[INFO] updating cached repository Tormyst/mystchip
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Tormyst/mystchip
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Tormyst/mystchip" "work/ex/clippy-test-run/sources/stable/gh/Tormyst/mystchip"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Tormyst/mystchip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Tormyst/mystchip" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Tormyst/mystchip"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Tormyst/mystchip'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5a7b10114f80a1ec322d09b98281e073bc7711c2
[INFO] sha for GitHub repo Tormyst/mystchip: 5a7b10114f80a1ec322d09b98281e073bc7711c2
[INFO] validating manifest of Tormyst/mystchip 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 Tormyst/mystchip 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 Tormyst/mystchip
[INFO] finished frobbing Tormyst/mystchip
[INFO] frobbed toml for Tormyst/mystchip written to work/ex/clippy-test-run/sources/stable/gh/Tormyst/mystchip/Cargo.toml
[INFO] started frobbing Tormyst/mystchip
[INFO] finished frobbing Tormyst/mystchip
[INFO] frobbed toml for Tormyst/mystchip written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Tormyst/mystchip/Cargo.toml
[INFO] crate Tormyst/mystchip 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 Tormyst/mystchip against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Tormyst/mystchip:/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" "-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] 08dcc2e68a817187bff4616512e4d5a839e772fe8bf0493078a83f65e304f6dc
[INFO] running `"docker" "start" "-a" "08dcc2e68a817187bff4616512e4d5a839e772fe8bf0493078a83f65e304f6dc"`
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking piston-gfx_texture v0.32.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.51.0
[INFO] [stderr]     Checking piston_window v0.80.0
[INFO] [stderr]     Checking mystchip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `writeln!(f, "")`
[INFO] [stderr]   --> src/mem/mod.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             writeln!(f, "");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(f)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/mem/mod.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |             write!(f, "\n").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `writeln!(f, "")`
[INFO] [stderr]   --> src/mem/mod.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             writeln!(f, "");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(f)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/mem/mod.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |             write!(f, "\n").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::thread::sleep;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/mem/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error`
[INFO] [stderr]  --> src/display.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/display.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mem::Mem`
[INFO] [stderr]  --> src/display.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mem::Mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::thread::sleep;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/mem/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error`
[INFO] [stderr]  --> src/display.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/display.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mem::Mem`
[INFO] [stderr]  --> src/display.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mem::Mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/display.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 _ => {
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 _ => panic!("Unhandled message: {:?}", message),
[INFO] [stderr]    |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_render`
[INFO] [stderr]    --> src/main.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let mut last_render = SystemTime::now();
[INFO] [stderr]     |             ^^^^^^^^^^^ help: consider using `_last_render` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rm_tmp`
[INFO] [stderr]    --> src/cpu.rs:238:35
[INFO] [stderr]     |
[INFO] [stderr] 238 |                     let (add_tmp, rm_tmp) = mem.gfx_write(x, y + iter, sprite);
[INFO] [stderr]     |                                   ^^^^^^ help: consider using `_rm_tmp` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/cpu.rs:253:21
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 let key = self.reg[low_nibble(inst_byte_upper) as usize];
[INFO] [stderr]     |                     ^^^ help: consider using `_key` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opengl`
[INFO] [stderr]   --> src/display.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let opengl = OpenGL::V3_2;
[INFO] [stderr]    |             ^^^^^^ help: consider using `_opengl` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let mut last_render = SystemTime::now();
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reverse_gfx_offset`
