[INFO] cloning repository https://github.com/d2ci8xc5/chip8vm [INFO] running `"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"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd2ci8xc5%2Fchip8vm'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ab98e3f549bdef2e6383a2b9d6e77c71642765c1 [INFO] testing d2ci8xc5/chip8vm against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd2ci8xc5%2Fchip8vm" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/d2ci8xc5/chip8vm on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [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-7/source/Cargo.toml [INFO] crate git repo https://github.com/d2ci8xc5/chip8vm already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4cbdb915403a706d9944f011a62e9e678d806e01a10f1c3e6ab02c62d2379a66 [INFO] running `"docker" "start" "-a" "4cbdb915403a706d9944f011a62e9e678d806e01a10f1c3e6ab02c62d2379a66"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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 num-iter v0.1.39 [INFO] [stderr] Compiling sdl2-sys v0.32.6 (https://github.com/AngryLawyer/rust-sdl2#72d199e5) [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling chip8vm v0.1.0 (/opt/rustwide/workdir) [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:38:21 [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: enum is never used: `color` [INFO] [stderr] --> src/color.rs:3:10 [INFO] [stderr] | [INFO] [stderr] 3 | pub enum color { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `value` [INFO] [stderr] --> src/color.rs:11:12 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn value(&self) -> Color { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `cpu` [INFO] [stderr] --> src/cpu.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub struct cpu { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/cpu.rs:29:12 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn new(sdl_context: &Sdl) -> cpu { [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: struct is never constructed: `display` [INFO] [stderr] --> src/display.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | pub struct display { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/display.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn new(sdl_context: &sdl2::Sdl) -> display { [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: constant is never used: `font` [INFO] [stderr] --> src/font.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / pub const font: [u8; 80] = [ [INFO] [stderr] 2 | | 0xf0, 0x90, 0x90, 0x90, 0xf0, // 0 [INFO] [stderr] 3 | | 0x20, 0x60, 0x20, 0x20, 0x70, // 1 [INFO] [stderr] 4 | | 0xf0, 0x10, 0xf0, 0x80, 0xf0, // 2 [INFO] [stderr] ... | [INFO] [stderr] 17 | | 0xf0, 0x80, 0xf0, 0x80, 0x80, // f [INFO] [stderr] 18 | | ]; [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `keypad` [INFO] [stderr] --> src/keypad.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | pub struct keypad { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/keypad.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn new(sdl_context: &sdl2::Sdl) -> Self { [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: 91 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.90s [INFO] running `"docker" "inspect" "4cbdb915403a706d9944f011a62e9e678d806e01a10f1c3e6ab02c62d2379a66"` [INFO] running `"docker" "rm" "-f" "4cbdb915403a706d9944f011a62e9e678d806e01a10f1c3e6ab02c62d2379a66"` [INFO] [stdout] 4cbdb915403a706d9944f011a62e9e678d806e01a10f1c3e6ab02c62d2379a66 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f31b945f0d695d2c593fec969a489b0b012f27e68b7f391ae933f8a6ed8af311 [INFO] running `"docker" "start" "-a" "f31b945f0d695d2c593fec969a489b0b012f27e68b7f391ae933f8a6ed8af311"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling chip8vm v0.1.0 (/opt/rustwide/workdir) [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:38:21 [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, [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 16.71s [INFO] running `"docker" "inspect" "f31b945f0d695d2c593fec969a489b0b012f27e68b7f391ae933f8a6ed8af311"` [INFO] running `"docker" "rm" "-f" "f31b945f0d695d2c593fec969a489b0b012f27e68b7f391ae933f8a6ed8af311"` [INFO] [stdout] f31b945f0d695d2c593fec969a489b0b012f27e68b7f391ae933f8a6ed8af311 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c92cffe08d6f4b038dcd961a89f66c581a0000969f4dcfe2d91fdbe793872397 [INFO] running `"docker" "start" "-a" "c92cffe08d6f4b038dcd961a89f66c581a0000969f4dcfe2d91fdbe793872397"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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:38:21 [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, [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 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chip8vm-11bd1588601c7a2e [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:15:31 