Dec 17 14:34:57.923 INFO checking strangelovephd/rusty_chip against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 14:34:57.923 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/strangelovephd/rusty_chip:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:34:58.156 INFO [stdout] 47e4be90fd34fd3ea7f9a097d854d815f6ddf1e0903f529d99f7f422f73fd4a1
Dec 17 14:34:58.163 INFO running `"docker" "start" "-a" "47e4be90fd34fd3ea7f9a097d854d815f6ddf1e0903f529d99f7f422f73fd4a1"`
Dec 17 14:34:59.253 INFO [stderr]     Checking arrayvec v0.4.8
Dec 17 14:34:59.254 INFO [stderr]    Compiling phf v0.7.23
Dec 17 14:34:59.260 INFO [stderr]    Compiling num-traits v0.1.43
Dec 17 14:34:59.260 INFO [stderr]    Compiling gl_generator v0.7.0
Dec 17 14:34:59.260 INFO [stderr]    Compiling gl_generator v0.6.1
Dec 17 14:34:59.260 INFO [stderr]    Compiling phf_generator v0.7.23
Dec 17 14:34:59.260 INFO [stderr]     Checking num-rational v0.1.42
Dec 17 14:34:59.260 INFO [stderr]     Checking enum_primitive v0.1.1
Dec 17 14:34:59.436 INFO [stderr]     Checking fs2 v0.2.5
Dec 17 14:34:59.595 INFO [stderr]     Checking tempfile v2.2.0
Dec 17 14:34:59.876 INFO [stderr]     Checking png v0.11.0
Dec 17 14:34:59.990 INFO [stderr]    Compiling derivative v1.0.2
Dec 17 14:35:00.147 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 17 14:35:00.224 INFO [stderr]    Compiling serde_json v0.9.10
Dec 17 14:35:00.676 INFO [stderr]     Checking memmap v0.4.0
Dec 17 14:35:00.934 INFO [stderr]    Compiling phf_codegen v0.7.23
Dec 17 14:35:01.397 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 17 14:35:04.732 INFO [stderr]     Checking rusttype v0.2.3
Dec 17 14:35:04.747 INFO [stderr]    Compiling target_build_utils v0.3.1
Dec 17 14:35:04.768 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 17 14:35:04.832 INFO [stderr]    Compiling gl v0.7.0
Dec 17 14:35:14.882 INFO [stderr]    Compiling gfx_gl v0.4.0
Dec 17 14:35:15.396 INFO [stderr]     Checking rayon-core v1.4.1
Dec 17 14:35:15.467 INFO [stderr]    Compiling glutin v0.10.1
Dec 17 14:35:15.540 INFO [stderr]     Checking piston2d-graphics v0.24.0
Dec 17 14:35:29.617 INFO [stderr]     Checking rayon v1.0.3
Dec 17 14:35:30.074 INFO [stderr]     Checking gfx_core v0.7.2
Dec 17 14:35:41.865 INFO [stderr]     Checking pistoncore-input v0.20.0
Dec 17 14:35:51.224 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 17 14:35:51.393 INFO [stderr]    Compiling libloading v0.3.4
Dec 17 14:35:55.696 INFO [stderr]     Checking image v0.18.0
Dec 17 14:35:56.013 INFO [stderr]     Checking pistoncore-window v0.30.0
Dec 17 14:35:57.573 INFO [stderr]     Checking dlib v0.3.1
Dec 17 14:35:58.170 INFO [stderr]     Checking wayland-sys v0.9.10
Dec 17 14:35:58.654 INFO [stderr]     Checking pistoncore-event_loop v0.35.0
Dec 17 14:35:59.708 INFO [stderr]     Checking wayland-client v0.9.10
Dec 17 14:36:00.186 INFO [stderr]     Checking piston v0.35.0
Dec 17 14:36:03.521 INFO [stderr]     Checking wayland-protocols v0.9.10
Dec 17 14:36:03.528 INFO [stderr]     Checking wayland-kbd v0.9.1
Dec 17 14:36:07.536 INFO [stderr]     Checking wayland-window v0.8.0
