[INFO] cloning repository https://github.com/geckobra/rs-Chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geckobra/rs-Chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeckobra%2Frs-Chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeckobra%2Frs-Chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7533ae5979b9ffe8ef3dd7d5b550db159667f18b
[INFO] testing geckobra/rs-Chip8 against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeckobra%2Frs-Chip8" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/geckobra/rs-Chip8
[INFO] finished tweaking git repo https://github.com/geckobra/rs-Chip8
[INFO] tweaked toml for git repo https://github.com/geckobra/rs-Chip8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/geckobra/rs-Chip8 on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/geckobra/rs-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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.2.30
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[INFO] [stderr]   Downloaded claxon v0.4.3
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[INFO] [stderr]   Downloaded gilrs v0.10.10
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54fbb622dd5f0dc08b6fe1dcd26bca56e7b5ffe5aeb647bccee477b21d6a53a5
[INFO] running `Command { std: "docker" "start" "-a" "54fbb622dd5f0dc08b6fe1dcd26bca56e7b5ffe5aeb647bccee477b21d6a53a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54fbb622dd5f0dc08b6fe1dcd26bca56e7b5ffe5aeb647bccee477b21d6a53a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54fbb622dd5f0dc08b6fe1dcd26bca56e7b5ffe5aeb647bccee477b21d6a53a5", kill_on_drop: false }`
[INFO] [stdout] 54fbb622dd5f0dc08b6fe1dcd26bca56e7b5ffe5aeb647bccee477b21d6a53a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3bfd337ec3d264a51bab858434dd99286e55a312f91de5baf4086eae55cef02
[INFO] running `Command { std: "docker" "start" "-a" "d3bfd337ec3d264a51bab858434dd99286e55a312f91de5baf4086eae55cef02", kill_on_drop: false }`
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[INFO] [stderr]    Compiling crevice v0.13.0
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[INFO] [stderr]    Compiling cargo-platform v0.1.9
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[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling zstd v0.11.2+zstd.1.5.2
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[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling ggez v0.9.3
[INFO] [stderr]    Compiling wgpu-hal v0.16.2
[INFO] [stderr]    Compiling wgpu-core v0.16.1
[INFO] [stderr]    Compiling wgpu v0.16.3
[INFO] [stderr]    Compiling sctk-adwaita v0.5.4
[INFO] [stderr]    Compiling rs-Chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Duration` and `Instant`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, Instant};
[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 imports: `KeyInput` and `KeyMods`
[INFO] [stdout]   --> src/main.rs:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 | use ggez::input::keyboard::{KeyCode, KeyMods, KeyInput};
[INFO] [stdout]    |                                      ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ggez::graphics::draw`: Use `drawable.draw` or `canvas.draw` instead.
[INFO] [stdout]    --> src/main.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |         graphics::draw(&mut canvas, &self.display_mesh, graphics::DrawParam::default());
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> src/cpu.rs:176:37
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 let mut rng = rand::thread_rng();
[INFO] [stdout]     |                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/cpu.rs:177:44
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 let random_value: u8 = rng.gen_range(0..=255);
[INFO] [stdout]     |                                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         for i in 0..10{
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 self.beep_sound.play(ctx);
[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] 113 |                 let _ = self.beep_sound.play(ctx);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 self.beep_sound.stop(ctx);
[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] 116 |                 let _ = self.beep_sound.stop(ctx);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_ROM` should have a snake case name
[INFO] [stdout]    --> src/main.rs:137:4
[INFO] [stdout]     |
[INFO] [stdout] 137 | fn load_ROM(rom_name: &str, chip8: &mut cpu::Device){
[INFO] [stdout]     |    ^^^^^^^^ help: convert the identifier to snake case: `load_rom`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "d3bfd337ec3d264a51bab858434dd99286e55a312f91de5baf4086eae55cef02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3bfd337ec3d264a51bab858434dd99286e55a312f91de5baf4086eae55cef02", kill_on_drop: false }`
[INFO] [stdout] d3bfd337ec3d264a51bab858434dd99286e55a312f91de5baf4086eae55cef02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f681cd04ef1d312c4deed70a96c17669c8e51266d2fed44e8e8e429f935395f7
[INFO] running `Command { std: "docker" "start" "-a" "f681cd04ef1d312c4deed70a96c17669c8e51266d2fed44e8e8e429f935395f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-Chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Duration` and `Instant`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, Instant};
[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 imports: `KeyInput` and `KeyMods`
[INFO] [stdout]   --> src/main.rs:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 | use ggez::input::keyboard::{KeyCode, KeyMods, KeyInput};
[INFO] [stdout]    |                                      ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ggez::graphics::draw`: Use `drawable.draw` or `canvas.draw` instead.
