[INFO] cloning repository https://github.com/ricfehr3/chip8-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ricfehr3/chip8-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricfehr3%2Fchip8-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricfehr3%2Fchip8-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9be48e5903dbb934e51639c7953c8aa952176d54
[INFO] checking ricfehr3/chip8-emulator against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricfehr3%2Fchip8-emulator" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ricfehr3/chip8-emulator
[INFO] finished tweaking git repo https://github.com/ricfehr3/chip8-emulator
[INFO] tweaked toml for git repo https://github.com/ricfehr3/chip8-emulator written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ricfehr3/chip8-emulator on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ricfehr3/chip8-emulator 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10488d961dca063e04966724c63d7b6735095d688bf570c8dc5cf7b7d878ee8f
[INFO] running `Command { std: "docker" "start" "-a" "10488d961dca063e04966724c63d7b6735095d688bf570c8dc5cf7b7d878ee8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10488d961dca063e04966724c63d7b6735095d688bf570c8dc5cf7b7d878ee8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10488d961dca063e04966724c63d7b6735095d688bf570c8dc5cf7b7d878ee8f", kill_on_drop: false }`
[INFO] [stdout] 10488d961dca063e04966724c63d7b6735095d688bf570c8dc5cf7b7d878ee8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f499f9739bdb2935c13501806e109f811ff255e20ec40d810eacd704caf49c63
[INFO] running `Command { std: "docker" "start" "-a" "f499f9739bdb2935c13501806e109f811ff255e20ec40d810eacd704caf49c63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling minifb v0.19.3
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.5
[INFO] [stderr]     Checking xkb v0.2.1
[INFO] [stderr]     Checking chip-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `exclusive_range_pattern` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `exclusive_range_pattern` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:182:37
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn op_8xy6(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:188:27
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn op_8xy7(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:188:37
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn op_8xy7(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:191:37
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:320:13
[INFO] [stdout]     |
[INFO] [stdout] 320 |             0x1000..0x1FFF => self.op_1nnn(nnn),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `8191_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `4096_u16..=8191_u16`
[INFO] [stdout] 321 |             0x2000..0x2FFF => self.op_2nnn(nnn),
[INFO] [stdout]     |             -------------- this could appear to continue range `4096_u16..8191_u16`, but `8191_u16` isn't matched by either of them
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_contiguous_range_endpoints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |             0x2000..0x2FFF => self.op_2nnn(nnn),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `12287_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `8192_u16..=12287_u16`
[INFO] [stdout] 322 |             0x3000..0x3FFF => self.op_3xkk(x_reg, kk),
[INFO] [stdout]     |             -------------- this could appear to continue range `8192_u16..12287_u16`, but `12287_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |             0x3000..0x3FFF => self.op_3xkk(x_reg, kk),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `16383_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `12288_u16..=16383_u16`
[INFO] [stdout] 323 |             0x4000..0x4FFF => self.op_4xkk(x_reg, kk),
[INFO] [stdout]     |             -------------- this could appear to continue range `12288_u16..16383_u16`, but `16383_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |             0x4000..0x4FFF => self.op_4xkk(x_reg, kk),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `20479_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `16384_u16..=20479_u16`
[INFO] [stdout] 324 |             0x5000..0x5FFF => {
[INFO] [stdout]     |             -------------- this could appear to continue range `16384_u16..20479_u16`, but `20479_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:324:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |             0x5000..0x5FFF => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `24575_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `20480_u16..=24575_u16`
[INFO] [stdout] ...
