[INFO] fetching crate ruboy_lib 0.1.7...
[INFO] checking ruboy_lib-0.1.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ruboy_lib 0.1.7 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ruboy_lib 0.1.7
[INFO] finished tweaking crates.io crate ruboy_lib 0.1.7
[INFO] tweaked toml for crates.io crate ruboy_lib 0.1.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruboy_lib 0.1.7 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4b75aa57d15d8d558e0477a7c6c81ac92eed5f6e93f7e494f19261cae512e17
[INFO] running `Command { std: "docker" "start" "-a" "e4b75aa57d15d8d558e0477a7c6c81ac92eed5f6e93f7e494f19261cae512e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4b75aa57d15d8d558e0477a7c6c81ac92eed5f6e93f7e494f19261cae512e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b75aa57d15d8d558e0477a7c6c81ac92eed5f6e93f7e494f19261cae512e17", kill_on_drop: false }`
[INFO] [stdout] e4b75aa57d15d8d558e0477a7c6c81ac92eed5f6e93f7e494f19261cae512e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33a99913242b7e634524fae4fbac231d4c33f6b553d603252af73222eeba7ad7
[INFO] running `Command { std: "docker" "start" "-a" "33a99913242b7e634524fae4fbac231d4c33f6b553d603252af73222eeba7ad7", kill_on_drop: false }`
[INFO] [stderr]     Checking spin_sleep v1.3.3
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling ruboy_proc_macro v0.1.7
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking ruboy_lib v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Instant;
[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: `crate::ppu::palette::Palette`
[INFO] [stdout]  --> src/extern_traits.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::ppu::palette::Palette;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DMACommand`
[INFO] [stdout]  --> src/memcontroller/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use dma::{DMACommand, DMAController};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WriteErrType`
[INFO] [stdout]  --> src/memcontroller/dma.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{MemController, ReadError, WriteErrType};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GbMonoColor`
[INFO] [stdout]   --> src/ppu/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     GbColorID, GbMonoColor,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Seek`, and `error::Error`
[INFO] [stdout]  --> src/rom/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{Read, Seek},
[INFO] [stdout]   |          ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io::Read` and `num::Wrapping`
[INFO] [stdout]  --> src/rom/meta.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, io::Read, num::Wrapping};
[INFO] [stdout]   |                         ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Instant;
[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: `crate::ppu::palette::Palette`
[INFO] [stdout]  --> src/extern_traits.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::ppu::palette::Palette;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DMACommand`
[INFO] [stdout]  --> src/memcontroller/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use dma::{DMACommand, DMAController};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WriteErrType`
[INFO] [stdout]  --> src/memcontroller/dma.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{MemController, ReadError, WriteErrType};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GbMonoColor`
[INFO] [stdout]   --> src/ppu/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     GbColorID, GbMonoColor,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Seek`, and `error::Error`
[INFO] [stdout]  --> src/rom/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{Read, Seek},
[INFO] [stdout]   |          ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io::Read` and `num::Wrapping`
[INFO] [stdout]  --> src/rom/meta.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, io::Read, num::Wrapping};
[INFO] [stdout]   |                         ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/cpu/nums.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/cpu/nums.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/cpu/nums.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/cpu/nums.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/ppu/fetcher.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let (x, y) = todo!();
[INFO] [stdout]     |                      ------- any code following this expression is unreachable
[INFO] [stdout] 138 |
[INFO] [stdout] 139 |         debug_assert!(x <= 31, "tile X wrong size: {}", x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `debug_assert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/ppu/fetcher.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let (x, y) = todo!();
[INFO] [stdout]     |                      ------- any code following this expression is unreachable
[INFO] [stdout] 138 |
[INFO] [stdout] 139 |         debug_assert!(x <= 31, "tile X wrong size: {}", x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `debug_assert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tilemap_base`
[INFO] [stdout]    --> src/ppu/fetcher.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let tilemap_base: u16 = if mem.io_registers.lcd_control.window_tilemap_area() {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tilemap_base`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/ppu/fetcher.rs:137:14
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let (x, y) = todo!();
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/ppu/fetcher.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let (x, y) = todo!();
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_offset`
[INFO] [stdout]    --> src/ppu/fetcher.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let tile_offset = tilemap::calc_offset(x, y) & 0x3FF; // AND mask make sure that it stays within the bounds of the tilemap
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_addr`
[INFO] [stdout]    --> src/ppu/fetcher.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let tile_addr = tilemap_base + tile_offset;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_idx`
