[INFO] cloning repository https://github.com/Kangonaut/chip-8-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kangonaut/chip-8-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKangonaut%2Fchip-8-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKangonaut%2Fchip-8-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fa4a90de648782fdbed21fc83df87c6e1d10e3b
[INFO] checking Kangonaut/chip-8-emulator against try#5f6abd89da253a562ad85d235b9342a3ac336c28 for pr-156114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKangonaut%2Fchip-8-emulator" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kangonaut/chip-8-emulator
[INFO] finished tweaking git repo https://github.com/Kangonaut/chip-8-emulator
[INFO] tweaked toml for git repo https://github.com/Kangonaut/chip-8-emulator written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kangonaut/chip-8-emulator on toolchain 5f6abd89da253a562ad85d235b9342a3ac336c28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kangonaut/chip-8-emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Kangonaut/chip-8-emulator against try#5f6abd89da253a562ad85d235b9342a3ac336c28 for pr-156114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKangonaut%2Fchip-8-emulator" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kangonaut/chip-8-emulator
[INFO] finished tweaking git repo https://github.com/Kangonaut/chip-8-emulator
[INFO] tweaked toml for git repo https://github.com/Kangonaut/chip-8-emulator written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kangonaut/chip-8-emulator on toolchain 5f6abd89da253a562ad85d235b9342a3ac336c28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kangonaut/chip-8-emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded confy v0.4.0
[INFO] [stderr]   Downloaded version-compare v0.1.0
[INFO] [stderr]   Downloaded sdl2 v0.35.2
[INFO] [stderr]   Downloaded sdl2-sys v0.35.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ffedef1c3258e7914503315d4a8677f944bcf26c2394e604dc3abdf0caaabc8
[INFO] running `Command { std: "docker" "start" "-a" "0ffedef1c3258e7914503315d4a8677f944bcf26c2394e604dc3abdf0caaabc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ffedef1c3258e7914503315d4a8677f944bcf26c2394e604dc3abdf0caaabc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffedef1c3258e7914503315d4a8677f944bcf26c2394e604dc3abdf0caaabc8", kill_on_drop: false }`
[INFO] [stdout] 0ffedef1c3258e7914503315d4a8677f944bcf26c2394e604dc3abdf0caaabc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7dc9c387e7b830234b603d3dc8289a8792f31988afb311c734edb0dbced3e02
[INFO] running `Command { std: "docker" "start" "-a" "e7dc9c387e7b830234b603d3dc8289a8792f31988afb311c734edb0dbced3e02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking directories v2.0.2
[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]    Compiling serde_derive v1.0.142
[INFO] [stderr]     Checking serde v1.0.142
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]     Checking chip-8-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]  --> src/screen.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 |     frame_buffer: [[bool; (WIDTH as usize)]; (HEIGHT as usize)],
[INFO] [stdout]   |                                              ^               ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     frame_buffer: [[bool; (WIDTH as usize)]; (HEIGHT as usize)],
[INFO] [stdout] 6 +     frame_buffer: [[bool; (WIDTH as usize)]; HEIGHT as usize ],
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]  --> src/screen.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     frame_buffer: [[bool; (WIDTH as usize)]; (HEIGHT as usize)],
[INFO] [stdout]   |                           ^              ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     frame_buffer: [[bool; (WIDTH as usize)]; (HEIGHT as usize)],
[INFO] [stdout] 6 +     frame_buffer: [[bool; WIDTH as usize ]; (HEIGHT as usize)],
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/screen.rs:16:67
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn get_frame_buffer(&self) -> &[[bool; (WIDTH as usize)]; (HEIGHT as usize)] {
[INFO] [stdout]    |                                                                   ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub fn get_frame_buffer(&self) -> &[[bool; (WIDTH as usize)]; (HEIGHT as usize)] {
[INFO] [stdout] 16 +     pub fn get_frame_buffer(&self) -> &[[bool; (WIDTH as usize)]; HEIGHT as usize ] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/screen.rs:16:48
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn get_frame_buffer(&self) -> &[[bool; (WIDTH as usize)]; (HEIGHT as usize)] {
[INFO] [stdout]    |                                                ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub fn get_frame_buffer(&self) -> &[[bool; (WIDTH as usize)]; (HEIGHT as usize)] {
[INFO] [stdout] 16 +     pub fn get_frame_buffer(&self) -> &[[bool; WIDTH as usize ]; (HEIGHT as usize)] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/chip8.rs:572:75
[INFO] [stdout]     |
[INFO] [stdout] 572 |     pub fn get_frame_buffer(&self) -> &[[bool; (screen::WIDTH as usize)]; (screen::HEIGHT as usize)] {
