[INFO] cloning repository https://github.com/sreedevcv/gemboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sreedevcv/gemboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsreedevcv%2Fgemboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsreedevcv%2Fgemboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a301b3674e62a92a8c97e2713ffe6c6d98232ae
[INFO] checking sreedevcv/gemboy against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsreedevcv%2Fgemboy" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sreedevcv/gemboy
[INFO] finished tweaking git repo https://github.com/sreedevcv/gemboy
[INFO] tweaked toml for git repo https://github.com/sreedevcv/gemboy written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sreedevcv/gemboy on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sreedevcv/gemboy 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.17
[INFO] [stderr]   Downloaded zerocopy v0.8.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbadc4df0aebaf4be04f9908a7c128e13d2ef7352a41bfcb16392d02ecd6ddb9
[INFO] running `Command { std: "docker" "start" "-a" "fbadc4df0aebaf4be04f9908a7c128e13d2ef7352a41bfcb16392d02ecd6ddb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbadc4df0aebaf4be04f9908a7c128e13d2ef7352a41bfcb16392d02ecd6ddb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbadc4df0aebaf4be04f9908a7c128e13d2ef7352a41bfcb16392d02ecd6ddb9", kill_on_drop: false }`
[INFO] [stdout] fbadc4df0aebaf4be04f9908a7c128e13d2ef7352a41bfcb16392d02ecd6ddb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e8743361c734cb9fc7f903ad2ccd314eb7d54983ce6f19259310c893de441b5
[INFO] running `Command { std: "docker" "start" "-a" "7e8743361c734cb9fc7f903ad2ccd314eb7d54983ce6f19259310c893de441b5", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.17
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking rand_core v0.9.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking emulator v0.1.0 (/opt/rustwide/workdir/emulator)
[INFO] [stdout] warning: unused import: `std::f32::consts::E`
[INFO] [stdout]  --> emulator/src/cpu.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f32::consts::E;
[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: `LinearMemory`
[INFO] [stdout]  --> emulator/src/cpu.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::memory::{LinearMemory, MemoryInterface};
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::E`
[INFO] [stdout]  --> emulator/src/cpu.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f32::consts::E;
[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 variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:259:33
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn ld_imm8_to_hl(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:319:37
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn ld_imm16_mem_to_a(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:332:37
[INFO] [stdout]     |
[INFO] [stdout] 332 |     fn ld_a_to_imm16_mem(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:345:34
[INFO] [stdout]     |
[INFO] [stdout] 345 |     fn ldh_c_mem_to_a(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:356:34
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn ldh_a_to_c_mem(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:367:37
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn ldh_imm8_mem_to_a(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:378:37
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn ldh_a_to_imm8_mem(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CPU` is never constructed
[INFO] [stdout]  --> emulator/src/cpu.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CPU {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> emulator/src/cpu.rs:20:12
[INFO] [stdout]     |
[INFO] [stdout]  19 | impl CPU {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout]  20 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  35 |     fn empty() -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn zero_flag(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  54 |     fn subtraction_flag(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  58 |     fn half_carry_flag(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  62 |     fn carry_flag(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     fn set_reg8(&mut self, reg_index: u8, value: u8) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  84 |     fn get_reg8(&self, reg_index: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn set_reg16(&mut self, reg_index: u8, value: u16) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn get_reg16(&self, reg_index: u8) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     fn set_reg16_mem(&mut self, reg_index: u8, value: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     fn get_reg16_mem(&self, reg_index: u8) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     fn read(&mut self, memory: &impl MemoryInterface) -> u8 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn write(&mut self, memory: &mut impl MemoryInterface, addr: u16, byte: u8) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     fn ld_reg8_to_reg8(&mut self, opcode: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     fn ld_imm8_to_reg8(&mut self, opcode: u8, memory: &impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     fn ld_imm16_to_reg16(&mut self, opcode: u8, memory: &impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn ld_between_hl_and_r8(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn ld_imm8_to_hl(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |     fn ld_r16_mem_to_a(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     fn ld_a_to_r16_mem(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 319 |     fn ld_imm16_mem_to_a(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 332 |     fn ld_a_to_imm16_mem(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 345 |     fn ldh_c_mem_to_a(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     fn ldh_a_to_c_mem(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 |     fn ldh_imm8_mem_to_a(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 378 |     fn ldh_a_to_imm8_mem(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]    --> emulator/src/cpu.rs:390:8
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub fn decode(cpu: &mut CPU, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MemoryInterface` is never used
[INFO] [stdout]  --> emulator/src/memory.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait MemoryInterface {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinearMemory` is never constructed
[INFO] [stdout]  --> emulator/src/memory.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct LinearMemory {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> emulator/src/memory.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl LinearMemory {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:259:33
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn ld_imm8_to_hl(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:319:37
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn ld_imm16_mem_to_a(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:332:37
[INFO] [stdout]     |
[INFO] [stdout] 332 |     fn ld_a_to_imm16_mem(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:345:34
[INFO] [stdout]     |
[INFO] [stdout] 345 |     fn ldh_c_mem_to_a(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:356:34
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn ldh_a_to_c_mem(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:367:37
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn ldh_imm8_mem_to_a(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> emulator/src/cpu.rs:378:37
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn ldh_a_to_imm8_mem(&mut self, opcode: u8, memory: &mut impl MemoryInterface) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `f` is never read
[INFO] [stdout]   --> emulator/src/cpu.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct CPU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     f: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CPU` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `zero_flag`, `subtraction_flag`, `half_carry_flag`, and `carry_flag` are never used
[INFO] [stdout]   --> emulator/src/cpu.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl CPU {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn zero_flag(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn subtraction_flag(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn half_carry_flag(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn carry_flag(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `Command { std: "docker" "inspect" "7e8743361c734cb9fc7f903ad2ccd314eb7d54983ce6f19259310c893de441b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8743361c734cb9fc7f903ad2ccd314eb7d54983ce6f19259310c893de441b5", kill_on_drop: false }`
[INFO] [stdout] 7e8743361c734cb9fc7f903ad2ccd314eb7d54983ce6f19259310c893de441b5
