[INFO] cloning repository https://github.com/jomag/rustboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jomag/rustboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjomag%2Frustboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjomag%2Frustboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f6d18123a60001bf8675f6e09712cb21cba691b
[INFO] checking jomag/rustboy against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjomag%2Frustboy" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jomag/rustboy on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jomag/rustboy
[INFO] finished tweaking git repo https://github.com/jomag/rustboy
[INFO] tweaked toml for git repo https://github.com/jomag/rustboy written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jomag/rustboy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e3cd844da55770dc8c7c10194a75106ab1e00aabac557b4bd776f81eccf68e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e3cd844da55770dc8c7c10194a75106ab1e00aabac557b4bd776f81eccf68e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e3cd844da55770dc8c7c10194a75106ab1e00aabac557b4bd776f81eccf68e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3cd844da55770dc8c7c10194a75106ab1e00aabac557b4bd776f81eccf68e3", kill_on_drop: false }`
[INFO] [stdout] 7e3cd844da55770dc8c7c10194a75106ab1e00aabac557b4bd776f81eccf68e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d3bf1746cad86847d09b2d3f1f25eeeed58fb491c69b72434838f0413da8867
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d3bf1746cad86847d09b2d3f1f25eeeed58fb491c69b72434838f0413da8867", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking rustboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[macro_escape]` is a deprecated synonym for `#[macro_use]`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[macro_escape]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AudioQueue`
[INFO] [stdout]   --> src/main.rs:16:34
[INFO] [stdout]    |
[INFO] [stdout] 16 | use sdl2::audio::{AudioCallback, AudioQueue, AudioSpecDesired};
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug::print_registers`
[INFO] [stdout]  --> src/macros.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use debug::print_registers;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AudioCallback`, `AudioQueue`, `AudioSpecDesired`
[INFO] [stdout]   --> src/apu.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | use sdl2::audio::{AudioCallback, AudioQueue, AudioSpecDesired};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::init`
[INFO] [stdout]   --> src/apu.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sdl2::init;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]   --> src/apu.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]   --> src/apu.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::thread::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/apu.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apu.rs:239:19
[INFO] [stdout]     |
[INFO] [stdout] 239 |             0xFF10...0xFF14 => self.s1.read_reg(address),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apu.rs:240:19
[INFO] [stdout]     |
[INFO] [stdout] 240 |             0xFF15...0xFF19 => self.s2.read_reg(address),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apu.rs:251:19
[INFO] [stdout]     |
[INFO] [stdout] 251 |             0xFF10...0xFF14 => self.s1.write_reg(address - 0xFF10, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apu.rs:252:19
[INFO] [stdout]     |
[INFO] [stdout] 252 |             0xFF15...0xFF19 => self.s2.write_reg(address - 0xFF15, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cartridge.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |             0x2000...0x3FFF => self.rom_offset = (value as usize) * 0x4000,
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cartridge.rs:80:46
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn load_cartridge(filename: &str) -> Box<Cartridge> {
[INFO] [stdout]    |                                              ^^^^^^^^^ help: use `dyn`: `dyn Cartridge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cartridge.rs:92:61
[INFO] [stdout]    |
[INFO] [stdout] 92 |         0 => return Box::new(Cartridge32k::new(rom)) as Box<Cartridge>,
[INFO] [stdout]    |                                                             ^^^^^^^^^ help: use `dyn`: `dyn Cartridge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cartridge.rs:93:62
[INFO] [stdout]    |
[INFO] [stdout] 93 |         1 => return Box::new(CartridgeMBC1::new(rom)) as Box<Cartridge>,
[INFO] [stdout]    |                                                              ^^^^^^^^^ help: use `dyn`: `dyn Cartridge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_escape]` is a deprecated synonym for `#[macro_use]`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[macro_escape]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::Texture`
[INFO] [stdout]  --> src/lcd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2::render::Texture;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mmu::ansi_term::Colour::Blue`
[INFO] [stdout]  --> src/mmu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mmu::ansi_term::Colour::Blue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug::print_registers`
[INFO] [stdout]   --> src/mmu.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use debug::print_registers;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mmu.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub cartridge: Box<Cartridge>,
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Cartridge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:230:19
