[INFO] updating cached repository https://github.com/ShiroUsagi-san/yage
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c36f89aad9581b59cd4fdb5a2f2f86a8dd8575dd
[INFO] checking ShiroUsagi-san/yage against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShiroUsagi-san%2Fyage" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShiroUsagi-san/yage on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ShiroUsagi-san/yage
[INFO] finished tweaking git repo https://github.com/ShiroUsagi-san/yage
[INFO] tweaked toml for git repo https://github.com/ShiroUsagi-san/yage written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ShiroUsagi-san/yage already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 344421153efc3aa734a6151e24f9524dd69065c0646747657110830bb02811d5
[INFO] running `"docker" "start" "-a" "344421153efc3aa734a6151e24f9524dd69065c0646747657110830bb02811d5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking yage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `instruction::ArithmeticTarget`
[INFO] [stderr]  --> src/cpu/cpu.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::cpu::{instruction::ArithmeticTarget, instruction::Instruction, register::Registers};
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `instruction::ArithmeticTarget`
[INFO] [stderr]  --> src/cpu/cpu.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::cpu::{instruction::ArithmeticTarget, instruction::Instruction, register::Registers};
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]  --> src/cpu/cpu.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Cpu {
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MemoryBus`
[INFO] [stderr]   --> src/cpu/cpu.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct MemoryBus {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_byte`
[INFO] [stderr]   --> src/cpu/cpu.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn read_byte(&self, address: u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/cpu/cpu.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn run(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `step`
[INFO] [stderr]   --> src/cpu/cpu.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn step(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]   --> src/cpu/cpu.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn execute(&mut self, ins: Instruction) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/cpu/cpu.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn add(&mut self, val: u8) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Instruction`
[INFO] [stderr]  --> src/cpu/instruction.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Instruction {
[INFO] [stderr]   |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ExtendedTarget`
[INFO] [stderr]   --> src/cpu/instruction.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub enum ExtendedTarget {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LoadByteTarget`
[INFO] [stderr]   --> src/cpu/instruction.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub enum LoadByteTarget {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LoadByteSource`
[INFO] [stderr]   --> src/cpu/instruction.rs:54:10
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub enum LoadByteSource {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LoadType`
[INFO] [stderr]   --> src/cpu/instruction.rs:65:10
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub enum LoadType {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `JumpParameter`
[INFO] [stderr]   --> src/cpu/instruction.rs:68:10
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub enum JumpParameter {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ConditionnalTarget`
[INFO] [stderr]   --> src/cpu/instruction.rs:77:10
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub enum ConditionnalTarget {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ArithmeticTarget`
[INFO] [stderr]   --> src/cpu/instruction.rs:88:10
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub enum ArithmeticTarget {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `StackTarget`
[INFO] [stderr]    --> src/cpu/instruction.rs:104:10
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub enum StackTarget {
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `JumpTest`
[INFO] [stderr]    --> src/cpu/instruction.rs:112:10
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub enum JumpTest {
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_bytes`
[INFO] [stderr]    --> src/cpu/instruction.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn from_bytes(byte: u8) -> Option<Instruction> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/cpu/register.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_bc`
[INFO] [stderr]    --> src/cpu/register.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn get_bc(&self) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_bc`
[INFO] [stderr]    --> src/cpu/register.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn set_bc(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_af`
[INFO] [stderr]    --> src/cpu/register.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn get_af(&self) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_af`
[INFO] [stderr]    --> src/cpu/register.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn set_af(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_de`
[INFO] [stderr]    --> src/cpu/register.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn get_de(&self) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_de`
[INFO] [stderr]    --> src/cpu/register.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn set_de(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_hl`
[INFO] [stderr]    --> src/cpu/register.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn get_hl(&self) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_hl`
[INFO] [stderr]    --> src/cpu/register.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn set_hl(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cpu/register.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         writeln!(f, "{:b}", self.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cpu/register.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         writeln!(f, "ZERO FLAG: {}", self.is_zero());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cpu/register.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         writeln!(f, "SUBSTRACTION FLAG: {}", self.is_substraction());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cpu/register.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         writeln!(f, "HALF CARRY FLAG: {}", self.is_half_carry());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]  --> src/cpu/cpu.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Cpu {
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MemoryBus`
[INFO] [stderr]   --> src/cpu/cpu.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct MemoryBus {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_byte`
[INFO] [stderr]   --> src/cpu/cpu.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn read_byte(&self, address: u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/cpu/cpu.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn run(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `step`
[INFO] [stderr]   --> src/cpu/cpu.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn step(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]   --> src/cpu/cpu.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn execute(&mut self, ins: Instruction) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/cpu/cpu.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn add(&mut self, val: u8) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Instruction`
[INFO] [stderr]  --> src/cpu/instruction.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Instruction {
[INFO] [stderr]   |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ExtendedTarget`
[INFO] [stderr]   --> src/cpu/instruction.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub enum ExtendedTarget {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LoadByteTarget`
[INFO] [stderr]   --> src/cpu/instruction.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub enum LoadByteTarget {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LoadByteSource`
[INFO] [stderr]   --> src/cpu/instruction.rs:54:10
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub enum LoadByteSource {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LoadType`
[INFO] [stderr]   --> src/cpu/instruction.rs:65:10
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub enum LoadType {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `JumpParameter`
[INFO] [stderr]   --> src/cpu/instruction.rs:68:10
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub enum JumpParameter {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ConditionnalTarget`
[INFO] [stderr]   --> src/cpu/instruction.rs:77:10
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub enum ConditionnalTarget {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ArithmeticTarget`
[INFO] [stderr]   --> src/cpu/instruction.rs:88:10
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub enum ArithmeticTarget {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `StackTarget`
[INFO] [stderr]    --> src/cpu/instruction.rs:104:10
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub enum StackTarget {
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `JumpTest`
[INFO] [stderr]    --> src/cpu/instruction.rs:112:10
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub enum JumpTest {
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_bytes`
[INFO] [stderr]    --> src/cpu/instruction.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn from_bytes(byte: u8) -> Option<Instruction> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_bc`
[INFO] [stderr]    --> src/cpu/register.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn get_bc(&self) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_bc`
[INFO] [stderr]    --> src/cpu/register.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn set_bc(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_af`
[INFO] [stderr]    --> src/cpu/register.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn get_af(&self) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_af`
[INFO] [stderr]    --> src/cpu/register.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn set_af(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_de`
[INFO] [stderr]    --> src/cpu/register.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn get_de(&self) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_de`
[INFO] [stderr]    --> src/cpu/register.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn set_de(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_hl`
[INFO] [stderr]    --> src/cpu/register.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn get_hl(&self) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_hl`
[INFO] [stderr]    --> src/cpu/register.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn set_hl(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cpu/register.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         writeln!(f, "{:b}", self.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cpu/register.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         writeln!(f, "ZERO FLAG: {}", self.is_zero());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cpu/register.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         writeln!(f, "SUBSTRACTION FLAG: {}", self.is_substraction());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cpu/register.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         writeln!(f, "HALF CARRY FLAG: {}", self.is_half_carry());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "344421153efc3aa734a6151e24f9524dd69065c0646747657110830bb02811d5"`
[INFO] running `"docker" "rm" "-f" "344421153efc3aa734a6151e24f9524dd69065c0646747657110830bb02811d5"`
[INFO] [stdout] 344421153efc3aa734a6151e24f9524dd69065c0646747657110830bb02811d5