[INFO] cloning repository https://github.com/r1cebank/rgb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r1cebank/rgb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr1cebank%2Frgb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr1cebank%2Frgb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4dc4148c5acca4bdaa48c391f72f0a983eb67b1
[INFO] testing r1cebank/rgb against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr1cebank%2Frgb" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/r1cebank/rgb
[INFO] finished tweaking git repo https://github.com/r1cebank/rgb
[INFO] tweaked toml for git repo https://github.com/r1cebank/rgb written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/r1cebank/rgb on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/r1cebank/rgb 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cde7a7edde5092ffefe471482382565df4089f2b619573e72c8fe3822a2479ea
[INFO] running `Command { std: "docker" "start" "-a" "cde7a7edde5092ffefe471482382565df4089f2b619573e72c8fe3822a2479ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cde7a7edde5092ffefe471482382565df4089f2b619573e72c8fe3822a2479ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde7a7edde5092ffefe471482382565df4089f2b619573e72c8fe3822a2479ea", kill_on_drop: false }`
[INFO] [stdout] cde7a7edde5092ffefe471482382565df4089f2b619573e72c8fe3822a2479ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b84e550efbdddc47ceabed4dbaec86fdecba6e652c69cf555317eba0513dfbba
[INFO] running `Command { std: "docker" "start" "-a" "b84e550efbdddc47ceabed4dbaec86fdecba6e652c69cf555317eba0513dfbba", kill_on_drop: false }`
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[INFO] [stderr]    Compiling find_folder v0.3.0
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[INFO] [stderr]    Compiling strum_macros v0.19.4
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[INFO] [stderr]    Compiling time-macros v0.1.1
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[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.72.0
[INFO] [stderr]    Compiling pistoncore-input v1.0.0
[INFO] [stderr]    Compiling pistoncore-window v0.47.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.52.0
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[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
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[INFO] [stderr]    Compiling pistoncore-glutin_window v0.67.1
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[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/mbc3.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Read, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/rtc.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debug::message::DebugMessage`
[INFO] [stdout]  --> src/debug.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::debug::message::DebugMessage;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::emulator::Emulator`
[INFO] [stdout]  --> src/debug.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::emulator::Emulator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `TryRecvError`
[INFO] [stdout]   --> src/debug.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | use flume::{Receiver, TryRecvError};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder` and `JoinHandle`
[INFO] [stdout]   --> src/debug.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::thread::{Builder, JoinHandle};
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cartridge::load_cartridge`
[INFO] [stdout]  --> src/emulator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::cartridge::load_cartridge;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::instruction::InstructionSet`
[INFO] [stdout]  --> src/emulator.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::cpu::instruction::InstructionSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_framebuffer`
[INFO] [stdout]   --> src/emulator.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::ppu::{random_framebuffer, Mode, PPUFramebuffer};
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/memory/mmu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/memory/mmu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |             0x0000...0x7fff => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |             0xf40...0xff4b => self.ppu.borrow().get(address),
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:208:19
[INFO] [stdout]     |
[INFO] [stdout] 208 |             0xff80...0xfffe => self.high_ram[address as usize - 0xff80] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ppu.rs:492:19
[INFO] [stdout]     |
[INFO] [stdout] 492 |             0xfe00...0xfe9f => self.oam[address as usize - 0xfe00],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/save.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge/rom.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/cartridge/rom.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&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: `config`
[INFO] [stdout]   --> src/debug/debug_logger.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn should_skip(&self, config: &Config, record: &Record<'_>) -> bool {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3388:5
[INFO] [stdout]      |
[INFO] [stdout] 3388 |     core.registers.a = core.registers.a;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3440:5
[INFO] [stdout]      |
[INFO] [stdout] 3440 |     core.registers.l = core.registers.l;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3464:5
[INFO] [stdout]      |
[INFO] [stdout] 3464 |     core.registers.h = core.registers.h;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3488:5
[INFO] [stdout]      |
[INFO] [stdout] 3488 |     core.registers.e = core.registers.e;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3512:5
[INFO] [stdout]      |
[INFO] [stdout] 3512 |     core.registers.d = core.registers.d;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3536:5
[INFO] [stdout]      |
[INFO] [stdout] 3536 |     core.registers.c = core.registers.c;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3588:5
[INFO] [stdout]      |
[INFO] [stdout] 3588 |     core.registers.b = core.registers.b;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_ENABLE_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const INTERRUPT_ENABLE_REG: u16 = 0xFFFF;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_FLAG_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const INTERRUPT_FLAG_REG: u16 = 0xFF0F;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V_BLANK` is never used
[INFO] [stdout]   --> src/cpu.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const V_BLANK: u8 = 0x01;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_STAT` is never used
[INFO] [stdout]   --> src/cpu.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const LCD_STAT: u8 = 0x02;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMER` is never used
[INFO] [stdout]   --> src/cpu.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const TIMER: u8 = 0x04;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SERIAL` is never used
[INFO] [stdout]   --> src/cpu.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const SERIAL: u8 = 0x08;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D_PAD` is never used
[INFO] [stdout]   --> src/cpu.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const D_PAD: u8 = 0x10;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_serial` is never read
[INFO] [stdout]   --> src/memory/mmu.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MMU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     last_serial: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/ppu.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Sprite {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sprite` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     S: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     M: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `H` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     H: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DL` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     DL: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DH` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     DH: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/mbc3.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Read, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/rtc.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debug::message::DebugMessage`
[INFO] [stdout]  --> src/debug.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::debug::message::DebugMessage;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::emulator::Emulator`
[INFO] [stdout]  --> src/debug.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::emulator::Emulator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `TryRecvError`