[INFO] [stdout]     |
[INFO] [stdout] 230 |             0x0000...0x00FF => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:237:19
[INFO] [stdout]     |
[INFO] [stdout] 237 |             0x0100...0x3FFF => self.cartridge.read(addr),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:238:19
[INFO] [stdout]     |
[INFO] [stdout] 238 |             0x4000...0x7FFF => self.cartridge.read(addr), // self.romx[(addr - 0x4000) as usize],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:239:19
[INFO] [stdout]     |
[INFO] [stdout] 239 |             0x8000...0x9FFF => self.lcd.read_display_ram(addr),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:240:19
[INFO] [stdout]     |
[INFO] [stdout] 240 |             0xA000...0xBFFF => self.external_ram[(addr - 0xA000) as usize],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:241:19
[INFO] [stdout]     |
[INFO] [stdout] 241 |             0xC000...0xCFFF => self.ram[(addr - 0xC000) as usize], // RAM
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:242:19
[INFO] [stdout]     |
[INFO] [stdout] 242 |             0xD000...0xDFFF => self.ram[(addr - 0xC000) as usize], // RAM (switchable on GBC)
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:243:19
[INFO] [stdout]     |
[INFO] [stdout] 243 |             0xE000...0xFDFF => self.ram[(addr - 0xE000) as usize], // RAM echo
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:244:19
[INFO] [stdout]     |
[INFO] [stdout] 244 |             0xFE00...0xFE9F => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:252:19
[INFO] [stdout]     |
[INFO] [stdout] 252 |             0xFEA0...0xFEFF => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:276:19
[INFO] [stdout]     |
[INFO] [stdout] 276 |             0xFF10...0xFF26 => self.apu.read_reg(addr),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:279:19
[INFO] [stdout]     |
[INFO] [stdout] 279 |             0xFF00...0xFF7F => self.io_reg[(addr - 0xFF00) as usize],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:281:19
[INFO] [stdout]     |
[INFO] [stdout] 281 |             0xFF80...0xFFFE => self.internal_ram[(addr - 0xFF80) as usize],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:321:19
[INFO] [stdout]     |
[INFO] [stdout] 321 |             0x0000...0x3FFF => self.cartridge.write(addr, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:322:19
[INFO] [stdout]     |
[INFO] [stdout] 322 |             0x4000...0x7FFF => self.cartridge.write(addr, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:323:19
[INFO] [stdout]     |
[INFO] [stdout] 323 |             0x8000...0x9FFF => self.lcd.write_display_ram(addr, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:324:19
[INFO] [stdout]     |
[INFO] [stdout] 324 |             0xA000...0xBFFF => self.external_ram[(addr - 0xA000) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:325:19
[INFO] [stdout]     |
[INFO] [stdout] 325 |             0xC000...0xCFFF => self.ram[(addr - 0xC000) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 326 |             0xD000...0xDFFF => self.ram[(addr - 0xC000) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:327:19
[INFO] [stdout]     |
[INFO] [stdout] 327 |             0xE000...0xFDFF => self.ram[(addr - 0xE000) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:328:19
[INFO] [stdout]     |
[INFO] [stdout] 328 |             0xFE00...0xFE9F => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:334:19
[INFO] [stdout]     |
[INFO] [stdout] 334 |             0xFEA0...0xFEFF => {}
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:337:19
[INFO] [stdout]     |
[INFO] [stdout] 337 |             0xFF10...0xFF26 => self.apu.write_reg(addr, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:343:19
[INFO] [stdout]     |
[INFO] [stdout] 343 |             0xFF30...0xFF3F => {}
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:383:19
[INFO] [stdout]     |
[INFO] [stdout] 383 |             0xFF00...0xFF7F => self.io_reg[(addr - 0xFF00) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:384:19
[INFO] [stdout]     |
[INFO] [stdout] 384 |             0xFF80...0xFFFE => self.internal_ram[(addr - 0xFF80) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AudioQueue`
[INFO] [stdout]   --> src/main.rs:16:34
[INFO] [stdout]    |
[INFO] [stdout] 16 | use sdl2::audio::{AudioCallback, AudioQueue, AudioSpecDesired};
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug::print_registers`
[INFO] [stdout]  --> src/macros.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use debug::print_registers;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AudioCallback`, `AudioQueue`, `AudioSpecDesired`
[INFO] [stdout]   --> src/apu.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | use sdl2::audio::{AudioCallback, AudioQueue, AudioSpecDesired};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::init`
[INFO] [stdout]   --> src/apu.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sdl2::init;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]   --> src/apu.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]   --> src/apu.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::thread::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/apu.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apu.rs:239:19
[INFO] [stdout]     |
[INFO] [stdout] 239 |             0xFF10...0xFF14 => self.s1.read_reg(address),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apu.rs:240:19
[INFO] [stdout]     |
[INFO] [stdout] 240 |             0xFF15...0xFF19 => self.s2.read_reg(address),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apu.rs:251:19
[INFO] [stdout]     |
