[INFO] cloning repository https://github.com/deo2407/chip8-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deo2407/chip8-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeo2407%2Fchip8-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeo2407%2Fchip8-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3b5ea3c3a1d764a45048c2ed3d97ef6f03fb85e6 [INFO] checking deo2407/chip8-interpreter against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeo2407%2Fchip8-interpreter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/deo2407/chip8-interpreter [INFO] finished tweaking git repo https://github.com/deo2407/chip8-interpreter [INFO] tweaked toml for git repo https://github.com/deo2407/chip8-interpreter written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/deo2407/chip8-interpreter on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/deo2407/chip8-interpreter 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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 43f26aaa2db8c1a2e220ddc4bdd4c83d2f52f66e33065aff834e4482040af46c [INFO] running `Command { std: "docker" "start" "-a" "43f26aaa2db8c1a2e220ddc4bdd4c83d2f52f66e33065aff834e4482040af46c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "43f26aaa2db8c1a2e220ddc4bdd4c83d2f52f66e33065aff834e4482040af46c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43f26aaa2db8c1a2e220ddc4bdd4c83d2f52f66e33065aff834e4482040af46c", kill_on_drop: false }` [INFO] [stdout] 43f26aaa2db8c1a2e220ddc4bdd4c83d2f52f66e33065aff834e4482040af46c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 352877f7c3893a631a64a6b961c6ab32cdf78b644191458cd5526515f09d39e7 [INFO] running `Command { std: "docker" "start" "-a" "352877f7c3893a631a64a6b961c6ab32cdf78b644191458cd5526515f09d39e7", kill_on_drop: false }` [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking wayland-sys v0.29.5 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking bytemuck v1.23.0 [INFO] [stderr] Compiling wayland-scanner v0.29.5 [INFO] [stderr] Compiling rustix v1.0.7 [INFO] [stderr] Checking alsa-sys v0.3.1 [INFO] [stderr] Compiling minifb v0.28.0 [INFO] [stderr] Checking lewton v0.10.2 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking symphonia-core v0.5.4 [INFO] [stderr] Checking alsa v0.9.1 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking raw-window-handle v0.6.2 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand v0.9.1 [INFO] [stderr] Compiling wayland-client v0.29.5 [INFO] [stderr] Compiling wayland-protocols v0.29.5 [INFO] [stderr] Checking wayland-commons v0.29.5 [INFO] [stderr] Checking cpal v0.15.3 [INFO] [stderr] Checking symphonia-metadata v0.5.4 [INFO] [stderr] Checking symphonia-bundle-mp3 v0.5.4 [INFO] [stderr] Checking symphonia v0.5.4 [INFO] [stderr] Checking rodio v0.20.1 [INFO] [stderr] Checking tempfile v3.20.0 [INFO] [stderr] Checking wayland-cursor v0.29.5 [INFO] [stderr] Checking chip8-interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `WindowOptions` and `Window` [INFO] [stdout] --> src/chip8.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | use minifb::{Window, WindowOptions}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/chip8.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::display::{self, Display}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/audio.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stdout] --> src/chip8.rs:327:51 [INFO] [stdout] | [INFO] [stdout] 327 | let random_number: u8 = rand::thread_rng().r#gen(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `rand::Rng::r#gen`: Renamed to `random` to avoid conflict with the new `gen` keyword in Rust 2024. [INFO] [stdout] --> src/chip8.rs:327:64 [INFO] [stdout] | [INFO] [stdout] 327 | let random_number: u8 = rand::thread_rng().r#gen(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/chip8.rs:391:39 [INFO] [stdout] | [INFO] [stdout] 391 | ... self.I += self.V[x]; [INFO] [stdout] | ^^^^^^^^^ expected `u16`, found `u8` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: cannot add-assign `u8` to `u16` [INFO] [stdout] --> src/chip8.rs:391:36 [INFO] [stdout] | [INFO] [stdout] 391 | ... self.I += self.V[x]; [INFO] [stdout] | ^^ no implementation for `u16 += u8` [INFO] [stdout] | [INFO] [stdout] = help: the trait `AddAssign` is not implemented for `u16` [INFO] [stdout] help: the following other types implement trait `AddAssign` [INFO] [stdout] --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:787:8 [INFO] [stdout] | [INFO] [stdout] = note: `u16` implements `AddAssign` [INFO] [stdout] ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:800:0 [INFO] [stdout] | [INFO] [stdout] = note: in this macro invocation [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.25/src/byteorder.rs:314:9 [INFO] [stdout] | [INFO] [stdout] 314 | impl core::ops::$trait_assign<$name> for $native { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `u16` implements `AddAssign>` [INFO] [stdout] ... [INFO] [stdout] 700 | / define_type!