[INFO] [stdout]   --> src/debug.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | use flume::{Receiver, TryRecvError};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder` and `JoinHandle`
[INFO] [stdout]   --> src/debug.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::thread::{Builder, JoinHandle};
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::interrupt::Flag::Joypad`
[INFO] [stdout]  --> src/display.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::interrupt::Flag::Joypad;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::registers::Flag`
[INFO] [stdout]  --> src/display/debug_canvas.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::registers::Flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FB_H` and `FB_W`
[INFO] [stdout]  --> src/display/game_canvas.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ppu::{PPUFramebuffer, FB_H, FB_W};
[INFO] [stdout]   |                                  ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piston_window::*`
[INFO] [stdout]  --> src/display/game_canvas.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use piston_window::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cartridge::load_cartridge`
[INFO] [stdout]  --> src/emulator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::cartridge::load_cartridge;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::instruction::InstructionSet`
[INFO] [stdout]  --> src/emulator.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::cpu::instruction::InstructionSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_framebuffer`
[INFO] [stdout]   --> src/emulator.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::ppu::{random_framebuffer, Mode, PPUFramebuffer};
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/memory/mmu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/memory/mmu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |             0x0000...0x7fff => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |             0xf40...0xff4b => self.ppu.borrow().get(address),
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:208:19
[INFO] [stdout]     |
[INFO] [stdout] 208 |             0xff80...0xfffe => self.high_ram[address as usize - 0xff80] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ppu.rs:492:19
[INFO] [stdout]     |
[INFO] [stdout] 492 |             0xfe00...0xfe9f => self.oam[address as usize - 0xfe00],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/save.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]   --> src/apu.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |             let format = cpal::Format {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge/rom.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&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/rom.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&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: `config`
[INFO] [stdout]   --> src/debug/debug_logger.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn should_skip(&self, config: &Config, record: &Record<'_>) -> bool {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/display.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     let mut key_pressed = match key {
[INFO] [stdout]    |                         ----^^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/display.rs:130:33
[INFO] [stdout]     |
[INFO] [stdout] 130 | ...                   let mut key_pressed = match key {
[INFO] [stdout]     |                           ----^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3388:5
[INFO] [stdout]      |
[INFO] [stdout] 3388 |     core.registers.a = core.registers.a;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3440:5
[INFO] [stdout]      |
[INFO] [stdout] 3440 |     core.registers.l = core.registers.l;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3464:5
[INFO] [stdout]      |
[INFO] [stdout] 3464 |     core.registers.h = core.registers.h;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3488:5
[INFO] [stdout]      |
[INFO] [stdout] 3488 |     core.registers.e = core.registers.e;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3512:5
[INFO] [stdout]      |
[INFO] [stdout] 3512 |     core.registers.d = core.registers.d;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3536:5
[INFO] [stdout]      |
[INFO] [stdout] 3536 |     core.registers.c = core.registers.c;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3588:5
[INFO] [stdout]      |
[INFO] [stdout] 3588 |     core.registers.b = core.registers.b;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_ENABLE_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const INTERRUPT_ENABLE_REG: u16 = 0xFFFF;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_FLAG_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const INTERRUPT_FLAG_REG: u16 = 0xFF0F;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V_BLANK` is never used
[INFO] [stdout]   --> src/cpu.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const V_BLANK: u8 = 0x01;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_STAT` is never used
[INFO] [stdout]   --> src/cpu.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const LCD_STAT: u8 = 0x02;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMER` is never used
[INFO] [stdout]   --> src/cpu.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const TIMER: u8 = 0x04;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SERIAL` is never used
[INFO] [stdout]   --> src/cpu.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const SERIAL: u8 = 0x08;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D_PAD` is never used
[INFO] [stdout]   --> src/cpu.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const D_PAD: u8 = 0x10;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flip` is never used
[INFO] [stdout]    --> src/cpu.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout]  94 | impl ClockedCPU {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 249 |     pub fn flip(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opcode` is never read
[INFO] [stdout]   --> src/cpu/instruction.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Instruction {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 12 |     pub name: &'static str,
[INFO] [stdout] 13 |     pub opcode: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Serial` is never constructed
[INFO] [stdout]  --> src/cpu/interrupt.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Flag {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Serial = 3,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Flag` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FB_W` is never used
[INFO] [stdout]   --> src/debug.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const FB_W: usize = 160;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FB_H` is never used
[INFO] [stdout]   --> src/debug.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const FB_H: usize = 144;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PeekValue` is never constructed
[INFO] [stdout]  --> src/debug/command.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum DebugCommand {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 3 |     PeekValue(u16),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DebugCommand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Debuggable` is never used
[INFO] [stdout]  --> src/debug/debuggable.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Debuggable {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/debug/message.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     MemoryUpdate(Vec<u8>),
[INFO] [stdout]   |     ------------ ^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DebugMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     MemoryUpdate(Vec<u8>),
[INFO] [stdout] 9 +     MemoryUpdate(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DebugCommand` is never constructed
[INFO] [stdout]  --> src/debug/message.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum DebugMessage {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 7 |     LogUpdate(String),
[INFO] [stdout] 8 |     DebugCommand(DebugCommand),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DebugMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_tile_canvas` is never used
[INFO] [stdout]    --> src/display/debug_canvas.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn update_tile_canvas(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PIXEL_COLOUR_STRIDE` is never used
[INFO] [stdout]    --> src/display/debug_canvas.rs:189:11
[INFO] [stdout]     |
[INFO] [stdout] 189 |     const PIXEL_COLOUR_STRIDE: usize = 4;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_serial` is never read
[INFO] [stdout]   --> src/memory/mmu.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MMU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     last_serial: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/ppu.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Sprite {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sprite` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_framebuffer` is never used
