[INFO] cloning repository https://github.com/THashimov/Chip8-Solo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/THashimov/Chip8-Solo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTHashimov%2FChip8-Solo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTHashimov%2FChip8-Solo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8f1d9a495e5e9250c1e337c535545805b037c31
[INFO] checking THashimov/Chip8-Solo against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTHashimov%2FChip8-Solo" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/THashimov/Chip8-Solo on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/THashimov/Chip8-Solo
[INFO] finished tweaking git repo https://github.com/THashimov/Chip8-Solo
[INFO] tweaked toml for git repo https://github.com/THashimov/Chip8-Solo written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/THashimov/Chip8-Solo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2651a13374e6bba070d1a7a73dd2f246dfd648f3fa31894a94f2aa6425517cb
[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" "f2651a13374e6bba070d1a7a73dd2f246dfd648f3fa31894a94f2aa6425517cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2651a13374e6bba070d1a7a73dd2f246dfd648f3fa31894a94f2aa6425517cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2651a13374e6bba070d1a7a73dd2f246dfd648f3fa31894a94f2aa6425517cb", kill_on_drop: false }`
[INFO] [stdout] f2651a13374e6bba070d1a7a73dd2f246dfd648f3fa31894a94f2aa6425517cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7eb20d7ebfe9421c3d972545e0c548436db293cf94cc1373daa0809da549df5
[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" "b7eb20d7ebfe9421c3d972545e0c548436db293cf94cc1373daa0809da549df5", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `operands`
[INFO] [stdout]    --> src/cpu.rs:336:23
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn drw(&mut self, operands: Operands) {
[INFO] [stdout]     |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operands`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operands`
[INFO] [stdout]    --> src/cpu.rs:390:24
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn ld_f(&mut self, operands: Operands) {
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cpu.rs:401:13
[INFO] [stdout]     |
[INFO] [stdout] 401 |         for i in 0..self.reg[operands.x()] {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operands`
[INFO] [stdout]    --> src/cpu.rs:336:23
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn drw(&mut self, operands: Operands) {
[INFO] [stdout]     |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operands`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operands`
[INFO] [stdout]    --> src/cpu.rs:390:24
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn ld_f(&mut self, operands: Operands) {
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cpu.rs:401:13
[INFO] [stdout]     |
[INFO] [stdout] 401 |         for i in 0..self.reg[operands.x()] {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CPU`
[INFO] [stdout]  --> src/cpu.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct CPU {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instruction`
[INFO] [stdout]   --> src/cpu.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     instruction: u16
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Opcode`
[INFO] [stdout]   --> src/cpu.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Opcode {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn new(instruction: u16) -> Operands {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nnn`
[INFO] [stdout]   --> src/cpu.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn nnn(self) -> u16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nn`
[INFO] [stdout]   --> src/cpu.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn nn(self) -> u16 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `n`
[INFO] [stdout]   --> src/cpu.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn n(self) -> u16 {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x`
[INFO] [stdout]   --> src/cpu.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn x(self) -> usize {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `y`
[INFO] [stdout]   --> src/cpu.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn y(self) -> usize {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kk`
[INFO] [stdout]   --> src/cpu.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn kk(self) -> u16 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn new(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/cpu.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn run(&mut self) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch`
[INFO] [stdout]    --> src/cpu.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn fetch(&self) -> u16 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode`
[INFO] [stdout]    --> src/cpu.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn decode(instruction: u16) -> (Opcode, Operands) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]    --> src/cpu.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn execute(&mut self, opcode: Opcode, operands: Operands){
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cls`
[INFO] [stdout]    --> src/cpu.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn cls(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ret`
[INFO] [stdout]    --> src/cpu.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn ret(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jp`
[INFO] [stdout]    --> src/cpu.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn jp(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `call`
[INFO] [stdout]    --> src/cpu.rs:235:8
[INFO] [stdout]     |
[INFO] [stdout] 235 |     fn call(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `se_byte`
[INFO] [stdout]    --> src/cpu.rs:241:8
[INFO] [stdout]     |
[INFO] [stdout] 241 |     fn se_byte(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sne_byte`
[INFO] [stdout]    --> src/cpu.rs:247:8
[INFO] [stdout]     |
[INFO] [stdout] 247 |     fn sne_byte(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `se_reg`
[INFO] [stdout]    --> src/cpu.rs:253:8
