[INFO] cloning repository https://github.com/d2ci8xc5/chip8vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d2ci8xc5/chip8vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd2ci8xc5%2Fchip8vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd2ci8xc5%2Fchip8vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab98e3f549bdef2e6383a2b9d6e77c71642765c1
[INFO] testing d2ci8xc5/chip8vm against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd2ci8xc5%2Fchip8vm" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d2ci8xc5/chip8vm on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d2ci8xc5/chip8vm
[INFO] finished tweaking git repo https://github.com/d2ci8xc5/chip8vm
[INFO] tweaked toml for git repo https://github.com/d2ci8xc5/chip8vm written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/d2ci8xc5/chip8vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de2d46fc580a2b105d0dfb0e0ad4a093683cb64a514162803a6bb4a618e1ec21
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de2d46fc580a2b105d0dfb0e0ad4a093683cb64a514162803a6bb4a618e1ec21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de2d46fc580a2b105d0dfb0e0ad4a093683cb64a514162803a6bb4a618e1ec21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2d46fc580a2b105d0dfb0e0ad4a093683cb64a514162803a6bb4a618e1ec21", kill_on_drop: false }`
[INFO] [stdout] de2d46fc580a2b105d0dfb0e0ad4a093683cb64a514162803a6bb4a618e1ec21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 927133ab103ed17aff7886e2ad9b93462b59edb6d06785abf38ca741e3961970
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "927133ab103ed17aff7886e2ad9b93462b59edb6d06785abf38ca741e3961970", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.32.2 (https://github.com/AngryLawyer/rust-sdl2#72d199e5)
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling sdl2-sys v0.32.6 (https://github.com/AngryLawyer/rust-sdl2#72d199e5)
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chip8vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `color` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum color {
[INFO] [stdout]   |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Color`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `red` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     red,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `green` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     green,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `blue` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     blue,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `black` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     black,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `cpu` should have an upper camel case name
[INFO] [stdout]  --> src/cpu.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct cpu {
[INFO] [stdout]   |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:282:24
[INFO] [stdout]     |
[INFO] [stdout] 282 |         self.v[0x0f] = (self.v[x] & (1 << 7) >> 7);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:311:21
[INFO] [stdout]     |
[INFO] [stdout] 311 |         self.v[x] = (kk & random_byte);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:372:32
[INFO] [stdout]     |
[INFO] [stdout] 372 |         self.keypad_register = (x as u8);
[INFO] [stdout]     |                                ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::cpu`
[INFO] [stdout]  --> src/display.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cpu::cpu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `display` should have an upper camel case name
[INFO] [stdout]  --> src/display.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct display {
[INFO] [stdout]   |            ^^^^^^^ help: convert the identifier to upper camel case: `Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `keypad` should have an upper camel case name
[INFO] [stdout]  --> src/keypad.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct keypad {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Keypad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::cpu as _cpu`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cpu::cpu as _cpu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             (0x0f, _, 0x03, 0x03) => self.op_Fx33(x),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sdl_context`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let sdl_context = sdl2::init().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sdl_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `poll_keypad` is assigned to, but never used
[INFO] [stdout]    --> src/cpu.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let poll_keypad;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_poll_keypad` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `poll_keypad` is never read
[INFO] [stdout]    --> src/cpu.rs:131:26
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 Ok(x) => poll_keypad = x,
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:262:37
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn op_8xy6(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:281:37
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_true`
[INFO] [stdout]   --> src/display.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let x_true = (x as u32) * SCALE; 
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_true`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_true`
[INFO] [stdout]   --> src/display.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let y_true = (y as u32) * SCALE; 
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_true`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `draw_color` is never read
[INFO] [stdout]   --> src/display.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 let mut draw_color = color::black.value();
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/display.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     Ok(x) => continue,
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gfx`
[INFO] [stdout]   --> src/display.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn clear(&mut self, gfx: [u8; 32*64]) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_gfx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `color`
[INFO] [stdout]  --> src/color.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum color {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/color.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn value(&self) -> Color {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `cpu`
[INFO] [stdout]  --> src/cpu.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct cpu {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(sdl_context: &Sdl) -> cpu {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cycle`
[INFO] [stdout]   --> src/cpu.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn cycle(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_opcode`
[INFO] [stdout]    --> src/cpu.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn fetch_opcode(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_00e0`
[INFO] [stdout]    --> src/cpu.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn op_00e0(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_00ee`
[INFO] [stdout]    --> src/cpu.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn op_00ee(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_1nnn`
