[INFO] cloning repository https://github.com/julian9499/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julian9499/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulian9499%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulian9499%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0a6272cd95ac16208d4c60b3fa2bcf7cda4c62c
[INFO] checking julian9499/chip8 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulian9499%2Fchip8" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/julian9499/chip8
[INFO] finished tweaking git repo https://github.com/julian9499/chip8
[INFO] tweaked toml for git repo https://github.com/julian9499/chip8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/julian9499/chip8 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/julian9499/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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb6c5d4f6d154427bf3db71982545f27ac893c4b7bc03608983d2340cda6b646
[INFO] running `Command { std: "docker" "start" "-a" "fb6c5d4f6d154427bf3db71982545f27ac893c4b7bc03608983d2340cda6b646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb6c5d4f6d154427bf3db71982545f27ac893c4b7bc03608983d2340cda6b646", kill_on_drop: false }`
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[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
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[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ControlFlow` and `EventLoop`
[INFO] [stdout]  --> src/cpu.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use winit::event_loop::{EventLoop, ControlFlow};
[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: `winit::event::Event`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use winit::event::Event;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `winit::platform::unix::x11::Window`
[INFO] [stdout]  --> src/cpu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use winit::platform::unix::x11::Window;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/cpu.rs:227:99
[INFO] [stdout]     |
[INFO] [stdout] 227 |                     let y_coord: u16 = (((y.wrapping_add(index as u8)) % 32) as u16).wrapping_mul((64 as u16));
[INFO] [stdout]     |                                                                                                   ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 227 -                     let y_coord: u16 = (((y.wrapping_add(index as u8)) % 32) as u16).wrapping_mul((64 as u16));
[INFO] [stdout] 227 +                     let y_coord: u16 = (((y.wrapping_add(index as u8)) % 32) as u16).wrapping_mul(64 as u16 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/chip8.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/chip8.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pixels::{Error, Pixels, SurfaceTexture};
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `winit::platform::unix::WindowExtUnix`
[INFO] [stdout]   --> src/chip8.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use winit::platform::unix::WindowExtUnix;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Device`
[INFO] [stdout]  --> src/audio.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cpal::{Device, Stream};
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cpu.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |         for (i, pixel) in self.framebuffer.iter_mut().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (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:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut ten_millis = time::Duration::from_millis(16);
[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: unused variable: `args`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let args: Vec<String> = env::args().collect();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `clone` is never used
[INFO] [stdout]   --> src/chip8.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl CHIP8 {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn clone(mem: Memory, cpu: Cpu) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:16:26
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Err(a) => panic!(a)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Err(a) => panic!("{}", a)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 16 -         Err(a) => panic!(a)
[INFO] [stdout] 16 +         Err(a) => std::panic::panic_any(a)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cpu.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             self.stream.pause();
[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] 59 |             let _ = self.stream.pause();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cpu.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             self.stream.play();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = self.stream.play();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ControlFlow` and `EventLoop`
[INFO] [stdout]  --> src/cpu.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use winit::event_loop::{EventLoop, ControlFlow};
[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: `winit::event::Event`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use winit::event::Event;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `winit::platform::unix::x11::Window`
[INFO] [stdout]  --> src/cpu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use winit::platform::unix::x11::Window;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/cpu.rs:227:99
[INFO] [stdout]     |
[INFO] [stdout] 227 |                     let y_coord: u16 = (((y.wrapping_add(index as u8)) % 32) as u16).wrapping_mul((64 as u16));
[INFO] [stdout]     |                                                                                                   ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 227 -                     let y_coord: u16 = (((y.wrapping_add(index as u8)) % 32) as u16).wrapping_mul((64 as u16));
[INFO] [stdout] 227 +                     let y_coord: u16 = (((y.wrapping_add(index as u8)) % 32) as u16).wrapping_mul(64 as u16 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/chip8.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/chip8.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pixels::{Error, Pixels, SurfaceTexture};
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `winit::platform::unix::WindowExtUnix`
[INFO] [stdout]   --> src/chip8.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use winit::platform::unix::WindowExtUnix;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Device`
[INFO] [stdout]  --> src/audio.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cpal::{Device, Stream};
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         stream.pause();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let _ = stream.pause();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cpu.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |         for (i, pixel) in self.framebuffer.iter_mut().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (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:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut ten_millis = time::Duration::from_millis(16);
[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: unused variable: `args`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let args: Vec<String> = env::args().collect();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `clone` is never used
[INFO] [stdout]   --> src/chip8.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl CHIP8 {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn clone(mem: Memory, cpu: Cpu) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:16:26
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Err(a) => panic!(a)
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Err(a) => panic!("{}", a)
[INFO] [stdout]    |                          +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 16 -         Err(a) => panic!(a)
[INFO] [stdout] 16 +         Err(a) => std::panic::panic_any(a)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cpu.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             self.stream.pause();
[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] 59 |             let _ = self.stream.pause();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cpu.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             self.stream.play();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = self.stream.play();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         stream.pause();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let _ = stream.pause();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.94s
[INFO] running `Command { std: "docker" "inspect" "7b30bc6cd9e134f30a073dedb4e223cc1922f8518c01621db964ab9c67c71159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b30bc6cd9e134f30a073dedb4e223cc1922f8518c01621db964ab9c67c71159", kill_on_drop: false }`
[INFO] [stdout] 7b30bc6cd9e134f30a073dedb4e223cc1922f8518c01621db964ab9c67c71159