[INFO] [stdout] 251 |             0xFF10...0xFF14 => self.s1.write_reg(address - 0xFF10, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apu.rs:252:19
[INFO] [stdout]     |
[INFO] [stdout] 252 |             0xFF15...0xFF19 => self.s2.write_reg(address - 0xFF15, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cartridge.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |             0x2000...0x3FFF => self.rom_offset = (value as usize) * 0x4000,
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cartridge.rs:80:46
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn load_cartridge(filename: &str) -> Box<Cartridge> {
[INFO] [stdout]    |                                              ^^^^^^^^^ help: use `dyn`: `dyn Cartridge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cartridge.rs:92:61
[INFO] [stdout]    |
[INFO] [stdout] 92 |         0 => return Box::new(Cartridge32k::new(rom)) as Box<Cartridge>,
[INFO] [stdout]    |                                                             ^^^^^^^^^ help: use `dyn`: `dyn Cartridge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cartridge.rs:93:62
[INFO] [stdout]    |
[INFO] [stdout] 93 |         1 => return Box::new(CartridgeMBC1::new(rom)) as Box<Cartridge>,
[INFO] [stdout]    |                                                              ^^^^^^^^^ help: use `dyn`: `dyn Cartridge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::Texture`
[INFO] [stdout]  --> src/lcd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2::render::Texture;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mmu::ansi_term::Colour::Blue`
[INFO] [stdout]  --> src/mmu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mmu::ansi_term::Colour::Blue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug::print_registers`
[INFO] [stdout]   --> src/mmu.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use debug::print_registers;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mmu.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub cartridge: Box<Cartridge>,
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Cartridge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:230:19
[INFO] [stdout]     |
[INFO] [stdout] 230 |             0x0000...0x00FF => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:237:19
[INFO] [stdout]     |
[INFO] [stdout] 237 |             0x0100...0x3FFF => self.cartridge.read(addr),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:238:19
[INFO] [stdout]     |
[INFO] [stdout] 238 |             0x4000...0x7FFF => self.cartridge.read(addr), // self.romx[(addr - 0x4000) as usize],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:239:19
[INFO] [stdout]     |
[INFO] [stdout] 239 |             0x8000...0x9FFF => self.lcd.read_display_ram(addr),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:240:19
[INFO] [stdout]     |
[INFO] [stdout] 240 |             0xA000...0xBFFF => self.external_ram[(addr - 0xA000) as usize],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:241:19
[INFO] [stdout]     |
[INFO] [stdout] 241 |             0xC000...0xCFFF => self.ram[(addr - 0xC000) as usize], // RAM
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:242:19
[INFO] [stdout]     |
[INFO] [stdout] 242 |             0xD000...0xDFFF => self.ram[(addr - 0xC000) as usize], // RAM (switchable on GBC)
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:243:19
[INFO] [stdout]     |
[INFO] [stdout] 243 |             0xE000...0xFDFF => self.ram[(addr - 0xE000) as usize], // RAM echo
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:244:19
[INFO] [stdout]     |
[INFO] [stdout] 244 |             0xFE00...0xFE9F => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:252:19
[INFO] [stdout]     |
[INFO] [stdout] 252 |             0xFEA0...0xFEFF => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:276:19
[INFO] [stdout]     |
[INFO] [stdout] 276 |             0xFF10...0xFF26 => self.apu.read_reg(addr),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:279:19
[INFO] [stdout]     |
[INFO] [stdout] 279 |             0xFF00...0xFF7F => self.io_reg[(addr - 0xFF00) as usize],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:281:19
[INFO] [stdout]     |
[INFO] [stdout] 281 |             0xFF80...0xFFFE => self.internal_ram[(addr - 0xFF80) as usize],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:321:19
[INFO] [stdout]     |
[INFO] [stdout] 321 |             0x0000...0x3FFF => self.cartridge.write(addr, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:322:19
[INFO] [stdout]     |
[INFO] [stdout] 322 |             0x4000...0x7FFF => self.cartridge.write(addr, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:323:19
[INFO] [stdout]     |
[INFO] [stdout] 323 |             0x8000...0x9FFF => self.lcd.write_display_ram(addr, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:324:19
[INFO] [stdout]     |
[INFO] [stdout] 324 |             0xA000...0xBFFF => self.external_ram[(addr - 0xA000) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:325:19
[INFO] [stdout]     |
[INFO] [stdout] 325 |             0xC000...0xCFFF => self.ram[(addr - 0xC000) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 326 |             0xD000...0xDFFF => self.ram[(addr - 0xC000) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:327:19
[INFO] [stdout]     |
[INFO] [stdout] 327 |             0xE000...0xFDFF => self.ram[(addr - 0xE000) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:328:19
[INFO] [stdout]     |
[INFO] [stdout] 328 |             0xFE00...0xFE9F => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:334:19
[INFO] [stdout]     |
[INFO] [stdout] 334 |             0xFEA0...0xFEFF => {}
