[INFO] cloning repository https://github.com/JDRobotter/rgg
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JDRobotter/rgg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJDRobotter%2Frgg"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJDRobotter%2Frgg'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 61957815d2a61b709ed8552203a5fe0206e0c469
[INFO] checking JDRobotter/rgg against master#e2223c94bf433fc38234d1303e88cbaf14755863 for pr-69548
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJDRobotter%2Frgg" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JDRobotter/rgg on toolchain e2223c94bf433fc38234d1303e88cbaf14755863
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JDRobotter/rgg
[INFO] finished tweaking git repo https://github.com/JDRobotter/rgg
[INFO] tweaked toml for git repo https://github.com/JDRobotter/rgg written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/JDRobotter/rgg already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e2223c94bf433fc38234d1303e88cbaf14755863" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 77aa09840d1e0470526bd572de8e2f5470371544220fba4ad491d95352f3147c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "77aa09840d1e0470526bd572de8e2f5470371544220fba4ad491d95352f3147c"`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rgg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `gg`
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut gg = system::GameGear::new(rom);
[INFO] [stderr]    |             ^^ help: consider prefixing with an underscore: `_gg`
[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:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut rom = rom.unwrap();
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut gg = system::GameGear::new(rom);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gg`
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut gg = system::GameGear::new(rom);
[INFO] [stderr]    |             ^^ help: consider prefixing with an underscore: `_gg`
[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:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut rom = rom.unwrap();
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut gg = system::GameGear::new(rom);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: private type `cpu::z80_decoder::Z80InstructionByte` in public interface (error E0446)
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 | /     pub fn match_special(&mut self, mbytes:&[Z80InstructionByte]) -> bool {
[INFO] [stderr] 329 | |
[INFO] [stderr] 330 | |         // check size
[INFO] [stderr] 331 | |         let n = mbytes.len();
[INFO] [stderr] ...   |
[INFO] [stderr] 356 | |         return true;
[INFO] [stderr] 357 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stderr]  --> src/cpu/z80.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     a: u8,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `b`
[INFO] [stderr]  --> src/cpu/z80.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     b: u8,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `d`
[INFO] [stderr]  --> src/cpu/z80.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     d: u8,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `h`
[INFO] [stderr]   --> src/cpu/z80.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     h: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `f`
[INFO] [stderr]   --> src/cpu/z80.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     f: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `c`
[INFO] [stderr]   --> src/cpu/z80.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     c: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `e`
[INFO] [stderr]   --> src/cpu/z80.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     e: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `l`
[INFO] [stderr]   --> src/cpu/z80.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     l: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `iv`
[INFO] [stderr]   --> src/cpu/z80.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     iv: u8,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mr`
[INFO] [stderr]   --> src/cpu/z80.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     mr: u8,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pc`
[INFO] [stderr]   --> src/cpu/z80.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pc: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sp`
[INFO] [stderr]   --> src/cpu/z80.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     sp: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ix`
[INFO] [stderr]   --> src/cpu/z80.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     ix: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `iy`
[INFO] [stderr]   --> src/cpu/z80.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     iy: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `registers`
[INFO] [stderr]   --> src/cpu/z80.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     registers: Z80Registers,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `decoder`
[INFO] [stderr]   --> src/cpu/z80.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     decoder: Z80InstructionDecoder,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/cpu/z80.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn step(&mut self, bus:&mut SystemBus) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Z80InstructionLocation`
[INFO] [stderr]  --> src/cpu/z80_decoder.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum Z80InstructionLocation {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]   --> src/cpu/z80_decoder.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn to_string(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Z80JumpCondition`
[INFO] [stderr]   --> src/cpu/z80_decoder.rs:78:10
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub enum Z80JumpCondition {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]   --> src/cpu/z80_decoder.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn to_string(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Z80Instruction`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:107:10
[INFO] [stderr]     |
[INFO] [stderr] 107 | pub enum Z80Instruction {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn to_string(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Z80InstructionByte`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:254:6
[INFO] [stderr]     |
[INFO] [stderr] 254 | enum Z80InstructionByte {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `in_values`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 |     in_values: Vec<u8>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `in_buffer`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:264:5
[INFO] [stderr]     |
