[INFO] cloning repository https://github.com/hellopatrick/piranha
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hellopatrick/piranha" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellopatrick%2Fpiranha"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellopatrick%2Fpiranha'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 042cd1b19b6187120d4964b6195581df6079f373
[INFO] checking hellopatrick/piranha against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellopatrick%2Fpiranha" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hellopatrick/piranha on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hellopatrick/piranha
[INFO] finished tweaking git repo https://github.com/hellopatrick/piranha
[INFO] tweaked toml for git repo https://github.com/hellopatrick/piranha written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hellopatrick/piranha already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 7b3aca50046a552eb4a12aaaa3797d746815370e5336ed067184635bf93c1053
[INFO] running `"docker" "start" "-a" "7b3aca50046a552eb4a12aaaa3797d746815370e5336ed067184635bf93c1053"`
[INFO] [stderr]     Checking piranha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/cpu.rs:64:7
[INFO] [stderr]    |
[INFO] [stderr] 64 |       _ => panic!("instruction not implemented"),
[INFO] [stderr]    |       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/cpu.rs:64:7
[INFO] [stderr]    |
[INFO] [stderr] 64 |       _ => panic!("instruction not implemented"),
[INFO] [stderr]    |       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]   --> src/cpu.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 |   fn inc(&mut self, target: RegisterPair) {}
[INFO] [stderr]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]   --> src/cpu.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 |   fn inc(&mut self, target: RegisterPair) {}
[INFO] [stderr]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_byte`
[INFO] [stderr]   --> src/bus.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fn read_byte(&self, loc: u16) -> u8 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `chomp_byte`
[INFO] [stderr]   --> src/cpu.rs:25:3
[INFO] [stderr]    |
[INFO] [stderr] 25 |   pub fn chomp_byte(&mut self) -> u8 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `chomp_word`
[INFO] [stderr]   --> src/cpu.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |   pub fn chomp_word(&mut self) -> u16 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/cpu.rs:42:3
[INFO] [stderr]    |
[INFO] [stderr] 42 |   pub fn step(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute`
[INFO] [stderr]   --> src/cpu.rs:57:3
[INFO] [stderr]    |
[INFO] [stderr] 57 |   fn execute(&mut self, instruction: Instruction) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `noop`
[INFO] [stderr]   --> src/cpu.rs:68:3
[INFO] [stderr]    |
[INFO] [stderr] 68 |   fn noop(&mut self) {}
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `halt`
[INFO] [stderr]   --> src/cpu.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |   fn halt(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/cpu.rs:74:3
[INFO] [stderr]    |
[INFO] [stderr] 74 |   fn add(&mut self, target: Register) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inc`
[INFO] [stderr]   --> src/cpu.rs:87:3
[INFO] [stderr]    |
[INFO] [stderr] 87 |   fn inc(&mut self, target: RegisterPair) {}
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `jump`
[INFO] [stderr]   --> src/cpu.rs:89:3
[INFO] [stderr]    |
[INFO] [stderr] 89 |   fn jump(&mut self, test: JumpTest) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `JumpTest`
[INFO] [stderr]  --> src/instruction.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum JumpTest {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Target`
[INFO] [stderr]   --> src/instruction.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Target {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Instruction`
[INFO] [stderr]   --> src/instruction.rs:29:10
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub enum Instruction {
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `of_byte`
[INFO] [stderr]   --> src/instruction.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 38 |   pub fn of_byte(byte: u8, prefixed: bool) -> Option<Self> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `of_unprefixed_byte`
[INFO] [stderr]   --> src/instruction.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn of_unprefixed_byte(byte: u8) -> Option<Self> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `of_prefixed_byte`
[INFO] [stderr]   --> src/instruction.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   pub fn of_prefixed_byte(byte: u8) -> Option<Self> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/registers.rs:54:3
[INFO] [stderr]    |
[INFO] [stderr] 54 |   A,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]   --> src/registers.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   B,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C`