[INFO] [stdout] 330 |             0x6000..0x6FFF => self.op_6xkk(x_reg, kk),
[INFO] [stdout]     |             -------------- this could appear to continue range `20480_u16..24575_u16`, but `24575_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 330 |             0x6000..0x6FFF => self.op_6xkk(x_reg, kk),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `28671_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `24576_u16..=28671_u16`
[INFO] [stdout] 331 |             0x7000..0x7FFF => self.op_7xkk(x_reg, kk),
[INFO] [stdout]     |             -------------- this could appear to continue range `24576_u16..28671_u16`, but `28671_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:331:13
[INFO] [stdout]     |
[INFO] [stdout] 331 |             0x7000..0x7FFF => self.op_7xkk(x_reg, kk),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `32767_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `28672_u16..=32767_u16`
[INFO] [stdout] 332 |             0x8000..0x8FFF => {
[INFO] [stdout]     |             -------------- this could appear to continue range `28672_u16..32767_u16`, but `32767_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |             0x8000..0x8FFF => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `36863_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `32768_u16..=36863_u16`
[INFO] [stdout] ...
[INFO] [stdout] 346 |             0x9000..0x9FFF => {
[INFO] [stdout]     |             -------------- this could appear to continue range `32768_u16..36863_u16`, but `36863_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |             0x9000..0x9FFF => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `40959_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `36864_u16..=40959_u16`
[INFO] [stdout] ...
[INFO] [stdout] 352 |             0xA000..0xAFFF => self.op_Annn(nnn),
[INFO] [stdout]     |             -------------- this could appear to continue range `36864_u16..40959_u16`, but `40959_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:352:13
[INFO] [stdout]     |
[INFO] [stdout] 352 |             0xA000..0xAFFF => self.op_Annn(nnn),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `45055_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `40960_u16..=45055_u16`
[INFO] [stdout] 353 |             0xB000..0xBFFF => self.op_Bnnn(nnn),
[INFO] [stdout]     |             -------------- this could appear to continue range `40960_u16..45055_u16`, but `45055_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |             0xB000..0xBFFF => self.op_Bnnn(nnn),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `49151_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `45056_u16..=49151_u16`
[INFO] [stdout] 354 |             0xC000..0xCFFF => self.op_Cxkk(x_reg, kk),
[INFO] [stdout]     |             -------------- this could appear to continue range `45056_u16..49151_u16`, but `49151_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:354:13
[INFO] [stdout]     |
[INFO] [stdout] 354 |             0xC000..0xCFFF => self.op_Cxkk(x_reg, kk),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `53247_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `49152_u16..=53247_u16`
[INFO] [stdout] 355 |             0xD000..0xDFFF => self.op_Dxyn(x_reg, y_reg, n),
[INFO] [stdout]     |             -------------- this could appear to continue range `49152_u16..53247_u16`, but `53247_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |             0xD000..0xDFFF => self.op_Dxyn(x_reg, y_reg, n),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `57343_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `53248_u16..=57343_u16`
[INFO] [stdout] 356 |             0xE000..0xEFFF => {
[INFO] [stdout]     |             -------------- this could appear to continue range `53248_u16..57343_u16`, but `57343_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:356:13
[INFO] [stdout]     |
[INFO] [stdout] 356 |             0xE000..0xEFFF => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `61439_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `57344_u16..=61439_u16`
[INFO] [stdout] ...
