOR` should have a snake case name such as `xor`
[INFO] [stderr]    --> src/cpu.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 | /     fn XOR(&mut self, x: u8, y: u8) {
[INFO] [stderr] 163 | |         let xval = self.read_register(x);
[INFO] [stderr] 164 | |         let yval = self.read_register(y);
[INFO] [stderr] 165 | |         self.write_register(x, xval ^ yval);
[INFO] [stderr] 166 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `ADD2` should have a snake case name such as `add2`
[INFO] [stderr]    --> src/cpu.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 | /     fn ADD2(&mut self, x: u8, y: u8) {
[INFO] [stderr] 168 | |         let xval = self.read_register(x);
[INFO] [stderr] 169 | |         let yval = self.read_register(y);
[INFO] [stderr] 170 | |         let res: u16 = (xval as u16) + (yval as u16);
[INFO] [stderr] ...   |
[INFO] [stderr] 173 | |         self.write_register(0xF, (carry != 0) as u8);
[INFO] [stderr] 174 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let res: u16 = (xval as u16) + (yval as u16);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^ help: try: `u16::from(xval)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:170:40
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let res: u16 = (xval as u16) + (yval as u16);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^ help: try: `u16::from(yval)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: method `SUB` should have a snake case name such as `sub`
[INFO] [stderr]    --> src/cpu.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 | /     fn SUB(&mut self, x: u8, y: u8) {
[INFO] [stderr] 176 | |         let xval = self.read_register(x);
[INFO] [stderr] 177 | |         let yval = self.read_register(y);
[INFO] [stderr] 178 | |         let res = xval - yval;
[INFO] [stderr] ...   |
[INFO] [stderr] 181 | |         self.write_register(0xF, borrow);
[INFO] [stderr] 182 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SHR` should have a snake case name such as `shr`
[INFO] [stderr]    --> src/cpu.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 | /     fn SHR(&mut self, x: u8, y: u8) {
[INFO] [stderr] 184 | |         let yval = self.read_register(y);
[INFO] [stderr] 185 | |         self.write_register(x, yval >> 1);
[INFO] [stderr] 186 | |         self.write_register(0xF, yval & 0x01);
[INFO] [stderr] 187 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SUBN` should have a snake case name such as `subn`
[INFO] [stderr]    --> src/cpu.rs:188:5
[INFO] [stderr]     |
[INFO] [stderr] 188 | /     fn SUBN(&mut self, x: u8, y: u8) {
[INFO] [stderr] 189 | |         let xval = self.read_register(x);
[INFO] [stderr] 190 | |         let yval = self.read_register(y);
[INFO] [stderr] 191 | |         let res = yval - xval;
[INFO] [stderr] ...   |
[INFO] [stderr] 194 | |         self.write_register(0xF, borrow);
[INFO] [stderr] 195 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SHL` should have a snake case name such as `shl`
[INFO] [stderr]    --> src/cpu.rs:196:5
[INFO] [stderr]     |
[INFO] [stderr] 196 | /     fn SHL(&mut self, x: u8, y: u8) {
[INFO] [stderr] 197 | |         let yval = self.read_register(y);
[INFO] [stderr] 198 | |         self.write_register(x, yval << 1);
[INFO] [stderr] 199 | |         self.write_register(0xF, yval >> 7);
[INFO] [stderr] 200 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SNE2` should have a snake case name such as `sne2`
[INFO] [stderr]    --> src/cpu.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     fn SNE2(&mut self, x: u8, y: u8) {
[INFO] [stderr] 202 | |         let xval = self.read_register(x);
[INFO] [stderr] 203 | |         let yval = self.read_register(y);
[INFO] [stderr] 204 | |         if xval != yval {
[INFO] [stderr] 205 | |             self.pc += 2;
[INFO] [stderr] 206 | |         }
[INFO] [stderr] 207 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDI` should have a snake case name such as `ldi`
[INFO] [stderr]    --> src/cpu.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 | /     fn LDI(&mut self, addr: u16) {
[INFO] [stderr] 209 | |         self.i = addr;
[INFO] [stderr] 210 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `JPV0` should have a snake case name such as `jpv0`
[INFO] [stderr]    --> src/cpu.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 | /     fn JPV0(&mut self, addr: u16) {
[INFO] [stderr] 212 | |         self.pc = self.read_register(0x0) as u16 + addr - 2;
[INFO] [stderr] 213 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:212:19
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.pc = self.read_register(0x0) as u16 + addr - 2;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.read_register(0x0))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: method `RND` should have a snake case name such as `rnd`
[INFO] [stderr]    --> src/cpu.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 | /     fn RND(&mut self, x: u8, byte: u8) {
[INFO] [stderr] 215 | |         let rnd = 0;
[INFO] [stderr] 216 | |         self.write_register(x, rnd & byte);
[INFO] [stderr] 217 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `DRW` should have a snake case name such as `drw`
[INFO] [stderr]    --> src/cpu.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 | /     fn DRW(&mut self, x: u8, y: u8, nibble: u8) {
[INFO] [stderr] 219 | |         // todo
[INFO] [stderr] 220 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SKP` should have a snake case name such as `skp`
[INFO] [stderr]    --> src/cpu.rs:221:5
[INFO] [stderr]     |
[INFO] [stderr] 221 | /     fn SKP(&mut self, x: u8) {
[INFO] [stderr] 222 | |         // todo
[INFO] [stderr] 223 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `SKNP` should have a snake case name such as `sknp`
[INFO] [stderr]    --> src/cpu.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 | /     fn SKNP(&mut self, x: u8) {
