[INFO] cloning repository https://github.com/LeToni/rusty_chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeToni/rusty_chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeToni%2Frusty_chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeToni%2Frusty_chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2133d9c4cd82c5a501729fa3bff8f9387572a829
[INFO] checking LeToni/rusty_chip8 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeToni%2Frusty_chip8" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeToni/rusty_chip8 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LeToni/rusty_chip8
[INFO] finished tweaking git repo https://github.com/LeToni/rusty_chip8
[INFO] tweaked toml for git repo https://github.com/LeToni/rusty_chip8 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/LeToni/rusty_chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96fc7db0fd84e161ad6ef4f7766824265f3c8ed342c15312b1cfc4f432e48716
[INFO] running `Command { std: "docker" "start" "-a" "96fc7db0fd84e161ad6ef4f7766824265f3c8ed342c15312b1cfc4f432e48716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96fc7db0fd84e161ad6ef4f7766824265f3c8ed342c15312b1cfc4f432e48716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fc7db0fd84e161ad6ef4f7766824265f3c8ed342c15312b1cfc4f432e48716", kill_on_drop: false }`
[INFO] [stdout] 96fc7db0fd84e161ad6ef4f7766824265f3c8ed342c15312b1cfc4f432e48716
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d64f89e71d262927e238fc8b291b4e6029e0d7648a51a2a38de91ab72b5c204a
[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" "d64f89e71d262927e238fc8b291b4e6029e0d7648a51a2a38de91ab72b5c204a", kill_on_drop: false }`
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cpu`
[INFO] [stdout]  --> src/chip8.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     cpu: CPU,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `general_registers`
[INFO] [stdout]  --> src/cpu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     general_registers: [u8; NUM_GENERAL_PURPOSE_REGISTERS],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sound_register`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sound_register: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timer_register`
[INFO] [stdout]  --> src/cpu.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     timer_register: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `program_counter`
[INFO] [stdout]  --> src/cpu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     program_counter: u16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack_pointer`
[INFO] [stdout]   --> src/cpu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     stack_pointer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]   --> src/cpu.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     stack: [u16; STACK_SIZE],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DISPLAY_WIDTH`
[INFO] [stdout]  --> src/display.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | const DISPLAY_WIDTH: usize = 64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DISPLAY_HEIGHT`
[INFO] [stdout]  --> src/display.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | const DISPLAY_HEIGHT: usize = 32;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Buffer`
[INFO] [stdout]  --> src/display.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Buffer = [bool; DISPLAY_WIDTH * DISPLAY_HEIGHT];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Display`
[INFO] [stdout]  --> src/display.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Display {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/display.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> Display {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadVxVy`
[INFO] [stdout]   --> src/instruction.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     LoadVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OrVxVy`
[INFO] [stdout]   --> src/instruction.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     OrVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AndVxVy`
[INFO] [stdout]   --> src/instruction.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     AndVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Xor`
[INFO] [stdout]   --> src/instruction.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Xor(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AddVxVy`
[INFO] [stdout]   --> src/instruction.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     AddVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RShiftVx`
[INFO] [stdout]   --> src/instruction.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     RShiftVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubnVxVy`
[INFO] [stdout]   --> src/instruction.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     SubnVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LShiftVx`
[INFO] [stdout]   --> src/instruction.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LShiftVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SkipNEqVxVy`
[INFO] [stdout]   --> src/instruction.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     SkipNEqVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadI`
[INFO] [stdout]   --> src/instruction.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     LoadI(u8),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpV0`
[INFO] [stdout]   --> src/instruction.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     JumpV0(u8),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RndVxByte`
[INFO] [stdout]   --> src/instruction.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     RndVxByte(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Draw`
[INFO] [stdout]   --> src/instruction.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Draw(u8, u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SkipVx`
[INFO] [stdout]   --> src/instruction.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     SkipVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadVxTimer`
[INFO] [stdout]   --> src/instruction.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     LoadVxTimer(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadVxKey`
[INFO] [stdout]   --> src/instruction.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     LoadVxKey(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadTimerVx`
[INFO] [stdout]   --> src/instruction.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     LoadTimerVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadSoundVx`
[INFO] [stdout]   --> src/instruction.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LoadSoundVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AddI`
[INFO] [stdout]   --> src/instruction.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     AddI(u8),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadFVx`
[INFO] [stdout]   --> src/instruction.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     LoadFVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadBVx`
[INFO] [stdout]   --> src/instruction.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     LoadBVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StoreIVx`
[INFO] [stdout]   --> src/instruction.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     StoreIVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadIVx`