[INFO] [stdout]    --> src/cpu.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn op_1nnn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_2nnn`
[INFO] [stdout]    --> src/cpu.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn op_2nnn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_3xkk`
[INFO] [stdout]    --> src/cpu.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn op_3xkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_4xkk`
[INFO] [stdout]    --> src/cpu.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn op_4xkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_5xy0`
[INFO] [stdout]    --> src/cpu.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn op_5xy0(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_6xkk`
[INFO] [stdout]    --> src/cpu.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn op_6xkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_7xkk`
[INFO] [stdout]    --> src/cpu.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn op_7xkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy0`
[INFO] [stdout]    --> src/cpu.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn op_8xy0(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy1`
[INFO] [stdout]    --> src/cpu.rs:219:8
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn op_8xy1(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy2`
[INFO] [stdout]    --> src/cpu.rs:225:8
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn op_8xy2(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy3`
[INFO] [stdout]    --> src/cpu.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn op_8xy3(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy4`
[INFO] [stdout]    --> src/cpu.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn op_8xy4(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy5`
[INFO] [stdout]    --> src/cpu.rs:251:8
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn op_8xy5(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy6`
[INFO] [stdout]    --> src/cpu.rs:262:8
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn op_8xy6(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy7`
[INFO] [stdout]    --> src/cpu.rs:270:8
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn op_8xy7(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xyE`
[INFO] [stdout]    --> src/cpu.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_9xy0`
[INFO] [stdout]    --> src/cpu.rs:288:8
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn op_9xy0(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Annn`
[INFO] [stdout]    --> src/cpu.rs:298:8
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn op_Annn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Bnnn`
[INFO] [stdout]    --> src/cpu.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn op_Bnnn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Cxkk`
[INFO] [stdout]    --> src/cpu.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn op_Cxkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Dxyn`
[INFO] [stdout]    --> src/cpu.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn op_Dxyn(&mut self, x: usize, y: usize, n: u16) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Ex9E`
[INFO] [stdout]    --> src/cpu.rs:342:8
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn op_Ex9E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_ExA1`
[INFO] [stdout]    --> src/cpu.rs:352:8
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn op_ExA1(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx07`
[INFO] [stdout]    --> src/cpu.rs:362:8
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn op_Fx07(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx0A`
[INFO] [stdout]    --> src/cpu.rs:369:8
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn op_Fx0A(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx15`
[INFO] [stdout]    --> src/cpu.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn op_Fx15(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx18`
[INFO] [stdout]    --> src/cpu.rs:383:8
[INFO] [stdout]     |
[INFO] [stdout] 383 |     fn op_Fx18(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx1E`
[INFO] [stdout]    --> src/cpu.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn op_Fx1E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx29`
[INFO] [stdout]    --> src/cpu.rs:395:8
[INFO] [stdout]     |
[INFO] [stdout] 395 |     fn op_Fx29(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx33`
[INFO] [stdout]    --> src/cpu.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 401 |     fn op_Fx33(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx55`
[INFO] [stdout]    --> src/cpu.rs:408:8
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn op_Fx55(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx65`
[INFO] [stdout]    --> src/cpu.rs:415:8
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn op_Fx65(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SCALE`
[INFO] [stdout]  --> src/display.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const SCALE: u32 = 25;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `display`
[INFO] [stdout]  --> src/display.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct display {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/display.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(sdl_context: &sdl2::Sdl) -> display {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/display.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn draw(&mut self, gfx: [u8; 32*64]) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/display.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn clear(&mut self, gfx: [u8; 32*64]) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `font`
[INFO] [stdout]   --> src/font.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / pub const font: [u8; 80] = [
[INFO] [stdout] 2  | |     0xf0, 0x90, 0x90, 0x90, 0xf0, // 0
[INFO] [stdout] 3  | |     0x20, 0x60, 0x20, 0x20, 0x70, // 1
[INFO] [stdout] 4  | |     0xf0, 0x10, 0xf0, 0x80, 0xf0, // 2
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     0xf0, 0x80, 0xf0, 0x80, 0x80, // f
[INFO] [stdout] 18 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `keypad`
[INFO] [stdout]  --> src/keypad.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct keypad {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/keypad.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(sdl_context: &sdl2::Sdl) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `poll`
[INFO] [stdout]   --> src/keypad.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn poll(&mut self) -> Result<[bool; 16], ()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/cpu.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |         if addition > 0xff {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_8xyE` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_8xy_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Annn` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:298:8
