[INFO] cloning repository https://github.com/longlb/chip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/longlb/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonglb%2Fchip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonglb%2Fchip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c2e7ecd317f8a100c68c2390709e3d9f5200588 [INFO] checking longlb/chip8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonglb%2Fchip8" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/longlb/chip8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/longlb/chip8 [INFO] finished tweaking git repo https://github.com/longlb/chip8 [INFO] tweaked toml for git repo https://github.com/longlb/chip8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/longlb/chip8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sdl2 v0.34.5 [INFO] [stderr] Downloaded sdl2-sys v0.34.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b52c843737536b8ae5a422862d036fd08a9cff64b675f294410b8adc885771b [INFO] running `Command { std: "docker" "start" "-a" "0b52c843737536b8ae5a422862d036fd08a9cff64b675f294410b8adc885771b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b52c843737536b8ae5a422862d036fd08a9cff64b675f294410b8adc885771b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b52c843737536b8ae5a422862d036fd08a9cff64b675f294410b8adc885771b", kill_on_drop: false }` [INFO] [stdout] 0b52c843737536b8ae5a422862d036fd08a9cff64b675f294410b8adc885771b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4dcd1b9aabdd3edabf530fee6e41a114a6b172bd8b9b920635e481a94870548e [INFO] running `Command { std: "docker" "start" "-a" "4dcd1b9aabdd3edabf530fee6e41a114a6b172bd8b9b920635e481a94870548e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling sdl2 v0.34.5 [INFO] [stderr] Compiling sdl2-sys v0.34.5 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/cpu.rs:266:25 [INFO] [stdout] | [INFO] [stdout] 266 | fn paste(&mut self, index: usize, arr: &[u8], vx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/cpu.rs:273:29 [INFO] [stdout] | [INFO] [stdout] 273 | fn load_regs(&mut self, index: usize, vx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/cpu.rs:280:28 [INFO] [stdout] | [INFO] [stdout] 280 | fn dec_conv(&mut self, index: usize, val: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `audio` is never used [INFO] [stdout] --> src/audio.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn audio(context: &sdl2::Sdl) -> Result, String> { [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/cpu.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | self.display.draw_pixel(x as i32, y as i32, diff_pixel); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 202 | let _ = self.display.draw_pixel(x as i32, y as i32, diff_pixel); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/cpu.rs:266:25 [INFO] [stdout] | [INFO] [stdout] 266 | fn paste(&mut self, index: usize, arr: &[u8], vx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/cpu.rs:273:29 [INFO] [stdout] | [INFO] [stdout] 273 | fn load_regs(&mut self, index: usize, vx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/cpu.rs:280:28 [INFO] [stdout] | [INFO] [stdout] 280 | fn dec_conv(&mut self, index: usize, val: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `audio` is never used [INFO] [stdout] --> src/audio.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn audio(context: &sdl2::Sdl) -> Result, String> { [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/cpu.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | self.display.draw_pixel(x as i32, y as i32, diff_pixel); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 202 | let _ = self.display.draw_pixel(x as i32, y as i32, diff_pixel); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s [INFO] running `Command { std: "docker" "inspect" "4dcd1b9aabdd3edabf530fee6e41a114a6b172bd8b9b920635e481a94870548e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dcd1b9aabdd3edabf530fee6e41a114a6b172bd8b9b920635e481a94870548e", kill_on_drop: false }` [INFO] [stdout] 4dcd1b9aabdd3edabf530fee6e41a114a6b172bd8b9b920635e481a94870548e