[INFO] [stdout]     |                                                                           ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 572 -     pub fn get_frame_buffer(&self) -> &[[bool; (screen::WIDTH as usize)]; (screen::HEIGHT as usize)] {
[INFO] [stdout] 572 +     pub fn get_frame_buffer(&self) -> &[[bool; (screen::WIDTH as usize)]; screen::HEIGHT as usize ] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/chip8.rs:572:48
[INFO] [stdout]     |
[INFO] [stdout] 572 |     pub fn get_frame_buffer(&self) -> &[[bool; (screen::WIDTH as usize)]; (screen::HEIGHT as usize)] {
[INFO] [stdout]     |                                                ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 572 -     pub fn get_frame_buffer(&self) -> &[[bool; (screen::WIDTH as usize)]; (screen::HEIGHT as usize)] {
[INFO] [stdout] 572 +     pub fn get_frame_buffer(&self) -> &[[bool; screen::WIDTH as usize ]; (screen::HEIGHT as usize)] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]  --> src/keypad.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |     key_states: [bool; (NUM_KEYS as usize)],
[INFO] [stdout]   |                        ^                 ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 -     key_states: [bool; (NUM_KEYS as usize)],
[INFO] [stdout] 5 +     key_states: [bool; NUM_KEYS as usize ],
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]  --> src/screen.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 |     frame_buffer: [[bool; (WIDTH as usize)]; (HEIGHT as usize)],
[INFO] [stdout]   |                                              ^               ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     frame_buffer: [[bool; (WIDTH as usize)]; (HEIGHT as usize)],
[INFO] [stdout] 6 +     frame_buffer: [[bool; (WIDTH as usize)]; HEIGHT as usize ],
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]  --> src/screen.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     frame_buffer: [[bool; (WIDTH as usize)]; (HEIGHT as usize)],
[INFO] [stdout]   |                           ^              ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     frame_buffer: [[bool; (WIDTH as usize)]; (HEIGHT as usize)],
[INFO] [stdout] 6 +     frame_buffer: [[bool; WIDTH as usize ]; (HEIGHT as usize)],
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/screen.rs:16:67
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn get_frame_buffer(&self) -> &[[bool; (WIDTH as usize)]; (HEIGHT as usize)] {
[INFO] [stdout]    |                                                                   ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub fn get_frame_buffer(&self) -> &[[bool; (WIDTH as usize)]; (HEIGHT as usize)] {
[INFO] [stdout] 16 +     pub fn get_frame_buffer(&self) -> &[[bool; (WIDTH as usize)]; HEIGHT as usize ] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/screen.rs:16:48
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn get_frame_buffer(&self) -> &[[bool; (WIDTH as usize)]; (HEIGHT as usize)] {
[INFO] [stdout]    |                                                ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub fn get_frame_buffer(&self) -> &[[bool; (WIDTH as usize)]; (HEIGHT as usize)] {
[INFO] [stdout] 16 +     pub fn get_frame_buffer(&self) -> &[[bool; WIDTH as usize ]; (HEIGHT as usize)] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/chip8.rs:572:75
[INFO] [stdout]     |
[INFO] [stdout] 572 |     pub fn get_frame_buffer(&self) -> &[[bool; (screen::WIDTH as usize)]; (screen::HEIGHT as usize)] {
[INFO] [stdout]     |                                                                           ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 572 -     pub fn get_frame_buffer(&self) -> &[[bool; (screen::WIDTH as usize)]; (screen::HEIGHT as usize)] {
[INFO] [stdout] 572 +     pub fn get_frame_buffer(&self) -> &[[bool; (screen::WIDTH as usize)]; screen::HEIGHT as usize ] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/chip8.rs:572:48
[INFO] [stdout]     |
[INFO] [stdout] 572 |     pub fn get_frame_buffer(&self) -> &[[bool; (screen::WIDTH as usize)]; (screen::HEIGHT as usize)] {
[INFO] [stdout]     |                                                ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 572 -     pub fn get_frame_buffer(&self) -> &[[bool; (screen::WIDTH as usize)]; (screen::HEIGHT as usize)] {
[INFO] [stdout] 572 +     pub fn get_frame_buffer(&self) -> &[[bool; screen::WIDTH as usize ]; (screen::HEIGHT as usize)] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]  --> src/keypad.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |     key_states: [bool; (NUM_KEYS as usize)],
[INFO] [stdout]   |                        ^                 ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 -     key_states: [bool; (NUM_KEYS as usize)],
[INFO] [stdout] 5 +     key_states: [bool; NUM_KEYS as usize ],
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Sdl(String),
[INFO] [stdout]    |     --- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 60 -     Sdl(String),