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn se_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_byte`
[INFO] [stdout]    --> src/cpu.rs:259:8
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn ld_byte(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_byte`
[INFO] [stdout]    --> src/cpu.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 |     fn add_byte(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_reg`
[INFO] [stdout]    --> src/cpu.rs:267:8
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn ld_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `or_reg`
[INFO] [stdout]    --> src/cpu.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn or_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `and_reg`
[INFO] [stdout]    --> src/cpu.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 |     fn and_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `xor_reg`
[INFO] [stdout]    --> src/cpu.rs:279:8
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn xor_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_reg`
[INFO] [stdout]    --> src/cpu.rs:283:8
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn add_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sub_reg`
[INFO] [stdout]    --> src/cpu.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn sub_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shr_reg`
[INFO] [stdout]    --> src/cpu.rs:301:8
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn shr_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `subn_reg`
[INFO] [stdout]    --> src/cpu.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn subn_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shl_reg`
[INFO] [stdout]    --> src/cpu.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn shl_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sne_reg`
[INFO] [stdout]    --> src/cpu.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn sne_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ldi`
[INFO] [stdout]    --> src/cpu.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |     fn ldi(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jp_reg`
[INFO] [stdout]    --> src/cpu.rs:327:8
[INFO] [stdout]     |
[INFO] [stdout] 327 |     fn jp_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rnd_byte`
[INFO] [stdout]    --> src/cpu.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 |     fn rnd_byte(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `drw`
[INFO] [stdout]    --> src/cpu.rs:336:8
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn drw(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skp`
[INFO] [stdout]    --> src/cpu.rs:340:8
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn skp(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sknp`
[INFO] [stdout]    --> src/cpu.rs:346:8
[INFO] [stdout]     |
[INFO] [stdout] 346 |     fn sknp(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_dt`
[INFO] [stdout]    --> src/cpu.rs:352:8
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn ld_dt(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld`
[INFO] [stdout]    --> src/cpu.rs:356:8
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn ld(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ls_dt_reg`
[INFO] [stdout]    --> src/cpu.rs:378:8
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn ls_dt_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_st_reg`
[INFO] [stdout]    --> src/cpu.rs:382:8
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn ld_st_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]    --> src/cpu.rs:386:8
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn add(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_f`
[INFO] [stdout]    --> src/cpu.rs:390:8
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn ld_f(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_b`
[INFO] [stdout]    --> src/cpu.rs:394:8
[INFO] [stdout]     |
[INFO] [stdout] 394 |     fn ld_b(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_str`
[INFO] [stdout]    --> src/cpu.rs:400:8
[INFO] [stdout]     |
[INFO] [stdout] 400 |     fn ld_str(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_read`
[INFO] [stdout]    --> src/cpu.rs:406:8
[INFO] [stdout]     |
[INFO] [stdout] 406 |     fn ld_read(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/cpu.rs:288:29
[INFO] [stdout]     |
[INFO] [stdout] 288 |         self.reg[0x0F] = if result > 0xFF {1} else {0};
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CPU`
[INFO] [stdout]  --> src/cpu.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct CPU {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instruction`
[INFO] [stdout]   --> src/cpu.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     instruction: u16
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Opcode`
[INFO] [stdout]   --> src/cpu.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Opcode {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn new(instruction: u16) -> Operands {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nnn`
[INFO] [stdout]   --> src/cpu.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn nnn(self) -> u16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nn`
[INFO] [stdout]   --> src/cpu.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn nn(self) -> u16 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `n`
[INFO] [stdout]   --> src/cpu.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn n(self) -> u16 {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x`
[INFO] [stdout]   --> src/cpu.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn x(self) -> usize {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `y`
[INFO] [stdout]   --> src/cpu.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn y(self) -> usize {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kk`
[INFO] [stdout]   --> src/cpu.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn kk(self) -> u16 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn new(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/cpu.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn run(&mut self) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch`
[INFO] [stdout]    --> src/cpu.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn fetch(&self) -> u16 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode`
