[INFO] cloning repository https://github.com/MatthewMcDade13/rusty-i8080
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MatthewMcDade13/rusty-i8080" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewMcDade13%2Frusty-i8080", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewMcDade13%2Frusty-i8080'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f41bbf7443b86cd40dd3e447167df767e5795720
[INFO] checking MatthewMcDade13/rusty-i8080 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewMcDade13%2Frusty-i8080" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MatthewMcDade13/rusty-i8080 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MatthewMcDade13/rusty-i8080
[INFO] finished tweaking git repo https://github.com/MatthewMcDade13/rusty-i8080
[INFO] tweaked toml for git repo https://github.com/MatthewMcDade13/rusty-i8080 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/MatthewMcDade13/rusty-i8080 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf913390364b663dd49b6e3de75e89ec21704fd7705658dd182e1b1995634746
[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" "cf913390364b663dd49b6e3de75e89ec21704fd7705658dd182e1b1995634746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf913390364b663dd49b6e3de75e89ec21704fd7705658dd182e1b1995634746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf913390364b663dd49b6e3de75e89ec21704fd7705658dd182e1b1995634746", kill_on_drop: false }`
[INFO] [stdout] cf913390364b663dd49b6e3de75e89ec21704fd7705658dd182e1b1995634746
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9afaf2b8dfe9e27b4fcde8280dfebb564fb63351d4487dd5544a1ac9cd920aac
[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" "9afaf2b8dfe9e27b4fcde8280dfebb564fb63351d4487dd5544a1ac9cd920aac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rusty-i8080 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]    --> src/cpu.rs:529:25
[INFO] [stdout]     |
[INFO] [stdout] 529 |         func_ptr: |cpu, b2, _| { 
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]    --> src/cpu.rs:597:25
[INFO] [stdout]     |
[INFO] [stdout] 597 |         func_ptr: |cpu, b2, b3| { 
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b3`
[INFO] [stdout]    --> src/cpu.rs:597:29
[INFO] [stdout]     |
[INFO] [stdout] 597 |         func_ptr: |cpu, b2, b3| { 
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_b3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_bit`
[INFO] [stdout]   --> src/cpu.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn as_bit(&self, flag: ConditionFlag) -> u8 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opcode`
[INFO] [stdout]   --> src/cpu.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     opcode: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disassembly`
[INFO] [stdout]   --> src/cpu.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     disassembly: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `func_symbols`
[INFO] [stdout]   --> src/cpu.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     func_symbols: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `effected_flags`
[INFO] [stdout]   --> src/cpu.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     effected_flags: Option<&'static str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sp`
[INFO] [stdout]   --> src/cpu.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     sp: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/cpu.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     a: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]   --> src/cpu.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     b: u8, c: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]   --> src/cpu.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     b: u8, c: u8,
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `d`
[INFO] [stdout]   --> src/cpu.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     d: u8, e: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]   --> src/cpu.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     d: u8, e: u8,
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]   --> src/cpu.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     h: u8, l: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `l`
[INFO] [stdout]   --> src/cpu.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     h: u8, l: u8,
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `halted`
[INFO] [stdout]   --> src/cpu.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     halted: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `condition_codes`
[INFO] [stdout]   --> src/cpu.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     condition_codes: ConditionBitset,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adc`
[INFO] [stdout]   --> src/cpu.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn adc(&mut self, val: u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sbb`
[INFO] [stdout]   --> src/cpu.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn sbb(&mut self, val: u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]    --> src/cpu.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn add(&mut self, val: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sub`
[INFO] [stdout]    --> src/cpu.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn sub(&mut self, val: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inr`
[INFO] [stdout]    --> src/cpu.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn inr(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dcr`
[INFO] [stdout]    --> src/cpu.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn dcr(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_zero`
[INFO] [stdout]    --> src/cpu.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn check_zero(&mut self, result: u16) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_sign`
[INFO] [stdout]    --> src/cpu.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn check_sign(&mut self, result: u16) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_parity`
[INFO] [stdout]    --> src/cpu.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn check_parity(&mut self, result: u32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_carry`
[INFO] [stdout]    --> src/cpu.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn check_carry(&mut self, result: u16) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fill_opcode_table`
[INFO] [stdout]    --> src/cpu.rs:194:4
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn fill_opcode_table(optable: &mut HashMap<u8, Instruction>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insert_instruction`
[INFO] [stdout]     --> src/cpu.rs:1077:4
[INFO] [stdout]      |
[INFO] [stdout] 1077 | fn insert_instruction(optable: &mut HashMap<u8, Instruction>, instruction: Instruction) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_register_pair`
[INFO] [stdout]     --> src/cpu.rs:1081:4
[INFO] [stdout]      |
[INFO] [stdout] 1081 | fn set_register_pair(high: &mut u8, low: &mut u8, scalar: u16) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `combine_bytes`
[INFO] [stdout]     --> src/cpu.rs:1088:10
[INFO] [stdout]      |
[INFO] [stdout] 1088 | const fn combine_bytes(high: u8, low: u8) -> u16 {
[INFO] [stdout]      |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parity`
[INFO] [stdout]     --> src/cpu.rs:1093:10
[INFO] [stdout]      |
[INFO] [stdout] 1093 | const fn parity(n: u32) -> bool {
