[INFO] cloning repository https://github.com/CosmicBagel/chip8_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CosmicBagel/chip8_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCosmicBagel%2Fchip8_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCosmicBagel%2Fchip8_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9448887fa9bfa1d4c939bce3880912c9b91be032
[INFO] checking CosmicBagel/chip8_rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCosmicBagel%2Fchip8_rust" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CosmicBagel/chip8_rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CosmicBagel/chip8_rust
[INFO] finished tweaking git repo https://github.com/CosmicBagel/chip8_rust
[INFO] tweaked toml for git repo https://github.com/CosmicBagel/chip8_rust written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/CosmicBagel/chip8_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_enum v0.5.3
[INFO] [stderr]   Downloaded kira v0.5.3
[INFO] [stderr]   Downloaded basedrop v0.1.2
[INFO] [stderr]   Downloaded ringbuf v0.2.6
[INFO] [stderr]   Downloaded num_enum_derive v0.5.3
[INFO] [stderr]   Downloaded pixels v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac17622043f25c8c08ad91112fb11864420bebdf0e62d0c33cc7b5714ec5a704
[INFO] running `Command { std: "docker" "start" "-a" "ac17622043f25c8c08ad91112fb11864420bebdf0e62d0c33cc7b5714ec5a704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac17622043f25c8c08ad91112fb11864420bebdf0e62d0c33cc7b5714ec5a704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac17622043f25c8c08ad91112fb11864420bebdf0e62d0c33cc7b5714ec5a704", kill_on_drop: false }`
[INFO] [stdout] ac17622043f25c8c08ad91112fb11864420bebdf0e62d0c33cc7b5714ec5a704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 579fbd837ed0b4d81bb38ea8d492a883d82209a36827fdde19e2f2c5e91e6b6f
[INFO] running `Command { std: "docker" "start" "-a" "579fbd837ed0b4d81bb38ea8d492a883d82209a36827fdde19e2f2c5e91e6b6f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   cc v1.0.69 (as host dependency): jobserver, parallel
[INFO] [stderr]   getrandom v0.2.3: js, js-sys, wasm-bindgen
[INFO] [stderr]   instant v0.1.10: js-sys, wasm-bindgen, wasm-bindgen_rs, web-sys
[INFO] [stderr]   memchr v2.3.4: std, use_std
[INFO] [stderr]   naga v0.5.0: msl-out
[INFO] [stderr]   scopeguard v1.1.0: default, use_std
[INFO] [stderr]   syn v1.0.74 (as host dependency): extra-traits, full, visit
[INFO] [stderr]   uuid v0.8.2: stdweb, wasm-bindgen
[INFO] [stderr] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling drm-fourcc v2.1.1
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking inplace_it v0.3.3
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking glow v0.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking profiling v1.0.3
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]     Checking basedrop v0.1.2
[INFO] [stderr]     Checking pollster v0.2.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling wgpu-core v0.9.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking ringbuf v0.2.6
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking ash v0.32.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking wgpu-types v0.9.0
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking gfx-renderdoc v0.1.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking gpu-alloc v0.4.7
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking wide v0.6.5
[INFO] [stderr]     Checking gpu-descriptor v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]    Compiling jobserver v0.1.23
[INFO] [stderr]     Checking ultraviolet v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rose_tree v0.2.0
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking mio-misc v1.2.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking naga v0.5.0
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking kira v0.5.3
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking external-memory v0.0.1
[INFO] [stderr]     Checking gfx-hal v0.9.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.9.0
[INFO] [stderr]     Checking gfx-backend-empty v0.9.0
[INFO] [stderr]     Checking gfx-backend-gl v0.9.0
[INFO] [stderr]     Checking wgpu v0.9.0
[INFO] [stderr]     Checking pixels v0.5.0
[INFO] [stderr]     Checking chip8_rust v1.0.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stderr]        Fixed src/tests.rs (2 fixes)
[INFO] [stdout] warning: associated function is never used: `new_headless`
[INFO] [stdout]    --> src/emulator.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn new_headless() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.91s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking nom v6.2.1
[INFO] [stderr]     Checking mio-misc v1.2.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking winit v0.25.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking naga v0.5.0
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking cpal v0.13.4
[INFO] [stderr]     Checking kira v0.5.3
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking drm-fourcc v2.1.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking external-memory v0.0.1
[INFO] [stderr]     Checking gfx-hal v0.9.0
[INFO] [stderr]     Checking gfx-backend-gl v0.9.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.9.0
[INFO] [stderr]     Checking gfx-backend-empty v0.9.0
[INFO] [stderr]     Checking wgpu-core v0.9.2
[INFO] [stderr]     Checking wgpu v0.9.0
[INFO] [stderr]     Checking pixels v0.5.0
[INFO] [stderr]     Checking chip8_rust v1.0.1 (/tmp/fixit)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `InstructionResult`
[INFO] [stdout]   --> src/tests.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     assert!(result == InstructionResult::Working);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ use of undeclared type `InstructionResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `InstructionResult`
[INFO] [stdout]   --> src/tests.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert!(result == InstructionResult::Working);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ use of undeclared type `InstructionResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `InstructionResult`
[INFO] [stdout]   --> src/tests.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     assert!(result == InstructionResult::Working);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ use of undeclared type `InstructionResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `InstructionResult`