[INFO] [stdout]    --> src/ppu.rs:624:8
[INFO] [stdout]     |
[INFO] [stdout] 624 | pub fn random_framebuffer() -> PPUFramebuffer {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     S: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     M: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `H` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     H: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DL` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     DL: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DH` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     DH: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "b84e550efbdddc47ceabed4dbaec86fdecba6e652c69cf555317eba0513dfbba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84e550efbdddc47ceabed4dbaec86fdecba6e652c69cf555317eba0513dfbba", kill_on_drop: false }`
[INFO] [stdout] b84e550efbdddc47ceabed4dbaec86fdecba6e652c69cf555317eba0513dfbba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94bc795fabec6b6fb83a0edcbfcf3b513aed6605a862cd2ff8fd89533591af87
[INFO] running `Command { std: "docker" "start" "-a" "94bc795fabec6b6fb83a0edcbfcf3b513aed6605a862cd2ff8fd89533591af87", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/mbc3.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Read, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/rtc.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debug::message::DebugMessage`
[INFO] [stdout]  --> src/debug.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::debug::message::DebugMessage;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::emulator::Emulator`
[INFO] [stdout]  --> src/debug.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::emulator::Emulator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `TryRecvError`
[INFO] [stdout]   --> src/debug.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | use flume::{Receiver, TryRecvError};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder` and `JoinHandle`
[INFO] [stdout]   --> src/debug.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::thread::{Builder, JoinHandle};
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cartridge::load_cartridge`
[INFO] [stdout]  --> src/emulator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::cartridge::load_cartridge;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::instruction::InstructionSet`
[INFO] [stdout]  --> src/emulator.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::cpu::instruction::InstructionSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_framebuffer`
[INFO] [stdout]   --> src/emulator.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::ppu::{random_framebuffer, Mode, PPUFramebuffer};
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/memory/mmu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/memory/mmu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |             0x0000...0x7fff => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |             0xf40...0xff4b => self.ppu.borrow().get(address),
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:208:19
[INFO] [stdout]     |
[INFO] [stdout] 208 |             0xff80...0xfffe => self.high_ram[address as usize - 0xff80] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ppu.rs:492:19
[INFO] [stdout]     |
[INFO] [stdout] 492 |             0xfe00...0xfe9f => self.oam[address as usize - 0xfe00],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/save.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge/rom.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/cartridge/rom.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&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: `config`
[INFO] [stdout]   --> src/debug/debug_logger.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn should_skip(&self, config: &Config, record: &Record<'_>) -> bool {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3388:5
[INFO] [stdout]      |
[INFO] [stdout] 3388 |     core.registers.a = core.registers.a;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3440:5
[INFO] [stdout]      |
[INFO] [stdout] 3440 |     core.registers.l = core.registers.l;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3464:5
[INFO] [stdout]      |
[INFO] [stdout] 3464 |     core.registers.h = core.registers.h;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3488:5
[INFO] [stdout]      |
[INFO] [stdout] 3488 |     core.registers.e = core.registers.e;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3512:5
[INFO] [stdout]      |
[INFO] [stdout] 3512 |     core.registers.d = core.registers.d;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3536:5
[INFO] [stdout]      |
[INFO] [stdout] 3536 |     core.registers.c = core.registers.c;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3588:5
[INFO] [stdout]      |
[INFO] [stdout] 3588 |     core.registers.b = core.registers.b;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_ENABLE_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const INTERRUPT_ENABLE_REG: u16 = 0xFFFF;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_FLAG_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const INTERRUPT_FLAG_REG: u16 = 0xFF0F;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V_BLANK` is never used
[INFO] [stdout]   --> src/cpu.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const V_BLANK: u8 = 0x01;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_STAT` is never used
[INFO] [stdout]   --> src/cpu.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const LCD_STAT: u8 = 0x02;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMER` is never used
[INFO] [stdout]   --> src/cpu.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const TIMER: u8 = 0x04;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SERIAL` is never used
[INFO] [stdout]   --> src/cpu.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const SERIAL: u8 = 0x08;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D_PAD` is never used
[INFO] [stdout]   --> src/cpu.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const D_PAD: u8 = 0x10;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_serial` is never read
[INFO] [stdout]   --> src/memory/mmu.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MMU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     last_serial: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/ppu.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Sprite {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sprite` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     S: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     M: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `H` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     H: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DL` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     DL: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DH` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     DH: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/mbc3.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Read, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/rtc.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debug::message::DebugMessage`
[INFO] [stdout]  --> src/debug.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::debug::message::DebugMessage;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::emulator::Emulator`
[INFO] [stdout]  --> src/debug.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::emulator::Emulator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `TryRecvError`
[INFO] [stdout]   --> src/debug.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | use flume::{Receiver, TryRecvError};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder` and `JoinHandle`
[INFO] [stdout]   --> src/debug.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::thread::{Builder, JoinHandle};
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::interrupt::Flag::Joypad`
[INFO] [stdout]  --> src/display.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::interrupt::Flag::Joypad;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::registers::Flag`
[INFO] [stdout]  --> src/display/debug_canvas.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::registers::Flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FB_H` and `FB_W`
[INFO] [stdout]  --> src/display/game_canvas.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ppu::{PPUFramebuffer, FB_H, FB_W};
[INFO] [stdout]   |                                  ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piston_window::*`
[INFO] [stdout]  --> src/display/game_canvas.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use piston_window::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cartridge::load_cartridge`