( [INFO] [stdout] 701 | | A, [INFO] [stdout] 702 | | "A 16-bit unsigned integer", [INFO] [stdout] 703 | | U16, [INFO] [stdout] ... | [INFO] [stdout] 715 | | [U32, U64, U128, Usize] [INFO] [stdout] 716 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:61:8 [INFO] [stdout] | [INFO] [stdout] = note: `u16` implements `AddAssign<&u16>` [INFO] [stdout] = note: this error originates in the macro `add_assign_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | let mut memory = Self::init_memory(program)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | let mut display = Display::new()?; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut beeper = Beeper::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/chip8.rs:140:46 [INFO] [stdout] | [INFO] [stdout] 140 | fn update_buffer_with_sprites(&mut self, x: u8, y: u8, n: u16) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/chip8.rs:140:53 [INFO] [stdout] | [INFO] [stdout] 140 | fn update_buffer_with_sprites(&mut self, x: u8, y: u8, n: u16) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/chip8.rs:140:60 [INFO] [stdout] | [INFO] [stdout] 140 | fn update_buffer_with_sprites(&mut self, x: u8, y: u8, n: u16) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/display.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut pixels = [false; WIDTH * HEIGHT]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/display.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut window = Window::new("Test", WIDTH * SCALE, HEIGHT * SCALE, WindowOptions::default())?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stdout] warning: unused imports: `WindowOptions` and `Window` [INFO] [stdout] --> src/chip8.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | use minifb::{Window, WindowOptions}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/chip8.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::display::{self, Display}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/audio.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `chip8-interpreter` (bin "chip8-interpreter") due to 2 previous errors; 14 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stdout] --> src/chip8.rs:327:51 [INFO] [stdout] | [INFO] [stdout] 327 | let random_number: u8 = rand::thread_rng().r#gen(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `rand::Rng::r#gen`: Renamed to `random` to avoid conflict with the new `gen` keyword in Rust 2024. [INFO] [stdout] --> src/chip8.rs:327:64 [INFO] [stdout] | [INFO] [stdout] 327 | let random_number: u8 = rand::thread_rng().r#gen(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/chip8.rs:391:39 [INFO] [stdout] | [INFO] [stdout] 391 | ... self.I += self.V[x]; [INFO] [stdout] | ^^^^^^^^^ expected `u16`, found `u8` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: cannot add-assign `u8` to `u16` [INFO] [stdout] --> src/chip8.rs:391:36 [INFO] [stdout] | [INFO] [stdout] 391 | ... self.I += self.V[x]; [INFO] [stdout] | ^^ no implementation for `u16 += u8` [INFO] [stdout] | [INFO] [stdout] = help: the trait `AddAssign` is not implemented for `u16` [INFO] [stdout] help: the following other types implement trait `AddAssign` [INFO] [stdout] --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:787:8 [INFO] [stdout] | [INFO] [stdout] = note: `u16` implements `AddAssign` [INFO] [stdout] ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:800:0 [INFO] [stdout] | [INFO] [stdout] = note: in this macro invocation [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.25/src/byteorder.rs:314:9 [INFO] [stdout] | [INFO] [stdout] 314 | impl core::ops::$trait_assign<$name> for $native { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `u16` implements `AddAssign>` [INFO] [stdout] ... [INFO] [stdout] 700 | / define_type!( [INFO] [stdout] 701 | | A, [INFO] [stdout] 702 | | "A 16-bit unsigned integer", [INFO] [stdout] 703 | | U16, [INFO] [stdout] ... | [INFO] [stdout] 715 | | [U32, U64, U128, Usize] [INFO] [stdout] 716 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:61:8 [INFO] [stdout] | [INFO] [stdout] = note: `u16` implements `AddAssign<&u16>` [INFO] [stdout] = note: this error originates in the macro `add_assign_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | let mut memory = Self::init_memory(program)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | let mut display = Display::new()?; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chip8.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut beeper = Beeper::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/chip8.rs:140:46 [INFO] [stdout] | [INFO] [stdout] 140 | fn update_buffer_with_sprites(&mut self, x: u8, y: u8, n: u16) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/chip8.rs:140:53 [INFO] [stdout] | [INFO] [stdout] 140 | fn update_buffer_with_sprites(&mut self, x: u8, y: u8, n: u16) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/chip8.rs:140:60 [INFO] [stdout] | [INFO] [stdout] 140 | fn update_buffer_with_sprites(&mut self, x: u8, y: u8, n: u16) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/display.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut pixels = [false; WIDTH * HEIGHT]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/display.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut window = Window::new("Test", WIDTH * SCALE, HEIGHT * SCALE, WindowOptions::default())?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `chip8-interpreter` (bin "chip8-interpreter" test) due to 2 previous errors; 14 warnings emitted [INFO] running `Command { std: "docker" "inspect" "352877f7c3893a631a64a6b961c6ab32cdf78b644191458cd5526515f09d39e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "352877f7c3893a631a64a6b961c6ab32cdf78b644191458cd5526515f09d39e7", kill_on_drop: false }` [INFO] [stdout] 352877f7c3893a631a64a6b961c6ab32cdf78b644191458cd5526515f09d39e7