[INFO] [stdout]    --> src/ppu/fetcher.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let tile_idx = mem.read8(tile_addr)?;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/ppu/fetcher.rs:144:24
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let tile_idx = mem.read8(tile_addr)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tilemap_base`
[INFO] [stdout]    --> src/ppu/fetcher.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let tilemap_base: u16 = if mem.io_registers.lcd_control.window_tilemap_area() {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tilemap_base`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/ppu/fetcher.rs:137:14
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let (x, y) = todo!();
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/ppu/fetcher.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let (x, y) = todo!();
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_offset`
[INFO] [stdout]    --> src/ppu/fetcher.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let tile_offset = tilemap::calc_offset(x, y) & 0x3FF; // AND mask make sure that it stays within the bounds of the tilemap
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_addr`
[INFO] [stdout]    --> src/ppu/fetcher.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let tile_addr = tilemap_base + tile_offset;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_idx`
[INFO] [stdout]    --> src/ppu/fetcher.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let tile_idx = mem.read8(tile_addr)?;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/ppu/fetcher.rs:144:24
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let tile_idx = mem.read8(tile_addr)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Frequency` is never used
[INFO] [stdout]   --> src/lib.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 | enum Frequency {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `val_raw`, `val_unit`, and `upcast` are never used
[INFO] [stdout]   --> src/lib.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Frequency {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 53 |     pub fn new(val: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn val_raw(self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn val_unit(self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn upcast(self) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IMAGE_NAME` is never used
[INFO] [stdout]   --> src/boot.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub const IMAGE_NAME: &str = "DMG";
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `do_push8` and `do_pop8` are never used
[INFO] [stdout]    --> src/cpu/mod.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout]  51 | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn do_push8(
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn do_pop8(
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_msb` is never used
[INFO] [stdout]   --> src/cpu/nums.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub trait GbBits {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn set_msb(self, val: bool) -> Self;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `win_x_reached` is never read
[INFO] [stdout]   --> src/ppu/fetcher.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct PixelFetcher {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     win_x_reached: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PixelFetcher` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_obj_fifo` is never used
[INFO] [stdout]    --> src/ppu/fetcher.rs:304:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl PixelFetcher {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 304 |     pub fn get_obj_fifo(&self) -> &InlineQueue<FetchedPixel, 8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `empty` is never used
[INFO] [stdout]   --> src/ppu/inlinequeue.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T, const N: usize> InlineQueue<T, N> {
[INFO] [stdout]    | ----------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub const fn empty(&self) -> bool {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `X_SIZE` is never used
[INFO] [stdout]  --> src/ppu/tile.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Tile {
[INFO] [stdout]   | --------- associated constant in this implementation
[INFO] [stdout] 8 |     pub const X_SIZE: usize = 8;
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TILEMAP_Y_SIZE` is never used
[INFO] [stdout]  --> src/ppu/tilemap.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const TILEMAP_Y_SIZE: usize = 32;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TileMap` is never constructed
[INFO] [stdout]  --> src/ppu/tilemap.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TileMap([u8; TILEMAP_X_SIZE * TILEMAP_Y_SIZE]);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Phantom` is never constructed
[INFO] [stdout]   --> src/rom/controller/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum RomController<A: GBAllocator, R: RomReader> {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     Phantom(PhantomData<R>),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RomController` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ReadOnly` is never constructed
[INFO] [stdout]   --> src/rom/controller/mod.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub enum WriteError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 88 |     ReadOnly(u16),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WriteError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `raw` is never read
[INFO] [stdout]    --> src/rom/meta.rs:355:5
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub struct CartridgeHardware {
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] 355 |     raw: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CartridgeHardware` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/mod.rs:260:34
[INFO] [stdout]     |