[INFO] [stdout]  --> src/emulator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::cartridge::load_cartridge;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::instruction::InstructionSet`
[INFO] [stdout]  --> src/emulator.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::cpu::instruction::InstructionSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_framebuffer`
[INFO] [stdout]   --> src/emulator.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::ppu::{random_framebuffer, Mode, PPUFramebuffer};
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/memory/mmu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/memory/mmu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |             0x0000...0x7fff => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |             0xf40...0xff4b => self.ppu.borrow().get(address),
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:208:19
[INFO] [stdout]     |
[INFO] [stdout] 208 |             0xff80...0xfffe => self.high_ram[address as usize - 0xff80] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ppu.rs:492:19
[INFO] [stdout]     |
[INFO] [stdout] 492 |             0xfe00...0xfe9f => self.oam[address as usize - 0xfe00],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/save.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]   --> src/apu.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |             let format = cpal::Format {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge/rom.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&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/rom.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&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: `config`
[INFO] [stdout]   --> src/debug/debug_logger.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn should_skip(&self, config: &Config, record: &Record<'_>) -> bool {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/display.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     let mut key_pressed = match key {
[INFO] [stdout]    |                         ----^^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/display.rs:130:33
[INFO] [stdout]     |
[INFO] [stdout] 130 | ...                   let mut key_pressed = match key {
[INFO] [stdout]     |                           ----^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3388:5
[INFO] [stdout]      |
[INFO] [stdout] 3388 |     core.registers.a = core.registers.a;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3440:5
[INFO] [stdout]      |
[INFO] [stdout] 3440 |     core.registers.l = core.registers.l;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3464:5
[INFO] [stdout]      |
[INFO] [stdout] 3464 |     core.registers.h = core.registers.h;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3488:5
[INFO] [stdout]      |
[INFO] [stdout] 3488 |     core.registers.e = core.registers.e;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3512:5
[INFO] [stdout]      |
[INFO] [stdout] 3512 |     core.registers.d = core.registers.d;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3536:5
[INFO] [stdout]      |
[INFO] [stdout] 3536 |     core.registers.c = core.registers.c;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3588:5
[INFO] [stdout]      |
[INFO] [stdout] 3588 |     core.registers.b = core.registers.b;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_ENABLE_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const INTERRUPT_ENABLE_REG: u16 = 0xFFFF;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_FLAG_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const INTERRUPT_FLAG_REG: u16 = 0xFF0F;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V_BLANK` is never used
[INFO] [stdout]   --> src/cpu.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const V_BLANK: u8 = 0x01;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_STAT` is never used
[INFO] [stdout]   --> src/cpu.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const LCD_STAT: u8 = 0x02;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMER` is never used
[INFO] [stdout]   --> src/cpu.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const TIMER: u8 = 0x04;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SERIAL` is never used
[INFO] [stdout]   --> src/cpu.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const SERIAL: u8 = 0x08;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D_PAD` is never used
[INFO] [stdout]   --> src/cpu.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const D_PAD: u8 = 0x10;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flip` is never used
[INFO] [stdout]    --> src/cpu.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout]  94 | impl ClockedCPU {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 249 |     pub fn flip(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opcode` is never read
[INFO] [stdout]   --> src/cpu/instruction.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Instruction {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 12 |     pub name: &'static str,
[INFO] [stdout] 13 |     pub opcode: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Serial` is never constructed
[INFO] [stdout]  --> src/cpu/interrupt.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Flag {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Serial = 3,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Flag` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FB_W` is never used
[INFO] [stdout]   --> src/debug.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const FB_W: usize = 160;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FB_H` is never used
[INFO] [stdout]   --> src/debug.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const FB_H: usize = 144;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PeekValue` is never constructed
[INFO] [stdout]  --> src/debug/command.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum DebugCommand {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 3 |     PeekValue(u16),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DebugCommand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Debuggable` is never used
[INFO] [stdout]  --> src/debug/debuggable.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Debuggable {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/debug/message.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     MemoryUpdate(Vec<u8>),
[INFO] [stdout]   |     ------------ ^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DebugMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     MemoryUpdate(Vec<u8>),
[INFO] [stdout] 9 +     MemoryUpdate(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DebugCommand` is never constructed
[INFO] [stdout]  --> src/debug/message.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum DebugMessage {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 7 |     LogUpdate(String),
[INFO] [stdout] 8 |     DebugCommand(DebugCommand),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DebugMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_tile_canvas` is never used
[INFO] [stdout]    --> src/display/debug_canvas.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn update_tile_canvas(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PIXEL_COLOUR_STRIDE` is never used
[INFO] [stdout]    --> src/display/debug_canvas.rs:189:11
[INFO] [stdout]     |
[INFO] [stdout] 189 |     const PIXEL_COLOUR_STRIDE: usize = 4;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_serial` is never read
[INFO] [stdout]   --> src/memory/mmu.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MMU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     last_serial: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/ppu.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Sprite {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sprite` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_framebuffer` is never used
[INFO] [stdout]    --> src/ppu.rs:624:8
[INFO] [stdout]     |
[INFO] [stdout] 624 | pub fn random_framebuffer() -> PPUFramebuffer {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     S: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     M: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `H` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     H: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DL` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     DL: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DH` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     DH: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rgb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rgb::emulator::Emulator`
