[INFO] cloning repository https://github.com/anujgtm1/Chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anujgtm1/Chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanujgtm1%2FChip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanujgtm1%2FChip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2c400376120f4acce13b93c139db58588121c48
[INFO] testing anujgtm1/Chip8 against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanujgtm1%2FChip8" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anujgtm1/Chip8 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anujgtm1/Chip8
[INFO] finished tweaking git repo https://github.com/anujgtm1/Chip8
[INFO] tweaked toml for git repo https://github.com/anujgtm1/Chip8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/anujgtm1/Chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.17.4
[INFO] [stderr]   Downloaded tui v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f582da4fa2096cf22bc5e7a1d491678564b610f35df3542afd4808de6c8724e9
[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" "f582da4fa2096cf22bc5e7a1d491678564b610f35df3542afd4808de6c8724e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f582da4fa2096cf22bc5e7a1d491678564b610f35df3542afd4808de6c8724e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f582da4fa2096cf22bc5e7a1d491678564b610f35df3542afd4808de6c8724e9", kill_on_drop: false }`
[INFO] [stdout] f582da4fa2096cf22bc5e7a1d491678564b610f35df3542afd4808de6c8724e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1075ebcb08939aca68f3ff7bd8beadb851a96d6e18fd72ad7d04d3b98a6e4cf
[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" "f1075ebcb08939aca68f3ff7bd8beadb851a96d6e18fd72ad7d04d3b98a6e4cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling sdl2 v0.34.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling signal-hook v0.1.15
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossterm v0.17.4
[INFO] [stderr]    Compiling tui v0.9.4
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EnterAlternateScreen`, `Event as CEvent`, `KeyCode`, `LeaveAlternateScreen`, `disable_raw_mode`, `enable_raw_mode`, `execute`, `self`
[INFO] [stdout]  --> src/debug.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     event::{self, Event as CEvent, KeyCode},
[INFO] [stdout]   |             ^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 6 |     execute,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 7 |     terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Widget`
[INFO] [stdout]   --> src/debug.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tui::widgets::{Widget, Block, Borders};
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Constraint`, `Direction`, `Layout`
[INFO] [stdout]   --> src/debug.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tui::layout::{Layout, Constraint, Direction};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `FONT_START`
[INFO] [stdout]  --> src/memory.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | static FONT_START: u16 = 0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `FONT_SIZE`
[INFO] [stdout]  --> src/memory.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | static FONT_SIZE: u8 = 5;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Memory`
[INFO] [stdout]  --> src/memory.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Memory {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/memory.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> Memory {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mock`
[INFO] [stdout]   --> src/memory.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn mock() -> Memory {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/memory.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn read(&self, address: &u16) -> u8 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/memory.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn write(&mut self, address: &u16, data: &u8) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load_fonts`
[INFO] [stdout]   --> src/memory.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn load_fonts(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load_data`
[INFO] [stdout]   --> src/memory.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn load_data(&mut self, start_address: &u16, data: &Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_font_address`
[INFO] [stdout]   --> src/memory.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_font_address(&self, font: &u8) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_instruction`
[INFO] [stdout]   --> src/memory.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn read_instruction(&self, address: &u16) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `FONT_SET`
[INFO] [stdout]   --> src/memory.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | / static FONT_SET: [u8; 80] = [
[INFO] [stdout] 63 | |     0xF0, 0x90, 0x90, 0x90, 0xF0,  // 0
[INFO] [stdout] 64 | |     0x20, 0x60, 0x20, 0x20, 0x70,  // 1
[INFO] [stdout] 65 | |     0xF0, 0x10, 0xF0, 0x80, 0xF0,  // 2
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     0xF0, 0x80, 0xF0, 0x80, 0x80   // F
[INFO] [stdout] 79 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REGISTER_SIZE`
[INFO] [stdout]  --> src/cpu.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const REGISTER_SIZE: usize = 8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `STACK_SIZE`
[INFO] [stdout]  --> src/cpu.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const STACK_SIZE: usize = 16;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CPU`
[INFO] [stdout]  --> src/cpu.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct CPU {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(bus: Bus) -> CPU {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mock`
[INFO] [stdout]   --> src/cpu.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn mock() -> CPU {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_opcode`
[INFO] [stdout]   --> src/cpu.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn fetch_opcode(&mut self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode`
[INFO] [stdout]   --> src/cpu.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn decode(&self, opcode: u16) -> Instruction {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inc_pc`
[INFO] [stdout]   --> src/cpu.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn inc_pc(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pc`
[INFO] [stdout]   --> src/cpu.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn set_pc(&mut self, pc: &u16) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_register`
