[INFO] cloning repository https://github.com/DomParfitt/chip-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DomParfitt/chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomParfitt%2Fchip-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomParfitt%2Fchip-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d5eb2d9969b9621efbcd7efbd3956c473e75861
[INFO] testing DomParfitt/chip-8 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomParfitt%2Fchip-8" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DomParfitt/chip-8
[INFO] finished tweaking git repo https://github.com/DomParfitt/chip-8
[INFO] tweaked toml for git repo https://github.com/DomParfitt/chip-8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DomParfitt/chip-8 on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DomParfitt/chip-8 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a594a8303fca4ea7086dfc45e871e820b9cbce85c6a4fc20f42d5104ede56f2
[INFO] running `Command { std: "docker" "start" "-a" "8a594a8303fca4ea7086dfc45e871e820b9cbce85c6a4fc20f42d5104ede56f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a594a8303fca4ea7086dfc45e871e820b9cbce85c6a4fc20f42d5104ede56f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a594a8303fca4ea7086dfc45e871e820b9cbce85c6a4fc20f42d5104ede56f2", kill_on_drop: false }`
[INFO] [stdout] 8a594a8303fca4ea7086dfc45e871e820b9cbce85c6a4fc20f42d5104ede56f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f03557dbd649fb726a2ab22b5f4f78c86eab1c29f34ff47bbec8f9b074fc3f83
[INFO] running `Command { std: "docker" "start" "-a" "f03557dbd649fb726a2ab22b5f4f78c86eab1c29f34ff47bbec8f9b074fc3f83", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.4
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[INFO] [stderr]    Compiling serde v1.0.64
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[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling piston-viewport v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.37
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[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling serde_derive v1.0.64
[INFO] [stderr]    Compiling num-derive v0.2.2
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[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling gfx_core v0.8.2
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.12.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.3
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.32.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.51.0
[INFO] [stderr]    Compiling pistoncore-window v0.32.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.37.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.47.0
[INFO] [stderr]    Compiling piston v0.37.0
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[INFO] [stderr]    Compiling emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/assembler/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut assembled_program: Vec<u8> = Vec::new();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/assembler/mod.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut high: u8;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/assembler/mod.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut low: u8;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `high` is assigned to, but never used
[INFO] [stdout]   --> src/assembler/mod.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut high: u8;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_high` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `low` is assigned to, but never used
[INFO] [stdout]   --> src/assembler/mod.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut low: u8;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_low` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `high` is never read
[INFO] [stdout]   --> src/assembler/mod.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 high =  (0x8 << 8) | get_register_number(x);
[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: value assigned to `high` is never read
[INFO] [stdout]   --> src/assembler/mod.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 high = 0x00;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `high` is never read
[INFO] [stdout]   --> src/assembler/mod.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 high = 0x00;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `high` is never read
[INFO] [stdout]   --> src/assembler/mod.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 high = (0x3 << 4) | get_register_number(register_token);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `high` is never read
[INFO] [stdout]   --> src/assembler/mod.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             _ => {high = 0x00;
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `low` is never read
[INFO] [stdout]   --> src/assembler/mod.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 low = (get_register_number(y) << 8) | 0x2;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `low` is never read
[INFO] [stdout]   --> src/assembler/mod.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 low = 0xE0;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `low` is never read
[INFO] [stdout]   --> src/assembler/mod.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 low = 0xEE;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `low` is never read
[INFO] [stdout]   --> src/assembler/mod.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     low = u8::from_str_radix(tokens[i], 16).unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `low` is never read
[INFO] [stdout]   --> src/assembler/mod.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     low = get_register_number(tokens[i]) << 4;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `low` is never read
[INFO] [stdout]   --> src/assembler/mod.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 low = 0xE0;}//panic!("Unrecognised token."),
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this arithmetic operation will overflow
[INFO] [stdout]   --> src/assembler/mod.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 high =  (0x8 << 8) | get_register_number(x);
[INFO] [stdout]    |                         ^^^^^^^^^^ attempt to shift left by `8_i32`, which would overflow
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(arithmetic_overflow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this arithmetic operation will overflow
[INFO] [stdout]   --> src/assembler/mod.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 low = (get_register_number(y) << 8) | 0x2;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to shift left by `8_i32`, which would overflow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operand`
[INFO] [stdout]   --> src/assembler/mod.rs:70:34
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
[INFO] [stdout]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high_byte`
[INFO] [stdout]    --> src/chip8/mod.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let high_byte = opcode.high_byte;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_high_byte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high_byte`
[INFO] [stdout]    --> src/chip8/mod.rs:442:13
[INFO] [stdout]     |
[INFO] [stdout] 442 |         let high_byte = opcode.high_byte;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_high_byte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut now = Instant::now();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut now = Instant::now();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cycle_count` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut cycle_count = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_cycle_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cycle_count` is never read
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         cycle_count += 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assemble` is never used
[INFO] [stdout]  --> src/assembler/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn assemble(program: String) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assemble_opcode` is never used
[INFO] [stdout]   --> src/assembler/mod.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_register_number` is never used
[INFO] [stdout]   --> src/assembler/mod.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn get_register_number(token: &str) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load_program` and `print_display` are never used
[INFO] [stdout]   --> src/chip8/mod.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Chip8 {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn load_program(&mut self, program: Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn print_display(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `high_nibble_from_byte` and `low_nibble_from_byte` are never used
[INFO] [stdout]    --> src/chip8/mod.rs:402:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Chip8 {
[INFO] [stdout]     | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 402 |     fn high_nibble_from_byte(byte: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 406 |     fn low_nibble_from_byte(byte: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             io::stdin().read_line(&mut input);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let _ = io::stdin().read_line(&mut input);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V` should have a snake case name
[INFO] [stdout]   --> src/chip8/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub V: [u8; 16],
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `v`
[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 `I` should have a snake case name
[INFO] [stdout]   --> src/chip8/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub I: u16,
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `emu` (bin "emu") due to 2 previous errors; 32 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f03557dbd649fb726a2ab22b5f4f78c86eab1c29f34ff47bbec8f9b074fc3f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03557dbd649fb726a2ab22b5f4f78c86eab1c29f34ff47bbec8f9b074fc3f83", kill_on_drop: false }`
[INFO] [stdout] f03557dbd649fb726a2ab22b5f4f78c86eab1c29f34ff47bbec8f9b074fc3f83
