[INFO] cloning repository https://github.com/abrodersen/chip-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abrodersen/chip-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrodersen%2Fchip-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrodersen%2Fchip-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea43a23a11cc28190ac0b5cb002b2e233780e254
[INFO] checking abrodersen/chip-rs against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrodersen%2Fchip-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/abrodersen/chip-rs
[INFO] finished tweaking git repo https://github.com/abrodersen/chip-rs
[INFO] tweaked toml for git repo https://github.com/abrodersen/chip-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abrodersen/chip-rs on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abrodersen/chip-rs 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chan v0.1.19
[INFO] [stderr]   Downloaded sdl2-sys v0.27.2
[INFO] [stderr]   Downloaded bit-set v0.4.0
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded chan-signal v0.2.0
[INFO] [stderr]   Downloaded bit-vec v0.4.3
[INFO] [stderr]   Downloaded num-integer v0.1.33
[INFO] [stderr]   Downloaded num v0.1.37
[INFO] [stderr]   Downloaded sdl2 v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61b0fca1b7432614f2b064b8f11c3f996d7946fb2d1ce617605a17c9b9229eaa
[INFO] running `Command { std: "docker" "start" "-a" "61b0fca1b7432614f2b064b8f11c3f996d7946fb2d1ce617605a17c9b9229eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61b0fca1b7432614f2b064b8f11c3f996d7946fb2d1ce617605a17c9b9229eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b0fca1b7432614f2b064b8f11c3f996d7946fb2d1ce617605a17c9b9229eaa", kill_on_drop: false }`
[INFO] [stdout] 61b0fca1b7432614f2b064b8f11c3f996d7946fb2d1ce617605a17c9b9229eaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 073ff44c87eb02ecba5d9b7940ce44fe41f7ddc05e7fce924f6d4fd9e3a7dd40
[INFO] running `Command { std: "docker" "start" "-a" "073ff44c87eb02ecba5d9b7940ce44fe41f7ddc05e7fce924f6d4fd9e3a7dd40", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking bit-vec v0.4.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking sdl2 v0.29.0
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]     Checking chip-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/chip8/cpu.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::display::{self, Display, Point, Sprite};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chip8/cpu.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         try!(src.read_to_end(&mut buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/chip8/op.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         (self.0 & 0xFFF)
[INFO] [stdout]     |         ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -         (self.0 & 0xFFF)
[INFO] [stdout] 101 +         self.0 & 0xFFF
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::rect`
[INFO] [stdout]  --> src/chip8/display/sdl.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sdl2::rect;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 22 +     pub static ref ZERO:  Sprite = Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 23 -     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 23 +     pub static ref ONE:   Sprite = Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 24 -     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] 24 +     pub static ref TWO:   Sprite = Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub static ref THREE: Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 25 -     pub static ref THREE: Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout] 25 +     pub static ref THREE: Sprite = Sprite::new(&[0xF0, 0x10, 0xF0, 0x10, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub static ref FOUR:  Sprite = { Sprite::new(&[0x90, 0x90, 0xF0, 0x10, 0x10]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 26 -     pub static ref FOUR:  Sprite = { Sprite::new(&[0x90, 0x90, 0xF0, 0x10, 0x10]) };
[INFO] [stdout] 26 +     pub static ref FOUR:  Sprite = Sprite::new(&[0x90, 0x90, 0xF0, 0x10, 0x10]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:27:36
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub static ref FIVE:  Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 27 -     pub static ref FIVE:  Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout] 27 +     pub static ref FIVE:  Sprite = Sprite::new(&[0xF0, 0x80, 0xF0, 0x10, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub static ref SIX:   Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x90, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pub static ref SIX:   Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x90, 0xF0]) };
[INFO] [stdout] 28 +     pub static ref SIX:   Sprite = Sprite::new(&[0xF0, 0x80, 0xF0, 0x90, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub static ref SEVEN: Sprite = { Sprite::new(&[0xF0, 0x10, 0x20, 0x40, 0x40]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 29 -     pub static ref SEVEN: Sprite = { Sprite::new(&[0xF0, 0x10, 0x20, 0x40, 0x40]) };
[INFO] [stdout] 29 +     pub static ref SEVEN: Sprite = Sprite::new(&[0xF0, 0x10, 0x20, 0x40, 0x40]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub static ref EIGHT: Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 30 -     pub static ref EIGHT: Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0xF0]) };
