[INFO] cloning repository https://github.com/MichaelGoodale/Rusted-Chip-8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MichaelGoodale/Rusted-Chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelGoodale%2FRusted-Chip-8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelGoodale%2FRusted-Chip-8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 584696b49a791cafeb11aa6c5de1c2ce36cd2671 [INFO] testing MichaelGoodale/Rusted-Chip-8 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelGoodale%2FRusted-Chip-8" "/workspace/builds/worker-93/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MichaelGoodale/Rusted-Chip-8 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MichaelGoodale/Rusted-Chip-8 [INFO] finished tweaking git repo https://github.com/MichaelGoodale/Rusted-Chip-8 [INFO] tweaked toml for git repo https://github.com/MichaelGoodale/Rusted-Chip-8 written to /workspace/builds/worker-93/source/Cargo.toml [INFO] crate git repo https://github.com/MichaelGoodale/Rusted-Chip-8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-integer v0.1.33 [INFO] [stderr] Downloaded num v0.1.37 [INFO] [stderr] Downloaded libc v0.2.20 [INFO] [stderr] Downloaded sdl2-sys v0.27.2 [INFO] [stderr] Downloaded sdl2 v0.29.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 671d14d482c4bb42fd9fa66afa855e6f2766b21bc2c5ce8e342742c0a6844fd5 [INFO] running `Command { std: "docker" "start" "-a" "671d14d482c4bb42fd9fa66afa855e6f2766b21bc2c5ce8e342742c0a6844fd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "671d14d482c4bb42fd9fa66afa855e6f2766b21bc2c5ce8e342742c0a6844fd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "671d14d482c4bb42fd9fa66afa855e6f2766b21bc2c5ce8e342742c0a6844fd5", kill_on_drop: false }` [INFO] [stdout] 671d14d482c4bb42fd9fa66afa855e6f2766b21bc2c5ce8e342742c0a6844fd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20f3122bc492a097622f9abce5549e48df20106d166b1fd0a127d1d6445dc6f2 [INFO] running `Command { std: "docker" "start" "-a" "20f3122bc492a097622f9abce5549e48df20106d166b1fd0a127d1d6445dc6f2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.1.37 [INFO] [stderr] Compiling sdl2-sys v0.27.2 [INFO] [stderr] Compiling libc v0.2.20 [INFO] [stderr] Compiling lazy_static v0.2.2 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling num-integer v0.1.33 [INFO] [stderr] Compiling num-iter v0.1.33 [INFO] [stderr] Compiling num v0.1.37 [INFO] [stderr] Compiling sdl2 v0.29.0 [INFO] [stderr] Compiling chip8_emu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env::current_dir` [INFO] [stdout] --> src/cpu.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::env::current_dir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | if(c.do_cycle()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 52 - if(c.do_cycle()) { [INFO] [stdout] 52 + if c.do_cycle() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/cpu.rs:56:16 [INFO] [stdout] | [INFO] [stdout] 56 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:54:7 [INFO] [stdout] | [INFO] [stdout] 54 | let mut file = match File::open(&path) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:117:6 [INFO] [stdout] | [INFO] [stdout] 117 | let mut events = ctx.event_pump().unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `do_opcode` [INFO] [stdout] --> src/cpu.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 325 | pub fn do_opcode(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:7 [INFO] [stdout] | [INFO] [stdout] 90 | r.draw_point(Point::new(i as i32, j as i32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:113:2 [INFO] [stdout] | [INFO] [stdout] 113 | renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vx` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:10 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vy` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:14 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.05s [INFO] running `Command { std: "docker" "inspect" "20f3122bc492a097622f9abce5549e48df20106d166b1fd0a127d1d6445dc6f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20f3122bc492a097622f9abce5549e48df20106d166b1fd0a127d1d6445dc6f2", kill_on_drop: false }` [INFO] [stdout] 20f3122bc492a097622f9abce5549e48df20106d166b1fd0a127d1d6445dc6f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac9a442e54cca55e34527d3cb947ec6141342056914398203e46aeec31e3e4e9 [INFO] running `Command { std: "docker" "start" "-a" "ac9a442e54cca55e34527d3cb947ec6141342056914398203e46aeec31e3e4e9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling chip8_emu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env::current_dir` [INFO] [stdout] --> src/cpu.