[INFO] updating cached repository brianbrewer/rusted-gameboy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brianbrewer/rusted-gameboy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brianbrewer/rusted-gameboy" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/brianbrewer/rusted-gameboy"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/brianbrewer/rusted-gameboy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brianbrewer/rusted-gameboy" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/brianbrewer/rusted-gameboy"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/brianbrewer/rusted-gameboy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a4cf957d4bab3032fbfb78378643a463706dbbe8
[INFO] sha for GitHub repo brianbrewer/rusted-gameboy: a4cf957d4bab3032fbfb78378643a463706dbbe8
[INFO] validating manifest of brianbrewer/rusted-gameboy on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brianbrewer/rusted-gameboy on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing brianbrewer/rusted-gameboy
[INFO] finished frobbing brianbrewer/rusted-gameboy
[INFO] frobbed toml for brianbrewer/rusted-gameboy written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/brianbrewer/rusted-gameboy/Cargo.toml
[INFO] started frobbing brianbrewer/rusted-gameboy
[INFO] finished frobbing brianbrewer/rusted-gameboy
[INFO] frobbed toml for brianbrewer/rusted-gameboy written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/brianbrewer/rusted-gameboy/Cargo.toml
[INFO] crate brianbrewer/rusted-gameboy has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking brianbrewer/rusted-gameboy against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-4/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/brianbrewer/rusted-gameboy:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f2e88776dfd5051ce7d6d2693628c58ef7da01ec0f0640db4231958c9462aeb8
[INFO] running `"docker" "start" "-a" "f2e88776dfd5051ce7d6d2693628c58ef7da01ec0f0640db4231958c9462aeb8"`
[INFO] [stderr]     Checking rusted-gameboy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `mmu`
[INFO] [stderr]    --> src/gameboy/cpu.rs:312:45
[INFO] [stderr]     |
[INFO] [stderr] 312 |     fn execute_extra_instruction(&mut self, mmu: &mut MMU, instruction: u8) {
[INFO] [stderr]     |                                             ^^^ help: consider using `_mmu` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/gameboy/cpu.rs:410:21
[INFO] [stderr]     |
[INFO] [stderr] 410 |     fn xor_a(&self, value: u8) {}
[INFO] [stderr]     |                     ^^^^^ help: consider using `_value` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bit`
[INFO] [stderr]    --> src/gameboy/cpu.rs:411:21
[INFO] [stderr]     |
[INFO] [stderr] 411 |     fn bit_h(&self, bit: u8) {}
[INFO] [stderr]     |                     ^^^ help: consider using `_bit` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/gameboy/sound_chip.rs:10:44
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn read_sound_register (&mut self, addr: u16) -> u8 {
[INFO] [stderr]    |                                            ^^^^ help: consider using `_addr` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_get_f`
[INFO] [stderr]    --> src/gameboy/cpu.rs:335:5
[INFO] [stderr]     |
[INFO] [stderr] 335 |     fn register_get_f(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_set_f`
[INFO] [stderr]    --> src/gameboy/cpu.rs:338:5
[INFO] [stderr]     |
[INFO] [stderr] 338 |     fn register_set_f(&mut self, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_get_e`
[INFO] [stderr]    --> src/gameboy/cpu.rs:359:5
[INFO] [stderr]     |
[INFO] [stderr] 359 |     fn register_get_e(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_set_e`
[INFO] [stderr]    --> src/gameboy/cpu.rs:362:5
[INFO] [stderr]     |
[INFO] [stderr] 362 |     fn register_set_e(&mut self, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_get_h`
[INFO] [stderr]    --> src/gameboy/cpu.rs:365:5
[INFO] [stderr]     |
[INFO] [stderr] 365 |     fn register_get_h(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_set_h`
[INFO] [stderr]    --> src/gameboy/cpu.rs:368:5
[INFO] [stderr]     |
[INFO] [stderr] 368 |     fn register_set_h(&mut self, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_get_l`
[INFO] [stderr]    --> src/gameboy/cpu.rs:371:5
[INFO] [stderr]     |
[INFO] [stderr] 371 |     fn register_get_l(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_set_l`
[INFO] [stderr]    --> src/gameboy/cpu.rs:374:5
[INFO] [stderr]     |
[INFO] [stderr] 374 |     fn register_set_l(&mut self, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag_get_zero`
[INFO] [stderr]    --> src/gameboy/cpu.rs:384:5
[INFO] [stderr]     |
[INFO] [stderr] 384 |     fn flag_get_zero(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag_set_sub`