[INFO] [stderr]   --> src/registers.rs:56:3
[INFO] [stderr]    |
[INFO] [stderr] 56 |   C,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D`
[INFO] [stderr]   --> src/registers.rs:57:3
[INFO] [stderr]    |
[INFO] [stderr] 57 |   D,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E`
[INFO] [stderr]   --> src/registers.rs:58:3
[INFO] [stderr]    |
[INFO] [stderr] 58 |   E,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F`
[INFO] [stderr]   --> src/registers.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |   F,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H`
[INFO] [stderr]   --> src/registers.rs:60:3
[INFO] [stderr]    |
[INFO] [stderr] 60 |   H,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `L`
[INFO] [stderr]   --> src/registers.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |   L,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AF`
[INFO] [stderr]   --> src/registers.rs:66:3
[INFO] [stderr]    |
[INFO] [stderr] 66 |   AF,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BC`
[INFO] [stderr]   --> src/registers.rs:67:3
[INFO] [stderr]    |
[INFO] [stderr] 67 |   BC,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DE`
[INFO] [stderr]   --> src/registers.rs:68:3
[INFO] [stderr]    |
[INFO] [stderr] 68 |   DE,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HL`
[INFO] [stderr]   --> src/registers.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |   HL,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HLI`
[INFO] [stderr]   --> src/registers.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |   HLI,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HLD`
[INFO] [stderr]   --> src/registers.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 |   HLD,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]    --> src/registers.rs:100:3
[INFO] [stderr]     |
[INFO] [stderr] 100 |   pub fn get(&self, register: Register) -> u8 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_pair`
[INFO] [stderr]    --> src/registers.rs:113:3
[INFO] [stderr]     |
[INFO] [stderr] 113 |   pub fn get_pair(&mut self, pair: RegisterPair) -> u16 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `af`
[INFO] [stderr]    --> src/registers.rs:124:3
[INFO] [stderr]     |
[INFO] [stderr] 124 |   pub fn af(&self) -> u16 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_af`
[INFO] [stderr]    --> src/registers.rs:130:3
[INFO] [stderr]     |
[INFO] [stderr] 130 |   pub fn set_af(&mut self, value: u16) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bc`
[INFO] [stderr]    --> src/registers.rs:137:3
[INFO] [stderr]     |
[INFO] [stderr] 137 |   pub fn bc(&self) -> u16 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_bc`
[INFO] [stderr]    --> src/registers.rs:141:3
[INFO] [stderr]     |
[INFO] [stderr] 141 |   pub fn set_bc(&mut self, value: u16) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `de`
[INFO] [stderr]    --> src/registers.rs:148:3
[INFO] [stderr]     |
[INFO] [stderr] 148 |   pub fn de(&self) -> u16 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_de`
[INFO] [stderr]    --> src/registers.rs:152:3
[INFO] [stderr]     |
[INFO] [stderr] 152 |   pub fn set_de(&mut self, value: u16) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hl`
[INFO] [stderr]    --> src/registers.rs:159:3
[INFO] [stderr]     |
[INFO] [stderr] 159 |   pub fn hl(&self) -> u16 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_hl`
[INFO] [stderr]    --> src/registers.rs:163:3
[INFO] [stderr]     |
[INFO] [stderr] 163 |   pub fn set_hl(&mut self, value: u16) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hld`
[INFO] [stderr]    --> src/registers.rs:170:3
[INFO] [stderr]     |
[INFO] [stderr] 170 |   pub fn hld(&mut self) -> u16 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hli`
[INFO] [stderr]    --> src/registers.rs:177:3
[INFO] [stderr]     |
[INFO] [stderr] 177 |   pub fn hli(&mut self) -> u16 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_byte`
[INFO] [stderr]   --> src/bus.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fn read_byte(&self, loc: u16) -> u8 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `chomp_byte`
[INFO] [stderr]   --> src/cpu.rs:25:3
[INFO] [stderr]    |
[INFO] [stderr] 25 |   pub fn chomp_byte(&mut self) -> u8 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `chomp_word`
[INFO] [stderr]   --> src/cpu.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |   pub fn chomp_word(&mut self) -> u16 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/cpu.rs:42:3
[INFO] [stderr]    |
[INFO] [stderr] 42 |   pub fn step(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute`
[INFO] [stderr]   --> src/cpu.rs:57:3
[INFO] [stderr]    |
[INFO] [stderr] 57 |   fn execute(&mut self, instruction: Instruction) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `noop`
[INFO] [stderr]   --> src/cpu.rs:68:3
[INFO] [stderr]    |
[INFO] [stderr] 68 |   fn noop(&mut self) {}
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `halt`