[INFO] [stdout]    --> src/main.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |         graphics::draw(&mut canvas, &self.display_mesh, graphics::DrawParam::default());
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> src/cpu.rs:176:37
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 let mut rng = rand::thread_rng();
[INFO] [stdout]     |                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/cpu.rs:177:44
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 let random_value: u8 = rng.gen_range(0..=255);
[INFO] [stdout]     |                                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         for i in 0..10{
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 self.beep_sound.play(ctx);
[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] 113 |                 let _ = self.beep_sound.play(ctx);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 self.beep_sound.stop(ctx);
[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] 116 |                 let _ = self.beep_sound.stop(ctx);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_ROM` should have a snake case name
[INFO] [stdout]    --> src/main.rs:137:4
[INFO] [stdout]     |
[INFO] [stdout] 137 | fn load_ROM(rom_name: &str, chip8: &mut cpu::Device){
[INFO] [stdout]     |    ^^^^^^^^ help: convert the identifier to snake case: `load_rom`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "f681cd04ef1d312c4deed70a96c17669c8e51266d2fed44e8e8e429f935395f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f681cd04ef1d312c4deed70a96c17669c8e51266d2fed44e8e8e429f935395f7", kill_on_drop: false }`
[INFO] [stdout] f681cd04ef1d312c4deed70a96c17669c8e51266d2fed44e8e8e429f935395f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8feb3a9622f2a2b02a148478a6c26d17cd69d3c58ea88a15544e5114a716e645
[INFO] running `Command { std: "docker" "start" "-a" "8feb3a9622f2a2b02a148478a6c26d17cd69d3c58ea88a15544e5114a716e645", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Duration` and `Instant`
[INFO] [stderr]  --> src/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `KeyInput` and `KeyMods`
[INFO] [stderr]   --> src/main.rs:12:38
[INFO] [stderr]    |
[INFO] [stderr] 12 | use ggez::input::keyboard::{KeyCode, KeyMods, KeyInput};
[INFO] [stderr]    |                                      ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `ggez::graphics::draw`: Use `drawable.draw` or `canvas.draw` instead.
[INFO] [stderr]    --> src/main.rs:131:19
[INFO] [stderr]     |
[INFO] [stderr] 131 |         graphics::draw(&mut canvas, &self.display_mesh, graphics::DrawParam::default());
[INFO] [stderr]     |                   ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]    --> src/cpu.rs:176:37
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 let mut rng = rand::thread_rng();
[INFO] [stderr]     |                                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> src/cpu.rs:177:44
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 let random_value: u8 = rng.gen_range(0..=255);
[INFO] [stderr]     |                                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |         for i in 0..10{
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 self.beep_sound.play(ctx);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 let _ = self.beep_sound.play(ctx);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 self.beep_sound.stop(ctx);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 let _ = self.beep_sound.stop(ctx);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: function `load_ROM` should have a snake case name
[INFO] [stderr]    --> src/main.rs:137:4
[INFO] [stderr]     |
[INFO] [stderr] 137 | fn load_ROM(rom_name: &str, chip8: &mut cpu::Device){
[INFO] [stderr]     |    ^^^^^^^^ help: convert the identifier to snake case: `load_rom`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-Chip8` (bin "rs-Chip8" test) generated 9 warnings (run `cargo fix --bin "rs-Chip8" -p rs-Chip8 --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rs_Chip8-3631e6b73ed3f145)
[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" "8feb3a9622f2a2b02a148478a6c26d17cd69d3c58ea88a15544e5114a716e645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8feb3a9622f2a2b02a148478a6c26d17cd69d3c58ea88a15544e5114a716e645", kill_on_drop: false }`
[INFO] [stdout] 8feb3a9622f2a2b02a148478a6c26d17cd69d3c58ea88a15544e5114a716e645
