[INFO] cloning repository https://github.com/RedArms/rust_chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RedArms/rust_chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedArms%2Frust_chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedArms%2Frust_chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69f3442d27cfad190a10b3cfa287a0ec35a6dd61
[INFO] checking RedArms/rust_chip8 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedArms%2Frust_chip8" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RedArms/rust_chip8
[INFO] finished tweaking git repo https://github.com/RedArms/rust_chip8
[INFO] tweaked toml for git repo https://github.com/RedArms/rust_chip8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RedArms/rust_chip8 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RedArms/rust_chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macos-accessibility-client v0.0.1
[INFO] [stderr]   Downloaded readmouse v0.2.1
[INFO] [stderr]   Downloaded readkey v0.2.1
[INFO] [stderr]   Downloaded x11 v2.21.0
[INFO] [stderr]   Downloaded device_query v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b15ae3725bdcfe1bf81a6d2ce2f3e67c1cf63735ecf6841b7fc7c6b91a12e0d1
[INFO] running `Command { std: "docker" "start" "-a" "b15ae3725bdcfe1bf81a6d2ce2f3e67c1cf63735ecf6841b7fc7c6b91a12e0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b15ae3725bdcfe1bf81a6d2ce2f3e67c1cf63735ecf6841b7fc7c6b91a12e0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15ae3725bdcfe1bf81a6d2ce2f3e67c1cf63735ecf6841b7fc7c6b91a12e0d1", kill_on_drop: false }`
[INFO] [stdout] b15ae3725bdcfe1bf81a6d2ce2f3e67c1cf63735ecf6841b7fc7c6b91a12e0d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3fdd048ae78f25478ab44c5d03c4e763fd223a7f4266629caaf44230da06827
[INFO] running `Command { std: "docker" "start" "-a" "d3fdd048ae78f25478ab44c5d03c4e763fd223a7f4266629caaf44230da06827", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling device_query v2.0.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rust_chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Not` and `Sub`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Not, Sub};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/main.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         while true {
[INFO] [stdout]     |         ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let cpu = Self::init();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let result: Vec<u16> = contents.chunks(2)
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `device_state` is never read
[INFO] [stdout]   --> src/main.rs:94:32
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut device_state = DeviceState::new();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:403:29
[INFO] [stdout]     |
[INFO] [stdout] 403 |                         let mut key = 0;
[INFO] [stdout]     |                             ----^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x12`
[INFO] [stdout]    --> src/main.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let x12  = get_xbytes(12, opcode) as u8;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_x12`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x23`
[INFO] [stdout]    --> src/main.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let x23  = get_xbytes(23, opcode) as u8;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_x23`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x123`
[INFO] [stdout]    --> src/main.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let x123 = get_xbytes(123, opcode);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_x123`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fetch`, `registersList`, and `print_ERROR` are never used
[INFO] [stdout]    --> src/main.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout]  63 | impl CPU {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn fetch(&mut self) -> u8 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     fn registersList(&self) -> [&u8; 16] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 448 |         fn print_ERROR(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vA` should have a snake case name
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     vA:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vB` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     vB:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vC` should have a snake case name
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     vC:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vD` should have a snake case name
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     vD:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vE` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     vE:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vF` should have a snake case name
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     vF:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `I` should have a snake case name
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     I:u16,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PC` should have a snake case name
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     PC:u16,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     SP:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `sp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DT` should have a snake case name
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     DT:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `ST` should have a snake case name
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     ST:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `st`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `STACK` should have a snake case name
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     STACK:[u16;16],
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `RAM` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     RAM:[u8; 4095],
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `ram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SCREEN` should have a snake case name
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     SCREEN:[[bool;64];32]
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to snake case: `screen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getXreg` should have a snake case name
[INFO] [stdout]    --> src/main.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn getXreg(&mut self,x:u8) -> &u8 {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `get_xreg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `setXreg` should have a snake case name
[INFO] [stdout]    --> src/main.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn setXreg(&mut self,x:u8,value:u8) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `set_xreg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `registersList` should have a snake case name
[INFO] [stdout]    --> src/main.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn registersList(&self) -> [&u8; 16] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `registers_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `keyToIndex` should have a snake case name