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:337:19
[INFO] [stdout]     |
[INFO] [stdout] 337 |             0xFF10...0xFF26 => self.apu.write_reg(addr, value),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:343:19
[INFO] [stdout]     |
[INFO] [stdout] 343 |             0xFF30...0xFF3F => {}
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:383:19
[INFO] [stdout]     |
[INFO] [stdout] 383 |             0xFF00...0xFF7F => self.io_reg[(addr - 0xFF00) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mmu.rs:384:19
[INFO] [stdout]     |
[INFO] [stdout] 384 |             0xFF80...0xFFFE => self.internal_ram[(addr - 0xFF80) as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/instructions.rs:2717:17
[INFO] [stdout]      |
[INFO] [stdout] 2717 |                 _ => {
[INFO] [stdout]      |                 ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]    --> src/mmu.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |             P1_REG => self.buttons.read_p1(),
[INFO] [stdout]     |             ------ this range overlaps on `65280_u16`
[INFO] [stdout] ...
[INFO] [stdout] 279 |             0xFF00...0xFF7F => self.io_reg[(addr - 0xFF00) as usize],
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(overlapping_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]    --> src/mmu.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |             P1_REG => self.buttons.write_p1(value),
[INFO] [stdout]     |             ------ this range overlaps on `65280_u16`
[INFO] [stdout] ...
[INFO] [stdout] 381 |             0xFF7F => {}
[INFO] [stdout]     |             ------ this range overlaps on `65407_u16`
[INFO] [stdout] 382 | 
[INFO] [stdout] 383 |             0xFF00...0xFF7F => self.io_reg[(addr - 0xFF00) as usize] = value,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spec`
[INFO] [stdout]    --> src/main.rs:223:52
[INFO] [stdout]     |
[INFO] [stdout] 223 |         .open_playback(None, &desired_audio_spec, |spec| AudioBuffer {
[INFO] [stdout]     |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_spec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pitch`
[INFO] [stdout]    --> src/main.rs:462:54
[INFO] [stdout]     |
[INFO] [stdout] 462 |                 .with_lock(None, |buffer: &mut [u8], pitch: usize| {
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_pitch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headless`
[INFO] [stdout]    --> src/main.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let headless: bool = matches.is_present("headless");
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headless`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]    --> src/main.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let record: Option<&str> = matches.value_of("record");
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_frame_skip`
[INFO] [stdout]    --> src/main.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let record_frame_skip: u32 = parse(matches.value_of("skip"), 3);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_frame_skip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `break_at_frame`
[INFO] [stdout]    --> src/main.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let break_at_frame: Option<u32> = parse_optional(matches.value_of("break-frame"));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_break_at_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exit_at_cycle`
[INFO] [stdout]    --> src/main.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let exit_at_cycle: Option<u32> = parse_optional(matches.value_of("exit-cycle"));
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exit_at_cycle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]    --> src/main.rs:143:15
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let &(ref lock, ref cvar) = &*self.pair;
[INFO] [stdout]     |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn write(&mut self, address: u16, value: u8) {}
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/cartridge.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn write(&mut self, address: u16, value: u8) {}
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn read(&self, address: u16) -> u8 {
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge.rs:77:25
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn write(&mut self, address: u16, value: u8) {}
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/cartridge.rs:77:39
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn write(&mut self, address: u16, value: u8) {}
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tile_data_offset` is never read
[INFO] [stdout]    --> src/lcd.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let mut tile_data_offset: u16 = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mmu`
[INFO] [stdout]    --> src/lcd.rs:378:47
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub fn old_update(&mut self, cycles: u32, mmu: &mut [u8; 0x10000]) -> bool {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_mmu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/timer.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn write_div(&mut self, value: u8) {
[INFO] [stdout]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/instructions.rs:2717:17
[INFO] [stdout]      |
[INFO] [stdout] 2717 |                 _ => {
[INFO] [stdout]      |                 ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]    --> src/mmu.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |             P1_REG => self.buttons.read_p1(),
[INFO] [stdout]     |             ------ this range overlaps on `65280_u16`
[INFO] [stdout] ...