[INFO] [stderr] 264 |     in_buffer: Vec<u8>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     pub fn push(&mut self, byte:u8) -> Option<Z80Instruction> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `match_byte`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:303:5
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub fn match_byte(& self, byte:u8) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `match_bytes`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     pub fn match_bytes(& self, bytes:&[u8]) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `match_special`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 |     pub fn match_special(&mut self, mbytes:&[Z80InstructionByte]) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `matched_value`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:359:5
[INFO] [stderr]     |
[INFO] [stderr] 359 |     pub fn matched_value(&self, i: usize) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_u16`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:363:5
[INFO] [stderr]     |
[INFO] [stderr] 363 |     pub fn to_u16(lo: u8, hi: u8) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `matched_value_u16`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:367:5
[INFO] [stderr]     |
[INFO] [stderr] 367 |     pub fn matched_value_u16(&self, i: usize) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug_show_in_buffer`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:375:5
[INFO] [stderr]     |
[INFO] [stderr] 375 |     pub fn debug_show_in_buffer(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: private type `cpu::z80_decoder::Z80InstructionByte` in public interface (error E0446)
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 | /     pub fn match_special(&mut self, mbytes:&[Z80InstructionByte]) -> bool {
[INFO] [stderr] 329 | |
[INFO] [stderr] 330 | |         // check size
[INFO] [stderr] 331 | |         let n = mbytes.len();
[INFO] [stderr] ...   |
[INFO] [stderr] 356 | |         return true;
[INFO] [stderr] 357 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_r_to_location`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:383:5
[INFO] [stderr]     |
[INFO] [stderr] 383 |     fn op_r_to_location(r: u8) -> ZIL {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decode_CB_bit_manipulation`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:397:5
[INFO] [stderr]     |
[INFO] [stderr] 397 |     fn decode_CB_bit_manipulation(&mut self, byte: u8, oix: Option<Z80InstructionLocation>) -> Option<Z80Instruction> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stderr]  --> src/cpu/z80.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     a: u8,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decode_instruction`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:458:5
[INFO] [stderr]     |
[INFO] [stderr] 458 |     pub fn decode_instruction(&mut self) -> Option<Z80Instruction> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `b`
[INFO] [stderr]  --> src/cpu/z80.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     b: u8,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rom`
[INFO] [stderr]  --> src/system/bus.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rom:Rom,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `work_ram`
[INFO] [stderr]  --> src/system/bus.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     work_ram:Ram,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `d`
[INFO] [stderr]  --> src/cpu/z80.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     d: u8,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `h`
[INFO] [stderr]   --> src/cpu/z80.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     h: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cpu_read`
[INFO] [stderr]   --> src/system/bus.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn cpu_read(&self, addr:u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `f`
[INFO] [stderr]   --> src/cpu/z80.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     f: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cpu_write`
[INFO] [stderr]   --> src/system/bus.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn cpu_write(&mut self, addr:u16, data:u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bus`
[INFO] [stderr]  --> src/system/gamegear.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     bus: SystemBus,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `c`
[INFO] [stderr]   --> src/cpu/z80.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     c: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `e`
[INFO] [stderr]   --> src/cpu/z80.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     e: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `l`
[INFO] [stderr]   --> src/cpu/z80.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     l: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `iv`
[INFO] [stderr]   --> src/cpu/z80.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     iv: u8,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mr`
[INFO] [stderr]   --> src/cpu/z80.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     mr: u8,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pc`
[INFO] [stderr]   --> src/cpu/z80.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pc: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sp`
[INFO] [stderr]   --> src/cpu/z80.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     sp: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ix`
[INFO] [stderr]   --> src/cpu/z80.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     ix: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `iy`
[INFO] [stderr]   --> src/cpu/z80.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     iy: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `registers`
[INFO] [stderr]   --> src/cpu/z80.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     registers: Z80Registers,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `decoder`
[INFO] [stderr]   --> src/cpu/z80.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     decoder: Z80InstructionDecoder,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/cpu/z80.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn step(&mut self, bus:&mut SystemBus) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Z80InstructionLocation`
[INFO] [stderr]  --> src/cpu/z80_decoder.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum Z80InstructionLocation {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]   --> src/cpu/z80_decoder.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn to_string(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Z80JumpCondition`
[INFO] [stderr]   --> src/cpu/z80_decoder.rs:78:10