Dec 17 14:36:08.142 INFO [stderr]     Checking winit v0.8.3
Dec 17 14:36:12.874 INFO [stderr]     Checking pistoncore-glutin_window v0.43.0
Dec 17 14:36:23.858 INFO [stderr]     Checking gfx v0.16.3
Dec 17 14:36:23.860 INFO [stderr]     Checking gfx_device_gl v0.14.6
Dec 17 14:36:30.035 INFO [stderr]     Checking piston-gfx_texture v0.30.0
Dec 17 14:36:30.940 INFO [stderr]     Checking piston2d-gfx_graphics v0.47.0
Dec 17 14:36:32.910 INFO [stderr]     Checking piston_window v0.74.0
Dec 17 14:36:33.645 INFO [stderr]     Checking rusty_chip8 v0.1.0 (/opt/crater/workdir)
Dec 17 14:36:34.412 INFO [stderr] warning: unused imports: `BLACK`, `HEIGHT`, `WHITE`, `WIDTH`, `draw_block`
Dec 17 14:36:34.412 INFO [stderr]  --> src/chip8.rs:9:23
Dec 17 14:36:34.412 INFO [stderr]   |
Dec 17 14:36:34.412 INFO [stderr] 9 | use super::graphics::{draw_block, Display, HEIGHT, WIDTH, BLACK, WHITE};
Dec 17 14:36:34.412 INFO [stderr]   |                       ^^^^^^^^^^           ^^^^^^  ^^^^^  ^^^^^  ^^^^^
Dec 17 14:36:34.412 INFO [stderr]   |
Dec 17 14:36:34.412 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 14:36:34.412 INFO [stderr] 
Dec 17 14:36:34.412 INFO [stderr] warning: unused import: `piston_window::types::Color`
Dec 17 14:36:34.412 INFO [stderr]   --> src/chip8.rs:11:5
Dec 17 14:36:34.412 INFO [stderr]    |
Dec 17 14:36:34.412 INFO [stderr] 11 | use piston_window::types::Color;
Dec 17 14:36:34.413 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.413 INFO [stderr] 
Dec 17 14:36:34.413 INFO [stderr] warning: unnecessary parentheses around pattern
Dec 17 14:36:34.413 INFO [stderr]    --> src/chip8.rs:137:21
Dec 17 14:36:34.413 INFO [stderr]     |
Dec 17 14:36:34.413 INFO [stderr] 137 |                     (_) => {},
Dec 17 14:36:34.413 INFO [stderr]     |                     ^^^ help: remove these parentheses
Dec 17 14:36:34.413 INFO [stderr]     |
Dec 17 14:36:34.413 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 17 14:36:34.413 INFO [stderr] 
Dec 17 14:36:34.413 INFO [stderr] warning: unused imports: `BLACK`, `HEIGHT`, `WHITE`, `WIDTH`, `draw_block`
Dec 17 14:36:34.413 INFO [stderr]  --> src/chip8.rs:9:23
Dec 17 14:36:34.413 INFO [stderr]   |
Dec 17 14:36:34.413 INFO [stderr] 9 | use super::graphics::{draw_block, Display, HEIGHT, WIDTH, BLACK, WHITE};
Dec 17 14:36:34.413 INFO [stderr]   |                       ^^^^^^^^^^           ^^^^^^  ^^^^^  ^^^^^  ^^^^^
Dec 17 14:36:34.413 INFO [stderr]   |
Dec 17 14:36:34.413 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 14:36:34.413 INFO [stderr] 
Dec 17 14:36:34.413 INFO [stderr] warning: unused import: `piston_window::types::Color`
Dec 17 14:36:34.413 INFO [stderr]   --> src/chip8.rs:11:5
Dec 17 14:36:34.413 INFO [stderr]    |
Dec 17 14:36:34.413 INFO [stderr] 11 | use piston_window::types::Color;
Dec 17 14:36:34.413 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.413 INFO [stderr] 
Dec 17 14:36:34.413 INFO [stderr] warning: unnecessary parentheses around pattern
Dec 17 14:36:34.413 INFO [stderr]    --> src/chip8.rs:137:21