[INFO] [stdout]    --> src/main.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn keyToIndex(&self,key:Keycode) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `key_to_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_ERROR` should have a snake case name
[INFO] [stdout]    --> src/main.rs:448:12
[INFO] [stdout]     |
[INFO] [stdout] 448 |         fn print_ERROR(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^ help: convert the identifier to snake case: `print_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `printScreen` should have a snake case name
[INFO] [stdout]    --> src/main.rs:497:12
[INFO] [stdout]     |
[INFO] [stdout] 497 |         fn printScreen(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^ help: convert the identifier to snake case: `print_screen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Not` and `Sub`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Not, Sub};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/main.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         while true {
[INFO] [stdout]     |         ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let cpu = Self::init();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let result: Vec<u16> = contents.chunks(2)
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `device_state` is never read
[INFO] [stdout]   --> src/main.rs:94:32
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut device_state = DeviceState::new();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:403:29
[INFO] [stdout]     |
[INFO] [stdout] 403 |                         let mut key = 0;
[INFO] [stdout]     |                             ----^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x12`
[INFO] [stdout]    --> src/main.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let x12  = get_xbytes(12, opcode) as u8;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_x12`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x23`
[INFO] [stdout]    --> src/main.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let x23  = get_xbytes(23, opcode) as u8;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_x23`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x123`
[INFO] [stdout]    --> src/main.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let x123 = get_xbytes(123, opcode);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_x123`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fetch`, `registersList`, and `print_ERROR` are never used
[INFO] [stdout]    --> src/main.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout]  63 | impl CPU {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn fetch(&mut self) -> u8 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     fn registersList(&self) -> [&u8; 16] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 448 |         fn print_ERROR(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vA` should have a snake case name
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     vA:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vB` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     vB:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vC` should have a snake case name
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     vC:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vD` should have a snake case name
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     vD:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vE` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     vE:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `vF` should have a snake case name
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     vF:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `v_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `I` should have a snake case name
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     I:u16,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PC` should have a snake case name
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     PC:u16,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     SP:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `sp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DT` should have a snake case name
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     DT:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `ST` should have a snake case name
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     ST:u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `st`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `STACK` should have a snake case name
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     STACK:[u16;16],
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `RAM` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     RAM:[u8; 4095],
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `ram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SCREEN` should have a snake case name
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     SCREEN:[[bool;64];32]
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to snake case: `screen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getXreg` should have a snake case name
[INFO] [stdout]    --> src/main.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn getXreg(&mut self,x:u8) -> &u8 {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `get_xreg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `setXreg` should have a snake case name
[INFO] [stdout]    --> src/main.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn setXreg(&mut self,x:u8,value:u8) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `set_xreg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `registersList` should have a snake case name
[INFO] [stdout]    --> src/main.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn registersList(&self) -> [&u8; 16] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `registers_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `keyToIndex` should have a snake case name
[INFO] [stdout]    --> src/main.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn keyToIndex(&self,key:Keycode) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `key_to_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_ERROR` should have a snake case name
[INFO] [stdout]    --> src/main.rs:448:12
[INFO] [stdout]     |
[INFO] [stdout] 448 |         fn print_ERROR(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^ help: convert the identifier to snake case: `print_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `printScreen` should have a snake case name
[INFO] [stdout]    --> src/main.rs:497:12
[INFO] [stdout]     |
[INFO] [stdout] 497 |         fn printScreen(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^ help: convert the identifier to snake case: `print_screen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "d3fdd048ae78f25478ab44c5d03c4e763fd223a7f4266629caaf44230da06827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3fdd048ae78f25478ab44c5d03c4e763fd223a7f4266629caaf44230da06827", kill_on_drop: false }`
[INFO] [stdout] d3fdd048ae78f25478ab44c5d03c4e763fd223a7f4266629caaf44230da06827
