[INFO] cloning repository https://github.com/adleroliveira/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adleroliveira/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadleroliveira%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadleroliveira%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b85988fa32912334a0f2b3228baea8f30ea8e62
[INFO] testing adleroliveira/chip8 against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadleroliveira%2Fchip8" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/adleroliveira/chip8
[INFO] finished tweaking git repo https://github.com/adleroliveira/chip8
[INFO] tweaked toml for git repo https://github.com/adleroliveira/chip8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/adleroliveira/chip8 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/adleroliveira/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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shader_version v0.3.0
[INFO] [stderr]   Downloaded x11-dl v2.18.0
[INFO] [stderr]   Downloaded wayland-kbd v0.13.1
[INFO] [stderr]   Downloaded piston-viewport v0.3.0
[INFO] [stderr]   Downloaded libloading v0.5.0
[INFO] [stderr]   Downloaded wayland-protocols v0.12.5
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.37.0
[INFO] [stderr]   Downloaded piston-texture v0.6.0
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded core-foundation-sys v0.5.1
[INFO] [stderr]   Downloaded core-graphics v0.13.0
[INFO] [stderr]   Downloaded read_color v1.0.0
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded gleam v0.6.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
[INFO] [stderr]   Downloaded piston v0.37.0
[INFO] [stderr]   Downloaded gif v0.10.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded rusttype v0.4.3
[INFO] [stderr]   Downloaded glutin v0.14.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.47.0
[INFO] [stderr]   Downloaded rayon v1.0.2
[INFO] [stderr]   Downloaded deflate v0.7.18
[INFO] [stderr]   Downloaded rand v0.5.4
[INFO] [stderr]   Downloaded syn v0.14.4
[INFO] [stderr]   Downloaded image v0.19.0
[INFO] [stderr]   Downloaded winit v0.12.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.26.0
[INFO] [stderr]   Downloaded wayland-client v0.12.5
[INFO] [stderr]   Downloaded cc v1.0.18
[INFO] [stderr]   Downloaded serde v1.0.70
[INFO] [stderr]   Downloaded quote v0.6.3
[INFO] [stderr]   Downloaded rayon-core v1.4.1
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded khronos_api v2.2.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.53.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.15
[INFO] [stderr]   Downloaded lzw v0.10.0
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded byteorder v1.2.3
[INFO] [stderr]   Downloaded cocoa v0.14.0
[INFO] [stderr]   Downloaded core-foundation v0.5.1
[INFO] [stderr]   Downloaded tempfile v3.0.3
[INFO] [stderr]   Downloaded xml-rs v0.7.0
[INFO] [stderr]   Downloaded wayland-window v0.13.3
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded either v1.5.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded serde_derive v1.0.70
[INFO] [stderr]   Downloaded inflate v0.4.3
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.3.1
[INFO] [stderr]   Downloaded stb_truetype v0.2.2
[INFO] [stderr]   Downloaded vecmath v0.3.1
[INFO] [stderr]   Downloaded gl v0.10.0
[INFO] [stderr]   Downloaded memmap v0.6.2
[INFO] [stderr]   Downloaded pkg-config v0.3.12
[INFO] [stderr]   Downloaded num-derive v0.2.2
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded cgl v0.2.3
[INFO] [stderr]   Downloaded gl_generator v0.9.0
[INFO] [stderr]   Downloaded wayland-scanner v0.12.5
[INFO] [stderr]   Downloaded remove_dir_all v0.5.1
[INFO] [stderr]   Downloaded token_store v0.1.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.8
[INFO] [stderr]   Downloaded interpolation v0.1.0
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded dlib v0.4.1
[INFO] [stderr]   Downloaded wayland-sys v0.12.5
[INFO] [stderr]   Downloaded ordered-float v0.5.0
[INFO] [stderr]   Downloaded piston-float v0.3.0
[INFO] [stderr]   Downloaded pistoncore-input v0.21.0
[INFO] [stderr]   Downloaded pistoncore-window v0.32.0
[INFO] [stderr]   Downloaded objc v0.2.3
[INFO] [stderr]   Downloaded lazy_static v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cb2c247acbba2ad54420e9b85f054542e355ff146c3f7770de4ad888d54584b
[INFO] running `Command { std: "docker" "start" "-a" "2cb2c247acbba2ad54420e9b85f054542e355ff146c3f7770de4ad888d54584b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cb2c247acbba2ad54420e9b85f054542e355ff146c3f7770de4ad888d54584b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb2c247acbba2ad54420e9b85f054542e355ff146c3f7770de4ad888d54584b", kill_on_drop: false }`
[INFO] [stdout] 2cb2c247acbba2ad54420e9b85f054542e355ff146c3f7770de4ad888d54584b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bcd4be72464a1c44e9d4c39a7a21bf05dcefaf096eb2baf56ac355aa39cec7c
[INFO] running `Command { std: "docker" "start" "-a" "9bcd4be72464a1c44e9d4c39a7a21bf05dcefaf096eb2baf56ac355aa39cec7c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling piston-viewport v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling token_store v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.0
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling tempfile v3.0.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling rusttype v0.4.3
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.12.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.53.0
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling pistoncore-window v0.32.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.37.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.47.0
[INFO] [stderr]    Compiling piston v0.37.0
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/debugger.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let mut cpu = self.cpu.lock().unwrap();
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9bcd4be72464a1c44e9d4c39a7a21bf05dcefaf096eb2baf56ac355aa39cec7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcd4be72464a1c44e9d4c39a7a21bf05dcefaf096eb2baf56ac355aa39cec7c", kill_on_drop: false }`
[INFO] [stdout] 9bcd4be72464a1c44e9d4c39a7a21bf05dcefaf096eb2baf56ac355aa39cec7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1594f9a002ec1ceab7c3b1bdcfd462bc30878c5cb301041d3f5a796e79861698
[INFO] running `Command { std: "docker" "start" "-a" "1594f9a002ec1ceab7c3b1bdcfd462bc30878c5cb301041d3f5a796e79861698", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/debugger.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let mut cpu = self.cpu.lock().unwrap();
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/debugger.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let mut cpu = self.cpu.lock().unwrap();
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1594f9a002ec1ceab7c3b1bdcfd462bc30878c5cb301041d3f5a796e79861698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1594f9a002ec1ceab7c3b1bdcfd462bc30878c5cb301041d3f5a796e79861698", kill_on_drop: false }`
[INFO] [stdout] 1594f9a002ec1ceab7c3b1bdcfd462bc30878c5cb301041d3f5a796e79861698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4ef8708bb59f5e2529d2ccffbf37553316646c4e5595134ffa18142227cf5d8
[INFO] running `Command { std: "docker" "start" "-a" "d4ef8708bb59f5e2529d2ccffbf37553316646c4e5595134ffa18142227cf5d8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/debugger.rs:105:25
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let mut cpu = self.cpu.lock().unwrap();
[INFO] [stderr]     |                         ----^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8` (lib) generated 1 warning (run `cargo fix --lib -p chip8` to apply 1 suggestion)
[INFO] [stderr] warning: `chip8` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chip8-a6ebe39b9cc1174d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip8-6a5943b18132c0da)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chip8
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [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" "d4ef8708bb59f5e2529d2ccffbf37553316646c4e5595134ffa18142227cf5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ef8708bb59f5e2529d2ccffbf37553316646c4e5595134ffa18142227cf5d8", kill_on_drop: false }`
[INFO] [stdout] d4ef8708bb59f5e2529d2ccffbf37553316646c4e5595134ffa18142227cf5d8