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn op_Annn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_annn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Bnnn` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn op_Bnnn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_bnnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Cxkk` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn op_Cxkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_cxkk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Dxyn` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn op_Dxyn(&mut self, x: usize, y: usize, n: u16) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_dxyn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Ex9E` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:342:8
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn op_Ex9E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_ex9_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_ExA1` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:352:8
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn op_ExA1(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_ex_a1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx07` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:362:8
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn op_Fx07(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx07`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx0A` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:369:8
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn op_Fx0A(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_fx0_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx15` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn op_Fx15(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx15`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx18` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:383:8
[INFO] [stdout]     |
[INFO] [stdout] 383 |     fn op_Fx18(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx18`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx1E` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn op_Fx1E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_fx1_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx29` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:395:8
[INFO] [stdout]     |
[INFO] [stdout] 395 |     fn op_Fx29(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx29`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx33` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 401 |     fn op_Fx33(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx33`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx55` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:408:8
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn op_Fx55(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx55`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx65` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:415:8
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn op_Fx65(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx65`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `font` should have an upper case name
[INFO] [stdout]  --> src/font.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const font: [u8; 80] = [
[INFO] [stdout]   |           ^^^^ help: convert the identifier to upper case: `FONT`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 91 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.16s
[INFO] running `Command { std: "docker" "inspect" "927133ab103ed17aff7886e2ad9b93462b59edb6d06785abf38ca741e3961970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927133ab103ed17aff7886e2ad9b93462b59edb6d06785abf38ca741e3961970", kill_on_drop: false }`
[INFO] [stdout] 927133ab103ed17aff7886e2ad9b93462b59edb6d06785abf38ca741e3961970
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36be5f036c7cf6b87cdca7801fcb2de39418d375b3230321c1264671c84b0d3e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36be5f036c7cf6b87cdca7801fcb2de39418d375b3230321c1264671c84b0d3e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chip8vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `color` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum color {
[INFO] [stdout]   |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Color`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `red` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     red,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `green` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     green,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `blue` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     blue,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `black` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     black,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `cpu` should have an upper camel case name
[INFO] [stdout]  --> src/cpu.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct cpu {
[INFO] [stdout]   |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:282:24
[INFO] [stdout]     |
[INFO] [stdout] 282 |         self.v[0x0f] = (self.v[x] & (1 << 7) >> 7);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:311:21
[INFO] [stdout]     |
[INFO] [stdout] 311 |         self.v[x] = (kk & random_byte);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:372:32
[INFO] [stdout]     |
[INFO] [stdout] 372 |         self.keypad_register = (x as u8);
[INFO] [stdout]     |                                ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::cpu`
[INFO] [stdout]  --> src/display.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cpu::cpu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `display` should have an upper camel case name
[INFO] [stdout]  --> src/display.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct display {
[INFO] [stdout]   |            ^^^^^^^ help: convert the identifier to upper camel case: `Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `keypad` should have an upper camel case name
[INFO] [stdout]  --> src/keypad.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct keypad {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Keypad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::cpu as _cpu`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cpu::cpu as _cpu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             (0x0f, _, 0x03, 0x03) => self.op_Fx33(x),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sdl_context`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let sdl_context = sdl2::init().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sdl_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `poll_keypad` is assigned to, but never used
[INFO] [stdout]    --> src/cpu.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let poll_keypad;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_poll_keypad` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `poll_keypad` is never read
[INFO] [stdout]    --> src/cpu.rs:131:26
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 Ok(x) => poll_keypad = x,
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:262:37
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn op_8xy6(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:281:37
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_true`
[INFO] [stdout]   --> src/display.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let x_true = (x as u32) * SCALE; 
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_true`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_true`
[INFO] [stdout]   --> src/display.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let y_true = (y as u32) * SCALE; 