[INFO] [stdout]    --> src/cpu.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn decode(instruction: u16) -> (Opcode, Operands) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]    --> src/cpu.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn execute(&mut self, opcode: Opcode, operands: Operands){
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cls`
[INFO] [stdout]    --> src/cpu.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn cls(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ret`
[INFO] [stdout]    --> src/cpu.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn ret(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jp`
[INFO] [stdout]    --> src/cpu.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn jp(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `call`
[INFO] [stdout]    --> src/cpu.rs:235:8
[INFO] [stdout]     |
[INFO] [stdout] 235 |     fn call(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `se_byte`
[INFO] [stdout]    --> src/cpu.rs:241:8
[INFO] [stdout]     |
[INFO] [stdout] 241 |     fn se_byte(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sne_byte`
[INFO] [stdout]    --> src/cpu.rs:247:8
[INFO] [stdout]     |
[INFO] [stdout] 247 |     fn sne_byte(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `se_reg`
[INFO] [stdout]    --> src/cpu.rs:253:8
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn se_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_byte`
[INFO] [stdout]    --> src/cpu.rs:259:8
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn ld_byte(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_byte`
[INFO] [stdout]    --> src/cpu.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 |     fn add_byte(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_reg`
[INFO] [stdout]    --> src/cpu.rs:267:8
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn ld_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `or_reg`
[INFO] [stdout]    --> src/cpu.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn or_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `and_reg`
[INFO] [stdout]    --> src/cpu.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 |     fn and_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `xor_reg`
[INFO] [stdout]    --> src/cpu.rs:279:8
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn xor_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_reg`
[INFO] [stdout]    --> src/cpu.rs:283:8
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn add_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sub_reg`
[INFO] [stdout]    --> src/cpu.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn sub_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shr_reg`
[INFO] [stdout]    --> src/cpu.rs:301:8
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn shr_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `subn_reg`
[INFO] [stdout]    --> src/cpu.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn subn_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shl_reg`
[INFO] [stdout]    --> src/cpu.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn shl_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sne_reg`
[INFO] [stdout]    --> src/cpu.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn sne_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ldi`
[INFO] [stdout]    --> src/cpu.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |     fn ldi(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jp_reg`
[INFO] [stdout]    --> src/cpu.rs:327:8
[INFO] [stdout]     |
[INFO] [stdout] 327 |     fn jp_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rnd_byte`
[INFO] [stdout]    --> src/cpu.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 |     fn rnd_byte(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `drw`
[INFO] [stdout]    --> src/cpu.rs:336:8
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn drw(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skp`
[INFO] [stdout]    --> src/cpu.rs:340:8
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn skp(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sknp`
[INFO] [stdout]    --> src/cpu.rs:346:8
[INFO] [stdout]     |
[INFO] [stdout] 346 |     fn sknp(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_dt`
[INFO] [stdout]    --> src/cpu.rs:352:8
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn ld_dt(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld`
[INFO] [stdout]    --> src/cpu.rs:356:8
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn ld(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ls_dt_reg`
[INFO] [stdout]    --> src/cpu.rs:378:8
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn ls_dt_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_st_reg`
[INFO] [stdout]    --> src/cpu.rs:382:8
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn ld_st_reg(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]    --> src/cpu.rs:386:8
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn add(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_f`
[INFO] [stdout]    --> src/cpu.rs:390:8
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn ld_f(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_b`
[INFO] [stdout]    --> src/cpu.rs:394:8
[INFO] [stdout]     |
[INFO] [stdout] 394 |     fn ld_b(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_str`
[INFO] [stdout]    --> src/cpu.rs:400:8
[INFO] [stdout]     |
[INFO] [stdout] 400 |     fn ld_str(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld_read`
[INFO] [stdout]    --> src/cpu.rs:406:8
[INFO] [stdout]     |
[INFO] [stdout] 406 |     fn ld_read(&mut self, operands: Operands) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/cpu.rs:288:29
[INFO] [stdout]     |
[INFO] [stdout] 288 |         self.reg[0x0F] = if result > 0xFF {1} else {0};
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "b7eb20d7ebfe9421c3d972545e0c548436db293cf94cc1373daa0809da549df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7eb20d7ebfe9421c3d972545e0c548436db293cf94cc1373daa0809da549df5", kill_on_drop: false }`
[INFO] [stdout] b7eb20d7ebfe9421c3d972545e0c548436db293cf94cc1373daa0809da549df5