[INFO] [stdout] 279 |             0xFF00...0xFF7F => self.io_reg[(addr - 0xFF00) as usize],
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(overlapping_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]    --> src/mmu.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |             P1_REG => self.buttons.write_p1(value),
[INFO] [stdout]     |             ------ this range overlaps on `65280_u16`
[INFO] [stdout] ...
[INFO] [stdout] 381 |             0xFF7F => {}
[INFO] [stdout]     |             ------ this range overlaps on `65407_u16`
[INFO] [stdout] 382 | 
[INFO] [stdout] 383 |             0xFF00...0xFF7F => self.io_reg[(addr - 0xFF00) as usize] = value,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spec`
[INFO] [stdout]    --> src/main.rs:223:52
[INFO] [stdout]     |
[INFO] [stdout] 223 |         .open_playback(None, &desired_audio_spec, |spec| AudioBuffer {
[INFO] [stdout]     |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_spec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pitch`
[INFO] [stdout]    --> src/main.rs:462:54
[INFO] [stdout]     |
[INFO] [stdout] 462 |                 .with_lock(None, |buffer: &mut [u8], pitch: usize| {
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_pitch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headless`
[INFO] [stdout]    --> src/main.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let headless: bool = matches.is_present("headless");
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headless`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]    --> src/main.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let record: Option<&str> = matches.value_of("record");
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_frame_skip`
[INFO] [stdout]    --> src/main.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let record_frame_skip: u32 = parse(matches.value_of("skip"), 3);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_frame_skip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `break_at_frame`
[INFO] [stdout]    --> src/main.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let break_at_frame: Option<u32> = parse_optional(matches.value_of("break-frame"));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_break_at_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exit_at_cycle`
[INFO] [stdout]    --> src/main.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let exit_at_cycle: Option<u32> = parse_optional(matches.value_of("exit-cycle"));
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exit_at_cycle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]    --> src/main.rs:143:15
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let &(ref lock, ref cvar) = &*self.pair;
[INFO] [stdout]     |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn write(&mut self, address: u16, value: u8) {}
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/cartridge.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn write(&mut self, address: u16, value: u8) {}
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn read(&self, address: u16) -> u8 {
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge.rs:77:25
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn write(&mut self, address: u16, value: u8) {}
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/cartridge.rs:77:39
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn write(&mut self, address: u16, value: u8) {}
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tile_data_offset` is never read
[INFO] [stdout]    --> src/lcd.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let mut tile_data_offset: u16 = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mmu`
[INFO] [stdout]    --> src/lcd.rs:378:47
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub fn old_update(&mut self, cycles: u32, mmu: &mut [u8; 0x10000]) -> bool {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_mmu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/timer.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn write_div(&mut self, value: u8) {
[INFO] [stdout]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lcd.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let mut buf_offs = scanline as usize * pitch;
[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/lcd.rs:379:13
[INFO] [stdout]     |
[INFO] [stdout] 379 |         let mut display_update = false;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `period`
[INFO] [stdout]   --> src/apu.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     period: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ctr`
[INFO] [stdout]   --> src/apu.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ctr: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `volume`
[INFO] [stdout]   --> src/apu.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     volume: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nr11`
[INFO] [stdout]   --> src/apu.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     nr11: u8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `a_or_right_mask`
[INFO] [stdout]   --> src/buttons.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     const a_or_right_mask: u8 = 1;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `b_or_left_mask`
