[INFO] updating cached repository jdeeny/vipchip
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jdeeny/vipchip
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jdeeny/vipchip" "work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/jdeeny/vipchip"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/jdeeny/vipchip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jdeeny/vipchip" "work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/jdeeny/vipchip"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/jdeeny/vipchip'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a653c214fce0fffae0d0f4bae273993fad73a529
[INFO] sha for GitHub repo jdeeny/vipchip: a653c214fce0fffae0d0f4bae273993fad73a529
[INFO] validating manifest of jdeeny/vipchip on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jdeeny/vipchip on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jdeeny/vipchip
[INFO] finished frobbing jdeeny/vipchip
[INFO] frobbed toml for jdeeny/vipchip written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/jdeeny/vipchip/Cargo.toml
[INFO] started frobbing jdeeny/vipchip
[INFO] finished frobbing jdeeny/vipchip
[INFO] frobbed toml for jdeeny/vipchip written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/jdeeny/vipchip/Cargo.toml
[INFO] crate jdeeny/vipchip already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/jdeeny/vipchip/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/jdeeny/rust-chip8.git`
[INFO] [stderr]     Updating git repository `https://github.com/jdeeny/drawbytes.git`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/jdeeny/rust-chip8.git`
[INFO] [stderr]     Updating git repository `https://github.com/jdeeny/drawbytes.git`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jdeeny/vipchip against master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 for pr-60932
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-1/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/jdeeny/vipchip:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c8ff27e1f04542bc471bf0f225e794f0c28751d9aebc585306c03f1333fa5084
[INFO] running `"docker" "start" "-a" "c8ff27e1f04542bc471bf0f225e794f0c28751d9aebc585306c03f1333fa5084"`
[INFO] [stderr]    Compiling sdl2-sys v0.19.0
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]    Compiling drawbytes v0.1.0 (https://github.com/jdeeny/drawbytes.git#68f41b17)
[INFO] [stderr]     Checking sdl2 v0.20.1
[INFO] [stderr]     Checking chip8 v0.2.1 (https://github.com/jdeeny/rust-chip8.git#46769a56)
[INFO] [stderr]     Checking vipchip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Config`
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 | use chip8::{Config, SimulatorTask, Simulate};
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Select': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Select': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Select::new': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Select::handle': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Handle::<'rx, T>::add': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Select::wait': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Config`
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Handle::<'rx, T>::id': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 | use chip8::{Config, SimulatorTask, Simulate};
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Handle::<'rx, T>::recv': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Select': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Select': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Select::new': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Select::handle': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Handle::<'rx, T>::add': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Select::wait': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Handle::<'rx, T>::id': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     select! {
[INFO] [stderr] 63 | | //        _ = rx_emulator.recv() => println!("emulator"),
[INFO] [stderr] 64 | |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::mpsc::Handle::<'rx, T>::recv': channel selection will be removed in a future release
[INFO] [stderr]   --> src/main.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |         v = rx_ui.recv() => println!("ui: {}", v.unwrap())
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ui_thread`
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let ui_thread = thread::spawn(move || {
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_ui_thread`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `examples`
[INFO] [stderr]  --> src/programs.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn examples() -> HashMap<&'static str, Vec<u8>> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(inclusive_range_syntax)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     simulator_task.load_program(&test_program);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/interface/mod.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         sim.set_keyboard(&key_state);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ui_thread`
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let ui_thread = thread::spawn(move || {
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_ui_thread`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `examples`
[INFO] [stderr]  --> src/programs.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn examples() -> HashMap<&'static str, Vec<u8>> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(inclusive_range_syntax)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     simulator_task.load_program(&test_program);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/interface/mod.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         sim.set_keyboard(&key_state);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `"docker" "inspect" "c8ff27e1f04542bc471bf0f225e794f0c28751d9aebc585306c03f1333fa5084"`
[INFO] running `"docker" "rm" "-f" "c8ff27e1f04542bc471bf0f225e794f0c28751d9aebc585306c03f1333fa5084"`
[INFO] [stdout] c8ff27e1f04542bc471bf0f225e794f0c28751d9aebc585306c03f1333fa5084