[INFO] [stderr]   --> src/mem/mod.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn reverse_gfx_offset(val: usize) -> (usize, usize) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pixel_locations`
[INFO] [stderr]   --> src/mem/mod.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn pixel_locations(&self) -> Vec<(usize, usize)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `render_flag`
[INFO] [stderr]   --> src/display.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     render_flag: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/cpu.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 |     res + low as u16
[INFO] [stderr]    |           ^^^^^^^^^^ help: try: `u16::from(low)`
[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: method `updateTime` should have a snake case name such as `update_time`
[INFO] [stderr]   --> src/cpu.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | /     pub fn updateTime(&mut self) {
[INFO] [stderr] 53 | |         if self.dt > 0 {
[INFO] [stderr] 54 | |             self.dt -= 1;
[INFO] [stderr] 55 | |         }
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |         }
[INFO] [stderr] 59 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/cpu.rs:179:25
[INFO] [stderr]     |
[INFO] [stderr] 179 | /                         match sum.1 {
[INFO] [stderr] 180 | |                             true => self.reg[0xf] = 1,
[INFO] [stderr] 181 | |                             false => self.reg[0xf] = 0,
[INFO] [stderr] 182 | |                         }
[INFO] [stderr]     | |_________________________^ help: consider using an if/else expression: `if sum.1 { self.reg[0xf] = 1 } else { self.reg[0xf] = 0 }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/cpu.rs:191:25
[INFO] [stderr]     |
[INFO] [stderr] 191 | /                         match sum.1 {
[INFO] [stderr] 192 | |                             true => self.reg[0xf] = 0,
[INFO] [stderr] 193 | |                             false => self.reg[0xf] = 1,
[INFO] [stderr] 194 | |                         }
[INFO] [stderr]     | |_________________________^ help: consider using an if/else expression: `if sum.1 { self.reg[0xf] = 0 } else { self.reg[0xf] = 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/cpu.rs:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 | /                         match sum.1 {
[INFO] [stderr] 204 | |                             true => self.reg[0xf] = 0,
[INFO] [stderr] 205 | |                             false => self.reg[0xf] = 1,
[INFO] [stderr] 206 | |                         }
[INFO] [stderr]     | |_________________________^ help: consider using an if/else expression: `if sum.1 { self.reg[0xf] = 0 } else { self.reg[0xf] = 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:237:52
[INFO] [stderr]     |
[INFO] [stderr] 237 |                     let sprite = mem.read(self.i + (iter as u16));
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^ help: try: `u16::from(iter)`
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/cpu.rs:242:17
[INFO] [stderr]     |
[INFO] [stderr] 242 | /                 match remove_flag {
[INFO] [stderr] 243 | |                     true => self.reg[0xF] = 1u8,
[INFO] [stderr] 244 | |                     false => self.reg[0xF] = 0u8,
[INFO] [stderr] 245 | |                 };
[INFO] [stderr]     | |_________________^ help: consider using an if/else expression: `if remove_flag { self.reg[0xF] = 1u8 } else { self.reg[0xF] = 0u8 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/cpu.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 | /                 match add_flag{
[INFO] [stderr] 247 | |                     true => Ok(ScreenUpdate::Yes),
[INFO] [stderr] 248 | |                     false => Ok(ScreenUpdate::No),
[INFO] [stderr] 249 | |                 }
[INFO] [stderr]     | |_________________^ help: consider using an if/else expression: `if add_flag { Ok(ScreenUpdate::Yes) } else { Ok(ScreenUpdate::No) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:290:34
[INFO] [stderr]     |
[INFO] [stderr] 290 |                         self.i = (self.reg[low_nibble(inst_byte_upper) as usize] * 5) as u16;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.reg[low_nibble(inst_byte_upper) as usize] * 5)`
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/mem/mod.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 | /                     match self.gfx[index] {
[INFO] [stderr] 55 | |                         true => removed = true,
[INFO] [stderr] 56 | |                         false => added = true,
[INFO] [stderr] 57 | |                     };
[INFO] [stderr]    | |_____________________^ help: consider using an if/else expression: `if self.gfx[index] { removed = true } else { added = true }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/mem/mod.rs:71:14
[INFO] [stderr]    |
[INFO] [stderr] 71 |             .into_iter()
[INFO] [stderr]    |              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/mem/mod.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 |             .filter(|x| x.1.clone())
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: try dereferencing it: `*x.1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/mem/mod.rs:79:16