[INFO] [stdout] 30 +     pub static ref EIGHT: Sprite = Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref NINE:  Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 31 -     pub static ref NINE:  Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout] 31 +     pub static ref NINE:  Sprite = Sprite::new(&[0xF0, 0x90, 0xF0, 0x10, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub static ref A:     Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0x90]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 32 -     pub static ref A:     Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0x90]) };
[INFO] [stdout] 32 +     pub static ref A:     Sprite = Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0x90]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:33:36
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub static ref B:     Sprite = { Sprite::new(&[0xE0, 0x90, 0xE0, 0x90, 0xE0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 33 -     pub static ref B:     Sprite = { Sprite::new(&[0xE0, 0x90, 0xE0, 0x90, 0xE0]) };
[INFO] [stdout] 33 +     pub static ref B:     Sprite = Sprite::new(&[0xE0, 0x90, 0xE0, 0x90, 0xE0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:34:36
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub static ref C:     Sprite = { Sprite::new(&[0xF0, 0x80, 0x80, 0x80, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 34 -     pub static ref C:     Sprite = { Sprite::new(&[0xF0, 0x80, 0x80, 0x80, 0xF0]) };
[INFO] [stdout] 34 +     pub static ref C:     Sprite = Sprite::new(&[0xF0, 0x80, 0x80, 0x80, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub static ref D:     Sprite = { Sprite::new(&[0xE0, 0x90, 0x90, 0x90, 0xE0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 35 -     pub static ref D:     Sprite = { Sprite::new(&[0xE0, 0x90, 0x90, 0x90, 0xE0]) };
[INFO] [stdout] 35 +     pub static ref D:     Sprite = Sprite::new(&[0xE0, 0x90, 0x90, 0x90, 0xE0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub static ref E:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 36 -     pub static ref E:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] 36 +     pub static ref E:     Sprite = Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 37 -     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 37 +     pub static ref F:     Sprite = Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/chip8/input/mod.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn is_pressed(&mut self, u8) -> bool;
[INFO] [stdout]   |                              ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/chip8/input/mod.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn wait_pressed(&mut self, u8);
[INFO] [stdout]   |                                ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::video`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use sdl2::video;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/chip8/cpu.rs:98:46
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn load_program(&mut self, src: &mut io::Read) -> Result<usize, io::Error>  {
[INFO] [stdout]    |                                              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn load_program(&mut self, src: &mut dyn io::Read) -> Result<usize, io::Error>  {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/chip8/cpu.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::display::{self, Display, Point, Sprite};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chip8/cpu.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         try!(src.read_to_end(&mut buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/chip8/op.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         (self.0 & 0xFFF)
[INFO] [stdout]     |         ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -         (self.0 & 0xFFF)
[INFO] [stdout] 101 +         self.0 & 0xFFF
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::rect`
[INFO] [stdout]  --> src/chip8/display/sdl.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sdl2::rect;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 22 +     pub static ref ZERO:  Sprite = Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 23 -     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 23 +     pub static ref ONE:   Sprite = Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 24 -     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] 24 +     pub static ref TWO:   Sprite = Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub static ref THREE: Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 25 -     pub static ref THREE: Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout] 25 +     pub static ref THREE: Sprite = Sprite::new(&[0xF0, 0x10, 0xF0, 0x10, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub static ref FOUR:  Sprite = { Sprite::new(&[0x90, 0x90, 0xF0, 0x10, 0x10]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 26 -     pub static ref FOUR:  Sprite = { Sprite::new(&[0x90, 0x90, 0xF0, 0x10, 0x10]) };
[INFO] [stdout] 26 +     pub static ref FOUR:  Sprite = Sprite::new(&[0x90, 0x90, 0xF0, 0x10, 0x10]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:27:36