[INFO] [stdout]  --> tests/cpu_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rgb::emulator::Emulator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/mbc3.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Read, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/rtc.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debug::message::DebugMessage`
[INFO] [stdout]  --> src/debug.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::debug::message::DebugMessage;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::emulator::Emulator`
[INFO] [stdout]  --> src/debug.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::emulator::Emulator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `TryRecvError`
[INFO] [stdout]   --> src/debug.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | use flume::{Receiver, TryRecvError};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder` and `JoinHandle`
[INFO] [stdout]   --> src/debug.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::thread::{Builder, JoinHandle};
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cartridge::load_cartridge`
[INFO] [stdout]  --> src/emulator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::cartridge::load_cartridge;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::instruction::InstructionSet`
[INFO] [stdout]  --> src/emulator.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::cpu::instruction::InstructionSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_framebuffer`
[INFO] [stdout]   --> src/emulator.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::ppu::{random_framebuffer, Mode, PPUFramebuffer};
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/memory/mmu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/memory/mmu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |             0x0000...0x7fff => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |             0xf40...0xff4b => self.ppu.borrow().get(address),
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:208:19
[INFO] [stdout]     |
[INFO] [stdout] 208 |             0xff80...0xfffe => self.high_ram[address as usize - 0xff80] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ppu.rs:492:19
[INFO] [stdout]     |
[INFO] [stdout] 492 |             0xfe00...0xfe9f => self.oam[address as usize - 0xfe00],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/save.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/mbc3.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Read, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/cartridge/rtc.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debug::message::DebugMessage`
[INFO] [stdout]  --> src/debug.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::debug::message::DebugMessage;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::emulator::Emulator`
[INFO] [stdout]  --> src/debug.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::emulator::Emulator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `TryRecvError`
[INFO] [stdout]   --> src/debug.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | use flume::{Receiver, TryRecvError};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder` and `JoinHandle`
[INFO] [stdout]   --> src/debug.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::thread::{Builder, JoinHandle};
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::interrupt::Flag::Joypad`
[INFO] [stdout]  --> src/display.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::interrupt::Flag::Joypad;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::registers::Flag`
[INFO] [stdout]  --> src/display/debug_canvas.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::registers::Flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FB_H` and `FB_W`
[INFO] [stdout]  --> src/display/game_canvas.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ppu::{PPUFramebuffer, FB_H, FB_W};
[INFO] [stdout]   |                                  ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piston_window::*`
[INFO] [stdout]  --> src/display/game_canvas.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use piston_window::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cartridge::load_cartridge`
[INFO] [stdout]  --> src/emulator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::cartridge::load_cartridge;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::instruction::InstructionSet`
[INFO] [stdout]  --> src/emulator.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::cpu::instruction::InstructionSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_framebuffer`
[INFO] [stdout]   --> src/emulator.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::ppu::{random_framebuffer, Mode, PPUFramebuffer};
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/memory/mmu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/memory/mmu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |             0x0000...0x7fff => {
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |             0xf40...0xff4b => self.ppu.borrow().get(address),
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memory/mmu.rs:208:19
[INFO] [stdout]     |
[INFO] [stdout] 208 |             0xff80...0xfffe => self.high_ram[address as usize - 0xff80] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ppu.rs:492:19
[INFO] [stdout]     |
[INFO] [stdout] 492 |             0xfe00...0xfe9f => self.oam[address as usize - 0xfe00],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/save.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge/rom.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/cartridge/rom.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&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: `format`
[INFO] [stdout]   --> src/apu.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |             let format = cpal::Format {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge/rom.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&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/rom.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set(&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: `config`
[INFO] [stdout]   --> src/debug/debug_logger.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn should_skip(&self, config: &Config, record: &Record<'_>) -> bool {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3388:5
[INFO] [stdout]      |
[INFO] [stdout] 3388 |     core.registers.a = core.registers.a;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3440:5
[INFO] [stdout]      |
[INFO] [stdout] 3440 |     core.registers.l = core.registers.l;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3464:5
[INFO] [stdout]      |
[INFO] [stdout] 3464 |     core.registers.h = core.registers.h;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3488:5
[INFO] [stdout]      |
[INFO] [stdout] 3488 |     core.registers.e = core.registers.e;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3512:5
[INFO] [stdout]      |
[INFO] [stdout] 3512 |     core.registers.d = core.registers.d;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3536:5
[INFO] [stdout]      |
[INFO] [stdout] 3536 |     core.registers.c = core.registers.c;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3588:5
[INFO] [stdout]      |
[INFO] [stdout] 3588 |     core.registers.b = core.registers.b;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_ENABLE_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const INTERRUPT_ENABLE_REG: u16 = 0xFFFF;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_FLAG_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const INTERRUPT_FLAG_REG: u16 = 0xFF0F;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V_BLANK` is never used
[INFO] [stdout]   --> src/cpu.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const V_BLANK: u8 = 0x01;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_STAT` is never used
[INFO] [stdout]   --> src/cpu.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const LCD_STAT: u8 = 0x02;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMER` is never used
[INFO] [stdout]   --> src/cpu.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const TIMER: u8 = 0x04;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SERIAL` is never used
[INFO] [stdout]   --> src/cpu.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const SERIAL: u8 = 0x08;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D_PAD` is never used
[INFO] [stdout]   --> src/cpu.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const D_PAD: u8 = 0x10;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_serial` is never read