[INFO] [stdout] 60 +     Sdl(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Chip8(chip8::Chip8Error),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 61 -     Chip8(chip8::Chip8Error),
[INFO] [stdout] 61 +     Chip8(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Config(confy::ConfyError),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 62 -     Config(confy::ConfyError),
[INFO] [stdout] 62 +     Config(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     IO(io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     IO(io::Error),
[INFO] [stdout] 63 +     IO(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/chip8.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     InstructionNotImplemented(String),
[INFO] [stdout]    |     ------------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chip8Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     InstructionNotImplemented(String),
[INFO] [stdout] 27 +     InstructionNotImplemented(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/chip8.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     MemoryOverflow(String),
[INFO] [stdout]    |     -------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chip8Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -     MemoryOverflow(String),
[INFO] [stdout] 28 +     MemoryOverflow(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/chip8.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |     InvalidFontData(String),
[INFO] [stdout]    |     --------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chip8Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     InvalidFontData(String),
[INFO] [stdout] 29 +     InvalidFontData(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/chip8.rs:507:12
[INFO] [stdout]     |
[INFO] [stdout]  74 | impl Chip8 {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 507 |     pub fn load_opcode_into_memory(&mut self, opcode: u16, address: u16) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 515 |     pub fn load_opcodes_into_memory(&mut self, opcodes: &Vec<u16>, mut address: u16) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 542 |     pub fn load_register(&mut self, reg_id: u8, value: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 546 |     pub fn load_index_reg(&mut self, address: u16) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 |     pub fn load_registers(&mut self, values: &[u8; 16]) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 564 |     pub fn reset_state(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 576 |     pub fn print_debug_info(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Sdl(String),
[INFO] [stdout]    |     --- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 60 -     Sdl(String),
[INFO] [stdout] 60 +     Sdl(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Chip8(chip8::Chip8Error),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 61 -     Chip8(chip8::Chip8Error),
[INFO] [stdout] 61 +     Chip8(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Config(confy::ConfyError),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 62 -     Config(confy::ConfyError),
[INFO] [stdout] 62 +     Config(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     IO(io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     IO(io::Error),
[INFO] [stdout] 63 +     IO(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/chip8.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     InstructionNotImplemented(String),
[INFO] [stdout]    |     ------------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chip8Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     InstructionNotImplemented(String),
[INFO] [stdout] 27 +     InstructionNotImplemented(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/chip8.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     MemoryOverflow(String),
[INFO] [stdout]    |     -------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chip8Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -     MemoryOverflow(String),
[INFO] [stdout] 28 +     MemoryOverflow(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/chip8.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |     InvalidFontData(String),
[INFO] [stdout]    |     --------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chip8Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     InvalidFontData(String),
[INFO] [stdout] 29 +     InvalidFontData(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `reset_state` and `print_debug_info` are never used
[INFO] [stdout]    --> src/chip8.rs:564:12
[INFO] [stdout]     |
[INFO] [stdout]  74 | impl Chip8 {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 564 |     pub fn reset_state(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 576 |     pub fn print_debug_info(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `Command { std: "docker" "inspect" "e7dc9c387e7b830234b603d3dc8289a8792f31988afb311c734edb0dbced3e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7dc9c387e7b830234b603d3dc8289a8792f31988afb311c734edb0dbced3e02", kill_on_drop: false }`
[INFO] [stdout] e7dc9c387e7b830234b603d3dc8289a8792f31988afb311c734edb0dbced3e02