[INFO] [stdout]   --> src/buttons.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     const b_or_left_mask: u8 = 2;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `start_or_down_mask`
[INFO] [stdout]   --> src/buttons.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     const start_or_down_mask: u8 = 8;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cpu`
[INFO] [stdout]  --> src/cpu.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cpu {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/cpu.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `log_state`
[INFO] [stdout]   --> src/debug.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn log_state(file: &mut File, mmu: &MMU) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_ppu_registers`
[INFO] [stdout]    --> src/debug.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn print_ppu_registers(mmu: &MMU) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `address_type`
[INFO] [stdout]    --> src/debug.rs:630:8
[INFO] [stdout]     |
[INFO] [stdout] 630 | pub fn address_type(addr: u16) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/emu.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn serialize(&mut self) {}
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `op_cycles`
[INFO] [stdout]  --> src/instructions.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn op_cycles(op: u8) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `old_update`
[INFO] [stdout]    --> src/lcd.rs:378:12
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub fn old_update(&mut self, cycles: u32, mmu: &mut [u8; 0x10000]) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR21_REG`
[INFO] [stdout]   --> src/mmu.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub const NR21_REG: u16 = 0xFF16;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR22_REG`
[INFO] [stdout]   --> src/mmu.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub const NR22_REG: u16 = 0xFF17;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR23_REG`
[INFO] [stdout]   --> src/mmu.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub const NR23_REG: u16 = 0xFF18;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR24_REG`
[INFO] [stdout]   --> src/mmu.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub const NR24_REG: u16 = 0xFF19;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR30_REG`
[INFO] [stdout]   --> src/mmu.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub const NR30_REG: u16 = 0xFF1A;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR31_REG`
[INFO] [stdout]   --> src/mmu.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub const NR31_REG: u16 = 0xFF1B;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR32_REG`
[INFO] [stdout]   --> src/mmu.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub const NR32_REG: u16 = 0xFF1C;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR33_REG`
[INFO] [stdout]   --> src/mmu.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub const NR33_REG: u16 = 0xFF1D;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR34_REG`
[INFO] [stdout]   --> src/mmu.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub const NR34_REG: u16 = 0xFF1E;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR41_REG`
[INFO] [stdout]   --> src/mmu.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub const NR41_REG: u16 = 0xFF20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR42_REG`
[INFO] [stdout]   --> src/mmu.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub const NR42_REG: u16 = 0xFF21;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR43_REG`
[INFO] [stdout]   --> src/mmu.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub const NR43_REG: u16 = 0xFF22;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR44_REG`
[INFO] [stdout]   --> src/mmu.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub const NR44_REG: u16 = 0xFF23;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OAM_OFFSET`
[INFO] [stdout]   --> src/mmu.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub const OAM_OFFSET: u16 = 0xFE00;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_i8`
[INFO] [stdout]    --> src/mmu.rs:287:12
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn read_i8(&mut self, addr: u16) -> i8 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_u16`
[INFO] [stdout]    --> src/mmu.rs:297:12
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn read_u16(&mut self, addr: u16) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/mmu.rs:393:12
[INFO] [stdout]     |
[INFO] [stdout] 393 |     pub fn pop(&mut self) -> u16 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x_one_cycle`
[INFO] [stdout]   --> src/timer.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn x_one_cycle(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `fps` should have an upper case name
[INFO] [stdout]    --> src/main.rs:206:11
[INFO] [stdout]     |
[INFO] [stdout] 206 |     const fps: f64 = 60.0;
[INFO] [stdout]     |           ^^^ help: convert the identifier to upper case: `FPS`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `sample_rate` should have an upper case name