[INFO] [stdout]   --> src/cpu.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_register(&self, register: u8) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_register`
[INFO] [stdout]   --> src/cpu.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn set_register(&mut self, register: u8, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_opcode`
[INFO] [stdout]   --> src/cpu.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn execute_opcode(&mut self, ins: Instruction) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bus`
[INFO] [stdout]  --> src/bus.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Bus {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mock`
[INFO] [stdout]   --> src/bus.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn mock() -> Bus {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bus.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new() -> Bus {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `crossterm_terminal`
[INFO] [stdout]   --> src/debug.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn crossterm_terminal() -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Graphics`
[INFO] [stdout]  --> src/graphics.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Graphics {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graphics.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Graphics {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mock`
[INFO] [stdout]   --> src/graphics.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn mock() -> Graphics {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sdl_demo`
[INFO] [stdout]   --> src/graphics.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn sdl_demo() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Input`
[INFO] [stdout]  --> src/input.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Input {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/input.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new() -> Input {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mock`
[INFO] [stdout]   --> src/input.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn mock() -> Input {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Sound`
[INFO] [stdout]  --> src/sound.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Sound {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mock`
[INFO] [stdout]  --> src/sound.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn mock() -> Sound {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/sound.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> Sound {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Address`
[INFO] [stdout]  --> src/instructions.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | type Address = u16;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `HalfWord`
[INFO] [stdout]  --> src/instructions.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | type HalfWord = u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NOP`
[INFO] [stdout]  --> src/instructions.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NOP,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidInstruction`
[INFO] [stdout]  --> src/instructions.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     InvalidInstruction,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ClearDisplay`
[INFO] [stdout]  --> src/instructions.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ClearDisplay,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]   --> src/instructions.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Return,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Jump`
[INFO] [stdout]   --> src/instructions.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Jump{address: u16},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> src/instructions.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Call{address: u16},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SkipIfEqual`
[INFO] [stdout]   --> src/instructions.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SkipIfEqual{register: u8, value: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SkipIfNotEqual`
[INFO] [stdout]   --> src/instructions.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     SkipIfNotEqual{register: u8, value: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SkipIfRegistersEqual`
[INFO] [stdout]   --> src/instructions.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     SkipIfRegistersEqual{register_1: u8, register_2: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoadRegister`
[INFO] [stdout]   --> src/instructions.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     LoadRegister{register: u8, value: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AddToRegister`
[INFO] [stdout]   --> src/instructions.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     AddToRegister{register: u8, value: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetRegisterToRegister`
[INFO] [stdout]   --> src/instructions.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     SetRegisterToRegister{destination_register: u8, source_register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OrRegisterToRegister`
[INFO] [stdout]   --> src/instructions.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     OrRegisterToRegister{destination_register: u8, source_register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AndRegisterToRegister`
[INFO] [stdout]   --> src/instructions.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     AndRegisterToRegister{destination_register: u8, source_register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `XorRegisterToRegister`
[INFO] [stdout]   --> src/instructions.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     XorRegisterToRegister{destination_register: u8, source_register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AddRegisterToRegister`
[INFO] [stdout]   --> src/instructions.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     AddRegisterToRegister{destination_register: u8, source_register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubtractRegisterFromRegister`
[INFO] [stdout]   --> src/instructions.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     SubtractRegisterFromRegister{destination_register: u8, source_register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ShiftRight`
[INFO] [stdout]   --> src/instructions.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     ShiftRight{destination_register: u8, source_register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubtractIntoDifferentRegister`
[INFO] [stdout]   --> src/instructions.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     SubtractIntoDifferentRegister{source_register: u8, destination_register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ShiftLeft`
[INFO] [stdout]   --> src/instructions.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     ShiftLeft{destination_register: u8, source_register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SkipIfRegistersNotEqual`
[INFO] [stdout]   --> src/instructions.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     SkipIfRegistersNotEqual{register_1: u8, register_2: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetAddressRegister`
[INFO] [stdout]   --> src/instructions.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     SetAddressRegister{value: u16},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpToLocationAndOffset0`
[INFO] [stdout]   --> src/instructions.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     JumpToLocationAndOffset0{address: u16},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GenerateRandomData`
[INFO] [stdout]   --> src/instructions.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     GenerateRandomData{register: u8, value: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DisplaySpriteAtLocation`
[INFO] [stdout]   --> src/instructions.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     DisplaySpriteAtLocation{x: u8, y: u8, n: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SkipIfPressedKeyEqualToRegister`
[INFO] [stdout]   --> src/instructions.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     SkipIfPressedKeyEqualToRegister{register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DontSkipIfPressedKeyEqualToRegister`
[INFO] [stdout]   --> src/instructions.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     DontSkipIfPressedKeyEqualToRegister{register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetRegisterToDelayTimer`
[INFO] [stdout]   --> src/instructions.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     SetRegisterToDelayTimer{register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WaitForKeyPressAndStoreValue`
[INFO] [stdout]   --> src/instructions.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     WaitForKeyPressAndStoreValue{register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetDelayTimerToRegister`
[INFO] [stdout]   --> src/instructions.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     SetDelayTimerToRegister{register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetSoundTimerToRegister`
[INFO] [stdout]   --> src/instructions.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     SetSoundTimerToRegister{register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AddRegisterToRegisterI`
[INFO] [stdout]   --> src/instructions.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     AddRegisterToRegisterI{register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetIToFontAddress`
[INFO] [stdout]   --> src/instructions.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     SetIToFontAddress{digit: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StoreBCDValueOfRegisterToI`
[INFO] [stdout]   --> src/instructions.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     StoreBCDValueOfRegisterToI{register: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StoreNRegistersToMemory`
[INFO] [stdout]   --> src/instructions.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     StoreNRegistersToMemory{n: u8},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReadNRegistersFromMemory`
[INFO] [stdout]   --> src/instructions.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     ReadNRegistersFromMemory{n: u8}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_first_nibble`
[INFO] [stdout]   --> src/instructions.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn get_first_nibble(value: &u16) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_second_nibble`
[INFO] [stdout]   --> src/instructions.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_second_nibble(value: &u16) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_third_nibble`
[INFO] [stdout]   --> src/instructions.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn get_third_nibble(value: &u16) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_last_nibble`
[INFO] [stdout]   --> src/instructions.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn get_last_nibble(value: &u16) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_last_byte`
[INFO] [stdout]   --> src/instructions.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn get_last_byte(value: &u16) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_first_byte`
[INFO] [stdout]   --> src/instructions.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn get_first_byte(value: &u16) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_last_3_nibbles`
[INFO] [stdout]   --> src/instructions.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn get_last_3_nibbles(value: &u16) -> u16 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_opcode`
[INFO] [stdout]   --> src/instructions.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn fetch_opcode(word: &u16) -> Instruction {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `I` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub I : u16,                        // Special register used to store addresses
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VF` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub VF: u8,                        // Flag Register
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case (notice the capitalization): `vf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PC` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub PC: u16,                        // Program Counter
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SP` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub SP: usize,                         // Stack Pointer
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `sp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DT` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub DT: u8,                         // Delay Timer (Automatically decremented at a rate of 60Hz if set)
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `ST` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub ST: u8,                         // Sound Timer (Automatically decremented at a rate of 60Hz if set) Buzzer will soudn if ST > 0
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `st`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.51s
