[INFO] updating cached repository SwapnilBhosale/crust8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SwapnilBhosale/crust8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SwapnilBhosale/crust8" "work/ex/clippy-test-run/sources/stable/gh/SwapnilBhosale/crust8"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/SwapnilBhosale/crust8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SwapnilBhosale/crust8" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SwapnilBhosale/crust8"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SwapnilBhosale/crust8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40a6d3b763163ce9e93ba4b6a74b3400a2217fec
[INFO] sha for GitHub repo SwapnilBhosale/crust8: 40a6d3b763163ce9e93ba4b6a74b3400a2217fec
[INFO] validating manifest of SwapnilBhosale/crust8 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 SwapnilBhosale/crust8 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 SwapnilBhosale/crust8
[INFO] finished frobbing SwapnilBhosale/crust8
[INFO] frobbed toml for SwapnilBhosale/crust8 written to work/ex/clippy-test-run/sources/stable/gh/SwapnilBhosale/crust8/Cargo.toml
[INFO] started frobbing SwapnilBhosale/crust8
[INFO] finished frobbing SwapnilBhosale/crust8
[INFO] frobbed toml for SwapnilBhosale/crust8 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SwapnilBhosale/crust8/Cargo.toml
[INFO] crate SwapnilBhosale/crust8 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 SwapnilBhosale/crust8 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/SwapnilBhosale/crust8:/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] e6aed6214607fd5ae0257b4aaf436849413c9dabcd33f4637b45981f6ff6a8bd
[INFO] running `"docker" "start" "-a" "e6aed6214607fd5ae0257b4aaf436849413c9dabcd33f4637b45981f6ff6a8bd"`
[INFO] [stderr] warning: unused manifest key: package.email
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.36.1
[INFO] [stderr]     Checking crust8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/app.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             window : window,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: replace it with: `window`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/app.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             window : window,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: replace it with: `window`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/chip.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/chip.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in (0..80){
[INFO] [stderr]    |                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/chip.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |                         for i in(0..GRAPHICS_SIZE){
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/chip.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/chip.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in (0..80){
[INFO] [stderr]    |                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/chip.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |                         for i in(0..GRAPHICS_SIZE){
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/chip.rs:225:30
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 for yline in (0..n as u32){
[INFO] [stderr]     |                              ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/chip.rs:227:34
[INFO] [stderr]     |
[INFO] [stderr] 227 |                     for xline in (0..8 as u32){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/chip.rs:271:34
[INFO] [stderr]     |
[INFO] [stderr] 271 |                         for i in (0..16 as usize){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/chip.rs:307:34
[INFO] [stderr]     |
[INFO] [stderr] 307 |                         for i in (0..((opcode & 0x0F00) >> 8) + 1){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/chip.rs:314:34
[INFO] [stderr]     |
[INFO] [stderr] 314 |                         for i in (0..((opcode & 0x0F00) >> 8) +1 ){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::Cpu`
[INFO] [stderr]  --> src/app.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use cpu::Cpu;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/app.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 for y in (0..32){
[INFO] [stderr]    |                          ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/app.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 |                     for x in (0..64){
[INFO] [stderr]    |                              ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::window::WindowSettings`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use piston::window::WindowSettings;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::event_loop::*`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use piston::event_loop::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::input::*`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use piston::input::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glutin_window::GlutinWindow as Window`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use glutin_window::GlutinWindow as Window;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GlGraphics`, `OpenGL`
[INFO] [stderr]   --> src/main.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 | use opengl_graphics::{ GlGraphics, OpenGL };
[INFO] [stderr]    |                        ^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::*`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rand::*;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chip::Chip`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use chip::Chip;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::Cpu`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use cpu::Cpu;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/main.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 |     for i in (512..600){