[INFO] [stderr]    |
[INFO] [stderr] 79 |         sender(self.gfx.clone());
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.gfx`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mem/mod.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         writeln!(f, "Mem");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mem/mod.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         writeln!(f, "      0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mem/mod.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             write!(f, "{:04X}: ", index);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mem/mod.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 write!(f, "{:02X} ", num);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mem/mod.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             writeln!(f, "");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: constant `off` should have an upper case name such as `OFF`
[INFO] [stderr]   --> src/display.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / const off: Rgba<u8> = Rgba {
[INFO] [stderr] 12 | |     data: [0, 0, 0, 255],
[INFO] [stderr] 13 | | };
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `on` should have an upper case name such as `ON`
[INFO] [stderr]   --> src/display.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const on: Rgba<u8> = Rgba { data: [255; 4] };
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/display.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         me.tx.send(::display_message::Die);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/display.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 self.tx.send(::display_message::Input([false; 16]));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/display.rs:80:35
[INFO] [stderr]    |
[INFO] [stderr] 80 |                     let mut f = f.into_iter();
[INFO] [stderr]    |                                   ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/display.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         self.gfx.update(encoder, &self.image);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant `framesize` should have an upper case name such as `FRAMESIZE`
[INFO] [stderr]   --> src/main.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const framesize:usize = 64*32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `cpu_message` should have a camel case name such as `CpuMessage`
[INFO] [stderr]   --> src/main.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / pub enum cpu_message {
[INFO] [stderr] 26 | |     Frame([bool; framesize]),
[INFO] [stderr] 27 | |     Render,
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Frame([bool; framesize]),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Frame(Box<[bool; framesize]>),
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `display_message` should have a camel case name such as `DisplayMessage`
[INFO] [stderr]   --> src/main.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / pub enum display_message {
[INFO] [stderr] 41 | |     Input([bool; 16]),
[INFO] [stderr] 42 | |     Die,
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 | /             match self.cpu.cpu_cycle(&mut self.mem)? {
[INFO] [stderr] 78 | |                 cpu::ScreenUpdate::Yes => {self.display(); self.cpu_lock += 1;}
[INFO] [stderr] 79 | |                 _ => {}
[INFO] [stderr] 80 | |             };
[INFO] [stderr]    | |_____________^ help: try this: `if let cpu::ScreenUpdate::Yes = self.cpu.cpu_cycle(&mut self.mem)? {self.display(); self.cpu_lock += 1;}`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     chip8.load("pong.ch8");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `setupGraphics` should have a snake case name such as `setup_graphics`
[INFO] [stderr]    --> src/main.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn setupGraphics() {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `setupInput` should have a snake case name such as `setup_input`
[INFO] [stderr]    --> src/main.rs:144:1
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn setupInput() {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/display.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 _ => {
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 _ => panic!("Unhandled message: {:?}", message),
[INFO] [stderr]    |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_render`
[INFO] [stderr]    --> src/main.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let mut last_render = SystemTime::now();
[INFO] [stderr]     |             ^^^^^^^^^^^ help: consider using `_last_render` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rm_tmp`
[INFO] [stderr]    --> src/cpu.rs:238:35
[INFO] [stderr]     |
[INFO] [stderr] 238 |                     let (add_tmp, rm_tmp) = mem.gfx_write(x, y + iter, sprite);
[INFO] [stderr]     |                                   ^^^^^^ help: consider using `_rm_tmp` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/cpu.rs:253:21