[INFO] [stdout] warning: 94 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f1075ebcb08939aca68f3ff7bd8beadb851a96d6e18fd72ad7d04d3b98a6e4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1075ebcb08939aca68f3ff7bd8beadb851a96d6e18fd72ad7d04d3b98a6e4cf", kill_on_drop: false }`
[INFO] [stdout] f1075ebcb08939aca68f3ff7bd8beadb851a96d6e18fd72ad7d04d3b98a6e4cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a93adb66fc04fa5d71ba19809f217035c5229ada9e00c184bea38c727ebb7d8c
[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" "a93adb66fc04fa5d71ba19809f217035c5229ada9e00c184bea38c727ebb7d8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EnterAlternateScreen`, `Event as CEvent`, `KeyCode`, `LeaveAlternateScreen`, `disable_raw_mode`, `enable_raw_mode`, `execute`, `self`
[INFO] [stdout]  --> src/debug.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     event::{self, Event as CEvent, KeyCode},
[INFO] [stdout]   |             ^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 6 |     execute,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 7 |     terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Widget`
[INFO] [stdout]   --> src/debug.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tui::widgets::{Widget, Block, Borders};
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Constraint`, `Direction`, `Layout`
[INFO] [stdout]   --> src/debug.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tui::layout::{Layout, Constraint, Direction};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bus.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new() -> Bus {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `crossterm_terminal`
[INFO] [stdout]   --> src/debug.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn crossterm_terminal() -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graphics.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Graphics {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sdl_demo`
[INFO] [stdout]   --> src/graphics.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn sdl_demo() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/input.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new() -> Input {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/sound.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> Sound {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Address`
[INFO] [stdout]  --> src/instructions.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | type Address = u16;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `HalfWord`
[INFO] [stdout]  --> src/instructions.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | type HalfWord = u8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_first_byte`
[INFO] [stdout]   --> src/instructions.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn get_first_byte(value: &u16) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `I` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub I : u16,                        // Special register used to store addresses
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VF` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub VF: u8,                        // Flag Register
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case (notice the capitalization): `vf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PC` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub PC: u16,                        // Program Counter
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SP` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub SP: usize,                         // Stack Pointer
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `sp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DT` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub DT: u8,                         // Delay Timer (Automatically decremented at a rate of 60Hz if set)
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `ST` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub ST: u8,                         // Sound Timer (Automatically decremented at a rate of 60Hz if set) Buzzer will soudn if ST > 0
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `st`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "a93adb66fc04fa5d71ba19809f217035c5229ada9e00c184bea38c727ebb7d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93adb66fc04fa5d71ba19809f217035c5229ada9e00c184bea38c727ebb7d8c", kill_on_drop: false }`
[INFO] [stdout] a93adb66fc04fa5d71ba19809f217035c5229ada9e00c184bea38c727ebb7d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 348bf346e11fd809ad3908cfc85f457f4c5aba47c691d1e3d3d8224ea2f4dd72
[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" "348bf346e11fd809ad3908cfc85f457f4c5aba47c691d1e3d3d8224ea2f4dd72", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::Error`
[INFO] [stderr]  --> src/cpu.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EnterAlternateScreen`, `Event as CEvent`, `KeyCode`, `LeaveAlternateScreen`, `disable_raw_mode`, `enable_raw_mode`, `execute`, `self`
[INFO] [stderr]  --> src/debug.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     event::{self, Event as CEvent, KeyCode},
[INFO] [stderr]   |             ^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 6 |     execute,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 7 |     terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Widget`
[INFO] [stderr]   --> src/debug.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tui::widgets::{Widget, Block, Borders};
[INFO] [stderr]    |                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Constraint`, `Direction`, `Layout`
[INFO] [stderr]   --> src/debug.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tui::layout::{Layout, Constraint, Direction};
[INFO] [stderr]    |                   ^^^^^^  ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bus.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new() -> Bus {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `crossterm_terminal`
[INFO] [stderr]   --> src/debug.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn crossterm_terminal() -> Result<(), Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/graphics.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new() -> Graphics {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sdl_demo`
[INFO] [stderr]   --> src/graphics.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn sdl_demo() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/input.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn new() -> Input {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/sound.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new() -> Sound {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Address`
