[INFO] cloning repository https://github.com/jsultond/chip8Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsultond/chip8Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsultond%2Fchip8Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsultond%2Fchip8Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2400c159f4a215a9af9597c00d7a7b5fd34818d6
[INFO] testing jsultond/chip8Rust against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsultond%2Fchip8Rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsultond/chip8Rust on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jsultond/chip8Rust
[INFO] finished tweaking git repo https://github.com/jsultond/chip8Rust
[INFO] tweaked toml for git repo https://github.com/jsultond/chip8Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jsultond/chip8Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-window v0.27.0
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded sdl2-sys v0.8.1
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded shader_version v0.2.2
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded num-complex v0.1.40
[INFO] [stderr]   Downloaded sdl2 v0.14.0
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded libc v0.2.29
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded piston v0.32.0
[INFO] [stderr]   Downloaded num-bigint v0.1.40
[INFO] [stderr]   Downloaded bitflags v0.8.2
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded num-rational v0.1.39
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded pistoncore-input v0.18.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d89aebd05b0f378c6bd98d3822669e6549083d01f394e14d98a9bdb2f3bf4d52
[INFO] running `Command { std: "docker" "start" "-a" "d89aebd05b0f378c6bd98d3822669e6549083d01f394e14d98a9bdb2f3bf4d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d89aebd05b0f378c6bd98d3822669e6549083d01f394e14d98a9bdb2f3bf4d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89aebd05b0f378c6bd98d3822669e6549083d01f394e14d98a9bdb2f3bf4d52", kill_on_drop: false }`
[INFO] [stdout] d89aebd05b0f378c6bd98d3822669e6549083d01f394e14d98a9bdb2f3bf4d52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fb88dc845586fd238d1237661d772dfabe28d4bd0c69fc30a2ac4bff8232bd9
[INFO] running `Command { std: "docker" "start" "-a" "9fb88dc845586fd238d1237661d772dfabe28d4bd0c69fc30a2ac4bff8232bd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling shader_version v0.2.2
[INFO] [stderr]    Compiling sdl2-sys v0.8.1
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling piston-viewport v0.3.0
[INFO] [stderr]    Compiling pistoncore-input v0.18.0
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling pistoncore-window v0.27.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.32.0
[INFO] [stderr]    Compiling piston v0.32.0
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling sdl2 v0.14.0
[INFO] [stderr]    Compiling chip8rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `screen` should have an upper camel case name
[INFO] [stdout]  --> src/screen.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct screen {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Screen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_1` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     key_1 = 0,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Key1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_2` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     key_2,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Key2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_3` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     key_3,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Key3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_4` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     key_4,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Key4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_Q` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     key_Q,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyQ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_W` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     key_W,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_E` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     key_E,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_R` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     key_R,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_A` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     key_A,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyA`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_S` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     key_S,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_D` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     key_D,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyD`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_F` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     key_F,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyF`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_Z` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     key_Z,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyZ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_X` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     key_X,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_C` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     key_C,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyC`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_V` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     key_V,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/Cpu.rs:84:67
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Err(why) => panic!("couldn't open file because {} ", why.description()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/Cpu.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut file: File = match File::open(&path) {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/Cpu.rs:267:16
[INFO] [stdout]     |
[INFO] [stdout] 267 |                        let x = self.vreg[vx as usize] as u16 + i as u16;
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/Cpu.rs:268:19
[INFO] [stdout]     |
[INFO] [stdout] 268 |                        let y = self.vreg[vy as usize] as u16 + i as u16;
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/Cpu.rs:278:15
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 let x = (self.opcode & 0x0F00) >> 8;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `keys` is never read
[INFO] [stdout]   --> src/Cpu.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Cpu {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |         keys: Keyboard,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw` is never used
[INFO] [stdout]   --> src/screen.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl screen {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn draw(&mut self, x: i32, y: i32){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DELAY` is never used
[INFO] [stdout]  --> src/keyboard.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const DELAY: u64 = 2;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Keys` is never used
[INFO] [stdout]   --> src/keyboard.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Keys {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `event_pump`, `last_pressed`, and `used` are never read