[INFO] [stderr]    |              ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/chip.rs:225:30
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 for yline in (0..n as u32){
[INFO] [stderr]     |                              ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/chip.rs:227:34
[INFO] [stderr]     |
[INFO] [stderr] 227 |                     for xline in (0..8 as u32){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/chip.rs:271:34
[INFO] [stderr]     |
[INFO] [stderr] 271 |                         for i in (0..16 as usize){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/chip.rs:307:34
[INFO] [stderr]     |
[INFO] [stderr] 307 |                         for i in (0..((opcode & 0x0F00) >> 8) + 1){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/chip.rs:314:34
[INFO] [stderr]     |
[INFO] [stderr] 314 |                         for i in (0..((opcode & 0x0F00) >> 8) +1 ){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::Cpu`
[INFO] [stderr]  --> src/app.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use cpu::Cpu;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/app.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 for y in (0..32){
[INFO] [stderr]    |                          ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/app.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 |                     for x in (0..64){
[INFO] [stderr]    |                              ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::window::WindowSettings`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use piston::window::WindowSettings;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::event_loop::*`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use piston::event_loop::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::input::*`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use piston::input::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glutin_window::GlutinWindow as Window`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use glutin_window::GlutinWindow as Window;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GlGraphics`, `OpenGL`
[INFO] [stderr]   --> src/main.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 | use opengl_graphics::{ GlGraphics, OpenGL };
[INFO] [stderr]    |                        ^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::*`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rand::*;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chip::Chip`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use chip::Chip;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::Cpu`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use cpu::Cpu;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/main.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 |     for i in (512..600){
[INFO] [stderr]    |              ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_draw_needed`
[INFO] [stderr]   --> src/chip.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut is_draw_needed = false;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_is_draw_needed` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `opcode` is never read
[INFO] [stderr]   --> src/chip.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut opcode = 0;
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/chip.rs:224:25
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 let mut pixel = 0;
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tempData`
[INFO] [stderr]   --> src/app.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut tempData = [[0;32];64];
[INFO] [stderr]    |                 ^^^^^^^^ help: consider using `_tempData` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/chip.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut is_draw_needed = false;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/app.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut tempData = [[0;32];64];
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/app.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut window: Window = WindowSettings::new(
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `run`
[INFO] [stderr]   --> src/chip.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn run(&mut self){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MEMORY_SIZE`
[INFO] [stderr]  --> src/cpu.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | const MEMORY_SIZE : usize = 4 * 1024;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `GRAPHICS_SIZE`
[INFO] [stderr]  --> src/cpu.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const GRAPHICS_SIZE : usize = 64*32;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_ram_location`
[INFO] [stderr]   --> src/main.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn print_ram_location(chip : chip::Chip){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/chip.rs:30:42
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn start_cpu(&mut self,program : &Vec<u8>){
[INFO] [stderr]    |                                          ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `char_set`
[INFO] [stderr]   --> src/chip.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in (0..80){
[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 char_set.iter().enumerate(){
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/chip.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in (0..80){
