[INFO] updating cached repository https://github.com/jaretscrews/rusty-boi
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba81b459de3ae7f3461fc9b5a23351ea506d7899
[INFO] testing jaretscrews/rusty-boi against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaretscrews%2Frusty-boi" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaretscrews/rusty-boi on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaretscrews/rusty-boi
[INFO] finished tweaking git repo https://github.com/jaretscrews/rusty-boi
[INFO] tweaked toml for git repo https://github.com/jaretscrews/rusty-boi written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jaretscrews/rusty-boi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2006feeefe06085c91d92d9752065173d268a014219bc33d1ab039d37fd3dd4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2006feeefe06085c91d92d9752065173d268a014219bc33d1ab039d37fd3dd4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2006feeefe06085c91d92d9752065173d268a014219bc33d1ab039d37fd3dd4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2006feeefe06085c91d92d9752065173d268a014219bc33d1ab039d37fd3dd4d", kill_on_drop: false }`
[INFO] [stdout] 2006feeefe06085c91d92d9752065173d268a014219bc33d1ab039d37fd3dd4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3fdc6ad1e497b1cc86a7eaa87888214640df9e8f8393af067ea488b806c0763
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a3fdc6ad1e497b1cc86a7eaa87888214640df9e8f8393af067ea488b806c0763", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-boi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/cpu/mod.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             _ => {
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut cpu = CPU::new();
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut cpu = CPU::new();
[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: associated function is never used: `get_bc`
[INFO] [stdout]   --> src/cpu/registers.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn get_bc(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bc`
[INFO] [stdout]   --> src/cpu/registers.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn set_bc(&mut self, val: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_de`
[INFO] [stdout]   --> src/cpu/registers.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn get_de(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_de`
[INFO] [stdout]   --> src/cpu/registers.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn set_de(&mut self, val: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hl`
[INFO] [stdout]   --> src/cpu/registers.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get_hl(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_hl`
[INFO] [stdout]   --> src/cpu/registers.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn set_hl(&mut self, val: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Instruction`
[INFO] [stdout]  --> src/cpu/instructions.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Instruction {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Target`
[INFO] [stdout]  --> src/cpu/instructions.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Target {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `registers`
[INFO] [stdout]  --> src/cpu/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     registers: Registers,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/cpu/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn execute(&mut self, instruction: Instruction ) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/cpu/mod.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn add(&mut self, value: u8) -> u8{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "a3fdc6ad1e497b1cc86a7eaa87888214640df9e8f8393af067ea488b806c0763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3fdc6ad1e497b1cc86a7eaa87888214640df9e8f8393af067ea488b806c0763", kill_on_drop: false }`
[INFO] [stdout] a3fdc6ad1e497b1cc86a7eaa87888214640df9e8f8393af067ea488b806c0763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e8d9e8d53694de0eb9f699c3e95b5eaf59befeac697e34b825656b4d15dd5a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e8d9e8d53694de0eb9f699c3e95b5eaf59befeac697e34b825656b4d15dd5a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-boi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/cpu/mod.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             _ => {
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut cpu = CPU::new();
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut cpu = CPU::new();
[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: associated function is never used: `get_bc`
[INFO] [stdout]   --> src/cpu/registers.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn get_bc(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bc`
[INFO] [stdout]   --> src/cpu/registers.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn set_bc(&mut self, val: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_de`
[INFO] [stdout]   --> src/cpu/registers.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn get_de(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_de`
[INFO] [stdout]   --> src/cpu/registers.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn set_de(&mut self, val: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hl`
[INFO] [stdout]   --> src/cpu/registers.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get_hl(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_hl`
[INFO] [stdout]   --> src/cpu/registers.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn set_hl(&mut self, val: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Instruction`
[INFO] [stdout]  --> src/cpu/instructions.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Instruction {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Target`
[INFO] [stdout]  --> src/cpu/instructions.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Target {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `registers`
[INFO] [stdout]  --> src/cpu/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     registers: Registers,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/cpu/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn execute(&mut self, instruction: Instruction ) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/cpu/mod.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn add(&mut self, value: u8) -> u8{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "4e8d9e8d53694de0eb9f699c3e95b5eaf59befeac697e34b825656b4d15dd5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8d9e8d53694de0eb9f699c3e95b5eaf59befeac697e34b825656b4d15dd5a4", kill_on_drop: false }`
[INFO] [stdout] 4e8d9e8d53694de0eb9f699c3e95b5eaf59befeac697e34b825656b4d15dd5a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9e25aca98845236cd4def2248928caa1ead0cda01fd402c47caad7714fa3221
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9e25aca98845236cd4def2248928caa1ead0cda01fd402c47caad7714fa3221", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/cpu/mod.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             _ => {
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut cpu = CPU::new();
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut cpu = CPU::new();
[INFO] [stderr]   |         ----^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_bc`
[INFO] [stderr]   --> src/cpu/registers.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn get_bc(&self) -> u16 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_bc`
[INFO] [stderr]   --> src/cpu/registers.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn set_bc(&mut self, val: u16) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_de`
[INFO] [stderr]   --> src/cpu/registers.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_de(&self) -> u16 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_de`
[INFO] [stderr]   --> src/cpu/registers.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn set_de(&mut self, val: u16) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_hl`
[INFO] [stderr]   --> src/cpu/registers.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn get_hl(&self) -> u16 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_hl`
[INFO] [stderr]   --> src/cpu/registers.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn set_hl(&mut self, val: u16) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Instruction`
[INFO] [stderr]  --> src/cpu/instructions.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Instruction {
[INFO] [stderr]   |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Target`
[INFO] [stderr]  --> src/cpu/instructions.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum Target {
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `registers`
[INFO] [stderr]  --> src/cpu/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     registers: Registers,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]   --> src/cpu/mod.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn execute(&mut self, instruction: Instruction ) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/cpu/mod.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn add(&mut self, value: u8) -> u8{
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_boi-4a47940515815b9f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9e25aca98845236cd4def2248928caa1ead0cda01fd402c47caad7714fa3221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e25aca98845236cd4def2248928caa1ead0cda01fd402c47caad7714fa3221", kill_on_drop: false }`
[INFO] [stdout] f9e25aca98845236cd4def2248928caa1ead0cda01fd402c47caad7714fa3221