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub static ref FIVE:  Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 27 -     pub static ref FIVE:  Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout] 27 +     pub static ref FIVE:  Sprite = Sprite::new(&[0xF0, 0x80, 0xF0, 0x10, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub static ref SIX:   Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x90, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pub static ref SIX:   Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x90, 0xF0]) };
[INFO] [stdout] 28 +     pub static ref SIX:   Sprite = Sprite::new(&[0xF0, 0x80, 0xF0, 0x90, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub static ref SEVEN: Sprite = { Sprite::new(&[0xF0, 0x10, 0x20, 0x40, 0x40]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 29 -     pub static ref SEVEN: Sprite = { Sprite::new(&[0xF0, 0x10, 0x20, 0x40, 0x40]) };
[INFO] [stdout] 29 +     pub static ref SEVEN: Sprite = Sprite::new(&[0xF0, 0x10, 0x20, 0x40, 0x40]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub static ref EIGHT: Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 30 -     pub static ref EIGHT: Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0xF0]) };
[INFO] [stdout] 30 +     pub static ref EIGHT: Sprite = Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref NINE:  Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 31 -     pub static ref NINE:  Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout] 31 +     pub static ref NINE:  Sprite = Sprite::new(&[0xF0, 0x90, 0xF0, 0x10, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub static ref A:     Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0x90]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 32 -     pub static ref A:     Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0x90]) };
[INFO] [stdout] 32 +     pub static ref A:     Sprite = Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0x90]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:33:36
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub static ref B:     Sprite = { Sprite::new(&[0xE0, 0x90, 0xE0, 0x90, 0xE0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 33 -     pub static ref B:     Sprite = { Sprite::new(&[0xE0, 0x90, 0xE0, 0x90, 0xE0]) };
[INFO] [stdout] 33 +     pub static ref B:     Sprite = Sprite::new(&[0xE0, 0x90, 0xE0, 0x90, 0xE0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:34:36
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub static ref C:     Sprite = { Sprite::new(&[0xF0, 0x80, 0x80, 0x80, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 34 -     pub static ref C:     Sprite = { Sprite::new(&[0xF0, 0x80, 0x80, 0x80, 0xF0]) };
[INFO] [stdout] 34 +     pub static ref C:     Sprite = Sprite::new(&[0xF0, 0x80, 0x80, 0x80, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub static ref D:     Sprite = { Sprite::new(&[0xE0, 0x90, 0x90, 0x90, 0xE0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 35 -     pub static ref D:     Sprite = { Sprite::new(&[0xE0, 0x90, 0x90, 0x90, 0xE0]) };
[INFO] [stdout] 35 +     pub static ref D:     Sprite = Sprite::new(&[0xE0, 0x90, 0x90, 0x90, 0xE0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub static ref E:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 36 -     pub static ref E:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] 36 +     pub static ref E:     Sprite = Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0xF0]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout]    |                                    ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 37 -     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 37 +     pub static ref F:     Sprite = Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/chip8/input/mod.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn is_pressed(&mut self, u8) -> bool;
[INFO] [stdout]   |                              ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/chip8/input/mod.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn wait_pressed(&mut self, u8);
[INFO] [stdout]   |                                ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::video`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use sdl2::video;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_addr`
[INFO] [stdout]    --> src/chip8/cpu.rs:311:21
[INFO] [stdout]     |
[INFO] [stdout] 311 |                 let base_addr = self.i_reg;
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut rng = rand::StdRng::from_seed(seed);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut display = display::sdl::SdlDisplay::new(&video_subsystem);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut input = input::sdl::SdlInput::new(&mut input_subsystem);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugDisplay` is never constructed
[INFO] [stdout]  --> src/chip8/display/debug.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct DebugDisplay {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/chip8/display/debug.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl DebugDisplay {
[INFO] [stdout]   | ----------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new() -> DebugDisplay {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wait_pressed` is never used
