[INFO] cloning repository https://github.com/shawngiroux/rusty-chip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shawngiroux/rusty-chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshawngiroux%2Frusty-chip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshawngiroux%2Frusty-chip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b24080a7a4460aec51cc25b9614587636da4875 [INFO] testing shawngiroux/rusty-chip8 against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshawngiroux%2Frusty-chip8" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shawngiroux/rusty-chip8 on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shawngiroux/rusty-chip8 [INFO] finished tweaking git repo https://github.com/shawngiroux/rusty-chip8 [INFO] tweaked toml for git repo https://github.com/shawngiroux/rusty-chip8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/shawngiroux/rusty-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" "+613d1972a772987ed4ee06faccbab0e2fc839871" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd11356e52967db23a7acf471b6123cf5dfd3376c9e325d766e9ddd0dcd00d36 [INFO] running `Command { std: "docker" "start" "-a" "fd11356e52967db23a7acf471b6123cf5dfd3376c9e325d766e9ddd0dcd00d36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd11356e52967db23a7acf471b6123cf5dfd3376c9e325d766e9ddd0dcd00d36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd11356e52967db23a7acf471b6123cf5dfd3376c9e325d766e9ddd0dcd00d36", kill_on_drop: false }` [INFO] [stdout] fd11356e52967db23a7acf471b6123cf5dfd3376c9e325d766e9ddd0dcd00d36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 429ec81959bdfd4cf01f1178567b5f5e8dc64255338ef298cc6bc288698b8563 [INFO] running `Command { std: "docker" "start" "-a" "429ec81959bdfd4cf01f1178567b5f5e8dc64255338ef298cc6bc288698b8563", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling libloading v0.6.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling downcast-rs v1.2.0 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling nom v6.1.0 [INFO] [stderr] Compiling clang-sys v1.1.0 [INFO] [stderr] Compiling wayland-scanner v0.27.0 [INFO] [stderr] Compiling wayland-sys v0.27.0 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling rand_core v0.6.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.8.2 [INFO] [stderr] Compiling xcursor v0.3.3 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling minifb v0.19.2 [INFO] [stderr] Compiling wayland-client v0.27.0 [INFO] [stderr] Compiling wayland-commons v0.27.0 [INFO] [stderr] Compiling wayland-protocols v0.27.0 [INFO] [stderr] Compiling wayland-cursor v0.27.0 [INFO] [stderr] Compiling xkbcommon-sys v0.7.5 [INFO] [stderr] Compiling xkb v0.2.1 [INFO] [stderr] Compiling rusty-chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:191:26 [INFO] [stdout] | [INFO] [stdout] 191 | let NN = (self.opcode & 0x00FF); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 191 - let NN = (self.opcode & 0x00FF); [INFO] [stdout] 191 + let NN = self.opcode & 0x00FF; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:245:31 [INFO] [stdout] | [INFO] [stdout] 245 | let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 245 - let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16)); [INFO] [stdout] 245 + let sub = (self.V[VX as usize] as i16) - (self.V[VY as usize] as i16); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:301:26 [INFO] [stdout] | [INFO] [stdout] 301 | self.I = (self.opcode & 0x0FFF); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 301 - self.I = (self.opcode & 0x0FFF); [INFO] [stdout] 301 + self.I = self.opcode & 0x0FFF; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:311:26 [INFO] [stdout] | [INFO] [stdout] 311 | let NN = (self.opcode & 0x00FF); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 311 - let NN = (self.opcode & 0x00FF); [INFO] [stdout] 311 + let NN = self.opcode & 0x00FF; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:325:21 [INFO] [stdout] | [INFO] [stdout] 325 | let w = (self.width - 1) as u16; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct CPU { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 20 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `debug_cpu_registers` is never used [INFO] [stdout] --> src/main.rs:486:8 [INFO] [stdout] | [INFO] [stdout] 486 | fn debug_cpu_registers(V: [u16; 16]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | f.read_to_end(&mut buffer); [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] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 42s [INFO] running `Command { std: "docker" "inspect" "429ec81959bdfd4cf01f1178567b5f5e8dc64255338ef298cc6bc288698b8563", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "429ec81959bdfd4cf01f1178567b5f5e8dc64255338ef298cc6bc288698b8563", kill_on_drop: false }` [INFO] [stdout] 429ec81959bdfd4cf01f1178567b5f5e8dc64255338ef298cc6bc288698b8563 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84e206c97c2a5f7e2c3ec9f7c22fc199e5cb5b0c885fb9f399f2b65532ff06b1 [INFO] running `Command { std: "docker" "start" "-a" "84e206c97c2a5f7e2c3ec9f7c22fc199e5cb5b0c885fb9f399f2b65532ff06b1", kill_on_drop: false }` [INFO] [stderr] Compiling rusty-chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:191:26 [INFO] [stdout] | [INFO] [stdout] 191 | let NN = (self.opcode & 0x00FF); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 191 - let NN = (self.opcode & 0x00FF); [INFO] [stdout] 191 + let NN = self.opcode & 0x00FF; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:245:31 [INFO] [stdout] | [INFO] [stdout] 245 | let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 245 - let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16)); [INFO] [stdout] 245 + let sub = (self.V[VX as usize] as i16) - (self.V[VY as usize] as i16); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:301:26 [INFO] [stdout] | [INFO] [stdout] 301 | self.I = (self.opcode & 0x0FFF); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 301 - self.I = (self.opcode & 0x0FFF); [INFO] [stdout] 301 + self.I = self.opcode & 0x0FFF; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:311:26 [INFO] [stdout] | [INFO] [stdout] 311 | let NN = (self.opcode & 0x00FF); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 311 - let NN = (self.opcode & 0x00FF); [INFO] [stdout] 311 + let NN = self.opcode & 0x00FF; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:325:21 [INFO] [stdout] | [INFO] [stdout] 325 | let w = (self.width - 1) as u16; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct CPU { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 20 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `debug_cpu_registers` is never used [INFO] [stdout] --> src/main.rs:486:8 [INFO] [stdout] | [INFO] [stdout] 486 | fn debug_cpu_registers(V: [u16; 16]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | f.read_to_end(&mut buffer); [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] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "84e206c97c2a5f7e2c3ec9f7c22fc199e5cb5b0c885fb9f399f2b65532ff06b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84e206c97c2a5f7e2c3ec9f7c22fc199e5cb5b0c885fb9f399f2b65532ff06b1", kill_on_drop: false }` [INFO] [stdout] 84e206c97c2a5f7e2c3ec9f7c22fc199e5cb5b0c885fb9f399f2b65532ff06b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6e9089b0c53bc29a373f45c8a15e3c843a7ea3f9273c9d9c48fd23efce5af10a [INFO] running `Command { std: "docker" "start" "-a" "6e9089b0c53bc29a373f45c8a15e3c843a7ea3f9273c9d9c48fd23efce5af10a", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:191:26 [INFO] [stderr] | [INFO] [stderr] 191 | let NN = (self.opcode & 0x00FF); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 191 - let NN = (self.opcode & 0x00FF); [INFO] [stderr] 191 + let NN = self.opcode & 0x00FF; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:245:31 [INFO] [stderr] | [INFO] [stderr] 245 | let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16)); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 245 - let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16)); [INFO] [stderr] 245 + let sub = (self.V[VX as usize] as i16) - (self.V[VY as usize] as i16); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:301:26 [INFO] [stderr] | [INFO] [stderr] 301 | self.I = (self.opcode & 0x0FFF); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 301 - self.I = (self.opcode & 0x0FFF); [INFO] [stderr] 301 + self.I = self.opcode & 0x0FFF; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:311:26 [INFO] [stderr] | [INFO] [stderr] 311 | let NN = (self.opcode & 0x00FF); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 311 - let NN = (self.opcode & 0x00FF); [INFO] [stderr] 311 + let NN = self.opcode & 0x00FF; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w` [INFO] [stderr] --> src/main.rs:325:21 [INFO] [stderr] | [INFO] [stderr] 325 | let w = (self.width - 1) as u16; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `height` is never read [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 11 | struct CPU { [INFO] [stderr] | --- field in this struct [INFO] [stderr] ... [INFO] [stderr] 20 | height: u32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `debug_cpu_registers` is never used [INFO] [stderr] --> src/main.rs:486:8 [INFO] [stderr] | [INFO] [stderr] 486 | fn debug_cpu_registers(V: [u16; 16]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | f.read_to_end(&mut buffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rusty-chip8` (bin "rusty-chip8" test) generated 8 warnings (run `cargo fix --bin "rusty-chip8" --tests` to apply 5 suggestions) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_chip8-6aaceec6d091efaf) [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" "6e9089b0c53bc29a373f45c8a15e3c843a7ea3f9273c9d9c48fd23efce5af10a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e9089b0c53bc29a373f45c8a15e3c843a7ea3f9273c9d9c48fd23efce5af10a", kill_on_drop: false }` [INFO] [stdout] 6e9089b0c53bc29a373f45c8a15e3c843a7ea3f9273c9d9c48fd23efce5af10a