[INFO] [stderr]  --> src/instructions.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | type Address = u16;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `HalfWord`
[INFO] [stderr]  --> src/instructions.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | type HalfWord = u8;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_first_byte`
[INFO] [stderr]   --> src/instructions.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn get_first_byte(value: &u16) -> u8 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `I` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub I : u16,                        // Special register used to store addresses
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VF` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub VF: u8,                        // Flag Register
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case (notice the capitalization): `vf`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `PC` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub PC: u16,                        // Program Counter
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case: `pc`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `SP` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub SP: usize,                         // Stack Pointer
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case: `sp`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `DT` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub DT: u8,                         // Delay Timer (Automatically decremented at a rate of 60Hz if set)
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case: `dt`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ST` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub ST: u8,                         // Sound Timer (Automatically decremented at a rate of 60Hz if set) Buzzer will soudn if ST > 0
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case: `st`
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8-5080e77bce8fd832
[INFO] [stdout] 
[INFO] [stdout] running 66 tests
[INFO] [stdout] test cpu::test::test_add_reg_reg ... ok
[INFO] [stdout] test cpu::test::test_add_to_register ... ok
[INFO] [stdout] test cpu::test::test_and_reg_reg ... ok
[INFO] [stdout] test cpu::test::test_fetch_decode ... ok
[INFO] [stdout] test cpu::test::test_fetch_opcode ... ok
[INFO] [stdout] test cpu::test::test_load_register ... ok
[INFO] [stdout] test cpu::test::test_jump ... ok
[INFO] [stdout] test cpu::test::test_set_address_register ... ok
[INFO] [stdout] test cpu::test::test_nop ... ok
[INFO] [stdout] test cpu::test::test_jump_to_location_and_offset ... ok
[INFO] [stdout] test cpu::test::test_return ... ok
[INFO] [stdout] test cpu::test::test_skip_if_not_equal ... ok
[INFO] [stdout] test cpu::test::test_skip_if_registers_not_equal ... ok
[INFO] [stdout] test cpu::test::test_shr ... ok
[INFO] [stdout] test cpu::test::test_shl ... ok
[INFO] [stdout] test cpu::test::test_or_reg_reg ... ok
[INFO] [stdout] test cpu::test::test_skip_if_registers_equal ... ok
[INFO] [stdout] test instructions::test::test_add_register_register ... ok
[INFO] [stdout] test instructions::test::test_add_register_to_i ... ok
[INFO] [stdout] test instructions::test::test_and_register ... ok
[INFO] [stdout] test cpu::test::test_skip_invalid_instruction ... ok
[INFO] [stdout] test cpu::test::test_skip_if_equal ... ok
[INFO] [stdout] test cpu::test::test_call ... ok
[INFO] [stdout] test instructions::test::test_add_register ... ok
[INFO] [stdout] test cpu::test::test_sub_reg_reg_inv ... ok
[INFO] [stdout] test cpu::test::test_set_reg_to_reg ... ok
[INFO] [stdout] test instructions::test::test_draw_sprite ... ok
[INFO] [stdout] test instructions::test::test_call ... ok
[INFO] [stdout] test instructions::test::test_random_byte ... ok
[INFO] [stdout] test instructions::test::test_fetch_clear_display ... ok
[INFO] [stdout] test instructions::test::test_return ... ok
[INFO] [stdout] test instructions::test::test_get_font_value ... ok
[INFO] [stdout] test instructions::test::test_invalid_instruction ... ok
[INFO] [stdout] test instructions::test::test_jump_to_location_offset ... ok
[INFO] [stdout] test instructions::test::test_load_dt_to_register ... ok
[INFO] [stdout] test instructions::test::test_load_register ... ok
[INFO] [stdout] test instructions::test::test_nop ... ok
[INFO] [stdout] test instructions::test::test_get_nibble ... ok
[INFO] [stdout] test instructions::test::test_jump_to_location ... ok
[INFO] [stdout] test instructions::test::test_load_n_registers ... ok
[INFO] [stdout] test instructions::test::test_set_address_register ... ok
[INFO] [stdout] test instructions::test::test_set_st_to_register ... ok
[INFO] [stdout] test instructions::test::test_shl ... ok
[INFO] [stdout] test instructions::test::test_set_dt_to_register ... ok
[INFO] [stdout] test instructions::test::test_load_register_to_register ... ok
[INFO] [stdout] test instructions::test::test_skip_if_not_equal ... ok
[INFO] [stdout] test cpu::test::test_sub_reg_reg ... ok
[INFO] [stdout] test cpu::test::test_xor_reg_reg ... ok
[INFO] [stdout] test instructions::test::test_shr ... ok
[INFO] [stdout] test instructions::test::test_or_register ... ok
[INFO] [stdout] test instructions::test::test_skip_if_equal ... ok
[INFO] [stdout] test instructions::test::test_skip_if_key_value_match ... ok
[INFO] [stdout] test instructions::test::test_wait_for_key_press ... ok
[INFO] [stdout] test instructions::test::test_store_n_registers ... ok
[INFO] [stdout] test memory::test::test_write_read_write ... ok
[INFO] [stdout] test instructions::test::test_xor_register ... ok
[INFO] [stdout] test memory::test::test_font_load ... ok
[INFO] [stdout] test instructions::test::test_skip_if_not_key_value_match ... ok
[INFO] [stdout] test instructions::test::test_skip_if_register_equal ... ok
[INFO] [stdout] test instructions::test::test_skip_if_register_not_equal ... ok
[INFO] [stdout] test instructions::test::test_store_bcd_to_i ... ok
[INFO] [stdout] test instructions::test::test_sub_register_register ... ok
[INFO] [stdout] test instructions::test::test_sub_register_register_inverse ... ok
[INFO] [stdout] test memory::test::test_font_address ... ok
[INFO] [stdout] test memory::test::test_load_data ... ok
[INFO] [stdout] test memory::test::test_read_instruction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 66 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "348bf346e11fd809ad3908cfc85f457f4c5aba47c691d1e3d3d8224ea2f4dd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "348bf346e11fd809ad3908cfc85f457f4c5aba47c691d1e3d3d8224ea2f4dd72", kill_on_drop: false }`
[INFO] [stdout] 348bf346e11fd809ad3908cfc85f457f4c5aba47c691d1e3d3d8224ea2f4dd72