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_true`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `draw_color` is never read
[INFO] [stdout]   --> src/display.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 let mut draw_color = color::black.value();
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/display.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     Ok(x) => continue,
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gfx`
[INFO] [stdout]   --> src/display.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn clear(&mut self, gfx: [u8; 32*64]) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_gfx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `red`
[INFO] [stdout]  --> src/color.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     red,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `green`
[INFO] [stdout]  --> src/color.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `blue`
[INFO] [stdout]  --> src/color.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     blue,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `v`
[INFO] [stdout]   --> src/cpu.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     v: [u8; 16],
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pc`
[INFO] [stdout]   --> src/cpu.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pc: usize, //u16
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]   --> src/cpu.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     stack: [usize; 16], //u16
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sp`
[INFO] [stdout]   --> src/cpu.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     sp: usize,          //u16
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/cpu.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     key: [bool; 16],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `redraw_flag`
[INFO] [stdout]   --> src/cpu.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     redraw_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keypad_wait_flag`
[INFO] [stdout]   --> src/cpu.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     keypad_wait_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keypad_register`
[INFO] [stdout]   --> src/cpu.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     keypad_register: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keypad`
[INFO] [stdout]   --> src/cpu.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     keypad: keypad,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> src/cpu.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     display: display
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cycle`
[INFO] [stdout]   --> src/cpu.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn cycle(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_opcode`
[INFO] [stdout]    --> src/cpu.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn fetch_opcode(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_00e0`
[INFO] [stdout]    --> src/cpu.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn op_00e0(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_00ee`
[INFO] [stdout]    --> src/cpu.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn op_00ee(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_1nnn`
[INFO] [stdout]    --> src/cpu.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn op_1nnn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_2nnn`
[INFO] [stdout]    --> src/cpu.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn op_2nnn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_3xkk`
[INFO] [stdout]    --> src/cpu.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn op_3xkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_4xkk`
[INFO] [stdout]    --> src/cpu.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn op_4xkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_5xy0`
[INFO] [stdout]    --> src/cpu.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn op_5xy0(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_6xkk`
[INFO] [stdout]    --> src/cpu.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn op_6xkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_7xkk`
[INFO] [stdout]    --> src/cpu.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn op_7xkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy0`
[INFO] [stdout]    --> src/cpu.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn op_8xy0(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy1`
[INFO] [stdout]    --> src/cpu.rs:219:8
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn op_8xy1(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy2`
[INFO] [stdout]    --> src/cpu.rs:225:8
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn op_8xy2(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy3`
[INFO] [stdout]    --> src/cpu.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn op_8xy3(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy4`
[INFO] [stdout]    --> src/cpu.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn op_8xy4(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy5`
[INFO] [stdout]    --> src/cpu.rs:251:8
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn op_8xy5(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy6`
[INFO] [stdout]    --> src/cpu.rs:262:8
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn op_8xy6(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xy7`
[INFO] [stdout]    --> src/cpu.rs:270:8
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn op_8xy7(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_8xyE`
[INFO] [stdout]    --> src/cpu.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_9xy0`
[INFO] [stdout]    --> src/cpu.rs:288:8
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn op_9xy0(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Annn`
[INFO] [stdout]    --> src/cpu.rs:298:8
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn op_Annn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Bnnn`
[INFO] [stdout]    --> src/cpu.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn op_Bnnn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Cxkk`
[INFO] [stdout]    --> src/cpu.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn op_Cxkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Dxyn`
[INFO] [stdout]    --> src/cpu.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn op_Dxyn(&mut self, x: usize, y: usize, n: u16) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Ex9E`
[INFO] [stdout]    --> src/cpu.rs:342:8
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn op_Ex9E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_ExA1`
[INFO] [stdout]    --> src/cpu.rs:352:8
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn op_ExA1(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx07`
[INFO] [stdout]    --> src/cpu.rs:362:8
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn op_Fx07(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx0A`
[INFO] [stdout]    --> src/cpu.rs:369:8
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn op_Fx0A(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx15`
[INFO] [stdout]    --> src/cpu.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn op_Fx15(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx18`
[INFO] [stdout]    --> src/cpu.rs:383:8
[INFO] [stdout]     |
[INFO] [stdout] 383 |     fn op_Fx18(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx1E`