[INFO] [stdout]   --> src/keyboard.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Keyboard {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 31 |     event_pump: sdl2::EventPump,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 32 |     pub keys: [bool; 16],
[INFO] [stdout] 33 |     last_pressed: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 34 |     used: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `handle_press`, `wait`, and `key_pressed` are never used
[INFO] [stdout]    --> src/keyboard.rs:52:12
[INFO] [stdout]     |
[INFO] [stdout] 38  | impl Keyboard {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52  |     pub fn handle_press(&mut self) -> u8{
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn wait(&mut self) -> u8 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn key_pressed(&mut self, key: u8, pressed: bool){
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Cpu` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod Cpu;
[INFO] [stdout]   |     ^^^ help: convert the identifier to snake case (notice the capitalization): `cpu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9fb88dc845586fd238d1237661d772dfabe28d4bd0c69fc30a2ac4bff8232bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb88dc845586fd238d1237661d772dfabe28d4bd0c69fc30a2ac4bff8232bd9", kill_on_drop: false }`
[INFO] [stdout] 9fb88dc845586fd238d1237661d772dfabe28d4bd0c69fc30a2ac4bff8232bd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa828d5d6ed52552fdce08d8a67fc45041fb9bbaff3d55ad2e47654845fdd4ab
[INFO] running `Command { std: "docker" "start" "-a" "aa828d5d6ed52552fdce08d8a67fc45041fb9bbaff3d55ad2e47654845fdd4ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `screen` should have an upper camel case name
[INFO] [stdout]  --> src/screen.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct screen {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Screen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_1` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     key_1 = 0,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Key1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_2` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     key_2,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Key2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_3` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     key_3,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Key3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_4` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     key_4,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Key4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_Q` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     key_Q,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyQ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_W` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     key_W,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_E` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     key_E,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_R` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     key_R,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_A` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     key_A,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyA`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_S` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     key_S,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_D` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     key_D,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyD`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_F` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     key_F,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyF`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_Z` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     key_Z,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyZ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_X` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     key_X,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_C` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     key_C,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyC`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `key_V` should have an upper camel case name
[INFO] [stdout]   --> src/keyboard.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     key_V,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/Cpu.rs:84:67
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Err(why) => panic!("couldn't open file because {} ", why.description()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/Cpu.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut file: File = match File::open(&path) {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/Cpu.rs:267:16
[INFO] [stdout]     |
[INFO] [stdout] 267 |                        let x = self.vreg[vx as usize] as u16 + i as u16;
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/Cpu.rs:268:19
[INFO] [stdout]     |
[INFO] [stdout] 268 |                        let y = self.vreg[vy as usize] as u16 + i as u16;
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/Cpu.rs:278:15
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 let x = (self.opcode & 0x0F00) >> 8;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `keys` is never read
[INFO] [stdout]   --> src/Cpu.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Cpu {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |         keys: Keyboard,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw` is never used
[INFO] [stdout]   --> src/screen.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl screen {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn draw(&mut self, x: i32, y: i32){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DELAY` is never used
[INFO] [stdout]  --> src/keyboard.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const DELAY: u64 = 2;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Keys` is never used
[INFO] [stdout]   --> src/keyboard.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Keys {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `event_pump`, `last_pressed`, and `used` are never read
[INFO] [stdout]   --> src/keyboard.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Keyboard {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 31 |     event_pump: sdl2::EventPump,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 32 |     pub keys: [bool; 16],
[INFO] [stdout] 33 |     last_pressed: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 34 |     used: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `handle_press`, `wait`, and `key_pressed` are never used
[INFO] [stdout]    --> src/keyboard.rs:52:12
[INFO] [stdout]     |
[INFO] [stdout] 38  | impl Keyboard {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52  |     pub fn handle_press(&mut self) -> u8{
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn wait(&mut self) -> u8 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn key_pressed(&mut self, key: u8, pressed: bool){
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Cpu` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod Cpu;
