[INFO] cloning repository https://github.com/selassje/nes-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/selassje/nes-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselassje%2Fnes-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselassje%2Fnes-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d51f9ad292d490097913c7be5aae3d329149ddfe
[INFO] checking selassje/nes-rs against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselassje%2Fnes-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/selassje/nes-rs on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/selassje/nes-rs
[INFO] finished tweaking git repo https://github.com/selassje/nes-rs
[INFO] tweaked toml for git repo https://github.com/selassje/nes-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27534a70d91d4df39cfd4748b8bd87976c88a51fdc01078045b15fb52541509a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "27534a70d91d4df39cfd4748b8bd87976c88a51fdc01078045b15fb52541509a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27534a70d91d4df39cfd4748b8bd87976c88a51fdc01078045b15fb52541509a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27534a70d91d4df39cfd4748b8bd87976c88a51fdc01078045b15fb52541509a", kill_on_drop: false }`
[INFO] [stdout] 27534a70d91d4df39cfd4748b8bd87976c88a51fdc01078045b15fb52541509a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4773d4a7327870734bb61cfa2010b10cfcceb4ddd92601ea8429818ec831f698
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4773d4a7327870734bb61cfa2010b10cfcceb4ddd92601ea8429818ec831f698", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking nes-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DISPLAY_HEIGHT`
[INFO] [stdout]  --> src/ppu.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::screen::{DISPLAY_HEIGHT, DISPLAY_WIDTH};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DISPLAY_HEIGHT`
[INFO] [stdout]  --> src/ppu.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::screen::{DISPLAY_HEIGHT, DISPLAY_WIDTH};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `screen_tx`
[INFO] [stdout]    --> src/cpu.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         screen_tx: Sender<Screen>,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_screen_tx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_mappings`
[INFO] [stdout]   --> src/io_sdl.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let key_mappings : HashMap<Keycode, u8> = HashMap::from_iter(vec!(
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_mappings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `audio`
[INFO] [stdout]   --> src/io_sdl.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let audio = Audio::new(&sdl_context.audio().unwrap());
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_audio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys_state`
[INFO] [stdout]   --> src/io_sdl.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut keys_state : HashMap<Scancode,bool> = HashMap::from_iter(events.keyboard_state().scancodes());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keys_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `screen_tx`
[INFO] [stdout]    --> src/cpu.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         screen_tx: Sender<Screen>,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_screen_tx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/io_sdl.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut keys_state : HashMap<Scancode,bool> = HashMap::from_iter(events.keyboard_state().scancodes());
[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] [stdout] warning: unused variable: `key_mappings`
[INFO] [stdout]   --> src/io_sdl.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let key_mappings : HashMap<Keycode, u8> = HashMap::from_iter(vec!(
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_mappings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `audio`
[INFO] [stdout]   --> src/io_sdl.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let audio = Audio::new(&sdl_context.audio().unwrap());
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_audio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys_state`
[INFO] [stdout]   --> src/io_sdl.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut keys_state : HashMap<Scancode,bool> = HashMap::from_iter(events.keyboard_state().scancodes());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keys_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keyboard`
[INFO] [stdout]   --> src/cpu.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     keyboard: Keyboard,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keyboard_rx`
[INFO] [stdout]   --> src/cpu.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     keyboard_rx: Receiver<KeyEvent>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `audio_tx`
[INFO] [stdout]   --> src/cpu.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     audio_tx: Sender<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PpuMasterSlaveSelect`
[INFO] [stdout]   --> src/ppu.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     PpuMasterSlaveSelect = 0b01000000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_read_backdrop_color_from_ext_enabled`
[INFO] [stdout]   --> src/ppu.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn is_read_backdrop_color_from_ext_enabled(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GrayScale`
[INFO] [stdout]   --> src/ppu.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     GrayScale = 0b00000001,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EmphasizeRed`
[INFO] [stdout]   --> src/ppu.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     EmphasizeRed = 0b00100000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EmphasizeGreen`
[INFO] [stdout]   --> src/ppu.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     EmphasizeGreen = 0b01000000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EmphasizeBlue`
[INFO] [stdout]   --> src/ppu.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     EmphasizeBlue = 0b10000000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_key_status`
[INFO] [stdout]   --> src/io_sdl.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn set_key_status(key : Scancode, value: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `screen_rx`
[INFO] [stdout]   --> src/io_sdl.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         screen_rx   : Receiver<Screen>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keyboard_tx`
[INFO] [stdout]   --> src/io_sdl.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         keyboard_tx : Sender<KeyEvent>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `audio_rx`
[INFO] [stdout]   --> src/io_sdl.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         audio_rx    : Receiver<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KeyDown`
[INFO] [stdout]  --> src/keyboard.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     KeyDown(u8),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KeyUp`
[INFO] [stdout]  --> src/keyboard.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     KeyUp(u8),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `device`
[INFO] [stdout]   --> src/audio.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     device  : sdl2::audio::AudioDevice<SquareWave>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `beep`
[INFO] [stdout]   --> src/audio.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn beep(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PrgRAMPresent`
[INFO] [stdout]   --> src/nes_format_reader.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PrgRAMPresent       = 0b00000010,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IgnoreMirroring`
[INFO] [stdout]   --> src/nes_format_reader.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     IgnoreMirroring     = 0b00001000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VsSystem`
[INFO] [stdout]   --> src/nes_format_reader.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     VsSystem            = 0b00000001,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Flags8_15InNes2`
