[INFO] cloning repository https://github.com/smt923/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smt923/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmt923%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmt923%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a040c2fd498a6fa3c697f7a10b61064bbb0c9a24
[INFO] checking smt923/chip8 against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmt923%2Fchip8" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/smt923/chip8
[INFO] finished tweaking git repo https://github.com/smt923/chip8
[INFO] tweaked toml for git repo https://github.com/smt923/chip8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/smt923/chip8 on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/smt923/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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded sdl2-sys v0.30.0
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded sdl2 v0.30.0
[INFO] [stderr]   Downloaded libc v0.2.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73ea49959749f397d334da2e3cd5f4c83615d2299735c322df241d0975cf23cf
[INFO] running `Command { std: "docker" "start" "-a" "73ea49959749f397d334da2e3cd5f4c83615d2299735c322df241d0975cf23cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73ea49959749f397d334da2e3cd5f4c83615d2299735c322df241d0975cf23cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ea49959749f397d334da2e3cd5f4c83615d2299735c322df241d0975cf23cf", kill_on_drop: false }`
[INFO] [stdout] 73ea49959749f397d334da2e3cd5f4c83615d2299735c322df241d0975cf23cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea55a8d1926b78e2267cfb0fc11fe015f024d53e524e79dfb3c73d9c0849aa8
[INFO] running `Command { std: "docker" "start" "-a" "aea55a8d1926b78e2267cfb0fc11fe015f024d53e524e79dfb3c73d9c0849aa8", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]     Checking chip8 v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/chip8.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/chip8.rs:290:35
[INFO] [stdout]     |
[INFO] [stdout] 290 |                     let mut idx = (x + xl + ((y + yl as usize) * SCREEN_W));
[INFO] [stdout]     |                                   ^                                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 290 -                     let mut idx = (x + xl + ((y + yl as usize) * SCREEN_W));
[INFO] [stdout] 290 +                     let mut idx = x + xl + ((y + yl as usize) * SCREEN_W) ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Chip8`
[INFO] [stdout]  --> src/display.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use chip8::{SCREEN_H, SCREEN_W, Chip8};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `display::Display`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use display::Display;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `input::Input`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use input::Input;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use sdl2::pixels;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         'running: loop {
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/chip8.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/chip8.rs:290:35
[INFO] [stdout]     |
[INFO] [stdout] 290 |                     let mut idx = (x + xl + ((y + yl as usize) * SCREEN_W));
[INFO] [stdout]     |                                   ^                                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 290 -                     let mut idx = (x + xl + ((y + yl as usize) * SCREEN_W));
[INFO] [stdout] 290 +                     let mut idx = x + xl + ((y + yl as usize) * SCREEN_W) ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Chip8`
[INFO] [stdout]  --> src/display.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use chip8::{SCREEN_H, SCREEN_W, Chip8};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `display::Display`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use display::Display;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `input::Input`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use input::Input;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use sdl2::pixels;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         'running: loop {
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/chip8.rs:383:23
[INFO] [stdout]     |
[INFO] [stdout] 383 |         stack = stack.trim_right_matches(" ").to_string();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 383 -         stack = stack.trim_right_matches(" ").to_string();
[INFO] [stdout] 383 +         stack = stack.trim_end_matches(" ").to_string();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/chip8.rs:400:21
[INFO] [stdout]     |
[INFO] [stdout] 400 |         regs = regs.trim_right_matches(" ").to_string();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 400 -         regs = regs.trim_right_matches(" ").to_string();
[INFO] [stdout] 400 +         regs = regs.trim_end_matches(" ").to_string();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chip8.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let mut n = rand::thread_rng().gen_range(0, 255);
[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: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(why) => panic!(why),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(why) => panic!("{}", why),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 32 -         Err(why) => panic!(why),
[INFO] [stdout] 32 +         Err(why) => std::panic::panic_any(why),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V` should have a snake case name
[INFO] [stdout]   --> src/chip8.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     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: method `xA` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:268:8
[INFO] [stdout]     |
[INFO] [stdout] 268 |     fn xA(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `xB` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn xB(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `xC` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 |     fn xC(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `xD` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn xD(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `xE` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn xE(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `xF` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn xF(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/chip8.rs:383:23
[INFO] [stdout]     |
[INFO] [stdout] 383 |         stack = stack.trim_right_matches(" ").to_string();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 383 -         stack = stack.trim_right_matches(" ").to_string();
[INFO] [stdout] 383 +         stack = stack.trim_end_matches(" ").to_string();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/chip8.rs:400:21
[INFO] [stdout]     |
[INFO] [stdout] 400 |         regs = regs.trim_right_matches(" ").to_string();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 400 -         regs = regs.trim_right_matches(" ").to_string();
[INFO] [stdout] 400 +         regs = regs.trim_end_matches(" ").to_string();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chip8.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let mut n = rand::thread_rng().gen_range(0, 255);
[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: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(why) => panic!(why),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(why) => panic!("{}", why),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 32 -         Err(why) => panic!(why),
[INFO] [stdout] 32 +         Err(why) => std::panic::panic_any(why),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V` should have a snake case name
[INFO] [stdout]   --> src/chip8.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     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: method `xA` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:268:8
[INFO] [stdout]     |
[INFO] [stdout] 268 |     fn xA(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `xB` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn xB(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `xC` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 |     fn xC(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `xD` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn xD(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `xE` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn xE(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `xF` should have a snake case name
[INFO] [stdout]    --> src/chip8.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn xF(&mut self) {
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `x_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "aea55a8d1926b78e2267cfb0fc11fe015f024d53e524e79dfb3c73d9c0849aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea55a8d1926b78e2267cfb0fc11fe015f024d53e524e79dfb3c73d9c0849aa8", kill_on_drop: false }`
[INFO] [stdout] aea55a8d1926b78e2267cfb0fc11fe015f024d53e524e79dfb3c73d9c0849aa8