[INFO] [stderr]   --> src/cpu.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |   fn halt(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/cpu.rs:74:3
[INFO] [stderr]    |
[INFO] [stderr] 74 |   fn add(&mut self, target: Register) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inc`
[INFO] [stderr]   --> src/cpu.rs:87:3
[INFO] [stderr]    |
[INFO] [stderr] 87 |   fn inc(&mut self, target: RegisterPair) {}
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `jump`
[INFO] [stderr]   --> src/cpu.rs:89:3
[INFO] [stderr]    |
[INFO] [stderr] 89 |   fn jump(&mut self, test: JumpTest) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `JumpTest`
[INFO] [stderr]  --> src/instruction.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum JumpTest {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Target`
[INFO] [stderr]   --> src/instruction.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Target {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Instruction`
[INFO] [stderr]   --> src/instruction.rs:29:10
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub enum Instruction {
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `of_byte`
[INFO] [stderr]   --> src/instruction.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 38 |   pub fn of_byte(byte: u8, prefixed: bool) -> Option<Self> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `of_unprefixed_byte`
[INFO] [stderr]   --> src/instruction.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn of_unprefixed_byte(byte: u8) -> Option<Self> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `of_prefixed_byte`
[INFO] [stderr]   --> src/instruction.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   pub fn of_prefixed_byte(byte: u8) -> Option<Self> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/registers.rs:54:3
[INFO] [stderr]    |
[INFO] [stderr] 54 |   A,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]   --> src/registers.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   B,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C`
[INFO] [stderr]   --> src/registers.rs:56:3
[INFO] [stderr]    |
[INFO] [stderr] 56 |   C,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D`
[INFO] [stderr]   --> src/registers.rs:57:3
[INFO] [stderr]    |
[INFO] [stderr] 57 |   D,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E`
[INFO] [stderr]   --> src/registers.rs:58:3
[INFO] [stderr]    |
[INFO] [stderr] 58 |   E,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F`
[INFO] [stderr]   --> src/registers.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |   F,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H`
[INFO] [stderr]   --> src/registers.rs:60:3
[INFO] [stderr]    |
[INFO] [stderr] 60 |   H,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `L`
[INFO] [stderr]   --> src/registers.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |   L,
[INFO] [stderr]    |   ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AF`
[INFO] [stderr]   --> src/registers.rs:66:3
[INFO] [stderr]    |
[INFO] [stderr] 66 |   AF,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BC`
[INFO] [stderr]   --> src/registers.rs:67:3
[INFO] [stderr]    |
[INFO] [stderr] 67 |   BC,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DE`
[INFO] [stderr]   --> src/registers.rs:68:3
[INFO] [stderr]    |
[INFO] [stderr] 68 |   DE,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HL`
[INFO] [stderr]   --> src/registers.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |   HL,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HLI`
[INFO] [stderr]   --> src/registers.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |   HLI,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HLD`
[INFO] [stderr]   --> src/registers.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 |   HLD,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]    --> src/registers.rs:100:3
[INFO] [stderr]     |
[INFO] [stderr] 100 |   pub fn get(&self, register: Register) -> u8 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_pair`
[INFO] [stderr]    --> src/registers.rs:113:3
[INFO] [stderr]     |
[INFO] [stderr] 113 |   pub fn get_pair(&mut self, pair: RegisterPair) -> u16 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hld`
[INFO] [stderr]    --> src/registers.rs:170:3
[INFO] [stderr]     |
[INFO] [stderr] 170 |   pub fn hld(&mut self) -> u16 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hli`
[INFO] [stderr]    --> src/registers.rs:177:3
[INFO] [stderr]     |
[INFO] [stderr] 177 |   pub fn hli(&mut self) -> u16 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 44 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 36 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "7b3aca50046a552eb4a12aaaa3797d746815370e5336ed067184635bf93c1053"`
[INFO] running `"docker" "rm" "-f" "7b3aca50046a552eb4a12aaaa3797d746815370e5336ed067184635bf93c1053"`
[INFO] [stdout] 7b3aca50046a552eb4a12aaaa3797d746815370e5336ed067184635bf93c1053