[INFO] [stdout] 363 |             0xF000..0xFFFF => {
[INFO] [stdout]     |             -------------- this could appear to continue range `57344_u16..61439_u16`, but `61439_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: exclusive range missing `u16::MAX`
[INFO] [stdout]    --> src/main.rs:363:13
[INFO] [stdout]     |
[INFO] [stdout] 363 |             0xF000..0xFFFF => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `u16::MAX` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `61440_u16..=u16::MAX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:182:37
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn op_8xy6(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:188:27
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn op_8xy7(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:188:37
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn op_8xy7(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:191:37
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pause` is never used
[INFO] [stdout]   --> src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn pause() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:320:13
[INFO] [stdout]     |
[INFO] [stdout] 320 |             0x1000..0x1FFF => self.op_1nnn(nnn),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `8191_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `4096_u16..=8191_u16`
[INFO] [stdout] 321 |             0x2000..0x2FFF => self.op_2nnn(nnn),
[INFO] [stdout]     |             -------------- this could appear to continue range `4096_u16..8191_u16`, but `8191_u16` isn't matched by either of them
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_contiguous_range_endpoints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `old_pc` is never read
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Chip8 {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     old_pc: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |             0x2000..0x2FFF => self.op_2nnn(nnn),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `12287_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `8192_u16..=12287_u16`
[INFO] [stdout] 322 |             0x3000..0x3FFF => self.op_3xkk(x_reg, kk),
[INFO] [stdout]     |             -------------- this could appear to continue range `8192_u16..12287_u16`, but `12287_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |             0x3000..0x3FFF => self.op_3xkk(x_reg, kk),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `16383_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `12288_u16..=16383_u16`
[INFO] [stdout] 323 |             0x4000..0x4FFF => self.op_4xkk(x_reg, kk),
[INFO] [stdout]     |             -------------- this could appear to continue range `12288_u16..16383_u16`, but `16383_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |             0x4000..0x4FFF => self.op_4xkk(x_reg, kk),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `20479_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `16384_u16..=20479_u16`
[INFO] [stdout] 324 |             0x5000..0x5FFF => {
[INFO] [stdout]     |             -------------- this could appear to continue range `16384_u16..20479_u16`, but `20479_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:324:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |             0x5000..0x5FFF => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `24575_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `20480_u16..=24575_u16`
[INFO] [stdout] ...
[INFO] [stdout] 330 |             0x6000..0x6FFF => self.op_6xkk(x_reg, kk),
[INFO] [stdout]     |             -------------- this could appear to continue range `20480_u16..24575_u16`, but `24575_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 330 |             0x6000..0x6FFF => self.op_6xkk(x_reg, kk),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `28671_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `24576_u16..=28671_u16`
[INFO] [stdout] 331 |             0x7000..0x7FFF => self.op_7xkk(x_reg, kk),
[INFO] [stdout]     |             -------------- this could appear to continue range `24576_u16..28671_u16`, but `28671_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:331:13
[INFO] [stdout]     |
[INFO] [stdout] 331 |             0x7000..0x7FFF => self.op_7xkk(x_reg, kk),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `32767_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `28672_u16..=32767_u16`
[INFO] [stdout] 332 |             0x8000..0x8FFF => {
[INFO] [stdout]     |             -------------- this could appear to continue range `28672_u16..32767_u16`, but `32767_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |             0x8000..0x8FFF => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `36863_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `32768_u16..=36863_u16`
[INFO] [stdout] ...
[INFO] [stdout] 346 |             0x9000..0x9FFF => {
[INFO] [stdout]     |             -------------- this could appear to continue range `32768_u16..36863_u16`, but `36863_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |             0x9000..0x9FFF => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `40959_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `36864_u16..=40959_u16`
[INFO] [stdout] ...
[INFO] [stdout] 352 |             0xA000..0xAFFF => self.op_Annn(nnn),
[INFO] [stdout]     |             -------------- this could appear to continue range `36864_u16..40959_u16`, but `40959_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:352:13
[INFO] [stdout]     |
[INFO] [stdout] 352 |             0xA000..0xAFFF => self.op_Annn(nnn),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `45055_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `40960_u16..=45055_u16`
[INFO] [stdout] 353 |             0xB000..0xBFFF => self.op_Bnnn(nnn),
[INFO] [stdout]     |             -------------- this could appear to continue range `40960_u16..45055_u16`, but `45055_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |             0xB000..0xBFFF => self.op_Bnnn(nnn),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `49151_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `45056_u16..=49151_u16`
[INFO] [stdout] 354 |             0xC000..0xCFFF => self.op_Cxkk(x_reg, kk),
[INFO] [stdout]     |             -------------- this could appear to continue range `45056_u16..49151_u16`, but `49151_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:354:13
[INFO] [stdout]     |
[INFO] [stdout] 354 |             0xC000..0xCFFF => self.op_Cxkk(x_reg, kk),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `53247_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `49152_u16..=53247_u16`
[INFO] [stdout] 355 |             0xD000..0xDFFF => self.op_Dxyn(x_reg, y_reg, n),
[INFO] [stdout]     |             -------------- this could appear to continue range `49152_u16..53247_u16`, but `53247_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |             0xD000..0xDFFF => self.op_Dxyn(x_reg, y_reg, n),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `57343_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `53248_u16..=57343_u16`
[INFO] [stdout] 356 |             0xE000..0xEFFF => {
[INFO] [stdout]     |             -------------- this could appear to continue range `53248_u16..57343_u16`, but `57343_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]    --> src/main.rs:356:13
[INFO] [stdout]     |
[INFO] [stdout] 356 |             0xE000..0xEFFF => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `61439_u16` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `57344_u16..=61439_u16`
[INFO] [stdout] ...