Dec 17 14:36:34.413 INFO [stderr]     |
Dec 17 14:36:34.413 INFO [stderr] 137 |                     (_) => {},
Dec 17 14:36:34.413 INFO [stderr]     |                     ^^^ help: remove these parentheses
Dec 17 14:36:34.413 INFO [stderr]     |
Dec 17 14:36:34.413 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 17 14:36:34.413 INFO [stderr] 
Dec 17 14:36:34.413 INFO [stderr] warning: unused import: `super::*`
Dec 17 14:36:34.413 INFO [stderr]    --> src/chip8.rs:287:9
Dec 17 14:36:34.413 INFO [stderr]     |
Dec 17 14:36:34.413 INFO [stderr] 287 |     use super::*;
Dec 17 14:36:34.413 INFO [stderr]     |         ^^^^^^^^
Dec 17 14:36:34.413 INFO [stderr] 
Dec 17 14:36:34.669 INFO [stderr] warning: unreachable pattern
Dec 17 14:36:34.669 INFO [stderr]    --> src/chip8.rs:138:21
Dec 17 14:36:34.669 INFO [stderr]     |
Dec 17 14:36:34.669 INFO [stderr] 138 |                     Err(s) => panic!("Error with stack: {}", s),
Dec 17 14:36:34.669 INFO [stderr]     |                     ^^^^^^
Dec 17 14:36:34.669 INFO [stderr]     |
Dec 17 14:36:34.669 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 17 14:36:34.669 INFO [stderr] 
Dec 17 14:36:34.669 INFO [stderr] warning: unused variable: `y`
Dec 17 14:36:34.669 INFO [stderr]    --> src/chip8.rs:117:13
Dec 17 14:36:34.669 INFO [stderr]     |
Dec 17 14:36:34.669 INFO [stderr] 117 |         let y = ((operation & 0x00F0) >> 4) as u8;
Dec 17 14:36:34.669 INFO [stderr]     |             ^ help: consider using `_y` instead
Dec 17 14:36:34.669 INFO [stderr]     |
Dec 17 14:36:34.669 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 14:36:34.669 INFO [stderr] 
Dec 17 14:36:34.669 INFO [stderr] warning: unused variable: `r`
Dec 17 14:36:34.669 INFO [stderr]    --> src/chip8.rs:213:21
Dec 17 14:36:34.670 INFO [stderr]     |
Dec 17 14:36:34.670 INFO [stderr] 213 |                 let r: u8 = random();
Dec 17 14:36:34.670 INFO [stderr]     |                     ^ help: consider using `_r` instead
Dec 17 14:36:34.670 INFO [stderr] 
Dec 17 14:36:34.670 INFO [stderr] warning: unused variable: `con`
Dec 17 14:36:34.670 INFO [stderr]    --> src/chip8.rs:280:23
Dec 17 14:36:34.670 INFO [stderr]     |
Dec 17 14:36:34.670 INFO [stderr] 280 |     pub fn run(&self, con: &Context, g: &mut G2d) {}
Dec 17 14:36:34.670 INFO [stderr]     |                       ^^^ help: consider using `_con` instead
Dec 17 14:36:34.676 INFO [stderr] 
Dec 17 14:36:34.676 INFO [stderr] warning: unused variable: `g`
Dec 17 14:36:34.676 INFO [stderr]    --> src/chip8.rs:280:38
Dec 17 14:36:34.676 INFO [stderr]     |
Dec 17 14:36:34.676 INFO [stderr] 280 |     pub fn run(&self, con: &Context, g: &mut G2d) {}
Dec 17 14:36:34.676 INFO [stderr]     |                                      ^ help: consider using `_g` instead
Dec 17 14:36:34.676 INFO [stderr] 
Dec 17 14:36:34.676 INFO [stderr] warning: unused variable: `key`
Dec 17 14:36:34.676 INFO [stderr]    --> src/chip8.rs:282:35
Dec 17 14:36:34.676 INFO [stderr]     |
Dec 17 14:36:34.676 INFO [stderr] 282 |     pub fn key_pressed(&mut self, key: Key) {}