[INFO] [stdout] 260 |               MemRegion::IORegs => self
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 261 | |                 .io_registers
[INFO] [stdout] 262 | |                 .read(addr)
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:247:60
[INFO] [stdout]     |
[INFO] [stdout] 247 |       pub fn read(&self, addr: u16) -> Result<u8, IoReadErr> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 248 | |         match addr {
[INFO] [stdout] 249 | |             ..=0xFEFF => panic!("Too low for I/O range"),
[INFO] [stdout] 250 | |             0xFF00 => Ok(self.joypad),
[INFO] [stdout] ...   |
[INFO] [stdout] 276 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 | /         match addr {
[INFO] [stdout] 249 | |             ..=0xFEFF => panic!("Too low for I/O range"),
[INFO] [stdout] 250 | |             0xFF00 => Ok(self.joypad),
[INFO] [stdout] 251 | |             0xFF04 => Ok(self.timer_div.0),
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:250:23
[INFO] [stdout]     |
[INFO] [stdout] 250 |             0xFF00 => Ok(self.joypad),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:251:23
[INFO] [stdout]     |
[INFO] [stdout] 251 |             0xFF04 => Ok(self.timer_div.0),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:252:23
[INFO] [stdout]     |
[INFO] [stdout] 252 |             0xFF05 => Ok(self.timer_counter),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:253:23
[INFO] [stdout]     |
[INFO] [stdout] 253 |             0xFF06 => Ok(self.timer_modulo),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:254:23
[INFO] [stdout]     |
[INFO] [stdout] 254 |             0xFF07 => Ok(self.timer_control),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:255:23
[INFO] [stdout]     |
[INFO] [stdout] 255 |             0xFF40 => Ok(self.lcd_control.into()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:256:23
[INFO] [stdout]     |
[INFO] [stdout] 256 |             0xFF41 => Ok(self.lcd_stat),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:257:23
[INFO] [stdout]     |
[INFO] [stdout] 257 |             0xFF42 => Ok(self.scy),
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:258:23
[INFO] [stdout]     |
[INFO] [stdout] 258 |             0xFF43 => Ok(self.scx),
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:259:23
[INFO] [stdout]     |
[INFO] [stdout] 259 |             0xFF44 => Ok(self.lcd_y),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:260:23
[INFO] [stdout]     |
[INFO] [stdout] 260 |             0xFF45 => Ok(self.lcd_y_comp),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:261:23
[INFO] [stdout]     |
[INFO] [stdout] 261 |             0xFF46 => Ok(self.oam_dma),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:262:23
[INFO] [stdout]     |
[INFO] [stdout] 262 |             0xFF47 => Ok(self.bg_palette.into()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:263:23
[INFO] [stdout]     |
[INFO] [stdout] 263 |             0xFF48 => Ok(self.obj0_palette.into()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:264:23
[INFO] [stdout]     |
[INFO] [stdout] 264 |             0xFF49 => Ok(self.obj1_palette.into()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:265:23
[INFO] [stdout]     |
[INFO] [stdout] 265 |             0xFF4A => Ok(self.win_y),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:266:23
[INFO] [stdout]     |
[INFO] [stdout] 266 |             0xFF4B => Ok(self.win_x),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:268:18
[INFO] [stdout]     |
[INFO] [stdout] 268 |               _ => {
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 269 | |                 log::info!(
[INFO] [stdout] 270 | |                     "I/O register not implemented for reading: 0x{:x}, returning 0x00",
[INFO] [stdout] 271 | |                     addr
[INFO] [stdout] 272 | |                 );
[INFO] [stdout] 273 | |                 Ok(0x00)
[INFO] [stdout] 274 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:273:17
[INFO] [stdout]     |
[INFO] [stdout] 273 |                 Ok(0x00)
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruboy_lib` (lib) due to 22 previous errors; 31 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: enum `Frequency` is never used
[INFO] [stdout]   --> src/lib.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 | enum Frequency {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `val_raw`, `val_unit`, and `upcast` are never used
[INFO] [stdout]   --> src/lib.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Frequency {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 53 |     pub fn new(val: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn val_raw(self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn val_unit(self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn upcast(self) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IMAGE_NAME` is never used
[INFO] [stdout]   --> src/boot.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub const IMAGE_NAME: &str = "DMG";
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `do_push8` and `do_pop8` are never used
[INFO] [stdout]    --> src/cpu/mod.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout]  51 | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn do_push8(
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn do_pop8(
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_msb` is never used
[INFO] [stdout]   --> src/cpu/nums.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub trait GbBits {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn set_msb(self, val: bool) -> Self;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `win_x_reached` is never read
[INFO] [stdout]   --> src/ppu/fetcher.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct PixelFetcher {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     win_x_reached: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PixelFetcher` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_obj_fifo` is never used
