[INFO] cloning repository https://github.com/carlossless/yargb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carlossless/yargb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlossless%2Fyargb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlossless%2Fyargb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06c75bc56cfee1b939c1b5064223b15951ea9422
[INFO] checking carlossless/yargb against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlossless%2Fyargb" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/carlossless/yargb
[INFO] finished tweaking git repo https://github.com/carlossless/yargb
[INFO] tweaked toml for git repo https://github.com/carlossless/yargb written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/carlossless/yargb on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/carlossless/yargb 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" "+987a165cfab916796a8315782b83ac460a651ce2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e28b185e77018673b24a8e4ec72c5cb89491c14c044002e5a4acd0a2a238bd96
[INFO] running `Command { std: "docker" "start" "-a" "e28b185e77018673b24a8e4ec72c5cb89491c14c044002e5a4acd0a2a238bd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28b185e77018673b24a8e4ec72c5cb89491c14c044002e5a4acd0a2a238bd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28b185e77018673b24a8e4ec72c5cb89491c14c044002e5a4acd0a2a238bd96", kill_on_drop: false }`
[INFO] [stdout] e28b185e77018673b24a8e4ec72c5cb89491c14c044002e5a4acd0a2a238bd96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf3a4496cee6f8d16ce02c66e43e7e6036c5368d1406b915befd122048c5782b
[INFO] running `Command { std: "docker" "start" "-a" "bf3a4496cee6f8d16ce02c66e43e7e6036c5368d1406b915befd122048c5782b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling sdl2 v0.37.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling sdl2-sys v0.37.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking yargb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/cpu/alu.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::event::Event`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use sdl2::event::Event;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use sdl2::keyboard::Keycode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels::Color`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use sdl2::pixels::Color;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/cpu/alu.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::event::Event`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use sdl2::event::Event;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use sdl2::keyboard::Keycode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels::Color`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use sdl2::pixels::Color;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> src/mmu.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let title = rom_data[0x134..0x143]
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manufacturer_code`
[INFO] [stdout]   --> src/mmu.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let manufacturer_code = rom_data[0x13F..0x143].to_owned();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manufacturer_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgb_flag`
[INFO] [stdout]   --> src/mmu.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let cgb_flag = rom_data[0x143];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgb_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `licensee_code_new`
[INFO] [stdout]   --> src/mmu.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let licensee_code_new = rom_data[0x144..0x146].to_owned();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_licensee_code_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sgb_flag`
[INFO] [stdout]   --> src/mmu.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let sgb_flag = rom_data[0x146];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sgb_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom_size`
[INFO] [stdout]   --> src/mmu.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let rom_size = rom_data[0x148];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rom_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ram_size`
[INFO] [stdout]   --> src/mmu.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let ram_size = rom_data[0x149];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ram_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination_code`
[INFO] [stdout]   --> src/mmu.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let destination_code = rom_data[0x14A];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `licensee_code_old`
[INFO] [stdout]   --> src/mmu.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let licensee_code_old = rom_data[0x14B];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_licensee_code_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask_rom_version`
[INFO] [stdout]   --> src/mmu.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mask_rom_version = rom_data[0x14C];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mask_rom_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header_checksum`
[INFO] [stdout]   --> src/mmu.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let header_checksum = rom_data[0x14D];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_header_checksum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global_checksum`
[INFO] [stdout]   --> src/mmu.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let global_checksum = rom_data[0x14E..0x150]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_checksum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut running = true;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `halted` is never read
[INFO] [stdout]   --> src/cpu/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct CPU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub halted: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unimplemented` is never used
[INFO] [stdout]    --> src/cpu/mod.rs:966:8
[INFO] [stdout]     |
[INFO] [stdout]  74 | impl CPU {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 966 |     fn unimplemented(&mut self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `unused_io` is never read
[INFO] [stdout]   --> src/mmu.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct MMU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     unused_io: [u8; 0x0034],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AF` is never constructed
[INFO] [stdout]   --> src/registers.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum WordRegister {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 26 |     AF,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FormatAsSigned` is never constructed
[INFO] [stdout]  --> src/utils/format.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FormatAsSigned<T: Signed>(pub T);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> src/mmu.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let title = rom_data[0x134..0x143]
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manufacturer_code`
[INFO] [stdout]   --> src/mmu.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let manufacturer_code = rom_data[0x13F..0x143].to_owned();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manufacturer_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgb_flag`
[INFO] [stdout]   --> src/mmu.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let cgb_flag = rom_data[0x143];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgb_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `licensee_code_new`
[INFO] [stdout]   --> src/mmu.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let licensee_code_new = rom_data[0x144..0x146].to_owned();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_licensee_code_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sgb_flag`
[INFO] [stdout]   --> src/mmu.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let sgb_flag = rom_data[0x146];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sgb_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom_size`
[INFO] [stdout]   --> src/mmu.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let rom_size = rom_data[0x148];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rom_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ram_size`
[INFO] [stdout]   --> src/mmu.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let ram_size = rom_data[0x149];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ram_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination_code`
[INFO] [stdout]   --> src/mmu.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let destination_code = rom_data[0x14A];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `licensee_code_old`
[INFO] [stdout]   --> src/mmu.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let licensee_code_old = rom_data[0x14B];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_licensee_code_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask_rom_version`
[INFO] [stdout]   --> src/mmu.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mask_rom_version = rom_data[0x14C];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mask_rom_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header_checksum`
[INFO] [stdout]   --> src/mmu.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let header_checksum = rom_data[0x14D];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_header_checksum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global_checksum`
[INFO] [stdout]   --> src/mmu.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let global_checksum = rom_data[0x14E..0x150]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_checksum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut running = true;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `halted` is never read
[INFO] [stdout]   --> src/cpu/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct CPU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub halted: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unimplemented` is never used
[INFO] [stdout]    --> src/cpu/mod.rs:966:8
[INFO] [stdout]     |
[INFO] [stdout]  74 | impl CPU {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 966 |     fn unimplemented(&mut self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `unused_io` is never read
[INFO] [stdout]   --> src/mmu.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct MMU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     unused_io: [u8; 0x0034],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AF` is never constructed
[INFO] [stdout]   --> src/registers.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum WordRegister {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 26 |     AF,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FormatAsSigned` is never constructed
[INFO] [stdout]  --> src/utils/format.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FormatAsSigned<T: Signed>(pub T);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "bf3a4496cee6f8d16ce02c66e43e7e6036c5368d1406b915befd122048c5782b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf3a4496cee6f8d16ce02c66e43e7e6036c5368d1406b915befd122048c5782b", kill_on_drop: false }`
[INFO] [stdout] bf3a4496cee6f8d16ce02c66e43e7e6036c5368d1406b915befd122048c5782b