[INFO] [stdout]      |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sign_flag`
[INFO] [stdout]     --> src/cpu.rs:1103:10
[INFO] [stdout]      |
[INFO] [stdout] 1103 | const fn sign_flag(n: u16) -> bool {
[INFO] [stdout]      |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `carry_flag`
[INFO] [stdout]     --> src/cpu.rs:1107:10
[INFO] [stdout]      |
[INFO] [stdout] 1107 | const fn carry_flag(n: u16) -> bool {
[INFO] [stdout]      |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]    --> src/cpu.rs:529:25
[INFO] [stdout]     |
[INFO] [stdout] 529 |         func_ptr: |cpu, b2, _| { 
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]    --> src/cpu.rs:597:25
[INFO] [stdout]     |
[INFO] [stdout] 597 |         func_ptr: |cpu, b2, b3| { 
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b3`
[INFO] [stdout]    --> src/cpu.rs:597:29
[INFO] [stdout]     |
[INFO] [stdout] 597 |         func_ptr: |cpu, b2, b3| { 
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_b3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_bit`
[INFO] [stdout]   --> src/cpu.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn as_bit(&self, flag: ConditionFlag) -> u8 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opcode`
[INFO] [stdout]   --> src/cpu.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     opcode: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disassembly`
[INFO] [stdout]   --> src/cpu.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     disassembly: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `func_symbols`
[INFO] [stdout]   --> src/cpu.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     func_symbols: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `effected_flags`
[INFO] [stdout]   --> src/cpu.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     effected_flags: Option<&'static str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sp`
[INFO] [stdout]   --> src/cpu.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     sp: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/cpu.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     a: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]   --> src/cpu.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     b: u8, c: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]   --> src/cpu.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     b: u8, c: u8,
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `d`
[INFO] [stdout]   --> src/cpu.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     d: u8, e: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]   --> src/cpu.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     d: u8, e: u8,
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]   --> src/cpu.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     h: u8, l: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `l`
[INFO] [stdout]   --> src/cpu.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     h: u8, l: u8,
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `halted`
[INFO] [stdout]   --> src/cpu.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     halted: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `condition_codes`
[INFO] [stdout]   --> src/cpu.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     condition_codes: ConditionBitset,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adc`
[INFO] [stdout]   --> src/cpu.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn adc(&mut self, val: u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sbb`
[INFO] [stdout]   --> src/cpu.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn sbb(&mut self, val: u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]    --> src/cpu.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn add(&mut self, val: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sub`
[INFO] [stdout]    --> src/cpu.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn sub(&mut self, val: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inr`
[INFO] [stdout]    --> src/cpu.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn inr(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dcr`
[INFO] [stdout]    --> src/cpu.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn dcr(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_zero`
[INFO] [stdout]    --> src/cpu.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn check_zero(&mut self, result: u16) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_sign`
[INFO] [stdout]    --> src/cpu.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn check_sign(&mut self, result: u16) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_parity`
[INFO] [stdout]    --> src/cpu.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn check_parity(&mut self, result: u32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_carry`
[INFO] [stdout]    --> src/cpu.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn check_carry(&mut self, result: u16) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fill_opcode_table`
[INFO] [stdout]    --> src/cpu.rs:194:4
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn fill_opcode_table(optable: &mut HashMap<u8, Instruction>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insert_instruction`
[INFO] [stdout]     --> src/cpu.rs:1077:4
[INFO] [stdout]      |
[INFO] [stdout] 1077 | fn insert_instruction(optable: &mut HashMap<u8, Instruction>, instruction: Instruction) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_register_pair`
[INFO] [stdout]     --> src/cpu.rs:1081:4
[INFO] [stdout]      |
[INFO] [stdout] 1081 | fn set_register_pair(high: &mut u8, low: &mut u8, scalar: u16) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `combine_bytes`
[INFO] [stdout]     --> src/cpu.rs:1088:10
[INFO] [stdout]      |
[INFO] [stdout] 1088 | const fn combine_bytes(high: u8, low: u8) -> u16 {
[INFO] [stdout]      |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parity`
[INFO] [stdout]     --> src/cpu.rs:1093:10
[INFO] [stdout]      |
[INFO] [stdout] 1093 | const fn parity(n: u32) -> bool {
[INFO] [stdout]      |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sign_flag`
[INFO] [stdout]     --> src/cpu.rs:1103:10
[INFO] [stdout]      |
[INFO] [stdout] 1103 | const fn sign_flag(n: u16) -> bool {
[INFO] [stdout]      |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `carry_flag`
[INFO] [stdout]     --> src/cpu.rs:1107:10
[INFO] [stdout]      |
[INFO] [stdout] 1107 | const fn carry_flag(n: u16) -> bool {
[INFO] [stdout]      |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> examples/invaders.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let f = cpu::read_file("invaders_rom/invaders.h")?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fun`
[INFO] [stdout]  --> examples/invaders.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn fun(h: u8, l: u8) {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `register_pair`
[INFO] [stdout]   --> examples/invaders.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | const fn register_pair(high: u8, low: u8) -> u16 {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "9afaf2b8dfe9e27b4fcde8280dfebb564fb63351d4487dd5544a1ac9cd920aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9afaf2b8dfe9e27b4fcde8280dfebb564fb63351d4487dd5544a1ac9cd920aac", kill_on_drop: false }`
[INFO] [stdout] 9afaf2b8dfe9e27b4fcde8280dfebb564fb63351d4487dd5544a1ac9cd920aac