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 let key = self.reg[low_nibble(inst_byte_upper) as usize];
[INFO] [stderr]     |                     ^^^ help: consider using `_key` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opengl`
[INFO] [stderr]   --> src/display.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let opengl = OpenGL::V3_2;
[INFO] [stderr]    |             ^^^^^^ help: consider using `_opengl` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let mut last_render = SystemTime::now();
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reverse_gfx_offset`
[INFO] [stderr]   --> src/mem/mod.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn reverse_gfx_offset(val: usize) -> (usize, usize) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pixel_locations`
[INFO] [stderr]   --> src/mem/mod.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn pixel_locations(&self) -> Vec<(usize, usize)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `render_flag`
[INFO] [stderr]   --> src/display.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     render_flag: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/cpu.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 |     res + low as u16
[INFO] [stderr]    |           ^^^^^^^^^^ help: try: `u16::from(low)`
[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: method `updateTime` should have a snake case name such as `update_time`
[INFO] [stderr]   --> src/cpu.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | /     pub fn updateTime(&mut self) {
[INFO] [stderr] 53 | |         if self.dt > 0 {
[INFO] [stderr] 54 | |             self.dt -= 1;
[INFO] [stderr] 55 | |         }
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |         }
[INFO] [stderr] 59 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/cpu.rs:179:25
[INFO] [stderr]     |
[INFO] [stderr] 179 | /                         match sum.1 {
[INFO] [stderr] 180 | |                             true => self.reg[0xf] = 1,
[INFO] [stderr] 181 | |                             false => self.reg[0xf] = 0,
[INFO] [stderr] 182 | |                         }
[INFO] [stderr]     | |_________________________^ help: consider using an if/else expression: `if sum.1 { self.reg[0xf] = 1 } else { self.reg[0xf] = 0 }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/cpu.rs:191:25
[INFO] [stderr]     |
[INFO] [stderr] 191 | /                         match sum.1 {
[INFO] [stderr] 192 | |                             true => self.reg[0xf] = 0,
[INFO] [stderr] 193 | |                             false => self.reg[0xf] = 1,
[INFO] [stderr] 194 | |                         }
[INFO] [stderr]     | |_________________________^ help: consider using an if/else expression: `if sum.1 { self.reg[0xf] = 0 } else { self.reg[0xf] = 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/cpu.rs:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 | /                         match sum.1 {
[INFO] [stderr] 204 | |                             true => self.reg[0xf] = 0,
[INFO] [stderr] 205 | |                             false => self.reg[0xf] = 1,
[INFO] [stderr] 206 | |                         }
[INFO] [stderr]     | |_________________________^ help: consider using an if/else expression: `if sum.1 { self.reg[0xf] = 0 } else { self.reg[0xf] = 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:237:52
[INFO] [stderr]     |
[INFO] [stderr] 237 |                     let sprite = mem.read(self.i + (iter as u16));
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^ help: try: `u16::from(iter)`
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/cpu.rs:242:17
[INFO] [stderr]     |
[INFO] [stderr] 242 | /                 match remove_flag {
[INFO] [stderr] 243 | |                     true => self.reg[0xF] = 1u8,
[INFO] [stderr] 244 | |                     false => self.reg[0xF] = 0u8,
[INFO] [stderr] 245 | |                 };
[INFO] [stderr]     | |_________________^ help: consider using an if/else expression: `if remove_flag { self.reg[0xF] = 1u8 } else { self.reg[0xF] = 0u8 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/cpu.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 | /                 match add_flag{
[INFO] [stderr] 247 | |                     true => Ok(ScreenUpdate::Yes),
[INFO] [stderr] 248 | |                     false => Ok(ScreenUpdate::No),
[INFO] [stderr] 249 | |                 }
[INFO] [stderr]     | |_________________^ help: consider using an if/else expression: `if add_flag { Ok(ScreenUpdate::Yes) } else { Ok(ScreenUpdate::No) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu.rs:290:34
[INFO] [stderr]     |
[INFO] [stderr] 290 |                         self.i = (self.reg[low_nibble(inst_byte_upper) as usize] * 5) as u16;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.reg[low_nibble(inst_byte_upper) as usize] * 5)`
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/mem/mod.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 | /                     match self.gfx[index] {
[INFO] [stderr] 55 | |                         true => removed = true,
[INFO] [stderr] 56 | |                         false => added = true,