[INFO] [stdout]   --> src/nes_format_reader.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Flags8_15InNes2     = 0b00001100,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `HeaderFlag9`
[INFO] [stdout]   --> src/nes_format_reader.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum HeaderFlag9 {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TvSystem`
[INFO] [stdout]   --> src/nes_format_reader.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     TvSystem            = 0b00000011,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BusConflictPresent`
[INFO] [stdout]   --> src/nes_format_reader.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     BusConflictPresent  = 0b00100000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inst_rom`
[INFO] [stdout]   --> src/nes_format_reader.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     inst_rom       : PlayChoiceInstRom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data_output`
[INFO] [stdout]   --> src/nes_format_reader.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     data_output    : PlayChoiceDecryptData,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter_output`
[INFO] [stdout]   --> src/nes_format_reader.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     counter_output : PlayChoiceDecryptData
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `trainer`
[INFO] [stdout]   --> src/nes_format_reader.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     trainer         : Option::<Trainer>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `play_choice_rom`
[INFO] [stdout]   --> src/nes_format_reader.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     play_choice_rom : Option<PlayChoiceRom>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prg_ram_size`
[INFO] [stdout]   --> src/nes_format_reader.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     prg_ram_size    : u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/io_sdl.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut keys_state : HashMap<Scancode,bool> = HashMap::from_iter(events.keyboard_state().scancodes());
[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] [stdout] warning: field is never read: `keyboard`
[INFO] [stdout]   --> src/cpu.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     keyboard: Keyboard,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keyboard_rx`
[INFO] [stdout]   --> src/cpu.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     keyboard_rx: Receiver<KeyEvent>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `audio_tx`
[INFO] [stdout]   --> src/cpu.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     audio_tx: Sender<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PpuMasterSlaveSelect`
[INFO] [stdout]   --> src/ppu.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     PpuMasterSlaveSelect = 0b01000000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_read_backdrop_color_from_ext_enabled`
[INFO] [stdout]   --> src/ppu.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn is_read_backdrop_color_from_ext_enabled(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GrayScale`
[INFO] [stdout]   --> src/ppu.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     GrayScale = 0b00000001,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EmphasizeRed`
[INFO] [stdout]   --> src/ppu.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     EmphasizeRed = 0b00100000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EmphasizeGreen`
[INFO] [stdout]   --> src/ppu.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     EmphasizeGreen = 0b01000000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EmphasizeBlue`
[INFO] [stdout]   --> src/ppu.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     EmphasizeBlue = 0b10000000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_key_status`
[INFO] [stdout]   --> src/io_sdl.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn set_key_status(key : Scancode, value: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `screen_rx`
[INFO] [stdout]   --> src/io_sdl.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         screen_rx   : Receiver<Screen>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keyboard_tx`
[INFO] [stdout]   --> src/io_sdl.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         keyboard_tx : Sender<KeyEvent>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `audio_rx`
[INFO] [stdout]   --> src/io_sdl.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         audio_rx    : Receiver<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KeyDown`
[INFO] [stdout]  --> src/keyboard.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     KeyDown(u8),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KeyUp`
[INFO] [stdout]  --> src/keyboard.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     KeyUp(u8),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `device`
[INFO] [stdout]   --> src/audio.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     device  : sdl2::audio::AudioDevice<SquareWave>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `beep`
[INFO] [stdout]   --> src/audio.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn beep(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PrgRAMPresent`
[INFO] [stdout]   --> src/nes_format_reader.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PrgRAMPresent       = 0b00000010,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IgnoreMirroring`
[INFO] [stdout]   --> src/nes_format_reader.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     IgnoreMirroring     = 0b00001000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VsSystem`
[INFO] [stdout]   --> src/nes_format_reader.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     VsSystem            = 0b00000001,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Flags8_15InNes2`
[INFO] [stdout]   --> src/nes_format_reader.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Flags8_15InNes2     = 0b00001100,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `HeaderFlag9`
[INFO] [stdout]   --> src/nes_format_reader.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum HeaderFlag9 {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TvSystem`
[INFO] [stdout]   --> src/nes_format_reader.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     TvSystem            = 0b00000011,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BusConflictPresent`
[INFO] [stdout]   --> src/nes_format_reader.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     BusConflictPresent  = 0b00100000,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inst_rom`
[INFO] [stdout]   --> src/nes_format_reader.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     inst_rom       : PlayChoiceInstRom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data_output`
[INFO] [stdout]   --> src/nes_format_reader.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     data_output    : PlayChoiceDecryptData,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter_output`
[INFO] [stdout]   --> src/nes_format_reader.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     counter_output : PlayChoiceDecryptData
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `trainer`
[INFO] [stdout]   --> src/nes_format_reader.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     trainer         : Option::<Trainer>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `play_choice_rom`
[INFO] [stdout]   --> src/nes_format_reader.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     play_choice_rom : Option<PlayChoiceRom>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prg_ram_size`
[INFO] [stdout]   --> src/nes_format_reader.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     prg_ram_size    : u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.29s
[INFO] running `Command { std: "docker" "inspect" "4773d4a7327870734bb61cfa2010b10cfcceb4ddd92601ea8429818ec831f698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4773d4a7327870734bb61cfa2010b10cfcceb4ddd92601ea8429818ec831f698", kill_on_drop: false }`
[INFO] [stdout] 4773d4a7327870734bb61cfa2010b10cfcceb4ddd92601ea8429818ec831f698