[INFO] [stderr]    |                  ^^^^^^^ help: try replacing the loop by: `self.memory[..80].clone_from_slice(&char_set[..80])`
[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: unused variable: `is_draw_needed`
[INFO] [stderr]   --> src/chip.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut is_draw_needed = false;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_is_draw_needed` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/chip.rs:70:5
[INFO] [stderr]     |
[INFO] [stderr] 70  | /     pub fn execute(&mut self) -> bool {
[INFO] [stderr] 71  | |         let mut is_draw_needed = false;
[INFO] [stderr] 72  | |         let mut opcode = 0;
[INFO] [stderr] 73  | |         //println!(" {:x} {:x} {:x}",self.cpu.reg_pc,self.memory[self.cpu.reg_pc],self.memory[self.cpu.reg_pc + 1]);
[INFO] [stderr] ...   |
[INFO] [stderr] 328 | |         is_draw_needed
[INFO] [stderr] 329 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `opcode` is never read
[INFO] [stderr]   --> src/chip.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut opcode = 0;
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/chip.rs:224:25
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 let mut pixel = 0;
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tempData`
[INFO] [stderr]   --> src/app.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut tempData = [[0;32];64];
[INFO] [stderr]    |                 ^^^^^^^^ help: consider using `_tempData` instead
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/chip.rs:74:19
[INFO] [stderr]    |
[INFO] [stderr] 74 |         opcode = ((self.memory[self.cpu.reg_pc] as u16) << 8) | self.memory[self.cpu.reg_pc + 1] as u16;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.memory[self.cpu.reg_pc])`
[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/chip.rs:74:65
[INFO] [stderr]    |
[INFO] [stderr] 74 |         opcode = ((self.memory[self.cpu.reg_pc] as u16) << 8) | self.memory[self.cpu.reg_pc + 1] as u16;
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.memory[self.cpu.reg_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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/chip.rs:153:33
[INFO] [stderr]     |
[INFO] [stderr] 153 |                         let r = self.cpu.reg_gpr[((opcode & 0x00F0) >> 4) as usize] as u16 + self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize] as u16;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.cpu.reg_gpr[((opcode & 0x00F0) >> 4) as usize])`
[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/chip.rs:153:94
[INFO] [stderr]     |
[INFO] [stderr] 153 |                         let r = self.cpu.reg_gpr[((opcode & 0x00F0) >> 4) as usize] as u16 + self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize] as u16;
[INFO] [stderr]     |                                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/chip.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 let x = self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize] as u32;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/chip.rs:219:25
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 let y = self.cpu.reg_gpr[((opcode & 0x00F0) >> 4) as usize] as u32;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.cpu.reg_gpr[((opcode & 0x00F0) >> 4) as usize])`
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/chip.rs:222:25
[INFO] [stderr]     |
[INFO] [stderr] 222 |                 let n = (opcode & 0x000F) as u32;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(opcode & 0x000F)`
[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 does not need to be mutable
[INFO] [stderr]   --> src/chip.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut is_draw_needed = false;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/chip.rs:290:43
[INFO] [stderr]     |
[INFO] [stderr] 290 |                         self.cpu.reg_I += self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize] as u16;
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize])`
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[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/chip.rs:294:42
[INFO] [stderr]     |
[INFO] [stderr] 294 |                         self.cpu.reg_I = self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize] as u16 * 5;
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize])`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/chip.rs:300:25
[INFO] [stderr]     |
[INFO] [stderr] 300 |                         v = v / 10;
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace it with: `v /= 10`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/chip.rs:302:25
[INFO] [stderr]     |
[INFO] [stderr] 302 |                         v = v / 10;
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace it with: `v /= 10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/chip.rs:307:34
[INFO] [stderr]     |
[INFO] [stderr] 307 |                         for i in (0..((opcode & 0x0F00) >> 8) + 1){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(0..=((opcode & 0x0F00) >> 8))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/chip.rs:314:34
[INFO] [stderr]     |
[INFO] [stderr] 314 |                         for i in (0..((opcode & 0x0F00) >> 8) +1 ){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(0..=((opcode & 0x0F00) >> 8))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `reg_I` should have a snake case name such as `reg_i`
[INFO] [stderr]   --> src/cpu.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub reg_I : u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `tempData` should have a snake case name such as `temp_data`
[INFO] [stderr]   --> src/app.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut tempData = [[0;32];64];