[INFO] [stdout] 363 |             0xF000..0xFFFF => {
[INFO] [stdout]     |             -------------- this could appear to continue range `57344_u16..61439_u16`, but `61439_u16` isn't matched by either of them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: exclusive range missing `u16::MAX`
[INFO] [stdout]    --> src/main.rs:363:13
[INFO] [stdout]     |
[INFO] [stdout] 363 |             0xF000..0xFFFF => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this range doesn't match `u16::MAX` because `..` is an exclusive range
[INFO] [stdout]     |             help: use an inclusive range instead: `61440_u16..=u16::MAX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         f.read(&mut self.memory[0x200 ..]);
[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] 89 |         let _ = f.read(&mut self.memory[0x200 ..]);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_00E0` should have a snake case name
[INFO] [stdout]    --> src/main.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn op_00E0(&mut self) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_00_e0`
[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 `op_00EE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn op_00EE(&mut self) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_00_ee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_8xyE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:191:8
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_8xy_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Annn` should have a snake case name
[INFO] [stdout]    --> src/main.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn op_Annn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_annn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Bnnn` should have a snake case name
[INFO] [stdout]    --> src/main.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn op_Bnnn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_bnnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Cxkk` should have a snake case name
[INFO] [stdout]    --> src/main.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn op_Cxkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_cxkk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Dxyn` should have a snake case name
[INFO] [stdout]    --> src/main.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn op_Dxyn(&mut self, x: usize, y: usize, n: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_dxyn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Ex9E` should have a snake case name
[INFO] [stdout]    --> src/main.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 239 |     fn op_Ex9E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_ex9_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_ExA1` should have a snake case name
[INFO] [stdout]    --> src/main.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn op_ExA1(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_ex_a1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx07` should have a snake case name
[INFO] [stdout]    --> src/main.rs:253:8
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn op_Fx07(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx07`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx0A` should have a snake case name
[INFO] [stdout]    --> src/main.rs:257:8
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn op_Fx0A(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_fx0_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx15` should have a snake case name
[INFO] [stdout]    --> src/main.rs:269:8
[INFO] [stdout]     |
[INFO] [stdout] 269 |     fn op_Fx15(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx15`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx18` should have a snake case name
[INFO] [stdout]    --> src/main.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn op_Fx18(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx18`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx1E` should have a snake case name
[INFO] [stdout]    --> src/main.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn op_Fx1E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_fx1_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx29` should have a snake case name
[INFO] [stdout]    --> src/main.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn op_Fx29(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx29`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx33` should have a snake case name
[INFO] [stdout]    --> src/main.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn op_Fx33(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx33`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx55` should have a snake case name
[INFO] [stdout]    --> src/main.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn op_Fx55(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx55`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx65` should have a snake case name
[INFO] [stdout]    --> src/main.rs:299:8
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn op_Fx65(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx65`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pause` is never used
[INFO] [stdout]   --> src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn pause() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `old_pc` is never read
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Chip8 {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     old_pc: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:360:33
[INFO] [stdout]     |
[INFO] [stdout] 360 |                     _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[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: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 360 -                     _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[INFO] [stdout] 360 +                     _ => panic!("Invalid opcode {:#04x}", opcode),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:374:33
[INFO] [stdout]     |
[INFO] [stdout] 374 |                     _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 374 -                     _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[INFO] [stdout] 374 +                     _ => panic!("Invalid opcode {:#04x}", opcode),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:378:25
[INFO] [stdout]     |