[INFO] [stdout]   |     ^^^ help: convert the identifier to snake case (notice the capitalization): `cpu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "aa828d5d6ed52552fdce08d8a67fc45041fb9bbaff3d55ad2e47654845fdd4ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa828d5d6ed52552fdce08d8a67fc45041fb9bbaff3d55ad2e47654845fdd4ab", kill_on_drop: false }`
[INFO] [stdout] aa828d5d6ed52552fdce08d8a67fc45041fb9bbaff3d55ad2e47654845fdd4ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a83aaabbcce3e2560c8b067966abe9ac013eaac589f68b4ce70c99434fed7283
[INFO] running `Command { std: "docker" "start" "-a" "a83aaabbcce3e2560c8b067966abe9ac013eaac589f68b4ce70c99434fed7283", kill_on_drop: false }`
[INFO] [stderr] warning: type `screen` should have an upper camel case name
[INFO] [stderr]  --> src/screen.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct screen {
[INFO] [stderr]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Screen`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_1` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     key_1 = 0,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Key1`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_2` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     key_2,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Key2`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_3` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     key_3,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Key3`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_4` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     key_4,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Key4`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_Q` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     key_Q,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyQ`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_W` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     key_W,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyW`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_E` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     key_E,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyE`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_R` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     key_R,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyR`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_A` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     key_A,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyA`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_S` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     key_S,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyS`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_D` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     key_D,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyD`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_F` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     key_F,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyF`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_Z` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     key_Z,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyZ`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_X` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     key_X,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyX`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_C` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     key_C,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyC`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_V` should have an upper camel case name
[INFO] [stderr]   --> src/keyboard.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     key_V,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `KeyV`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/Cpu.rs:84:67
[INFO] [stderr]    |
[INFO] [stderr] 84 |             Err(why) => panic!("couldn't open file because {} ", why.description()),
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/Cpu.rs:83:10
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut file: File = match File::open(&path) {
[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: unused variable: `x`
[INFO] [stderr]    --> src/Cpu.rs:267:16
[INFO] [stderr]     |
[INFO] [stderr] 267 |                        let x = self.vreg[vx as usize] as u16 + i as u16;
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/Cpu.rs:268:19
[INFO] [stderr]     |
[INFO] [stderr] 268 |                        let y = self.vreg[vy as usize] as u16 + i as u16;
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/Cpu.rs:278:15
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 let x = (self.opcode & 0x0F00) >> 8;
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: field `keys` is never read
[INFO] [stderr]   --> src/Cpu.rs:45:6
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct Cpu {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 45 |         keys: Keyboard,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `draw` is never used
[INFO] [stderr]   --> src/screen.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl screen {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn draw(&mut self, x: i32, y: i32){
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DELAY` is never used
[INFO] [stderr]  --> src/keyboard.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const DELAY: u64 = 2;
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Keys` is never used
[INFO] [stderr]   --> src/keyboard.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum Keys {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `event_pump`, `last_pressed`, and `used` are never read
[INFO] [stderr]   --> src/keyboard.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct Keyboard {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 31 |     event_pump: sdl2::EventPump,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 32 |     pub keys: [bool; 16],
[INFO] [stderr] 33 |     last_pressed: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 34 |     used: bool,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `handle_press`, `wait`, and `key_pressed` are never used
[INFO] [stderr]    --> src/keyboard.rs:52:12
[INFO] [stderr]     |
[INFO] [stderr] 38  | impl Keyboard {
[INFO] [stderr]     | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 52  |     pub fn handle_press(&mut self) -> u8{
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99  |     pub fn wait(&mut self) -> u8 {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 118 |     fn key_pressed(&mut self, key: u8, pressed: bool){
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Cpu` should have a snake case name
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | mod Cpu;
[INFO] [stderr]   |     ^^^ help: convert the identifier to snake case (notice the capitalization): `cpu`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8rust` (bin "chip8rust" test) generated 29 warnings (run `cargo fix --bin "chip8rust" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip8rust-5ec496d611868101)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a83aaabbcce3e2560c8b067966abe9ac013eaac589f68b4ce70c99434fed7283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83aaabbcce3e2560c8b067966abe9ac013eaac589f68b4ce70c99434fed7283", kill_on_drop: false }`
[INFO] [stdout] a83aaabbcce3e2560c8b067966abe9ac013eaac589f68b4ce70c99434fed7283