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 |                                       [x as f64 * 10.0 + 0.0 as f64, y as f64 * 10.0 + 0.0 as f64, 
[INFO] [stderr]    |                                        ^^^^^^^^ help: try: `f64::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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:44:70
[INFO] [stderr]    |
[INFO] [stderr] 44 |                                       [x as f64 * 10.0 + 0.0 as f64, y as f64 * 10.0 + 0.0 as f64, 
[INFO] [stderr]    |                                                                      ^^^^^^^^ help: try: `f64::from(y)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:45:39
[INFO] [stderr]    |
[INFO] [stderr] 45 |                                       x as f64 * 10.0 + 10.0 as f64, y as f64 * 10.0 + 10.0 as f64],
[INFO] [stderr]    |                                       ^^^^^^^^ help: try: `f64::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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:45:70
[INFO] [stderr]    |
[INFO] [stderr] 45 |                                       x as f64 * 10.0 + 10.0 as f64, y as f64 * 10.0 + 10.0 as f64],
[INFO] [stderr]    |                                                                      ^^^^^^^^ help: try: `f64::from(y)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:49:40
[INFO] [stderr]    |
[INFO] [stderr] 49 |                                       [x as f64 * 10.0 + 0.0 as f64, y as f64 * 10.0 + 0.0 as f64, 
[INFO] [stderr]    |                                        ^^^^^^^^ help: try: `f64::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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:49:70
[INFO] [stderr]    |
[INFO] [stderr] 49 |                                       [x as f64 * 10.0 + 0.0 as f64, y as f64 * 10.0 + 0.0 as f64, 
[INFO] [stderr]    |                                                                      ^^^^^^^^ help: try: `f64::from(y)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:50:39
[INFO] [stderr]    |
[INFO] [stderr] 50 |                                       x as f64 * 10.0 + 10.0 as f64, y as f64 * 10.0 + 10.0 as f64],
[INFO] [stderr]    |                                       ^^^^^^^^ help: try: `f64::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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:50:70
[INFO] [stderr]    |
[INFO] [stderr] 50 |                                       x as f64 * 10.0 + 10.0 as f64, y as f64 * 10.0 + 10.0 as f64],
[INFO] [stderr]    |                                                                      ^^^^^^^^ help: try: `f64::from(y)`
[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 use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/app.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 | /                 match &b {
[INFO] [stderr] 101 | |                     &Button::Keyboard(k) => match &k {
[INFO] [stderr] 102 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 103 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 1 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | |                     _ => {}
[INFO] [stderr] 123 | |                 }
[INFO] [stderr]     | |_________________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 if let &Button::Keyboard(k) = &b { match &k {
[INFO] [stderr] 101 |     &Key::Escape => process::exit(0),
[INFO] [stderr] 102 |     &Key::D1 => self.chip.cpu.keys[0x1] = 1 as u8,
[INFO] [stderr] 103 |     &Key::D2 => self.chip.cpu.keys[0x2] = 1 as u8,
[INFO] [stderr] 104 |     &Key::D3 => self.chip.cpu.keys[0x3] = 1 as u8,
[INFO] [stderr] 105 |     &Key::D4 => self.chip.cpu.keys[0xC] = 1 as u8,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/app.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 | /                 match &b {
[INFO] [stderr] 101 | |                     &Button::Keyboard(k) => match &k {
[INFO] [stderr] 102 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 103 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 1 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | |                     _ => {}
[INFO] [stderr] 123 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 match b {
[INFO] [stderr] 101 |                     Button::Keyboard(k) => match &k {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/app.rs:101:45
[INFO] [stderr]     |
[INFO] [stderr] 101 |                       &Button::Keyboard(k) => match &k {
[INFO] [stderr]     |  _____________________________________________^
[INFO] [stderr] 102 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 103 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 1 as u8,
[INFO] [stderr] 104 | |                         &Key::D2 => self.chip.cpu.keys[0x2] = 1 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 120 | |                         _ => {}
[INFO] [stderr] 121 | |                     },
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 101 |                     &Button::Keyboard(k) => match k {
[INFO] [stderr] 102 |                         Key::Escape => process::exit(0),
[INFO] [stderr] 103 |                         Key::D1 => self.chip.cpu.keys[0x1] = 1 as u8,
[INFO] [stderr] 104 |                         Key::D2 => self.chip.cpu.keys[0x2] = 1 as u8,
[INFO] [stderr] 105 |                         Key::D3 => self.chip.cpu.keys[0x3] = 1 as u8,
[INFO] [stderr] 106 |                         Key::D4 => self.chip.cpu.keys[0xC] = 1 as u8,
[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/app.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 | /                 match &b {
[INFO] [stderr] 128 | |                     &Button::Keyboard(k) => match &k {
[INFO] [stderr] 129 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 130 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 0 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |                     _ => {}