[INFO] [stdout]    --> src/cpu.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn op_Fx1E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx29`
[INFO] [stdout]    --> src/cpu.rs:395:8
[INFO] [stdout]     |
[INFO] [stdout] 395 |     fn op_Fx29(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx33`
[INFO] [stdout]    --> src/cpu.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 401 |     fn op_Fx33(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx55`
[INFO] [stdout]    --> src/cpu.rs:408:8
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn op_Fx55(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op_Fx65`
[INFO] [stdout]    --> src/cpu.rs:415:8
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn op_Fx65(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SCALE`
[INFO] [stdout]  --> src/display.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const SCALE: u32 = 25;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `canvas`
[INFO] [stdout]   --> src/display.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     canvas: Canvas<Window>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/display.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn draw(&mut self, gfx: [u8; 32*64]) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/display.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn clear(&mut self, gfx: [u8; 32*64]) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `events`
[INFO] [stdout]  --> src/keypad.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     events: sdl2::EventPump,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `poll`
[INFO] [stdout]   --> src/keypad.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn poll(&mut self) -> Result<[bool; 16], ()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/cpu.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |         if addition > 0xff {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_8xyE` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_8xy_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Annn` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:298:8
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn op_Annn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_annn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Bnnn` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn op_Bnnn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_bnnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Cxkk` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn op_Cxkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_cxkk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Dxyn` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn op_Dxyn(&mut self, x: usize, y: usize, n: u16) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_dxyn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Ex9E` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:342:8
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn op_Ex9E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_ex9_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_ExA1` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:352:8
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn op_ExA1(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_ex_a1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx07` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:362:8
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn op_Fx07(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx07`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx0A` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:369:8
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn op_Fx0A(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_fx0_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx15` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn op_Fx15(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx15`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx18` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:383:8
[INFO] [stdout]     |
[INFO] [stdout] 383 |     fn op_Fx18(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx18`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx1E` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn op_Fx1E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_fx1_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx29` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:395:8
[INFO] [stdout]     |
[INFO] [stdout] 395 |     fn op_Fx29(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx29`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx33` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 401 |     fn op_Fx33(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx33`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx55` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:408:8
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn op_Fx55(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx55`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx65` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:415:8
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn op_Fx65(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx65`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `font` should have an upper case name
[INFO] [stdout]  --> src/font.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const font: [u8; 80] = [
[INFO] [stdout]   |           ^^^^ help: convert the identifier to upper case: `FONT`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 97 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.93s
[INFO] running `Command { std: "docker" "inspect" "36be5f036c7cf6b87cdca7801fcb2de39418d375b3230321c1264671c84b0d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36be5f036c7cf6b87cdca7801fcb2de39418d375b3230321c1264671c84b0d3e", kill_on_drop: false }`
[INFO] [stdout] 36be5f036c7cf6b87cdca7801fcb2de39418d375b3230321c1264671c84b0d3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3b2307d93eaf9af4b8f6fad75b6c57aab647fdb3d4c55f98d4e3d7ea43211ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3b2307d93eaf9af4b8f6fad75b6c57aab647fdb3d4c55f98d4e3d7ea43211ec", kill_on_drop: false }`
[INFO] [stderr] warning: type `color` should have an upper camel case name
[INFO] [stderr]  --> src/color.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum color {
[INFO] [stderr]   |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Color`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `red` should have an upper camel case name
[INFO] [stderr]  --> src/color.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     red,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `green` should have an upper camel case name
[INFO] [stderr]  --> src/color.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     green,
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `blue` should have an upper camel case name
[INFO] [stderr]  --> src/color.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     blue,
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `Blue`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `black` should have an upper camel case name
[INFO] [stderr]  --> src/color.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     black,
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to upper camel case: `Black`