[INFO] [stderr] 225 | |         // todo
[INFO] [stderr] 226 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDT` should have a snake case name such as `ldt`
[INFO] [stderr]    --> src/cpu.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 | /     fn LDT(&mut self, x: u8) {
[INFO] [stderr] 228 | |         let dt = self.dt;
[INFO] [stderr] 229 | |         self.write_register(x, dt);
[INFO] [stderr] 230 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDK` should have a snake case name such as `ldk`
[INFO] [stderr]    --> src/cpu.rs:231:5
[INFO] [stderr]     |
[INFO] [stderr] 231 | /     fn LDK(&mut self, x: u8) {
[INFO] [stderr] 232 | |         // toddo
[INFO] [stderr] 233 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDT2` should have a snake case name such as `ldt2`
[INFO] [stderr]    --> src/cpu.rs:234:5
[INFO] [stderr]     |
[INFO] [stderr] 234 | /     fn LDT2(&mut self, x: u8) {
[INFO] [stderr] 235 | |         self.dt = self.read_register(x);
[INFO] [stderr] 236 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDS` should have a snake case name such as `lds`
[INFO] [stderr]    --> src/cpu.rs:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 | /     fn LDS(&mut self, x: u8) {
[INFO] [stderr] 238 | |         self.st = self.read_register(x);
[INFO] [stderr] 239 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `ADDI` should have a snake case name such as `addi`
[INFO] [stderr]    --> src/cpu.rs:240:5
[INFO] [stderr]     |
[INFO] [stderr] 240 | /     fn ADDI(&mut self, x: u8) {
[INFO] [stderr] 241 | |         self.i += self.read_register(x) as u16;
[INFO] [stderr] 242 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:241:19
[INFO] [stderr]     |
[INFO] [stderr] 241 |         self.i += self.read_register(x) as u16;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.read_register(x))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDD` should have a snake case name such as `ldd`
[INFO] [stderr]    --> src/cpu.rs:243:5
[INFO] [stderr]     |
[INFO] [stderr] 243 | /     fn LDD(&mut self, x: u8) {
[INFO] [stderr] 244 | |         // todo
[INFO] [stderr] 245 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDB` should have a snake case name such as `ldb`
[INFO] [stderr]    --> src/cpu.rs:246:5
[INFO] [stderr]     |
[INFO] [stderr] 246 | /     fn LDB(&mut self, x: u8) {
[INFO] [stderr] 247 | |         let xval = self.read_register(x);
[INFO] [stderr] 248 | |         let c = xval / 100;
[INFO] [stderr] 249 | |         let d = (xval - c * 100) / 10;
[INFO] [stderr] ...   |
[INFO] [stderr] 255 | |         self.i += 2;
[INFO] [stderr] 256 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `STR` should have a snake case name such as `str`
[INFO] [stderr]    --> src/cpu.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 | /     fn STR(&mut self, x: u8) {
[INFO] [stderr] 258 | |         let addr = self.i;
[INFO] [stderr] 259 | |         for reg in 0..x {
[INFO] [stderr] 260 | |             let val = self.read_register(reg);
[INFO] [stderr] ...   |
[INFO] [stderr] 263 | |         self.i += x as u16 + 1;
[INFO] [stderr] 264 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:261:38
[INFO] [stderr]     |
[INFO] [stderr] 261 |             self.write_memory(addr + reg as u16, val);
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: try: `u16::from(reg)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:263:19
[INFO] [stderr]     |
[INFO] [stderr] 263 |         self.i += x as u16 + 1;
[INFO] [stderr]     |                   ^^^^^^^^ help: try: `u16::from(x)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: method `LDR` should have a snake case name such as `ldr`
[INFO] [stderr]    --> src/cpu.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 | /     fn LDR(&mut self, x: u8) {
[INFO] [stderr] 266 | |         for reg in 0..x {
[INFO] [stderr] 267 | |             let val = self.read_memory(self.i + x as u16);
[INFO] [stderr] 268 | |             self.write_register(reg, val);
[INFO] [stderr] 269 | |         }
[INFO] [stderr] 270 | |         self.i += x as u16;
[INFO] [stderr] 271 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:267:49
[INFO] [stderr]     |
[INFO] [stderr] 267 |             let val = self.read_memory(self.i + x as u16);
[INFO] [stderr]     |                                                 ^^^^^^^^ help: try: `u16::from(x)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:270:19
[INFO] [stderr]     |
[INFO] [stderr] 270 |         self.i += x as u16;
[INFO] [stderr]     |                   ^^^^^^^^ help: try: `u16::from(x)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `(word & 0x000F)`
[INFO] [stderr]    --> src/cpu.rs:280:9
[INFO] [stderr]     |
[INFO] [stderr] 280 |         ((word & 0x000F) >>  0) as u8,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     while true {
[INFO] [stderr]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(while_true)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Vx` should have a snake case name such as `vx`
[INFO] [stderr]    --> src/cpu.rs:287:13
[INFO] [stderr]     |
[INFO] [stderr] 287 |     let (c, Vx, Vy, nibble) = word_to_nibbles(word);
[INFO] [stderr]     |             ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Vy` should have a snake case name such as `vy`
[INFO] [stderr]    --> src/cpu.rs:287:17
[INFO] [stderr]     |
[INFO] [stderr] 287 |     let (c, Vx, Vy, nibble) = word_to_nibbles(word);
[INFO] [stderr]     |                 ^^
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     while true {
[INFO] [stderr]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(while_true)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "82985951d1078c022851bc49e28a4c9426b545f94265f18de784e608178a9845"`
[INFO] running `"docker" "rm" "-f" "82985951d1078c022851bc49e28a4c9426b545f94265f18de784e608178a9845"`
[INFO] [stdout] 82985951d1078c022851bc49e28a4c9426b545f94265f18de784e608178a9845