[INFO] [stdout]  --> src/chip8/input/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Input {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] 5 |     fn is_pressed(&mut self, u8) -> bool;
[INFO] [stdout] 6 |     fn wait_pressed(&mut self, u8);
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chip8/display/mod.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |      pub fn pixels(&self) -> PixelIter {
[INFO] [stdout]    |                    ^^^^^     --------- the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |      pub fn pixels(&self) -> PixelIter<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8/display/sdl.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         renderer.set_scale(SCALE_FACTOR as f32, SCALE_FACTOR as f32);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let _ = renderer.set_scale(SCALE_FACTOR as f32, SCALE_FACTOR as f32);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8/display/sdl.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         r.draw_points(white.as_slice());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let _ = r.draw_points(white.as_slice());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/chip8/display/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / lazy_static! {
[INFO] [stdout] 22 | |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout] 23 | |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout] 24 | |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8/display/sdl.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         r.draw_points(black.as_slice());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let _ = r.draw_points(black.as_slice());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chip8/input/sdl.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(events: &mut sdl2::EventPump) -> SdlInput {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(events: &mut sdl2::EventPump) -> SdlInput<'_> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/chip8/cpu.rs:98:46
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn load_program(&mut self, src: &mut io::Read) -> Result<usize, io::Error>  {
[INFO] [stdout]    |                                              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn load_program(&mut self, src: &mut dyn io::Read) -> Result<usize, io::Error>  {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_addr`
[INFO] [stdout]    --> src/chip8/cpu.rs:311:21
[INFO] [stdout]     |
[INFO] [stdout] 311 |                 let base_addr = self.i_reg;
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut rng = rand::StdRng::from_seed(seed);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut display = display::sdl::SdlDisplay::new(&video_subsystem);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut input = input::sdl::SdlInput::new(&mut input_subsystem);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugDisplay` is never constructed
[INFO] [stdout]  --> src/chip8/display/debug.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct DebugDisplay {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/chip8/display/debug.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl DebugDisplay {
[INFO] [stdout]   | ----------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new() -> DebugDisplay {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wait_pressed` is never used
[INFO] [stdout]  --> src/chip8/input/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Input {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] 5 |     fn is_pressed(&mut self, u8) -> bool;
[INFO] [stdout] 6 |     fn wait_pressed(&mut self, u8);
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chip8/display/mod.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |      pub fn pixels(&self) -> PixelIter {
[INFO] [stdout]    |                    ^^^^^     --------- the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |      pub fn pixels(&self) -> PixelIter<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8/display/sdl.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         renderer.set_scale(SCALE_FACTOR as f32, SCALE_FACTOR as f32);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let _ = renderer.set_scale(SCALE_FACTOR as f32, SCALE_FACTOR as f32);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8/display/sdl.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         r.draw_points(white.as_slice());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let _ = r.draw_points(white.as_slice());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8/display/sdl.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         r.draw_points(black.as_slice());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let _ = r.draw_points(black.as_slice());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chip8/input/sdl.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(events: &mut sdl2::EventPump) -> SdlInput {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(events: &mut sdl2::EventPump) -> SdlInput<'_> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "073ff44c87eb02ecba5d9b7940ce44fe41f7ddc05e7fce924f6d4fd9e3a7dd40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073ff44c87eb02ecba5d9b7940ce44fe41f7ddc05e7fce924f6d4fd9e3a7dd40", kill_on_drop: false }`
[INFO] [stdout] 073ff44c87eb02ecba5d9b7940ce44fe41f7ddc05e7fce924f6d4fd9e3a7dd40