[INFO] [stdout]   --> src/memory/mmu.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MMU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     last_serial: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/ppu.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Sprite {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sprite` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     S: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     M: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `H` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     H: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DL` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     DL: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DH` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     DH: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/debug/debug_logger.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn should_skip(&self, config: &Config, record: &Record<'_>) -> bool {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/display.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     let mut key_pressed = match key {
[INFO] [stdout]    |                         ----^^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/display.rs:130:33
[INFO] [stdout]     |
[INFO] [stdout] 130 | ...                   let mut key_pressed = match key {
[INFO] [stdout]     |                           ----^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3388:5
[INFO] [stdout]      |
[INFO] [stdout] 3388 |     core.registers.a = core.registers.a;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3440:5
[INFO] [stdout]      |
[INFO] [stdout] 3440 |     core.registers.l = core.registers.l;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3464:5
[INFO] [stdout]      |
[INFO] [stdout] 3464 |     core.registers.h = core.registers.h;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3488:5
[INFO] [stdout]      |
[INFO] [stdout] 3488 |     core.registers.e = core.registers.e;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3512:5
[INFO] [stdout]      |
[INFO] [stdout] 3512 |     core.registers.d = core.registers.d;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3536:5
[INFO] [stdout]      |
[INFO] [stdout] 3536 |     core.registers.c = core.registers.c;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]     --> src/cpu/instruction.rs:3588:5
[INFO] [stdout]      |
[INFO] [stdout] 3588 |     core.registers.b = core.registers.b;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_ENABLE_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const INTERRUPT_ENABLE_REG: u16 = 0xFFFF;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERRUPT_FLAG_REG` is never used
[INFO] [stdout]   --> src/cpu.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const INTERRUPT_FLAG_REG: u16 = 0xFF0F;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V_BLANK` is never used
[INFO] [stdout]   --> src/cpu.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const V_BLANK: u8 = 0x01;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_STAT` is never used
[INFO] [stdout]   --> src/cpu.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const LCD_STAT: u8 = 0x02;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMER` is never used
[INFO] [stdout]   --> src/cpu.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const TIMER: u8 = 0x04;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SERIAL` is never used
[INFO] [stdout]   --> src/cpu.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const SERIAL: u8 = 0x08;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D_PAD` is never used
[INFO] [stdout]   --> src/cpu.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const D_PAD: u8 = 0x10;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flip` is never used
[INFO] [stdout]    --> src/cpu.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout]  94 | impl ClockedCPU {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 249 |     pub fn flip(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opcode` is never read
[INFO] [stdout]   --> src/cpu/instruction.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Instruction {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 12 |     pub name: &'static str,
[INFO] [stdout] 13 |     pub opcode: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Serial` is never constructed
[INFO] [stdout]  --> src/cpu/interrupt.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Flag {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Serial = 3,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Flag` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FB_W` is never used
[INFO] [stdout]   --> src/debug.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const FB_W: usize = 160;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FB_H` is never used
[INFO] [stdout]   --> src/debug.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const FB_H: usize = 144;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PeekValue` is never constructed
[INFO] [stdout]  --> src/debug/command.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum DebugCommand {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 3 |     PeekValue(u16),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DebugCommand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Debuggable` is never used
[INFO] [stdout]  --> src/debug/debuggable.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Debuggable {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/debug/message.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     MemoryUpdate(Vec<u8>),
[INFO] [stdout]   |     ------------ ^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DebugMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     MemoryUpdate(Vec<u8>),
[INFO] [stdout] 9 +     MemoryUpdate(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DebugCommand` is never constructed
[INFO] [stdout]  --> src/debug/message.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum DebugMessage {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 7 |     LogUpdate(String),
[INFO] [stdout] 8 |     DebugCommand(DebugCommand),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DebugMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_tile_canvas` is never used
[INFO] [stdout]    --> src/display/debug_canvas.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn update_tile_canvas(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PIXEL_COLOUR_STRIDE` is never used
[INFO] [stdout]    --> src/display/debug_canvas.rs:189:11
[INFO] [stdout]     |
[INFO] [stdout] 189 |     const PIXEL_COLOUR_STRIDE: usize = 4;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_serial` is never read
[INFO] [stdout]   --> src/memory/mmu.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MMU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     last_serial: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/ppu.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Sprite {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sprite` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_framebuffer` is never used
[INFO] [stdout]    --> src/ppu.rs:624:8
[INFO] [stdout]     |
[INFO] [stdout] 624 | pub fn random_framebuffer() -> PPUFramebuffer {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     S: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     M: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `H` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     H: u8,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DL` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     DL: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DH` should have a snake case name
[INFO] [stdout]   --> src/cartridge/rtc.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     DH: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "94bc795fabec6b6fb83a0edcbfcf3b513aed6605a862cd2ff8fd89533591af87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94bc795fabec6b6fb83a0edcbfcf3b513aed6605a862cd2ff8fd89533591af87", kill_on_drop: false }`
[INFO] [stdout] 94bc795fabec6b6fb83a0edcbfcf3b513aed6605a862cd2ff8fd89533591af87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5c30d213a6aa49481e9604455c2c4ebf4d637583bb7cd92296a0f7cd36953ca
[INFO] running `Command { std: "docker" "start" "-a" "c5c30d213a6aa49481e9604455c2c4ebf4d637583bb7cd92296a0f7cd36953ca", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/cartridge/mbc3.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Error, Read, Write};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/cartridge/rtc.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Error, Write};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::debug::message::DebugMessage`
[INFO] [stderr]  --> src/debug.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::debug::message::DebugMessage;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::emulator::Emulator`
[INFO] [stderr]  --> src/debug.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::emulator::Emulator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver` and `TryRecvError`
[INFO] [stderr]   --> src/debug.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 | use flume::{Receiver, TryRecvError};
[INFO] [stderr]    |             ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Builder` and `JoinHandle`