[INFO] [stdout]    --> src/main.rs:207:11
[INFO] [stdout]     |
[INFO] [stdout] 207 |     const sample_rate: u32 = 48_000;
[INFO] [stdout]     |           ^^^^^^^^^^^ help: convert the identifier to upper case: `SAMPLE_RATE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::sync::MutexGuard` that must be used
[INFO] [stdout]    --> src/main.rs:446:17
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 cvar.wait(consumed).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if unused the Mutex will immediately unlock
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `p14_mask` should have an upper case name
[INFO] [stdout]   --> src/buttons.rs:65:11
[INFO] [stdout]    |
[INFO] [stdout] 65 |     const p14_mask: u8 = 1 << 4;
[INFO] [stdout]    |           ^^^^^^^^ help: convert the identifier to upper case: `P14_MASK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `p15_mask` should have an upper case name
[INFO] [stdout]   --> src/buttons.rs:66:11
[INFO] [stdout]    |
[INFO] [stdout] 66 |     const p15_mask: u8 = 1 << 5;
[INFO] [stdout]    |           ^^^^^^^^ help: convert the identifier to upper case: `P15_MASK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `a_or_right_mask` should have an upper case name
[INFO] [stdout]   --> src/buttons.rs:67:11
[INFO] [stdout]    |
[INFO] [stdout] 67 |     const a_or_right_mask: u8 = 1;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `A_OR_RIGHT_MASK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `b_or_left_mask` should have an upper case name
[INFO] [stdout]   --> src/buttons.rs:68:11
[INFO] [stdout]    |
[INFO] [stdout] 68 |     const b_or_left_mask: u8 = 2;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `B_OR_LEFT_MASK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `select_or_up_mask` should have an upper case name
[INFO] [stdout]   --> src/buttons.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 69 |     const select_or_up_mask: u8 = 4;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SELECT_OR_UP_MASK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `start_or_down_mask` should have an upper case name
[INFO] [stdout]   --> src/buttons.rs:70:11
[INFO] [stdout]    |
[INFO] [stdout] 70 |     const start_or_down_mask: u8 = 8;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `START_OR_DOWN_MASK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/debug.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     file.write_fmt(format_args!(
[INFO] [stdout] 21 | |         "A:{:02X} B:{:02X} C:{:02X} D:{:02X} E:{:02X} F:{:02X} H:{:02X} L:{:02X} SP:{:04X} PC:{:04X} Op: {:02x} {:02x} DIV: {:02x}\n",
[INFO] [stdout] 22 | |         mmu.reg.a, mmu.reg.b, mmu.reg.c, mmu.reg.d,
[INFO] [stdout] 23 | |         mmu.reg.e, f, mmu.reg.h, mmu.reg.l,
[INFO] [stdout] 24 | |         mmu.reg.sp, mmu.reg.pc, mmu.direct_read(mmu.reg.pc), mmu.direct_read(mmu.reg.pc + 1),
[INFO] [stdout] 25 | |         mmu.timer.read_div()
[INFO] [stdout] 26 | |     ));
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 112 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lcd.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let mut buf_offs = scanline as usize * pitch;
[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/lcd.rs:379:13
[INFO] [stdout]     |
[INFO] [stdout] 379 |         let mut display_update = false;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `period`
[INFO] [stdout]   --> src/apu.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     period: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ctr`
[INFO] [stdout]   --> src/apu.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ctr: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `volume`
[INFO] [stdout]   --> src/apu.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     volume: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nr11`
[INFO] [stdout]   --> src/apu.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     nr11: u8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cpu`
[INFO] [stdout]  --> src/cpu.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cpu {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/cpu.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `log_state`
[INFO] [stdout]   --> src/debug.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn log_state(file: &mut File, mmu: &MMU) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_ppu_registers`
[INFO] [stdout]    --> src/debug.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn print_ppu_registers(mmu: &MMU) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `address_type`
[INFO] [stdout]    --> src/debug.rs:630:8
[INFO] [stdout]     |
[INFO] [stdout] 630 | pub fn address_type(addr: u16) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/emu.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn serialize(&mut self) {}
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `op_cycles`
[INFO] [stdout]  --> src/instructions.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn op_cycles(op: u8) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `old_update`
[INFO] [stdout]    --> src/lcd.rs:378:12