[INFO] [stderr] 
[INFO] [stderr] warning: type `cpu` should have an upper camel case name
[INFO] [stderr]  --> src/cpu.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct cpu {
[INFO] [stderr]   |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/cpu.rs:282:24
[INFO] [stderr]     |
[INFO] [stderr] 282 |         self.v[0x0f] = (self.v[x] & (1 << 7) >> 7);
[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 assigned value
[INFO] [stderr]    --> src/cpu.rs:311:21
[INFO] [stderr]     |
[INFO] [stderr] 311 |         self.v[x] = (kk & random_byte);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/cpu.rs:372:32
[INFO] [stderr]     |
[INFO] [stderr] 372 |         self.keypad_register = (x as u8);
[INFO] [stderr]     |                                ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::cpu::cpu`
[INFO] [stderr]  --> src/display.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::cpu::cpu;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `display` should have an upper camel case name
[INFO] [stderr]  --> src/display.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct display {
[INFO] [stderr]   |            ^^^^^^^ help: convert the identifier to upper camel case: `Display`
[INFO] [stderr] 
[INFO] [stderr] warning: type `keypad` should have an upper camel case name
[INFO] [stderr]  --> src/keypad.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct keypad {
[INFO] [stderr]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Keypad`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::cpu as _cpu`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use cpu::cpu as _cpu;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/cpu.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |             (0x0f, _, 0x03, 0x03) => self.op_Fx33(x),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sdl_context`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let sdl_context = sdl2::init().unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sdl_context`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `poll_keypad` is assigned to, but never used
[INFO] [stderr]    --> src/cpu.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |             let poll_keypad;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_poll_keypad` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `poll_keypad` is never read
[INFO] [stderr]    --> src/cpu.rs:131:26
[INFO] [stderr]     |
[INFO] [stderr] 131 |                 Ok(x) => poll_keypad = x,
[INFO] [stderr]     |                          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/cpu.rs:262:37
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn op_8xy6(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/cpu.rs:281:37
[INFO] [stderr]     |
[INFO] [stderr] 281 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_true`
[INFO] [stderr]   --> src/display.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 let x_true = (x as u32) * SCALE; 
[INFO] [stderr]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_true`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y_true`
[INFO] [stderr]   --> src/display.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 let y_true = (y as u32) * SCALE; 
[INFO] [stderr]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_true`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `draw_color` is never read
[INFO] [stderr]   --> src/display.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 let mut draw_color = color::black.value();
[INFO] [stderr]    |                         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/display.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     Ok(x) => continue,
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gfx`
[INFO] [stderr]   --> src/display.rs:57:29
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn clear(&mut self, gfx: [u8; 32*64]) {
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_gfx`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `red`
[INFO] [stderr]  --> src/color.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     red,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `green`
[INFO] [stderr]  --> src/color.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     green,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `blue`
[INFO] [stderr]  --> src/color.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     blue,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `v`
[INFO] [stderr]   --> src/cpu.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     v: [u8; 16],
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pc`
[INFO] [stderr]   --> src/cpu.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pc: usize, //u16
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stack`
[INFO] [stderr]   --> src/cpu.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     stack: [usize; 16], //u16
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sp`
[INFO] [stderr]   --> src/cpu.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     sp: usize,          //u16
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `key`
[INFO] [stderr]   --> src/cpu.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     key: [bool; 16],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `redraw_flag`
[INFO] [stderr]   --> src/cpu.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     redraw_flag: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `keypad_wait_flag`
[INFO] [stderr]   --> src/cpu.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     keypad_wait_flag: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `keypad_register`
[INFO] [stderr]   --> src/cpu.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     keypad_register: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `keypad`
[INFO] [stderr]   --> src/cpu.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     keypad: keypad,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `display`
[INFO] [stderr]   --> src/cpu.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     display: display
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cycle`
[INFO] [stderr]   --> src/cpu.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn cycle(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch_opcode`
[INFO] [stderr]    --> src/cpu.rs:142:12
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn fetch_opcode(&self) -> u16 {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_00e0`
[INFO] [stderr]    --> src/cpu.rs:147:8
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn op_00e0(&mut self) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_00ee`
[INFO] [stderr]    --> src/cpu.rs:156:8
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn op_00ee(&mut self) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_1nnn`
[INFO] [stderr]    --> src/cpu.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn op_1nnn(&mut self, nnn: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_2nnn`
[INFO] [stderr]    --> src/cpu.rs:167:8
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn op_2nnn(&mut self, nnn: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_3xkk`
[INFO] [stderr]    --> src/cpu.rs:174:8
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn op_3xkk(&mut self, x: usize, kk: u8) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_4xkk`
[INFO] [stderr]    --> src/cpu.rs:183:8