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::env::current_dir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | if(c.do_cycle()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 52 - if(c.do_cycle()) { [INFO] [stdout] 52 + if c.do_cycle() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/cpu.rs:56:16 [INFO] [stdout] | [INFO] [stdout] 56 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:54:7 [INFO] [stdout] | [INFO] [stdout] 54 | let mut file = match File::open(&path) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:117:6 [INFO] [stdout] | [INFO] [stdout] 117 | let mut events = ctx.event_pump().unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `do_opcode` [INFO] [stdout] --> src/cpu.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 325 | pub fn do_opcode(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:7 [INFO] [stdout] | [INFO] [stdout] 90 | r.draw_point(Point::new(i as i32, j as i32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:113:2 [INFO] [stdout] | [INFO] [stdout] 113 | renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vx` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:10 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vy` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:14 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.42s [INFO] running `Command { std: "docker" "inspect" "ac9a442e54cca55e34527d3cb947ec6141342056914398203e46aeec31e3e4e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac9a442e54cca55e34527d3cb947ec6141342056914398203e46aeec31e3e4e9", kill_on_drop: false }` [INFO] [stdout] ac9a442e54cca55e34527d3cb947ec6141342056914398203e46aeec31e3e4e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8a48c91c84f38f48f97c0a354a9ea534c37266494a653fe47be2b9e33a6b276f [INFO] running `Command { std: "docker" "start" "-a" "8a48c91c84f38f48f97c0a354a9ea534c37266494a653fe47be2b9e33a6b276f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::env::current_dir` [INFO] [stderr] --> src/cpu.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::env::current_dir; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | if(c.do_cycle()) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 52 - if(c.do_cycle()) { [INFO] [stderr] 52 + if c.do_cycle() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/cpu.rs:56:16 [INFO] [stderr] | [INFO] [stderr] 56 | ... why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cpu.rs:54:7 [INFO] [stderr] | [INFO] [stderr] 54 | let mut file = match File::open(&path) { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:117:6 [INFO] [stderr] | [INFO] [stderr] 117 | let mut events = ctx.event_pump().unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `do_opcode` [INFO] [stderr] --> src/cpu.rs:325:9 [INFO] [stderr] | [INFO] [stderr] 325 | pub fn do_opcode(&mut self, opcode: u16) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:90:7 [INFO] [stderr] | [INFO] [stderr] 90 | r.draw_point(Point::new(i as i32, j as i32)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:113:2 [INFO] [stderr] | [INFO] [stderr] 113 | renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `Vx` should have a snake case name [INFO] [stderr] --> src/cpu.rs:225:10 [INFO] [stderr] | [INFO] [stderr] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stderr] | ^^ help: convert the identifier to snake case (notice the capitalization): `vx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `Vy` should have a snake case name [INFO] [stderr] --> src/cpu.rs:225:14 [INFO] [stderr] | [INFO] [stderr] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stderr] | ^^ help: convert the identifier to snake case (notice the capitalization): `vy` [INFO] [stderr] [INFO] [stderr] warning: `chip8_emu` (bin "chip8_emu" test) generated 10 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/chip8_emu-6181cfbc1e3bd0cc) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8a48c91c84f38f48f97c0a354a9ea534c37266494a653fe47be2b9e33a6b276f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a48c91c84f38f48f97c0a354a9ea534c37266494a653fe47be2b9e33a6b276f", kill_on_drop: false }` [INFO] [stdout] 8a48c91c84f38f48f97c0a354a9ea534c37266494a653fe47be2b9e33a6b276f