Dec 17 14:36:34.676 INFO [stderr]     |                                   ^^^ help: consider using `_key` instead
Dec 17 14:36:34.676 INFO [stderr] 
Dec 17 14:36:34.714 INFO [stderr] warning: method is never used: `size`
Dec 17 14:36:34.714 INFO [stderr]   --> src/stack.rs:44:5
Dec 17 14:36:34.714 INFO [stderr]    |
Dec 17 14:36:34.714 INFO [stderr] 44 |     pub fn size(&self) -> usize {
Dec 17 14:36:34.714 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.714 INFO [stderr]    |
Dec 17 14:36:34.714 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 14:36:34.714 INFO [stderr] 
Dec 17 14:36:34.714 INFO [stderr] warning: method is never used: `picture_test`
Dec 17 14:36:34.714 INFO [stderr]    --> src/chip8.rs:269:5
Dec 17 14:36:34.714 INFO [stderr]     |
Dec 17 14:36:34.714 INFO [stderr] 269 |     pub fn picture_test(&mut self, x: usize, y: usize) {
Dec 17 14:36:34.714 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.714 INFO [stderr] 
Dec 17 14:36:34.714 INFO [stderr] warning: method is never used: `run`
Dec 17 14:36:34.714 INFO [stderr]    --> src/chip8.rs:280:5
Dec 17 14:36:34.714 INFO [stderr]     |
Dec 17 14:36:34.714 INFO [stderr] 280 |     pub fn run(&self, con: &Context, g: &mut G2d) {}
Dec 17 14:36:34.714 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.714 INFO [stderr] 
Dec 17 14:36:34.714 INFO [stderr] warning: function is never used: `to_coord_u32`
Dec 17 14:36:34.714 INFO [stderr]   --> src/graphics.rs:13:1
Dec 17 14:36:34.714 INFO [stderr]    |
Dec 17 14:36:34.714 INFO [stderr] 13 | pub fn to_coord_u32(c: i32) -> u32 {
Dec 17 14:36:34.714 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.714 INFO [stderr] 
Dec 17 14:36:34.714 INFO [stderr] warning: function is never used: `draw_rectangle`
Dec 17 14:36:34.714 INFO [stderr]   --> src/graphics.rs:24:1
Dec 17 14:36:34.714 INFO [stderr]    |
Dec 17 14:36:34.714 INFO [stderr] 24 | pub fn draw_rectangle(color: Color, x: i32, y: i32, width: i32, height: i32, con: &Context, g: &mut G2d) {
Dec 17 14:36:34.714 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.714 INFO [stderr] 
Dec 17 14:36:34.714 INFO [stderr] warning: type `opcode` should have a camel case name such as `Opcode`
Dec 17 14:36:34.714 INFO [stderr]   --> src/chip8.rs:20:1
Dec 17 14:36:34.714 INFO [stderr]    |
Dec 17 14:36:34.714 INFO [stderr] 20 | type opcode = u16;
Dec 17 14:36:34.714 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.714 INFO [stderr]    |
Dec 17 14:36:34.714 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 17 14:36:34.714 INFO [stderr] 
Dec 17 14:36:34.714 INFO [stderr] warning: variable `Vx` should have a snake case name such as `vx`
Dec 17 14:36:34.714 INFO [stderr]    --> src/chip8.rs:118:13
Dec 17 14:36:34.714 INFO [stderr]     |
Dec 17 14:36:34.714 INFO [stderr] 118 |         let Vx = ((operation & 0x0F00) >> 8) as usize;
Dec 17 14:36:34.714 INFO [stderr]     |             ^^
Dec 17 14:36:34.714 INFO [stderr]     |
Dec 17 14:36:34.714 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 17 14:36:34.714 INFO [stderr] 
Dec 17 14:36:34.714 INFO [stderr] warning: variable `Vy` should have a snake case name such as `vy`