[INFO] [stderr] 150 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 if let &Button::Keyboard(k) = &b { match &k {
[INFO] [stderr] 128 |     &Key::Escape => process::exit(0),
[INFO] [stderr] 129 |     &Key::D1 => self.chip.cpu.keys[0x1] = 0 as u8,
[INFO] [stderr] 130 |     &Key::D2 => self.chip.cpu.keys[0x2] = 0 as u8,
[INFO] [stderr] 131 |     &Key::D3 => self.chip.cpu.keys[0x3] = 0 as u8,
[INFO] [stderr] 132 |     &Key::D4 => self.chip.cpu.keys[0xC] = 0 as u8,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/app.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 | /                 match &b {
[INFO] [stderr] 128 | |                     &Button::Keyboard(k) => match &k {
[INFO] [stderr] 129 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 130 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 0 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |                     _ => {}
[INFO] [stderr] 150 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 match b {
[INFO] [stderr] 128 |                     Button::Keyboard(k) => match &k {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/app.rs:128:45
[INFO] [stderr]     |
[INFO] [stderr] 128 |                       &Button::Keyboard(k) => match &k {
[INFO] [stderr]     |  _____________________________________________^
[INFO] [stderr] 129 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 130 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 0 as u8,
[INFO] [stderr] 131 | |                         &Key::D2 => self.chip.cpu.keys[0x2] = 0 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |                         _ => {}
[INFO] [stderr] 148 | |                     },
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 128 |                     &Button::Keyboard(k) => match k {
[INFO] [stderr] 129 |                         Key::Escape => process::exit(0),
[INFO] [stderr] 130 |                         Key::D1 => self.chip.cpu.keys[0x1] = 0 as u8,
[INFO] [stderr] 131 |                         Key::D2 => self.chip.cpu.keys[0x2] = 0 as u8,
[INFO] [stderr] 132 |                         Key::D3 => self.chip.cpu.keys[0x3] = 0 as u8,
[INFO] [stderr] 133 |                         Key::D4 => self.chip.cpu.keys[0xC] = 0 as u8,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/app.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut tempData = [[0;32];64];
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/app.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut window: Window = WindowSettings::new(
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `run`
[INFO] [stderr]   --> src/chip.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn run(&mut self){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MEMORY_SIZE`
[INFO] [stderr]  --> src/cpu.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | const MEMORY_SIZE : usize = 4 * 1024;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `GRAPHICS_SIZE`
[INFO] [stderr]  --> src/cpu.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const GRAPHICS_SIZE : usize = 64*32;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_ram_location`
[INFO] [stderr]   --> src/main.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn print_ram_location(chip : chip::Chip){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/chip.rs:30:42
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn start_cpu(&mut self,program : &Vec<u8>){
[INFO] [stderr]    |                                          ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `char_set`
[INFO] [stderr]   --> src/chip.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in (0..80){
[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 char_set.iter().enumerate(){
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/chip.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in (0..80){
[INFO] [stderr]    |                  ^^^^^^^ help: try replacing the loop by: `self.memory[..80].clone_from_slice(&char_set[..80])`
[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: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/chip.rs:70:5
[INFO] [stderr]     |
[INFO] [stderr] 70  | /     pub fn execute(&mut self) -> bool {
[INFO] [stderr] 71  | |         let mut is_draw_needed = false;
[INFO] [stderr] 72  | |         let mut opcode = 0;
[INFO] [stderr] 73  | |         //println!(" {:x} {:x} {:x}",self.cpu.reg_pc,self.memory[self.cpu.reg_pc],self.memory[self.cpu.reg_pc + 1]);
[INFO] [stderr] ...   |
[INFO] [stderr] 328 | |         is_draw_needed
[INFO] [stderr] 329 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/chip.rs:74:19
[INFO] [stderr]    |
[INFO] [stderr] 74 |         opcode = ((self.memory[self.cpu.reg_pc] as u16) << 8) | self.memory[self.cpu.reg_pc + 1] as u16;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.memory[self.cpu.reg_pc])`
[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/chip.rs:74:65
[INFO] [stderr]    |
[INFO] [stderr] 74 |         opcode = ((self.memory[self.cpu.reg_pc] as u16) << 8) | self.memory[self.cpu.reg_pc + 1] as u16;
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.memory[self.cpu.reg_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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/chip.rs:153:33
[INFO] [stderr]     |
[INFO] [stderr] 153 |                         let r = self.cpu.reg_gpr[((opcode & 0x00F0) >> 4) as usize] as u16 + self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize] as u16;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.cpu.reg_gpr[((opcode & 0x00F0) >> 4) as usize])`
[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/chip.rs:153:94
[INFO] [stderr]     |