[INFO] [stdout]   --> src/instruction.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     LoadIVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ooox`
[INFO] [stdout]   --> src/instruction.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn ooox(opcode: u16) -> u8 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_byte`
[INFO] [stdout]   --> src/ram.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn write_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_byte`
[INFO] [stdout]   --> src/ram.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn read_byte(&self, address: u16) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cpu`
[INFO] [stdout]  --> src/chip8.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     cpu: CPU,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `general_registers`
[INFO] [stdout]  --> src/cpu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     general_registers: [u8; NUM_GENERAL_PURPOSE_REGISTERS],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sound_register`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sound_register: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timer_register`
[INFO] [stdout]  --> src/cpu.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     timer_register: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `program_counter`
[INFO] [stdout]  --> src/cpu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     program_counter: u16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack_pointer`
[INFO] [stdout]   --> src/cpu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     stack_pointer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]   --> src/cpu.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     stack: [u16; STACK_SIZE],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DISPLAY_WIDTH`
[INFO] [stdout]  --> src/display.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | const DISPLAY_WIDTH: usize = 64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DISPLAY_HEIGHT`
[INFO] [stdout]  --> src/display.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | const DISPLAY_HEIGHT: usize = 32;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Buffer`
[INFO] [stdout]  --> src/display.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Buffer = [bool; DISPLAY_WIDTH * DISPLAY_HEIGHT];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Display`
[INFO] [stdout]  --> src/display.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Display {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/display.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> Display {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadVxVy`
[INFO] [stdout]   --> src/instruction.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     LoadVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OrVxVy`
[INFO] [stdout]   --> src/instruction.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     OrVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AndVxVy`
[INFO] [stdout]   --> src/instruction.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     AndVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Xor`
[INFO] [stdout]   --> src/instruction.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Xor(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AddVxVy`
[INFO] [stdout]   --> src/instruction.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     AddVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RShiftVx`
[INFO] [stdout]   --> src/instruction.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     RShiftVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubnVxVy`
[INFO] [stdout]   --> src/instruction.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     SubnVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LShiftVx`
[INFO] [stdout]   --> src/instruction.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LShiftVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SkipNEqVxVy`
[INFO] [stdout]   --> src/instruction.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     SkipNEqVxVy(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadI`
[INFO] [stdout]   --> src/instruction.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     LoadI(u8),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpV0`
[INFO] [stdout]   --> src/instruction.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     JumpV0(u8),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RndVxByte`
[INFO] [stdout]   --> src/instruction.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     RndVxByte(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Draw`
[INFO] [stdout]   --> src/instruction.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Draw(u8, u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SkipVx`
[INFO] [stdout]   --> src/instruction.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     SkipVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadVxTimer`
[INFO] [stdout]   --> src/instruction.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     LoadVxTimer(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadVxKey`
[INFO] [stdout]   --> src/instruction.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     LoadVxKey(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadTimerVx`
[INFO] [stdout]   --> src/instruction.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     LoadTimerVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadSoundVx`
[INFO] [stdout]   --> src/instruction.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LoadSoundVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AddI`
[INFO] [stdout]   --> src/instruction.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     AddI(u8),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadFVx`
[INFO] [stdout]   --> src/instruction.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     LoadFVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadBVx`
[INFO] [stdout]   --> src/instruction.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     LoadBVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StoreIVx`
[INFO] [stdout]   --> src/instruction.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     StoreIVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadIVx`
[INFO] [stdout]   --> src/instruction.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     LoadIVx(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ooox`
[INFO] [stdout]   --> src/instruction.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn ooox(opcode: u16) -> u8 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_byte`
[INFO] [stdout]   --> src/ram.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn write_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_byte`
[INFO] [stdout]   --> src/ram.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn read_byte(&self, address: u16) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "d64f89e71d262927e238fc8b291b4e6029e0d7648a51a2a38de91ab72b5c204a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64f89e71d262927e238fc8b291b4e6029e0d7648a51a2a38de91ab72b5c204a", kill_on_drop: false }`
[INFO] [stdout] d64f89e71d262927e238fc8b291b4e6029e0d7648a51a2a38de91ab72b5c204a