Dec 17 14:36:34.714 INFO [stderr]    --> src/chip8.rs:119:13
Dec 17 14:36:34.714 INFO [stderr]     |
Dec 17 14:36:34.714 INFO [stderr] 119 |         let Vy = ((operation & 0x00F0) >> 4) as usize;
Dec 17 14:36:34.714 INFO [stderr]     |             ^^
Dec 17 14:36:34.714 INFO [stderr] 
Dec 17 14:36:34.895 INFO [stderr] warning: unreachable pattern
Dec 17 14:36:34.895 INFO [stderr]    --> src/chip8.rs:138:21
Dec 17 14:36:34.895 INFO [stderr]     |
Dec 17 14:36:34.895 INFO [stderr] 138 |                     Err(s) => panic!("Error with stack: {}", s),
Dec 17 14:36:34.895 INFO [stderr]     |                     ^^^^^^
Dec 17 14:36:34.895 INFO [stderr]     |
Dec 17 14:36:34.895 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 17 14:36:34.895 INFO [stderr] 
Dec 17 14:36:34.899 INFO [stderr] warning: unused variable: `y`
Dec 17 14:36:34.899 INFO [stderr]    --> src/chip8.rs:117:13
Dec 17 14:36:34.899 INFO [stderr]     |
Dec 17 14:36:34.899 INFO [stderr] 117 |         let y = ((operation & 0x00F0) >> 4) as u8;
Dec 17 14:36:34.899 INFO [stderr]     |             ^ help: consider using `_y` instead
Dec 17 14:36:34.899 INFO [stderr]     |
Dec 17 14:36:34.899 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 14:36:34.899 INFO [stderr] 
Dec 17 14:36:34.899 INFO [stderr] warning: unused variable: `r`
Dec 17 14:36:34.899 INFO [stderr]    --> src/chip8.rs:213:21
Dec 17 14:36:34.899 INFO [stderr]     |
Dec 17 14:36:34.899 INFO [stderr] 213 |                 let r: u8 = random();
Dec 17 14:36:34.899 INFO [stderr]     |                     ^ help: consider using `_r` instead
Dec 17 14:36:34.899 INFO [stderr] 
Dec 17 14:36:34.899 INFO [stderr] warning: unused variable: `con`
Dec 17 14:36:34.899 INFO [stderr]    --> src/chip8.rs:280:23
Dec 17 14:36:34.899 INFO [stderr]     |
Dec 17 14:36:34.899 INFO [stderr] 280 |     pub fn run(&self, con: &Context, g: &mut G2d) {}
Dec 17 14:36:34.899 INFO [stderr]     |                       ^^^ help: consider using `_con` instead
Dec 17 14:36:34.899 INFO [stderr] 
Dec 17 14:36:34.899 INFO [stderr] warning: unused variable: `g`
Dec 17 14:36:34.899 INFO [stderr]    --> src/chip8.rs:280:38
Dec 17 14:36:34.899 INFO [stderr]     |
Dec 17 14:36:34.899 INFO [stderr] 280 |     pub fn run(&self, con: &Context, g: &mut G2d) {}
Dec 17 14:36:34.899 INFO [stderr]     |                                      ^ help: consider using `_g` instead
Dec 17 14:36:34.899 INFO [stderr] 
Dec 17 14:36:34.899 INFO [stderr] warning: unused variable: `key`
Dec 17 14:36:34.899 INFO [stderr]    --> src/chip8.rs:282:35
Dec 17 14:36:34.899 INFO [stderr]     |
Dec 17 14:36:34.899 INFO [stderr] 282 |     pub fn key_pressed(&mut self, key: Key) {}
Dec 17 14:36:34.899 INFO [stderr]     |                                   ^^^ help: consider using `_key` instead
Dec 17 14:36:34.899 INFO [stderr] 
Dec 17 14:36:34.954 INFO [stderr] warning: method is never used: `picture_test`
Dec 17 14:36:34.954 INFO [stderr]    --> src/chip8.rs:269:5
Dec 17 14:36:34.954 INFO [stderr]     |
