[INFO] cloning repository https://github.com/IanusInferus/chip8emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IanusInferus/chip8emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanusInferus%2Fchip8emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanusInferus%2Fchip8emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03c33abe0bab7d388e5dca11f7b362323e089a43
[INFO] checking IanusInferus/chip8emu against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanusInferus%2Fchip8emu" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/IanusInferus/chip8emu
[INFO] finished tweaking git repo https://github.com/IanusInferus/chip8emu
[INFO] tweaked toml for git repo https://github.com/IanusInferus/chip8emu written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/IanusInferus/chip8emu on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/IanusInferus/chip8emu 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e604cc1ca80658e28ada9e5c67b213c24913e76939a05a614da4eb1f60df0541" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e604cc1ca80658e28ada9e5c67b213c24913e76939a05a614da4eb1f60df0541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e604cc1ca80658e28ada9e5c67b213c24913e76939a05a614da4eb1f60df0541" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut machine = Chip8Machine::new(&rom_bytes)?;
[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: field `stream` is never read
[INFO] [stdout]  --> src/buzzer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Buzzer {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 5 |     stream: cpal::Stream,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut machine = Chip8Machine::new(&rom_bytes)?;
[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: field `stream` is never read
[INFO] [stdout]  --> src/buzzer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Buzzer {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 5 |     stream: cpal::Stream,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     eframe::run_native(
[INFO] [stdout] 41 | |         "CHIP-8 Emulator",
[INFO] [stdout] 42 | |         options,
[INFO] [stdout] 43 | |         Box::new(|cc| Ok(Box::new(Ui::new(cc, machine)))),
[INFO] [stdout] 44 | |     );
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let _ = eframe::run_native(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     eframe::run_native(
[INFO] [stdout] 41 | |         "CHIP-8 Emulator",
[INFO] [stdout] 42 | |         options,
[INFO] [stdout] 43 | |         Box::new(|cc| Ok(Box::new(Ui::new(cc, machine)))),
[INFO] [stdout] 44 | |     );
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let _ = eframe::run_native(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `register_I` should have a snake case name
[INFO] [stdout]  --> src/machine.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub register_I: u16,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `register_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `need_new_key_in_Vx` should have a snake case name
[INFO] [stdout]   --> src/machine.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub need_new_key_in_Vx: Option<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `need_new_key_in_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `register_I` should have a snake case name
[INFO] [stdout]  --> src/machine.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub register_I: u16,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `register_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `need_new_key_in_Vx` should have a snake case name
[INFO] [stdout]   --> src/machine.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub need_new_key_in_Vx: Option<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `need_new_key_in_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: glutin v0.32.3, glutin-winit v0.5.0, nix v0.29.0, winit v0.30.13
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "e604cc1ca80658e28ada9e5c67b213c24913e76939a05a614da4eb1f60df0541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e604cc1ca80658e28ada9e5c67b213c24913e76939a05a614da4eb1f60df0541", kill_on_drop: false }`
[INFO] [stdout] e604cc1ca80658e28ada9e5c67b213c24913e76939a05a614da4eb1f60df0541