[INFO] [stderr]   --> src/debug.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::thread::{Builder, JoinHandle};
[INFO] [stderr]    |                   ^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::cartridge::load_cartridge`
[INFO] [stderr]  --> src/emulator.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::cartridge::load_cartridge;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::cpu::instruction::InstructionSet`
[INFO] [stderr]  --> src/emulator.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::cpu::instruction::InstructionSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `random_framebuffer`
[INFO] [stderr]   --> src/emulator.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::ppu::{random_framebuffer, Mode, PPUFramebuffer};
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/memory/mmu.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/memory/mmu.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/memory/mmu.rs:122:19
[INFO] [stderr]     |
[INFO] [stderr] 122 |             0x0000...0x7fff => {
[INFO] [stderr]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/memory/mmu.rs:155:18
[INFO] [stderr]     |
[INFO] [stderr] 155 |             0xf40...0xff4b => self.ppu.borrow().get(address),
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/memory/mmu.rs:208:19
[INFO] [stderr]     |
[INFO] [stderr] 208 |             0xff80...0xfffe => self.high_ram[address as usize - 0xff80] = value,
[INFO] [stderr]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ppu.rs:492:19
[INFO] [stderr]     |
[INFO] [stderr] 492 |             0xfe00...0xfe9f => self.oam[address as usize - 0xfe00],
[INFO] [stderr]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/save.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]   --> src/cartridge/rom.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn set(&mut self, address: u16, value: u8) {
[INFO] [stderr]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/cartridge/rom.rs:21:37
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn set(&mut self, address: u16, value: u8) {
[INFO] [stderr]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/debug/debug_logger.rs:34:31
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn should_skip(&self, config: &Config, record: &Record<'_>) -> bool {
[INFO] [stderr]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: useless assignment of field of type `u8` to itself
[INFO] [stderr]     --> src/cpu/instruction.rs:3388:5
[INFO] [stderr]      |
[INFO] [stderr] 3388 |     core.registers.a = core.registers.a;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: useless assignment of field of type `u8` to itself
[INFO] [stderr]     --> src/cpu/instruction.rs:3440:5
[INFO] [stderr]      |
[INFO] [stderr] 3440 |     core.registers.l = core.registers.l;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: useless assignment of field of type `u8` to itself
[INFO] [stderr]     --> src/cpu/instruction.rs:3464:5
[INFO] [stderr]      |
[INFO] [stderr] 3464 |     core.registers.h = core.registers.h;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: useless assignment of field of type `u8` to itself
[INFO] [stderr]     --> src/cpu/instruction.rs:3488:5
[INFO] [stderr]      |
[INFO] [stderr] 3488 |     core.registers.e = core.registers.e;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: useless assignment of field of type `u8` to itself
[INFO] [stderr]     --> src/cpu/instruction.rs:3512:5
[INFO] [stderr]      |
[INFO] [stderr] 3512 |     core.registers.d = core.registers.d;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: useless assignment of field of type `u8` to itself
[INFO] [stderr]     --> src/cpu/instruction.rs:3536:5
[INFO] [stderr]      |
[INFO] [stderr] 3536 |     core.registers.c = core.registers.c;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: useless assignment of field of type `u8` to itself
[INFO] [stderr]     --> src/cpu/instruction.rs:3588:5
[INFO] [stderr]      |
[INFO] [stderr] 3588 |     core.registers.b = core.registers.b;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `INTERRUPT_ENABLE_REG` is never used
[INFO] [stderr]   --> src/cpu.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 22 | const INTERRUPT_ENABLE_REG: u16 = 0xFFFF;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `INTERRUPT_FLAG_REG` is never used
[INFO] [stderr]   --> src/cpu.rs:23:7
[INFO] [stderr]    |
[INFO] [stderr] 23 | const INTERRUPT_FLAG_REG: u16 = 0xFF0F;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `V_BLANK` is never used
[INFO] [stderr]   --> src/cpu.rs:25:7
[INFO] [stderr]    |
[INFO] [stderr] 25 | const V_BLANK: u8 = 0x01;
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LCD_STAT` is never used
[INFO] [stderr]   --> src/cpu.rs:26:7
[INFO] [stderr]    |
[INFO] [stderr] 26 | const LCD_STAT: u8 = 0x02;
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TIMER` is never used
[INFO] [stderr]   --> src/cpu.rs:27:7
[INFO] [stderr]    |
[INFO] [stderr] 27 | const TIMER: u8 = 0x04;
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SERIAL` is never used
[INFO] [stderr]   --> src/cpu.rs:28:7
[INFO] [stderr]    |
[INFO] [stderr] 28 | const SERIAL: u8 = 0x08;
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `D_PAD` is never used
[INFO] [stderr]   --> src/cpu.rs:29:7
[INFO] [stderr]    |
[INFO] [stderr] 29 | const D_PAD: u8 = 0x10;
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `last_serial` is never read
[INFO] [stderr]   --> src/memory/mmu.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct MMU {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 21 |     last_serial: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `index` is never read
[INFO] [stderr]   --> src/ppu.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub struct Sprite {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 88 |     index: usize,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Sprite` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `S` should have a snake case name
[INFO] [stderr]   --> src/cartridge/rtc.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     S: u8,
[INFO] [stderr]    |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `M` should have a snake case name
[INFO] [stderr]   --> src/cartridge/rtc.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     M: u8,
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `H` should have a snake case name
[INFO] [stderr]   --> src/cartridge/rtc.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     H: u8,
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `h`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `DL` should have a snake case name
[INFO] [stderr]   --> src/cartridge/rtc.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     DL: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `dl`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `DH` should have a snake case name
[INFO] [stderr]   --> src/cartridge/rtc.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     DH: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `dh`
[INFO] [stderr] 
[INFO] [stderr] warning: `rgb` (lib) generated 40 warnings (run `cargo fix --lib -p rgb` to apply 19 suggestions)
[INFO] [stderr] warning: unused import: `crate::cpu::interrupt::Flag::Joypad`
[INFO] [stderr]  --> src/display.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::cpu::interrupt::Flag::Joypad;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::cpu::registers::Flag`
[INFO] [stderr]  --> src/display/debug_canvas.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::cpu::registers::Flag;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FB_H` and `FB_W`
[INFO] [stderr]  --> src/display/game_canvas.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::ppu::{PPUFramebuffer, FB_H, FB_W};
[INFO] [stderr]   |                                  ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston_window::*`
[INFO] [stderr]  --> src/display/game_canvas.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use piston_window::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `format`
[INFO] [stderr]   --> src/apu.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 |             let format = cpal::Format {
[INFO] [stderr]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]   --> src/cartridge/rom.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn set(&mut self, address: u16, value: u8) {
[INFO] [stderr]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/display.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     let mut key_pressed = match key {
[INFO] [stderr]    |                         ----^^^^^^^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/display.rs:130:33
[INFO] [stderr]     |
[INFO] [stderr] 130 | ...                   let mut key_pressed = match key {
[INFO] [stderr]     |                           ----^^^^^^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method `flip` is never used