Dec 17 14:36:34.954 INFO [stderr] 269 |     pub fn picture_test(&mut self, x: usize, y: usize) {
Dec 17 14:36:34.954 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.954 INFO [stderr]     |
Dec 17 14:36:34.954 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 14:36:34.954 INFO [stderr] 
Dec 17 14:36:34.954 INFO [stderr] warning: method is never used: `run`
Dec 17 14:36:34.954 INFO [stderr]    --> src/chip8.rs:280:5
Dec 17 14:36:34.954 INFO [stderr]     |
Dec 17 14:36:34.954 INFO [stderr] 280 |     pub fn run(&self, con: &Context, g: &mut G2d) {}
Dec 17 14:36:34.954 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.954 INFO [stderr] 
Dec 17 14:36:34.954 INFO [stderr] warning: function is never used: `to_coord_u32`
Dec 17 14:36:34.954 INFO [stderr]   --> src/graphics.rs:13:1
Dec 17 14:36:34.954 INFO [stderr]    |
Dec 17 14:36:34.954 INFO [stderr] 13 | pub fn to_coord_u32(c: i32) -> u32 {
Dec 17 14:36:34.954 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.954 INFO [stderr] 
Dec 17 14:36:34.954 INFO [stderr] warning: function is never used: `draw_rectangle`
Dec 17 14:36:34.954 INFO [stderr]   --> src/graphics.rs:24:1
Dec 17 14:36:34.954 INFO [stderr]    |
Dec 17 14:36:34.954 INFO [stderr] 24 | pub fn draw_rectangle(color: Color, x: i32, y: i32, width: i32, height: i32, con: &Context, g: &mut G2d) {
Dec 17 14:36:34.955 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.955 INFO [stderr] 
Dec 17 14:36:34.956 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:36:34.956 INFO [stderr]   --> src/stack.rs:55:9
Dec 17 14:36:34.956 INFO [stderr]    |
Dec 17 14:36:34.956 INFO [stderr] 55 |         dickwad.push(0x84);
Dec 17 14:36:34.956 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.956 INFO [stderr]    |
Dec 17 14:36:34.956 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 14:36:34.956 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:36:34.956 INFO [stderr] 
Dec 17 14:36:34.956 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:36:34.956 INFO [stderr]   --> src/stack.rs:63:9
Dec 17 14:36:34.956 INFO [stderr]    |
Dec 17 14:36:34.956 INFO [stderr] 63 |         dickwad.push(0x84);
Dec 17 14:36:34.956 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.956 INFO [stderr]    |
Dec 17 14:36:34.957 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:36:34.957 INFO [stderr] 
Dec 17 14:36:34.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:36:34.957 INFO [stderr]   --> src/stack.rs:65:9
Dec 17 14:36:34.957 INFO [stderr]    |
Dec 17 14:36:34.957 INFO [stderr] 65 |         dickwad.push(0x84);
Dec 17 14:36:34.957 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.957 INFO [stderr]    |
Dec 17 14:36:34.957 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:36:34.957 INFO [stderr] 
Dec 17 14:36:34.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:36:34.957 INFO [stderr]   --> src/stack.rs:73:13
Dec 17 14:36:34.957 INFO [stderr]    |
Dec 17 14:36:34.957 INFO [stderr] 73 |             dickwad.push(i);
Dec 17 14:36:34.957 INFO [stderr]    |             ^^^^^^^^^^^^^^^^
Dec 17 14:36:34.957 INFO [stderr]    |