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a0d3aeb3f5 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55a0d3aeb3f5 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55a0d3aeb3f5 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55a0d3aeb3f5 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55a0d3b131cc - core::fmt::write::h935cb0ed4078a853 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55a0d3a95475 - std::io::Write::write_fmt::h944a31ab04b0dfe4 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55a0d3ae5931 - std::io::impls::>::write_fmt::h6bd94c41a9c566d2 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55a0d3aedc20 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55a0d3aedc20 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55a0d3aedc20 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55a0d3aed91a - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55a0d3aee257 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x55a0d3aede5b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 13: 0x55a0d3b11b61 - core::panicking::panic_fmt::habd7df443069602c [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 14: 0x55a0d3b11983 - core::option::expect_none_failed::h721078758a086285 [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 15: 0x55a0d3a93ed3 - core::result::Result::unwrap::he1cdf97de048003c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/result.rs:1005 [INFO] [stdout] 16: 0x55a0d3a940f5 - chip8vm::display::display::new::hdee1977ea8ddff4d [INFO] [stdout] at src/display.rs:15 [INFO] [stdout] 17: 0x55a0d3a93859 - chip8vm::cpu::cpu::new::h3577319c1283703e [INFO] [stdout] at src/cpu.rs:47 [INFO] [stdout] 18: 0x55a0d3a912be - chip8vm::cpu::tests::test_new::hcf41e692b5c5dd4a [INFO] [stdout] at src/cpu.rs:430 [INFO] [stdout] 19: 0x55a0d3a9125a - chip8vm::cpu::tests::test_new::{{closure}}::h4b758a369ba428a9 [INFO] [stdout] at src/cpu.rs:428 [INFO] [stdout] 20: 0x55a0d3a9258e - core::ops::function::FnOnce::call_once::hca6857f660b6458c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 21: 0x55a0d3abc862 - as core::ops::function::FnOnce>::call_once::hd23431bd7b767a0c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 22: 0x55a0d3abc862 - as core::ops::function::FnOnce<()>>::call_once::h6986d2e83b783a4e [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 23: 0x55a0d3abc862 - std::panicking::try::do_call::haee67871ebe8ee92 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 24: 0x55a0d3abc862 - std::panicking::try::hcba534043f17f42d [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 25: 0x55a0d3abc862 - std::panic::catch_unwind::h6908c2ae7517b434 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 26: 0x55a0d3abc862 - test::run_test_in_process::h66277a63b8267865 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 27: 0x55a0d3abc862 - test::run_test::run_test_inner::{{closure}}::h591f321b83c3f302 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 28: 0x55a0d3a94936 - std::sys_common::backtrace::__rust_begin_short_backtrace::h843e47ea29613666 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 29: 0x55a0d3a99ed5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha6c43669df0cbe25 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475 [INFO] [stdout] 30: 0x55a0d3a99ed5 - as core::ops::function::FnOnce<()>>::call_once::hc86e5439e615a14a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 31: 0x55a0d3a99ed5 - std::panicking::try::do_call::h4b45bcf4d5d82a80 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 32: 0x55a0d3a99ed5 - std::panicking::try::h297c0c407d3f8196 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 33: 0x55a0d3a99ed5 - std::panic::catch_unwind::h877baa9fbef2eafe [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x55a0d3a99ed5 - std::thread::Builder::spawn_unchecked::{{closure}}::hdb000626ad29158a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474 [INFO] [stdout] 35: 0x55a0d3a99ed5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87e786b011f05b5c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 36: 0x55a0d3af451a - as core::ops::function::FnOnce>::call_once::hfc5c0e64036d1b09 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 37: 0x55a0d3af451a - as core::ops::function::FnOnce>::call_once::hf3d73184efc070c1 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 38: 0x55a0d3af451a - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 39: 0x7f33fad01609 - start_thread [INFO] [stdout] 40: 0x7f33fac0d103 - __clone [INFO] [stdout] 41: 0x0 - [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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin chip8vm' [INFO] running `"docker" "inspect" "c92cffe08d6f4b038dcd961a89f66c581a0000969f4dcfe2d91fdbe793872397"` [INFO] running `"docker" "rm" "-f" "c92cffe08d6f4b038dcd961a89f66c581a0000969f4dcfe2d91fdbe793872397"` [INFO] [stdout] c92cffe08d6f4b038dcd961a89f66c581a0000969f4dcfe2d91fdbe793872397