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn op_4xkk(&mut self, x: usize, kk: u8) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_5xy0`
[INFO] [stderr]    --> src/cpu.rs:192:8
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn op_5xy0(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_6xkk`
[INFO] [stderr]    --> src/cpu.rs:201:8
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn op_6xkk(&mut self, x: usize, kk: u8) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_7xkk`
[INFO] [stderr]    --> src/cpu.rs:207:8
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn op_7xkk(&mut self, x: usize, kk: u8) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_8xy0`
[INFO] [stderr]    --> src/cpu.rs:213:8
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn op_8xy0(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_8xy1`
[INFO] [stderr]    --> src/cpu.rs:219:8
[INFO] [stderr]     |
[INFO] [stderr] 219 |     fn op_8xy1(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_8xy2`
[INFO] [stderr]    --> src/cpu.rs:225:8
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn op_8xy2(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_8xy3`
[INFO] [stderr]    --> src/cpu.rs:231:8
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn op_8xy3(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_8xy4`
[INFO] [stderr]    --> src/cpu.rs:237:8
[INFO] [stderr]     |
[INFO] [stderr] 237 |     fn op_8xy4(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_8xy5`
[INFO] [stderr]    --> src/cpu.rs:251:8
[INFO] [stderr]     |
[INFO] [stderr] 251 |     fn op_8xy5(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_8xy6`
[INFO] [stderr]    --> src/cpu.rs:262:8
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn op_8xy6(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_8xy7`
[INFO] [stderr]    --> src/cpu.rs:270:8
[INFO] [stderr]     |
[INFO] [stderr] 270 |     fn op_8xy7(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_8xyE`
[INFO] [stderr]    --> src/cpu.rs:281:8
[INFO] [stderr]     |
[INFO] [stderr] 281 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_9xy0`
[INFO] [stderr]    --> src/cpu.rs:288:8
[INFO] [stderr]     |
[INFO] [stderr] 288 |     fn op_9xy0(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Annn`
[INFO] [stderr]    --> src/cpu.rs:298:8
[INFO] [stderr]     |
[INFO] [stderr] 298 |     fn op_Annn(&mut self, nnn: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Bnnn`
[INFO] [stderr]    --> src/cpu.rs:304:8
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn op_Bnnn(&mut self, nnn: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Cxkk`
[INFO] [stderr]    --> src/cpu.rs:309:8
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn op_Cxkk(&mut self, x: usize, kk: u8) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Dxyn`
[INFO] [stderr]    --> src/cpu.rs:316:8
[INFO] [stderr]     |
[INFO] [stderr] 316 |     fn op_Dxyn(&mut self, x: usize, y: usize, n: u16) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Ex9E`
[INFO] [stderr]    --> src/cpu.rs:342:8
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn op_Ex9E(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_ExA1`
[INFO] [stderr]    --> src/cpu.rs:352:8
[INFO] [stderr]     |
[INFO] [stderr] 352 |     fn op_ExA1(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Fx07`
[INFO] [stderr]    --> src/cpu.rs:362:8
[INFO] [stderr]     |
[INFO] [stderr] 362 |     fn op_Fx07(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Fx0A`
[INFO] [stderr]    --> src/cpu.rs:369:8
[INFO] [stderr]     |
[INFO] [stderr] 369 |     fn op_Fx0A(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Fx15`
[INFO] [stderr]    --> src/cpu.rs:377:8
[INFO] [stderr]     |
[INFO] [stderr] 377 |     fn op_Fx15(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Fx18`
[INFO] [stderr]    --> src/cpu.rs:383:8
[INFO] [stderr]     |
[INFO] [stderr] 383 |     fn op_Fx18(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Fx1E`
[INFO] [stderr]    --> src/cpu.rs:389:8
[INFO] [stderr]     |
[INFO] [stderr] 389 |     fn op_Fx1E(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Fx29`
[INFO] [stderr]    --> src/cpu.rs:395:8
[INFO] [stderr]     |
[INFO] [stderr] 395 |     fn op_Fx29(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Fx33`
[INFO] [stderr]    --> src/cpu.rs:401:8
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn op_Fx33(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Fx55`
[INFO] [stderr]    --> src/cpu.rs:408:8
[INFO] [stderr]     |
[INFO] [stderr] 408 |     fn op_Fx55(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op_Fx65`
[INFO] [stderr]    --> src/cpu.rs:415:8
[INFO] [stderr]     |
[INFO] [stderr] 415 |     fn op_Fx65(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SCALE`
[INFO] [stderr]  --> src/display.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const SCALE: u32 = 25;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `canvas`
[INFO] [stderr]   --> src/display.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     canvas: Canvas<Window>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `draw`
[INFO] [stderr]   --> src/display.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn draw(&mut self, gfx: [u8; 32*64]) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]   --> src/display.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn clear(&mut self, gfx: [u8; 32*64]) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `events`
[INFO] [stderr]  --> src/keypad.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     events: sdl2::EventPump,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `poll`
[INFO] [stderr]   --> src/keypad.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn poll(&mut self) -> Result<[bool; 16], ()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/cpu.rs:242:12
[INFO] [stderr]     |
[INFO] [stderr] 242 |         if addition > 0xff {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_8xyE` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:281:8
[INFO] [stderr]     |
[INFO] [stderr] 281 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case: `op_8xy_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Annn` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:298:8
[INFO] [stderr]     |
[INFO] [stderr] 298 |     fn op_Annn(&mut self, nnn: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case: `op_annn`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Bnnn` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:304:8
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn op_Bnnn(&mut self, nnn: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case: `op_bnnn`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Cxkk` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:309:8
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn op_Cxkk(&mut self, x: usize, kk: u8) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_cxkk`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Dxyn` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:316:8
[INFO] [stderr]     |
[INFO] [stderr] 316 |     fn op_Dxyn(&mut self, x: usize, y: usize, n: u16) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case: `op_dxyn`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Ex9E` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:342:8