[INFO] [stdout]    --> src/ppu/fetcher.rs:304:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl PixelFetcher {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 304 |     pub fn get_obj_fifo(&self) -> &InlineQueue<FetchedPixel, 8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `X_SIZE` is never used
[INFO] [stdout]  --> src/ppu/tile.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Tile {
[INFO] [stdout]   | --------- associated constant in this implementation
[INFO] [stdout] 8 |     pub const X_SIZE: usize = 8;
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Phantom` is never constructed
[INFO] [stdout]   --> src/rom/controller/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum RomController<A: GBAllocator, R: RomReader> {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     Phantom(PhantomData<R>),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RomController` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ReadOnly` is never constructed
[INFO] [stdout]   --> src/rom/controller/mod.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub enum WriteError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 88 |     ReadOnly(u16),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WriteError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `raw` is never read
[INFO] [stdout]    --> src/rom/meta.rs:355:5
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub struct CartridgeHardware {
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] 355 |     raw: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CartridgeHardware` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/mod.rs:260:34
[INFO] [stdout]     |
[INFO] [stdout] 260 |               MemRegion::IORegs => self
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 261 | |                 .io_registers
[INFO] [stdout] 262 | |                 .read(addr)
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:247:60
[INFO] [stdout]     |
[INFO] [stdout] 247 |       pub fn read(&self, addr: u16) -> Result<u8, IoReadErr> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 248 | |         match addr {
[INFO] [stdout] 249 | |             ..=0xFEFF => panic!("Too low for I/O range"),
[INFO] [stdout] 250 | |             0xFF00 => Ok(self.joypad),
[INFO] [stdout] ...   |
[INFO] [stdout] 276 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 | /         match addr {
[INFO] [stdout] 249 | |             ..=0xFEFF => panic!("Too low for I/O range"),
[INFO] [stdout] 250 | |             0xFF00 => Ok(self.joypad),
[INFO] [stdout] 251 | |             0xFF04 => Ok(self.timer_div.0),
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:250:23
[INFO] [stdout]     |
[INFO] [stdout] 250 |             0xFF00 => Ok(self.joypad),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:251:23
[INFO] [stdout]     |
[INFO] [stdout] 251 |             0xFF04 => Ok(self.timer_div.0),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:252:23
[INFO] [stdout]     |
[INFO] [stdout] 252 |             0xFF05 => Ok(self.timer_counter),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:253:23
[INFO] [stdout]     |
[INFO] [stdout] 253 |             0xFF06 => Ok(self.timer_modulo),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:254:23
[INFO] [stdout]     |
[INFO] [stdout] 254 |             0xFF07 => Ok(self.timer_control),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:255:23
[INFO] [stdout]     |
[INFO] [stdout] 255 |             0xFF40 => Ok(self.lcd_control.into()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:256:23
[INFO] [stdout]     |
[INFO] [stdout] 256 |             0xFF41 => Ok(self.lcd_stat),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:257:23
[INFO] [stdout]     |
[INFO] [stdout] 257 |             0xFF42 => Ok(self.scy),
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:258:23
[INFO] [stdout]     |
[INFO] [stdout] 258 |             0xFF43 => Ok(self.scx),
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:259:23
[INFO] [stdout]     |
[INFO] [stdout] 259 |             0xFF44 => Ok(self.lcd_y),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:260:23
[INFO] [stdout]     |
[INFO] [stdout] 260 |             0xFF45 => Ok(self.lcd_y_comp),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:261:23
[INFO] [stdout]     |
[INFO] [stdout] 261 |             0xFF46 => Ok(self.oam_dma),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:262:23
[INFO] [stdout]     |
[INFO] [stdout] 262 |             0xFF47 => Ok(self.bg_palette.into()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:263:23
[INFO] [stdout]     |
[INFO] [stdout] 263 |             0xFF48 => Ok(self.obj0_palette.into()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:264:23
[INFO] [stdout]     |
[INFO] [stdout] 264 |             0xFF49 => Ok(self.obj1_palette.into()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:265:23
[INFO] [stdout]     |
[INFO] [stdout] 265 |             0xFF4A => Ok(self.win_y),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:266:23
[INFO] [stdout]     |
[INFO] [stdout] 266 |             0xFF4B => Ok(self.win_x),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:268:18
[INFO] [stdout]     |
[INFO] [stdout] 268 |               _ => {
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 269 | |                 log::info!(
[INFO] [stdout] 270 | |                     "I/O register not implemented for reading: 0x{:x}, returning 0x00",
[INFO] [stdout] 271 | |                     addr
[INFO] [stdout] 272 | |                 );
[INFO] [stdout] 273 | |                 Ok(0x00)
[INFO] [stdout] 274 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, IoReadErr>
[INFO] [stdout]    --> src/memcontroller/io.rs:273:17
[INFO] [stdout]     |
[INFO] [stdout] 273 |                 Ok(0x00)
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruboy_lib` (lib test) due to 22 previous errors; 28 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "33a99913242b7e634524fae4fbac231d4c33f6b553d603252af73222eeba7ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a99913242b7e634524fae4fbac231d4c33f6b553d603252af73222eeba7ad7", kill_on_drop: false }`
[INFO] [stdout] 33a99913242b7e634524fae4fbac231d4c33f6b553d603252af73222eeba7ad7