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub fn old_update(&mut self, cycles: u32, mmu: &mut [u8; 0x10000]) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR21_REG`
[INFO] [stdout]   --> src/mmu.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub const NR21_REG: u16 = 0xFF16;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR22_REG`
[INFO] [stdout]   --> src/mmu.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub const NR22_REG: u16 = 0xFF17;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR23_REG`
[INFO] [stdout]   --> src/mmu.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub const NR23_REG: u16 = 0xFF18;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR24_REG`
[INFO] [stdout]   --> src/mmu.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub const NR24_REG: u16 = 0xFF19;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR30_REG`
[INFO] [stdout]   --> src/mmu.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub const NR30_REG: u16 = 0xFF1A;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR31_REG`
[INFO] [stdout]   --> src/mmu.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub const NR31_REG: u16 = 0xFF1B;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR32_REG`
[INFO] [stdout]   --> src/mmu.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub const NR32_REG: u16 = 0xFF1C;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR33_REG`
[INFO] [stdout]   --> src/mmu.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub const NR33_REG: u16 = 0xFF1D;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR34_REG`
[INFO] [stdout]   --> src/mmu.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub const NR34_REG: u16 = 0xFF1E;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR41_REG`
[INFO] [stdout]   --> src/mmu.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub const NR41_REG: u16 = 0xFF20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR42_REG`
[INFO] [stdout]   --> src/mmu.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub const NR42_REG: u16 = 0xFF21;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR43_REG`
[INFO] [stdout]   --> src/mmu.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub const NR43_REG: u16 = 0xFF22;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NR44_REG`
[INFO] [stdout]   --> src/mmu.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub const NR44_REG: u16 = 0xFF23;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OAM_OFFSET`
[INFO] [stdout]   --> src/mmu.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub const OAM_OFFSET: u16 = 0xFE00;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_i8`
[INFO] [stdout]    --> src/mmu.rs:287:12
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn read_i8(&mut self, addr: u16) -> i8 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_u16`
[INFO] [stdout]    --> src/mmu.rs:297:12
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn read_u16(&mut self, addr: u16) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/mmu.rs:393:12
[INFO] [stdout]     |
[INFO] [stdout] 393 |     pub fn pop(&mut self) -> u16 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x_one_cycle`
[INFO] [stdout]   --> src/timer.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn x_one_cycle(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `fps` should have an upper case name
[INFO] [stdout]    --> src/main.rs:206:11
[INFO] [stdout]     |
[INFO] [stdout] 206 |     const fps: f64 = 60.0;
[INFO] [stdout]     |           ^^^ help: convert the identifier to upper case: `FPS`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `sample_rate` should have an upper case name
[INFO] [stdout]    --> src/main.rs:207:11
[INFO] [stdout]     |
[INFO] [stdout] 207 |     const sample_rate: u32 = 48_000;
[INFO] [stdout]     |           ^^^^^^^^^^^ help: convert the identifier to upper case: `SAMPLE_RATE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::sync::MutexGuard` that must be used
[INFO] [stdout]    --> src/main.rs:446:17
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 cvar.wait(consumed).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if unused the Mutex will immediately unlock
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/debug.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     file.write_fmt(format_args!(
[INFO] [stdout] 21 | |         "A:{:02X} B:{:02X} C:{:02X} D:{:02X} E:{:02X} F:{:02X} H:{:02X} L:{:02X} SP:{:04X} PC:{:04X} Op: {:02x} {:02x} DIV: {:02x}\n",
[INFO] [stdout] 22 | |         mmu.reg.a, mmu.reg.b, mmu.reg.c, mmu.reg.d,
[INFO] [stdout] 23 | |         mmu.reg.e, f, mmu.reg.h, mmu.reg.l,
[INFO] [stdout] 24 | |         mmu.reg.sp, mmu.reg.pc, mmu.direct_read(mmu.reg.pc), mmu.direct_read(mmu.reg.pc + 1),
[INFO] [stdout] 25 | |         mmu.timer.read_div()
[INFO] [stdout] 26 | |     ));
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 103 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.00s
[INFO] running `Command { std: "docker" "inspect" "5d3bf1746cad86847d09b2d3f1f25eeeed58fb491c69b72434838f0413da8867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3bf1746cad86847d09b2d3f1f25eeeed58fb491c69b72434838f0413da8867", kill_on_drop: false }`
[INFO] [stdout] 5d3bf1746cad86847d09b2d3f1f25eeeed58fb491c69b72434838f0413da8867