[INFO] [stderr]    --> src/gameboy/cpu.rs:387:5
[INFO] [stderr]     |
[INFO] [stderr] 387 |     fn flag_set_sub(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag_set_carry`
[INFO] [stderr]    --> src/gameboy/cpu.rs:399:5
[INFO] [stderr]     |
[INFO] [stderr] 399 |     fn flag_set_carry(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag_clr_carry`
[INFO] [stderr]    --> src/gameboy/cpu.rs:402:5
[INFO] [stderr]     |
[INFO] [stderr] 402 |     fn flag_clr_carry(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ld_sp`
[INFO] [stderr]    --> src/gameboy/cpu.rs:406:5
[INFO] [stderr]     |
[INFO] [stderr] 406 |     fn ld_sp(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ld_hl_a`
[INFO] [stderr]    --> src/gameboy/cpu.rs:409:5
[INFO] [stderr]     |
[INFO] [stderr] 409 |     fn ld_hl_a(&self) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `xor_a`
[INFO] [stderr]    --> src/gameboy/cpu.rs:410:5
[INFO] [stderr]     |
[INFO] [stderr] 410 |     fn xor_a(&self, value: u8) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bit_h`
[INFO] [stderr]    --> src/gameboy/cpu.rs:411:5
[INFO] [stderr]     |
[INFO] [stderr] 411 |     fn bit_h(&self, bit: u8) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CART_ROM_END`
[INFO] [stderr]  --> src/gameboy/mem_map.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const CART_ROM_END: u16 = 0x7FFF;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CART_ENTRY_POINT`
[INFO] [stderr]  --> src/gameboy/mem_map.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const CART_ENTRY_POINT: u16 = 0x0100;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_CONTROL_REGISTER`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const LCD_CONTROL_REGISTER: u16 = 0xFF40; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_STATUS_REGISTER`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | const LCD_STATUS_REGISTER: u16 = 0xFF41; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCROLL_Y`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | const SCROLL_Y: u16 = 0xFF42; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCROLL_X`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | const SCROLL_X: u16 = 0xFF43; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_LY`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | const LCD_LY: u16 = 0xFF44; // R
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_LYC`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | const LCD_LYC: u16 = 0xFF45; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_WY`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | const LCD_WY: u16 = 0xFF4A; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_WX`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | const LCD_WX: u16 = 0xFF4B; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BG_PALETTE_DATA`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | const BG_PALETTE_DATA: u16 = 0xFF47; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OBJECT_PALETTE_0`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | const OBJECT_PALETTE_0: u16 = 0xFF48; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OBJECT_PALETTE_1`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | const OBJECT_PALETTE_1: u16 = 0xFF49; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mmu`
[INFO] [stderr]    --> src/gameboy/cpu.rs:312:45
[INFO] [stderr]     |
[INFO] [stderr] 312 |     fn execute_extra_instruction(&mut self, mmu: &mut MMU, instruction: u8) {
[INFO] [stderr]     |                                             ^^^ help: consider using `_mmu` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/gameboy/cpu.rs:410:21
[INFO] [stderr]     |
[INFO] [stderr] 410 |     fn xor_a(&self, value: u8) {}
[INFO] [stderr]     |                     ^^^^^ help: consider using `_value` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bit`
[INFO] [stderr]    --> src/gameboy/cpu.rs:411:21
[INFO] [stderr]     |
[INFO] [stderr] 411 |     fn bit_h(&self, bit: u8) {}
[INFO] [stderr]     |                     ^^^ help: consider using `_bit` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/gameboy/sound_chip.rs:10:44
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn read_sound_register (&mut self, addr: u16) -> u8 {
[INFO] [stderr]    |                                            ^^^^ help: consider using `_addr` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_get_f`
[INFO] [stderr]    --> src/gameboy/cpu.rs:335:5
[INFO] [stderr]     |
[INFO] [stderr] 335 |     fn register_get_f(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_set_f`
[INFO] [stderr]    --> src/gameboy/cpu.rs:338:5
[INFO] [stderr]     |
[INFO] [stderr] 338 |     fn register_set_f(&mut self, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_get_e`
[INFO] [stderr]    --> src/gameboy/cpu.rs:359:5