Dec 17 14:36:34.957 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:36:34.957 INFO [stderr] 
Dec 17 14:36:34.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:36:34.957 INFO [stderr]   --> src/stack.rs:81:9
Dec 17 14:36:34.957 INFO [stderr]    |
Dec 17 14:36:34.957 INFO [stderr] 81 |         dickwad.push(0x1);
Dec 17 14:36:34.957 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.957 INFO [stderr]    |
Dec 17 14:36:34.957 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:36:34.957 INFO [stderr] 
Dec 17 14:36:34.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:36:34.957 INFO [stderr]   --> src/stack.rs:82:9
Dec 17 14:36:34.957 INFO [stderr]    |
Dec 17 14:36:34.957 INFO [stderr] 82 |         dickwad.push(0x2);
Dec 17 14:36:34.957 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.957 INFO [stderr]    |
Dec 17 14:36:34.957 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:36:34.957 INFO [stderr] 
Dec 17 14:36:34.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:36:34.957 INFO [stderr]   --> src/stack.rs:83:9
Dec 17 14:36:34.957 INFO [stderr]    |
Dec 17 14:36:34.958 INFO [stderr] 83 |         dickwad.push(0x3);
Dec 17 14:36:34.958 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.958 INFO [stderr]    |
Dec 17 14:36:34.958 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:36:34.958 INFO [stderr] 
Dec 17 14:36:34.958 INFO [stderr] warning: type `opcode` should have a camel case name such as `Opcode`
Dec 17 14:36:34.958 INFO [stderr]   --> src/chip8.rs:20:1
Dec 17 14:36:34.958 INFO [stderr]    |
Dec 17 14:36:34.958 INFO [stderr] 20 | type opcode = u16;
Dec 17 14:36:34.958 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 17 14:36:34.958 INFO [stderr]    |
Dec 17 14:36:34.958 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 17 14:36:34.958 INFO [stderr] 
Dec 17 14:36:34.958 INFO [stderr] warning: variable `Vx` should have a snake case name such as `vx`
Dec 17 14:36:34.958 INFO [stderr]    --> src/chip8.rs:118:13
Dec 17 14:36:34.958 INFO [stderr]     |
Dec 17 14:36:34.958 INFO [stderr] 118 |         let Vx = ((operation & 0x0F00) >> 8) as usize;
Dec 17 14:36:34.958 INFO [stderr]     |             ^^
Dec 17 14:36:34.958 INFO [stderr]     |
Dec 17 14:36:34.958 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 17 14:36:34.958 INFO [stderr] 
Dec 17 14:36:34.958 INFO [stderr] warning: variable `Vy` should have a snake case name such as `vy`
Dec 17 14:36:34.958 INFO [stderr]    --> src/chip8.rs:119:13
Dec 17 14:36:34.958 INFO [stderr]     |
Dec 17 14:36:34.958 INFO [stderr] 119 |         let Vy = ((operation & 0x00F0) >> 4) as usize;
Dec 17 14:36:34.958 INFO [stderr]     |             ^^
Dec 17 14:36:34.958 INFO [stderr] 
Dec 17 14:36:35.009 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
Dec 17 14:36:35.558 INFO running `"docker" "inspect" "47e4be90fd34fd3ea7f9a097d854d815f6ddf1e0903f529d99f7f422f73fd4a1"`
Dec 17 14:36:35.866 INFO running `"docker" "rm" "-f" "47e4be90fd34fd3ea7f9a097d854d815f6ddf1e0903f529d99f7f422f73fd4a1"`
Dec 17 14:36:36.122 INFO [stdout] 47e4be90fd34fd3ea7f9a097d854d815f6ddf1e0903f529d99f7f422f73fd4a1