[INFO] [stderr] 153 |                         let r = self.cpu.reg_gpr[((opcode & 0x00F0) >> 4) as usize] as u16 + self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize] as u16;
[INFO] [stderr]     |                                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/chip.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 let x = self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize] as u32;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/chip.rs:219:25
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 let y = self.cpu.reg_gpr[((opcode & 0x00F0) >> 4) as usize] as u32;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.cpu.reg_gpr[((opcode & 0x00F0) >> 4) as usize])`
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/chip.rs:222:25
[INFO] [stderr]     |
[INFO] [stderr] 222 |                 let n = (opcode & 0x000F) as u32;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(opcode & 0x000F)`
[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/chip.rs:290:43
[INFO] [stderr]     |
[INFO] [stderr] 290 |                         self.cpu.reg_I += self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize] as u16;
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize])`
[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/chip.rs:294:42
[INFO] [stderr]     |
[INFO] [stderr] 294 |                         self.cpu.reg_I = self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize] as u16 * 5;
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.cpu.reg_gpr[((opcode & 0x0F00) >> 8) as usize])`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/chip.rs:300:25
[INFO] [stderr]     |
[INFO] [stderr] 300 |                         v = v / 10;
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace it with: `v /= 10`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/chip.rs:302:25
[INFO] [stderr]     |
[INFO] [stderr] 302 |                         v = v / 10;
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace it with: `v /= 10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/chip.rs:307:34
[INFO] [stderr]     |
[INFO] [stderr] 307 |                         for i in (0..((opcode & 0x0F00) >> 8) + 1){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(0..=((opcode & 0x0F00) >> 8))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/chip.rs:314:34
[INFO] [stderr]     |
[INFO] [stderr] 314 |                         for i in (0..((opcode & 0x0F00) >> 8) +1 ){
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(0..=((opcode & 0x0F00) >> 8))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `reg_I` should have a snake case name such as `reg_i`
[INFO] [stderr]   --> src/cpu.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub reg_I : u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `tempData` should have a snake case name such as `temp_data`
[INFO] [stderr]   --> src/app.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut tempData = [[0;32];64];
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 |                                       [x as f64 * 10.0 + 0.0 as f64, y as f64 * 10.0 + 0.0 as f64, 
[INFO] [stderr]    |                                        ^^^^^^^^ help: try: `f64::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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:44:70
[INFO] [stderr]    |
[INFO] [stderr] 44 |                                       [x as f64 * 10.0 + 0.0 as f64, y as f64 * 10.0 + 0.0 as f64, 
[INFO] [stderr]    |                                                                      ^^^^^^^^ help: try: `f64::from(y)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:45:39
[INFO] [stderr]    |
[INFO] [stderr] 45 |                                       x as f64 * 10.0 + 10.0 as f64, y as f64 * 10.0 + 10.0 as f64],
[INFO] [stderr]    |                                       ^^^^^^^^ help: try: `f64::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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:45:70
[INFO] [stderr]    |
[INFO] [stderr] 45 |                                       x as f64 * 10.0 + 10.0 as f64, y as f64 * 10.0 + 10.0 as f64],
[INFO] [stderr]    |                                                                      ^^^^^^^^ help: try: `f64::from(y)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:49:40
[INFO] [stderr]    |
[INFO] [stderr] 49 |                                       [x as f64 * 10.0 + 0.0 as f64, y as f64 * 10.0 + 0.0 as f64, 
[INFO] [stderr]    |                                        ^^^^^^^^ help: try: `f64::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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:49:70
[INFO] [stderr]    |
[INFO] [stderr] 49 |                                       [x as f64 * 10.0 + 0.0 as f64, y as f64 * 10.0 + 0.0 as f64, 
[INFO] [stderr]    |                                                                      ^^^^^^^^ help: try: `f64::from(y)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:50:39
[INFO] [stderr]    |
[INFO] [stderr] 50 |                                       x as f64 * 10.0 + 10.0 as f64, y as f64 * 10.0 + 10.0 as f64],
[INFO] [stderr]    |                                       ^^^^^^^^ help: try: `f64::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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/app.rs:50:70
[INFO] [stderr]    |
[INFO] [stderr] 50 |                                       x as f64 * 10.0 + 10.0 as f64, y as f64 * 10.0 + 10.0 as f64],
[INFO] [stderr]    |                                                                      ^^^^^^^^ help: try: `f64::from(y)`
[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 use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/app.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 | /                 match &b {