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub enum Z80JumpCondition {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]   --> src/cpu/z80_decoder.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn to_string(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Z80Instruction`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:107:10
[INFO] [stderr]     |
[INFO] [stderr] 107 | pub enum Z80Instruction {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn to_string(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Z80InstructionByte`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:254:6
[INFO] [stderr]     |
[INFO] [stderr] 254 | enum Z80InstructionByte {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `in_values`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 |     in_values: Vec<u8>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `in_buffer`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:264:5
[INFO] [stderr]     |
[INFO] [stderr] 264 |     in_buffer: Vec<u8>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     pub fn push(&mut self, byte:u8) -> Option<Z80Instruction> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `match_byte`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:303:5
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub fn match_byte(& self, byte:u8) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cpu`
[INFO] [stderr]   --> src/system/gamegear.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     cpu: Z80,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `match_bytes`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     pub fn match_bytes(& self, bytes:&[u8]) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/system/gamegear.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn step(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/memory/rom.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&self, addr:u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]  --> src/memory/ram.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     data: [u8;8192],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `match_special`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 |     pub fn match_special(&mut self, mbytes:&[Z80InstructionByte]) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `matched_value`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:359:5
[INFO] [stderr]     |
[INFO] [stderr] 359 |     pub fn matched_value(&self, i: usize) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/memory/ram.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn write(&mut self, addr:u16, byte:u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/memory/ram.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&self, addr:u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_u16`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:363:5
[INFO] [stderr]     |
[INFO] [stderr] 363 |     pub fn to_u16(lo: u8, hi: u8) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `matched_value_u16`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:367:5
[INFO] [stderr]     |
[INFO] [stderr] 367 |     pub fn matched_value_u16(&self, i: usize) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug_show_in_buffer`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:375:5
[INFO] [stderr]     |
[INFO] [stderr] 375 |     pub fn debug_show_in_buffer(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `op_r_to_location`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:383:5
[INFO] [stderr]     |
[INFO] [stderr] 383 |     fn op_r_to_location(r: u8) -> ZIL {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decode_CB_bit_manipulation`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:397:5
[INFO] [stderr]     |
[INFO] [stderr] 397 |     fn decode_CB_bit_manipulation(&mut self, byte: u8, oix: Option<Z80InstructionLocation>) -> Option<Z80Instruction> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `decode_CB_bit_manipulation` should have a snake case name
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:397:8
[INFO] [stderr]     |
[INFO] [stderr] 397 |     fn decode_CB_bit_manipulation(&mut self, byte: u8, oix: Option<Z80InstructionLocation>) -> Option<Z80Instruction> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `decode_cb_bit_manipulation`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decode_instruction`
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:458:5
[INFO] [stderr]     |
[INFO] [stderr] 458 |     pub fn decode_instruction(&mut self) -> Option<Z80Instruction> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rom`
[INFO] [stderr]  --> src/system/bus.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rom:Rom,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `work_ram`
[INFO] [stderr]  --> src/system/bus.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     work_ram:Ram,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cpu_read`
[INFO] [stderr]   --> src/system/bus.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn cpu_read(&self, addr:u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cpu_write`
[INFO] [stderr]   --> src/system/bus.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn cpu_write(&mut self, addr:u16, data:u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bus`
[INFO] [stderr]  --> src/system/gamegear.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     bus: SystemBus,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cpu`
[INFO] [stderr]   --> src/system/gamegear.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     cpu: Z80,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/system/gamegear.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn step(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/memory/rom.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&self, addr:u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]  --> src/memory/ram.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     data: [u8;8192],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/memory/ram.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn write(&mut self, addr:u16, byte:u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/memory/ram.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&self, addr:u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `decode_CB_bit_manipulation` should have a snake case name
[INFO] [stderr]    --> src/cpu/z80_decoder.rs:397:8
[INFO] [stderr]     |
[INFO] [stderr] 397 |     fn decode_CB_bit_manipulation(&mut self, byte: u8, oix: Option<Z80InstructionLocation>) -> Option<Z80Instruction> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `decode_cb_bit_manipulation`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `"docker" "inspect" "77aa09840d1e0470526bd572de8e2f5470371544220fba4ad491d95352f3147c"`
[INFO] running `"docker" "rm" "-f" "77aa09840d1e0470526bd572de8e2f5470371544220fba4ad491d95352f3147c"`
[INFO] [stdout] 77aa09840d1e0470526bd572de8e2f5470371544220fba4ad491d95352f3147c