[INFO] [stderr]    --> src/cpu.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr]  94 | impl ClockedCPU {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 249 |     pub fn flip(&mut self) -> bool {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `opcode` is never read
[INFO] [stderr]   --> src/cpu/instruction.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Instruction {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 12 |     pub name: &'static str,
[INFO] [stderr] 13 |     pub opcode: u8,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Serial` is never constructed
[INFO] [stderr]  --> src/cpu/interrupt.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum Flag {
[INFO] [stderr]   |          ---- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 7 |     Serial = 3,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Flag` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FB_W` is never used
[INFO] [stderr]   --> src/debug.rs:22:11
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub const FB_W: usize = 160;
[INFO] [stderr]    |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FB_H` is never used
[INFO] [stderr]   --> src/debug.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub const FB_H: usize = 144;
[INFO] [stderr]    |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `PeekValue` is never constructed
[INFO] [stderr]  --> src/debug/command.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum DebugCommand {
[INFO] [stderr]   |          ------------ variant in this enum
[INFO] [stderr] 3 |     PeekValue(u16),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `DebugCommand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Debuggable` is never used
[INFO] [stderr]  --> src/debug/debuggable.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub trait Debuggable {
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/debug/message.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 |     MemoryUpdate(Vec<u8>),
[INFO] [stderr]   |     ------------ ^^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `DebugMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 9 -     MemoryUpdate(Vec<u8>),
[INFO] [stderr] 9 +     MemoryUpdate(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: variant `DebugCommand` is never constructed
[INFO] [stderr]  --> src/debug/message.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum DebugMessage {
[INFO] [stderr]   |          ------------ variant in this enum
[INFO] [stderr] 7 |     LogUpdate(String),
[INFO] [stderr] 8 |     DebugCommand(DebugCommand),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `DebugMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `update_tile_canvas` is never used
[INFO] [stderr]    --> src/display/debug_canvas.rs:161:8
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn update_tile_canvas(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PIXEL_COLOUR_STRIDE` is never used
[INFO] [stderr]    --> src/display/debug_canvas.rs:189:11
[INFO] [stderr]     |
[INFO] [stderr] 189 |     const PIXEL_COLOUR_STRIDE: usize = 4;
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_framebuffer` is never used
[INFO] [stderr]    --> src/ppu.rs:624:8
[INFO] [stderr]     |
[INFO] [stderr] 624 | pub fn random_framebuffer() -> PPUFramebuffer {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rgb::emulator::Emulator`
[INFO] [stderr]  --> tests/cpu_test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rgb::emulator::Emulator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rgb` (lib test) generated 40 warnings (40 duplicates)
[INFO] [stderr] warning: `rgb` (bin "rgb") generated 59 warnings (39 duplicates) (run `cargo fix --bin "rgb" -p rgb` to apply 8 suggestions)
[INFO] [stderr] warning: `rgb` (test "cpu_test") generated 1 warning (run `cargo fix --test "cpu_test" -p rgb` to apply 1 suggestion)
[INFO] [stderr] warning: `rgb` (bin "rgb" test) generated 59 warnings (59 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rgb-d286334e8f96a158)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rgb-ed3399eb9b9c3b4f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cpu_test.rs (/opt/rustwide/target/debug/deps/cpu_test-f0769379e5dcd7da)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test run_cpu_tests ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- run_cpu_tests stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'run_cpu_tests' (27) panicked at src/util/file.rs:4:46:
[INFO] [stdout] File not there: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63d0af66a912 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63d0af66a912 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63d0af66a912 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x63d0af66a912 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x63d0af67f18a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x63d0af67f18a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x63d0af66f746 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x63d0af66f746 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x63d0af648c8f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x63d0af648c8f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x63d0af662b29 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x63d0af58bf4e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x63d0af58bf4e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x63d0af662ce2 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x63d0af662ce2 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x63d0af648d48 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x63d0af640719 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x63d0af649b9d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x63d0af67f87c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x63d0af67f602 - core[c5ed12ab89cc536a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x63d0af5ee96e - <core[c5ed12ab89cc536a]::result::Result<std[716c9a7a72e5c14e]::fs::File, std[716c9a7a72e5c14e]::io::error::Error>>::expect
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x63d0af5f2a9c - rgb[1e297dd4b65710e5]::util::file::buffer_from_file
[INFO] [stdout]                                at /opt/rustwide/workdir/src/util/file.rs:4:46
[INFO] [stdout]   22:     0x63d0af5f2914 - rgb[1e297dd4b65710e5]::util::get_rom
[INFO] [stdout]                                at /opt/rustwide/workdir/src/util.rs:16:22
[INFO] [stdout]   23:     0x63d0af57eccf - cpu_test[b81252f40cd5a63d]::run_cpu_tests
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cpu_test.rs:78:15
[INFO] [stdout]   24:     0x63d0af57ec37 - cpu_test[b81252f40cd5a63d]::run_cpu_tests::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cpu_test.rs:77:19
[INFO] [stdout]   25:     0x63d0af580156 - <cpu_test[b81252f40cd5a63d]::run_cpu_tests::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x63d0af5802fb - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x63d0af5802fb - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   28:     0x63d0af58cb5a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   29:     0x63d0af58cb5a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   30:     0x63d0af58cb5a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x63d0af58cb5a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x63d0af58cb5a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x63d0af58cb5a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   34:     0x63d0af58cb5a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   35:     0x63d0af587024 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   36:     0x63d0af587024 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   37:     0x63d0af58f652 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   38:     0x63d0af58f652 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   39:     0x63d0af58f652 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   40:     0x63d0af58f652 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   41:     0x63d0af58f652 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x63d0af58f652 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   43:     0x63d0af58f652 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x63d0af66a1bf - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   45:     0x63d0af66a1bf - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   46:     0x74fd096a1aa4 - <unknown>
[INFO] [stdout]   47:     0x74fd0972ea64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     run_cpu_tests
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test cpu_test`
[INFO] running `Command { std: "docker" "inspect" "c5c30d213a6aa49481e9604455c2c4ebf4d637583bb7cd92296a0f7cd36953ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c30d213a6aa49481e9604455c2c4ebf4d637583bb7cd92296a0f7cd36953ca", kill_on_drop: false }`
[INFO] [stdout] c5c30d213a6aa49481e9604455c2c4ebf4d637583bb7cd92296a0f7cd36953ca