[INFO] [stderr] 101 | |                     &Button::Keyboard(k) => match &k {
[INFO] [stderr] 102 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 103 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 1 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | |                     _ => {}
[INFO] [stderr] 123 | |                 }
[INFO] [stderr]     | |_________________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 if let &Button::Keyboard(k) = &b { match &k {
[INFO] [stderr] 101 |     &Key::Escape => process::exit(0),
[INFO] [stderr] 102 |     &Key::D1 => self.chip.cpu.keys[0x1] = 1 as u8,
[INFO] [stderr] 103 |     &Key::D2 => self.chip.cpu.keys[0x2] = 1 as u8,
[INFO] [stderr] 104 |     &Key::D3 => self.chip.cpu.keys[0x3] = 1 as u8,
[INFO] [stderr] 105 |     &Key::D4 => self.chip.cpu.keys[0xC] = 1 as u8,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/app.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 | /                 match &b {
[INFO] [stderr] 101 | |                     &Button::Keyboard(k) => match &k {
[INFO] [stderr] 102 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 103 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 1 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | |                     _ => {}
[INFO] [stderr] 123 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 match b {
[INFO] [stderr] 101 |                     Button::Keyboard(k) => match &k {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/app.rs:101:45
[INFO] [stderr]     |
[INFO] [stderr] 101 |                       &Button::Keyboard(k) => match &k {
[INFO] [stderr]     |  _____________________________________________^
[INFO] [stderr] 102 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 103 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 1 as u8,
[INFO] [stderr] 104 | |                         &Key::D2 => self.chip.cpu.keys[0x2] = 1 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 120 | |                         _ => {}
[INFO] [stderr] 121 | |                     },
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 101 |                     &Button::Keyboard(k) => match k {
[INFO] [stderr] 102 |                         Key::Escape => process::exit(0),
[INFO] [stderr] 103 |                         Key::D1 => self.chip.cpu.keys[0x1] = 1 as u8,
[INFO] [stderr] 104 |                         Key::D2 => self.chip.cpu.keys[0x2] = 1 as u8,
[INFO] [stderr] 105 |                         Key::D3 => self.chip.cpu.keys[0x3] = 1 as u8,
[INFO] [stderr] 106 |                         Key::D4 => self.chip.cpu.keys[0xC] = 1 as u8,
[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/app.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 | /                 match &b {
[INFO] [stderr] 128 | |                     &Button::Keyboard(k) => match &k {
[INFO] [stderr] 129 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 130 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 0 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |                     _ => {}
[INFO] [stderr] 150 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 if let &Button::Keyboard(k) = &b { match &k {
[INFO] [stderr] 128 |     &Key::Escape => process::exit(0),
[INFO] [stderr] 129 |     &Key::D1 => self.chip.cpu.keys[0x1] = 0 as u8,
[INFO] [stderr] 130 |     &Key::D2 => self.chip.cpu.keys[0x2] = 0 as u8,
[INFO] [stderr] 131 |     &Key::D3 => self.chip.cpu.keys[0x3] = 0 as u8,
[INFO] [stderr] 132 |     &Key::D4 => self.chip.cpu.keys[0xC] = 0 as u8,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/app.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 | /                 match &b {
[INFO] [stderr] 128 | |                     &Button::Keyboard(k) => match &k {
[INFO] [stderr] 129 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 130 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 0 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |                     _ => {}
[INFO] [stderr] 150 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 match b {
[INFO] [stderr] 128 |                     Button::Keyboard(k) => match &k {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/app.rs:128:45
[INFO] [stderr]     |
[INFO] [stderr] 128 |                       &Button::Keyboard(k) => match &k {
[INFO] [stderr]     |  _____________________________________________^
[INFO] [stderr] 129 | |                         &Key::Escape => process::exit(0),
[INFO] [stderr] 130 | |                         &Key::D1 => self.chip.cpu.keys[0x1] = 0 as u8,
[INFO] [stderr] 131 | |                         &Key::D2 => self.chip.cpu.keys[0x2] = 0 as u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |                         _ => {}
[INFO] [stderr] 148 | |                     },
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 128 |                     &Button::Keyboard(k) => match k {
[INFO] [stderr] 129 |                         Key::Escape => process::exit(0),
[INFO] [stderr] 130 |                         Key::D1 => self.chip.cpu.keys[0x1] = 0 as u8,
[INFO] [stderr] 131 |                         Key::D2 => self.chip.cpu.keys[0x2] = 0 as u8,
[INFO] [stderr] 132 |                         Key::D3 => self.chip.cpu.keys[0x3] = 0 as u8,
[INFO] [stderr] 133 |                         Key::D4 => self.chip.cpu.keys[0xC] = 0 as u8,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.27s
[INFO] running `"docker" "inspect" "e6aed6214607fd5ae0257b4aaf436849413c9dabcd33f4637b45981f6ff6a8bd"`
[INFO] running `"docker" "rm" "-f" "e6aed6214607fd5ae0257b4aaf436849413c9dabcd33f4637b45981f6ff6a8bd"`
[INFO] [stdout] e6aed6214607fd5ae0257b4aaf436849413c9dabcd33f4637b45981f6ff6a8bd