[INFO] [stderr]     |
[INFO] [stderr] 359 |     fn register_get_e(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_set_e`
[INFO] [stderr]    --> src/gameboy/cpu.rs:362:5
[INFO] [stderr]     |
[INFO] [stderr] 362 |     fn register_set_e(&mut self, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_get_h`
[INFO] [stderr]    --> src/gameboy/cpu.rs:365:5
[INFO] [stderr]     |
[INFO] [stderr] 365 |     fn register_get_h(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_set_h`
[INFO] [stderr]    --> src/gameboy/cpu.rs:368:5
[INFO] [stderr]     |
[INFO] [stderr] 368 |     fn register_set_h(&mut self, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_get_l`
[INFO] [stderr]    --> src/gameboy/cpu.rs:371:5
[INFO] [stderr]     |
[INFO] [stderr] 371 |     fn register_get_l(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_set_l`
[INFO] [stderr]    --> src/gameboy/cpu.rs:374:5
[INFO] [stderr]     |
[INFO] [stderr] 374 |     fn register_set_l(&mut self, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag_get_zero`
[INFO] [stderr]    --> src/gameboy/cpu.rs:384:5
[INFO] [stderr]     |
[INFO] [stderr] 384 |     fn flag_get_zero(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag_set_sub`
[INFO] [stderr]    --> src/gameboy/cpu.rs:387:5
[INFO] [stderr]     |
[INFO] [stderr] 387 |     fn flag_set_sub(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag_set_carry`
[INFO] [stderr]    --> src/gameboy/cpu.rs:399:5
[INFO] [stderr]     |
[INFO] [stderr] 399 |     fn flag_set_carry(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag_clr_carry`
[INFO] [stderr]    --> src/gameboy/cpu.rs:402:5
[INFO] [stderr]     |
[INFO] [stderr] 402 |     fn flag_clr_carry(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ld_sp`
[INFO] [stderr]    --> src/gameboy/cpu.rs:406:5
[INFO] [stderr]     |
[INFO] [stderr] 406 |     fn ld_sp(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ld_hl_a`
[INFO] [stderr]    --> src/gameboy/cpu.rs:409:5
[INFO] [stderr]     |
[INFO] [stderr] 409 |     fn ld_hl_a(&self) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `xor_a`
[INFO] [stderr]    --> src/gameboy/cpu.rs:410:5
[INFO] [stderr]     |
[INFO] [stderr] 410 |     fn xor_a(&self, value: u8) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bit_h`
[INFO] [stderr]    --> src/gameboy/cpu.rs:411:5
[INFO] [stderr]     |
[INFO] [stderr] 411 |     fn bit_h(&self, bit: u8) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CART_ROM_END`
[INFO] [stderr]  --> src/gameboy/mem_map.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const CART_ROM_END: u16 = 0x7FFF;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CART_ENTRY_POINT`
[INFO] [stderr]  --> src/gameboy/mem_map.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const CART_ENTRY_POINT: u16 = 0x0100;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_CONTROL_REGISTER`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const LCD_CONTROL_REGISTER: u16 = 0xFF40; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_STATUS_REGISTER`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | const LCD_STATUS_REGISTER: u16 = 0xFF41; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCROLL_Y`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | const SCROLL_Y: u16 = 0xFF42; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCROLL_X`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | const SCROLL_X: u16 = 0xFF43; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_LY`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | const LCD_LY: u16 = 0xFF44; // R
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_LYC`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | const LCD_LYC: u16 = 0xFF45; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_WY`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | const LCD_WY: u16 = 0xFF4A; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LCD_WX`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | const LCD_WX: u16 = 0xFF4B; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BG_PALETTE_DATA`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | const BG_PALETTE_DATA: u16 = 0xFF47; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OBJECT_PALETTE_0`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | const OBJECT_PALETTE_0: u16 = 0xFF48; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OBJECT_PALETTE_1`
[INFO] [stderr]   --> src/gameboy/mem_map.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | const OBJECT_PALETTE_1: u16 = 0xFF49; // R/W
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "f2e88776dfd5051ce7d6d2693628c58ef7da01ec0f0640db4231958c9462aeb8"`
[INFO] running `"docker" "rm" "-f" "f2e88776dfd5051ce7d6d2693628c58ef7da01ec0f0640db4231958c9462aeb8"`
[INFO] [stdout] f2e88776dfd5051ce7d6d2693628c58ef7da01ec0f0640db4231958c9462aeb8