[INFO] [stdout] 378 |             _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 378 -             _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[INFO] [stdout] 378 +             _ => panic!("Invalid opcode {:#04x}", opcode),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         f.read(&mut self.memory[0x200 ..]);
[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] 89 |         let _ = f.read(&mut self.memory[0x200 ..]);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_00E0` should have a snake case name
[INFO] [stdout]    --> src/main.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn op_00E0(&mut self) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_00_e0`
[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 `op_00EE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn op_00EE(&mut self) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_00_ee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_8xyE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:191:8
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn op_8xyE(&mut self, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_8xy_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Annn` should have a snake case name
[INFO] [stdout]    --> src/main.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn op_Annn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_annn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Bnnn` should have a snake case name
[INFO] [stdout]    --> src/main.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn op_Bnnn(&mut self, nnn: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_bnnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Cxkk` should have a snake case name
[INFO] [stdout]    --> src/main.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn op_Cxkk(&mut self, x: usize, kk: u8) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_cxkk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Dxyn` should have a snake case name
[INFO] [stdout]    --> src/main.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn op_Dxyn(&mut self, x: usize, y: usize, n: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_dxyn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Ex9E` should have a snake case name
[INFO] [stdout]    --> src/main.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 239 |     fn op_Ex9E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_ex9_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_ExA1` should have a snake case name
[INFO] [stdout]    --> src/main.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn op_ExA1(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_ex_a1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx07` should have a snake case name
[INFO] [stdout]    --> src/main.rs:253:8
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn op_Fx07(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx07`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx0A` should have a snake case name
[INFO] [stdout]    --> src/main.rs:257:8
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn op_Fx0A(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_fx0_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx15` should have a snake case name
[INFO] [stdout]    --> src/main.rs:269:8
[INFO] [stdout]     |
[INFO] [stdout] 269 |     fn op_Fx15(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx15`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx18` should have a snake case name
[INFO] [stdout]    --> src/main.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn op_Fx18(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx18`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx1E` should have a snake case name
[INFO] [stdout]    --> src/main.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn op_Fx1E(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `op_fx1_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx29` should have a snake case name
[INFO] [stdout]    --> src/main.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn op_Fx29(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx29`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx33` should have a snake case name
[INFO] [stdout]    --> src/main.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn op_Fx33(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx33`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stdout] warning: method `op_Fx55` should have a snake case name
[INFO] [stdout]    --> src/main.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn op_Fx55(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx55`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op_Fx65` should have a snake case name
[INFO] [stdout]    --> src/main.rs:299:8
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn op_Fx65(&mut self, x: usize) {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `op_fx65`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:360:33
[INFO] [stdout]     |
[INFO] [stdout] 360 |                     _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[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: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 360 -                     _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[INFO] [stdout] 360 +                     _ => panic!("Invalid opcode {:#04x}", opcode),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:374:33
[INFO] [stdout]     |
[INFO] [stdout] 374 |                     _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 374 -                     _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[INFO] [stdout] 374 +                     _ => panic!("Invalid opcode {:#04x}", opcode),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:378:25
[INFO] [stdout]     |
[INFO] [stdout] 378 |             _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 378 -             _ => panic!(format!("Invalid opcode {:#04x}", opcode)),
[INFO] [stdout] 378 +             _ => panic!("Invalid opcode {:#04x}", opcode),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f499f9739bdb2935c13501806e109f811ff255e20ec40d810eacd704caf49c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f499f9739bdb2935c13501806e109f811ff255e20ec40d810eacd704caf49c63", kill_on_drop: false }`
[INFO] [stdout] f499f9739bdb2935c13501806e109f811ff255e20ec40d810eacd704caf49c63