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn op_Ex9E(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case: `op_ex9_e`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_ExA1` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:352:8
[INFO] [stderr]     |
[INFO] [stderr] 352 |     fn op_ExA1(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case: `op_ex_a1`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Fx07` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:362:8
[INFO] [stderr]     |
[INFO] [stderr] 362 |     fn op_Fx07(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx07`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Fx0A` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:369:8
[INFO] [stderr]     |
[INFO] [stderr] 369 |     fn op_Fx0A(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case: `op_fx0_a`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Fx15` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:377:8
[INFO] [stderr]     |
[INFO] [stderr] 377 |     fn op_Fx15(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx15`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Fx18` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:383:8
[INFO] [stderr]     |
[INFO] [stderr] 383 |     fn op_Fx18(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx18`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Fx1E` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:389:8
[INFO] [stderr]     |
[INFO] [stderr] 389 |     fn op_Fx1E(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case: `op_fx1_e`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Fx29` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:395:8
[INFO] [stderr]     |
[INFO] [stderr] 395 |     fn op_Fx29(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx29`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Fx33` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:401:8
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn op_Fx33(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx33`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Fx55` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:408:8
[INFO] [stderr]     |
[INFO] [stderr] 408 |     fn op_Fx55(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx55`
[INFO] [stderr] 
[INFO] [stderr] warning: method `op_Fx65` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:415:8
[INFO] [stderr]     |
[INFO] [stderr] 415 |     fn op_Fx65(&mut self, x: usize) {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx65`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `font` should have an upper case name
[INFO] [stderr]  --> src/font.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const font: [u8; 80] = [
[INFO] [stderr]   |           ^^^^ help: convert the identifier to upper case: `FONT`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 97 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip8vm-a06d16b9eff0dc93)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: XDG_RUNTIME_DIR not set in the environment.
[INFO] [stdout] test cpu::tests::test_new ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- cpu::tests::test_new stdout ----
[INFO] [stdout] thread 'cpu::tests::test_new' panicked at 'called `Result::unwrap()` on an `Err` value: "No available video device"', src/display.rs:15:51
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e104896d70 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55e104896d70 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55e104896d70 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55e104896d70 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55e1048b956c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x55e104893c95 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x55e104898edb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55e104898edb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55e104898edb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55e1048989ec - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55e1048995a4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55e104899087 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55e10489726c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55e104898fe9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55e10483b651 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55e10483b743 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x55e10483dada - core::result::Result<T,E>::unwrap::hc2796cbbc489f238
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x55e10483d41c - chip8vm::display::display::new::h642a206b7799ebd5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/display.rs:15:31
[INFO] [stdout]   18:     0x55e10483cb49 - chip8vm::cpu::cpu::new::hacd4209ba423ca61
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cpu.rs:47:22
[INFO] [stdout]   19:     0x55e10483db6f - chip8vm::cpu::tests::test_new::haa02dcf12111c04a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cpu.rs:430:21
[INFO] [stdout]   20:     0x55e10483db1a - chip8vm::cpu::tests::test_new::{{closure}}::h3f43d3129ef229fd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cpu.rs:428:5
[INFO] [stdout]   21:     0x55e10483dfee - core::ops::function::FnOnce::call_once::hf2a5a30bdb42f6e9
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55e104866c93 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   23:     0x55e104866c93 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   24:     0x55e104865750 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   25:     0x55e104865750 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   26:     0x55e104865750 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   27:     0x55e104865750 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   28:     0x55e104865750 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   29:     0x55e104865750 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   30:     0x55e104865750 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   31:     0x55e10483ee02 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   32:     0x55e10483ee02 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   33:     0x55e1048429b8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   34:     0x55e1048429b8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   35:     0x55e1048429b8 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   36:     0x55e1048429b8 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   37:     0x55e1048429b8 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   38:     0x55e1048429b8 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   39:     0x55e1048429b8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   40:     0x55e10489e067 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   41:     0x55e10489e067 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   42:     0x55e10489e067 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   43:     0x7f396337d609 - start_thread
[INFO] [stdout]   44:     0x7f396314d293 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     cpu::tests::test_new
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin chip8vm'
[INFO] running `Command { std: "docker" "inspect" "e3b2307d93eaf9af4b8f6fad75b6c57aab647fdb3d4c55f98d4e3d7ea43211ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b2307d93eaf9af4b8f6fad75b6c57aab647fdb3d4c55f98d4e3d7ea43211ec", kill_on_drop: false }`
[INFO] [stdout] e3b2307d93eaf9af4b8f6fad75b6c57aab647fdb3d4c55f98d4e3d7ea43211ec