[INFO] [stderr] 57 | |                     };
[INFO] [stderr]    | |_____________________^ help: consider using an if/else expression: `if self.gfx[index] { removed = true } else { added = true }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/mem/mod.rs:71:14
[INFO] [stderr]    |
[INFO] [stderr] 71 |             .into_iter()
[INFO] [stderr]    |              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/mem/mod.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 |             .filter(|x| x.1.clone())
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: try dereferencing it: `*x.1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/mem/mod.rs:79:16
[INFO] [stderr]    |
[INFO] [stderr] 79 |         sender(self.gfx.clone());
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.gfx`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mem/mod.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         writeln!(f, "Mem");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mem/mod.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         writeln!(f, "      0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mem/mod.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             write!(f, "{:04X}: ", index);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mem/mod.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 write!(f, "{:02X} ", num);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mem/mod.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             writeln!(f, "");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: constant `off` should have an upper case name such as `OFF`
[INFO] [stderr]   --> src/display.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / const off: Rgba<u8> = Rgba {
[INFO] [stderr] 12 | |     data: [0, 0, 0, 255],
[INFO] [stderr] 13 | | };
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `on` should have an upper case name such as `ON`
[INFO] [stderr]   --> src/display.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const on: Rgba<u8> = Rgba { data: [255; 4] };
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/display.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         me.tx.send(::display_message::Die);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/display.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 self.tx.send(::display_message::Input([false; 16]));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/display.rs:80:35
[INFO] [stderr]    |
[INFO] [stderr] 80 |                     let mut f = f.into_iter();
[INFO] [stderr]    |                                   ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/display.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         self.gfx.update(encoder, &self.image);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant `framesize` should have an upper case name such as `FRAMESIZE`
[INFO] [stderr]   --> src/main.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const framesize:usize = 64*32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `cpu_message` should have a camel case name such as `CpuMessage`
[INFO] [stderr]   --> src/main.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / pub enum cpu_message {
[INFO] [stderr] 26 | |     Frame([bool; framesize]),
[INFO] [stderr] 27 | |     Render,
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Frame([bool; framesize]),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Frame(Box<[bool; framesize]>),
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `display_message` should have a camel case name such as `DisplayMessage`
[INFO] [stderr]   --> src/main.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / pub enum display_message {
[INFO] [stderr] 41 | |     Input([bool; 16]),
[INFO] [stderr] 42 | |     Die,
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 | /             match self.cpu.cpu_cycle(&mut self.mem)? {
[INFO] [stderr] 78 | |                 cpu::ScreenUpdate::Yes => {self.display(); self.cpu_lock += 1;}
[INFO] [stderr] 79 | |                 _ => {}
[INFO] [stderr] 80 | |             };
[INFO] [stderr]    | |_____________^ help: try this: `if let cpu::ScreenUpdate::Yes = self.cpu.cpu_cycle(&mut self.mem)? {self.display(); self.cpu_lock += 1;}`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     chip8.load("pong.ch8");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `setupGraphics` should have a snake case name such as `setup_graphics`
[INFO] [stderr]    --> src/main.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn setupGraphics() {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `setupInput` should have a snake case name such as `setup_input`
[INFO] [stderr]    --> src/main.rs:144:1
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn setupInput() {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.52s
[INFO] running `"docker" "inspect" "08dcc2e68a817187bff4616512e4d5a839e772fe8bf0493078a83f65e304f6dc"`
[INFO] running `"docker" "rm" "-f" "08dcc2e68a817187bff4616512e4d5a839e772fe8bf0493078a83f65e304f6dc"`
[INFO] [stdout] 08dcc2e68a817187bff4616512e4d5a839e772fe8bf0493078a83f65e304f6dc