[INFO] [stdout]   --> src/tests.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     assert!(result == InstructionResult::Working);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ use of undeclared type `InstructionResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Ordering`
[INFO] [stdout]    --> src/tests.rs:329:33
[INFO] [stdout]     |
[INFO] [stdout] 329 |     emu.timer_counter.store(30, Ordering::Release);
[INFO] [stdout]     |                                 ^^^^^^^^ use of undeclared type `Ordering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Ordering`
[INFO] [stdout]    --> src/tests.rs:339:36
[INFO] [stdout]     |
[INFO] [stdout] 339 |     assert!(emu.timer_counter.load(Ordering::Acquire) == 0);
[INFO] [stdout]     |                                    ^^^^^^^^ use of undeclared type `Ordering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Ordering`
[INFO] [stdout]    --> src/tests.rs:343:36
[INFO] [stdout]     |
[INFO] [stdout] 343 |     assert!(emu.timer_counter.load(Ordering::Acquire) == 30);
[INFO] [stdout]     |                                    ^^^^^^^^ use of undeclared type `Ordering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Ordering`
[INFO] [stdout]    --> src/tests.rs:349:36
[INFO] [stdout]     |
[INFO] [stdout] 349 |     assert!(emu.sound_counter.load(Ordering::Acquire) == 0);
[INFO] [stdout]     |                                    ^^^^^^^^ use of undeclared type `Ordering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Ordering`
[INFO] [stdout]    --> src/tests.rs:353:36
[INFO] [stdout]     |
[INFO] [stdout] 353 |     assert!(emu.sound_counter.load(Ordering::Acquire) == 30);
[INFO] [stdout]     |                                    ^^^^^^^^ use of undeclared type `Ordering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]  --> src/tests.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]   |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Emulator;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]   --> src/tests.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::Emulator;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]   --> src/tests.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::Emulator;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]   --> src/tests.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::Emulator;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]   --> src/tests.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::Emulator;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]   --> src/tests.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::Emulator;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]   --> src/tests.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::Emulator;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]   --> src/tests.rs:92:19
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::Emulator;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]   --> src/tests.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::Emulator;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:116:19
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:127:19
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:136:19
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:156:19
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:166:19
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:175:19
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:196:19
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:208:19
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:217:19
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:229:19
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:238:19
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:250:19
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:259:19
[INFO] [stdout]     |
[INFO] [stdout] 259 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:271:19
[INFO] [stdout]     |
[INFO] [stdout] 271 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:278:19
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:288:19
[INFO] [stdout]     |
[INFO] [stdout] 288 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:296:19
[INFO] [stdout]     |
[INFO] [stdout] 296 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:303:19
[INFO] [stdout]     |
[INFO] [stdout] 303 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:314:19
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:320:19
[INFO] [stdout]     |
[INFO] [stdout] 320 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:328:19
[INFO] [stdout]     |
[INFO] [stdout] 328 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:338:19
[INFO] [stdout]     |
[INFO] [stdout] 338 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:348:19
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:359:19
[INFO] [stdout]     |
[INFO] [stdout] 359 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:366:19
[INFO] [stdout]     |
[INFO] [stdout] 366 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:375:19
[INFO] [stdout]     |
[INFO] [stdout] 375 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:383:19
[INFO] [stdout]     |
[INFO] [stdout] 383 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:391:19
[INFO] [stdout]     |
[INFO] [stdout] 391 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:402:19
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Emulator`
[INFO] [stdout]    --> src/tests.rs:416:19
[INFO] [stdout]     |
[INFO] [stdout] 416 |     let mut emu = Emulator::new_headless();
[INFO] [stdout]     |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use crate::Emulator;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_headless`
[INFO] [stdout]    --> src/emulator.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn new_headless() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 51 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip8_rust` due to 52 previous errors
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "579fbd837ed0b4d81bb38ea8d492a883d82209a36827fdde19e2f2c5e91e6b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "579fbd837ed0b4d81bb38ea8d492a883d82209a36827fdde19e2f2c5e91e6b6f", kill_on_drop: false }`
[INFO] [stdout] 579fbd837ed0b4d81bb38ea8d492a883d82209a36827fdde19e2f2c5e91e6b6f