[INFO] cloning repository https://github.com/david19kerrigan/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/david19kerrigan/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid19kerrigan%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid19kerrigan%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fb193f599dd3de466b888ab55d121beb20bfe84
[INFO] testing david19kerrigan/chip8 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid19kerrigan%2Fchip8" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/david19kerrigan/chip8
[INFO] finished tweaking git repo https://github.com/david19kerrigan/chip8
[INFO] tweaked toml for git repo https://github.com/david19kerrigan/chip8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/david19kerrigan/chip8 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/david19kerrigan/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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 755579f525c19c152c09f6ac17bffd266bc0db0eb56357d89c39f553dbaa8cba
[INFO] running `Command { std: "docker" "start" "-a" "755579f525c19c152c09f6ac17bffd266bc0db0eb56357d89c39f553dbaa8cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "755579f525c19c152c09f6ac17bffd266bc0db0eb56357d89c39f553dbaa8cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755579f525c19c152c09f6ac17bffd266bc0db0eb56357d89c39f553dbaa8cba", kill_on_drop: false }`
[INFO] [stdout] 755579f525c19c152c09f6ac17bffd266bc0db0eb56357d89c39f553dbaa8cba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c65a15e22796f85eef6f48b546fceada397037860539a9c8be7802c9e06f21a
[INFO] running `Command { std: "docker" "start" "-a" "6c65a15e22796f85eef6f48b546fceada397037860539a9c8be7802c9e06f21a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sdl2::rect::Point`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::rect::Point;
[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/main.rs:684:34
[INFO] [stdout]     |
[INFO] [stdout] 684 |                 let reg_x_name = ((opcode >> 8) & 0x0f);
[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] 684 -                 let reg_x_name = ((opcode >> 8) & 0x0f);
[INFO] [stdout] 684 +                 let reg_x_name = (opcode >> 8) & 0x0f;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/main.rs:863:45
[INFO] [stdout]     |
[INFO] [stdout] 863 |                     if gfx.draw(x, wrapY(y, (n as u8)), row, canvas) {
[INFO] [stdout]     |                                             ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 863 -                     if gfx.draw(x, wrapY(y, (n as u8)), row, canvas) {
[INFO] [stdout] 863 +                     if gfx.draw(x, wrapY(y, n as u8), row, canvas) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]   --> src/main.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             default => return self.one,
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/main.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |             default => (),
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/main.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             default => return self.V0,
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/main.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |         default => {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/main.rs:955:21
[INFO] [stdout]     |
[INFO] [stdout] 955 |                     default => 0,
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V0` should have a snake case name
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     V0: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v0`
[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 `V1` should have a snake case name
[INFO] [stdout]   --> src/main.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     V1: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V2` should have a snake case name
[INFO] [stdout]   --> src/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     V2: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V3` should have a snake case name
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     V3: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V4` should have a snake case name
[INFO] [stdout]   --> src/main.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     V4: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V5` should have a snake case name
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     V5: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V6` should have a snake case name
[INFO] [stdout]   --> src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     V6: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V7` should have a snake case name
[INFO] [stdout]   --> src/main.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     V7: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V8` should have a snake case name
[INFO] [stdout]    --> src/main.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     V8: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `v8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V9` should have a snake case name
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     V9: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `v9`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VA` should have a snake case name
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     VA: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case: `va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VB` should have a snake case name
[INFO] [stdout]    --> src/main.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     VB: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case: `vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VC` should have a snake case name
[INFO] [stdout]    --> src/main.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     VC: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `vc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VD` should have a snake case name
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     VD: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case: `vd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     VE: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case: `ve`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VF` should have a snake case name
[INFO] [stdout]    --> src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     VF: u8, // but its really a bit
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `vf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `I` should have a snake case name
[INFO] [stdout]    --> src/main.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     I: u16, // but its really u12
[INFO] [stdout]     |     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     canvas.draw_rect(rect);
[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] 199 |     let _ = canvas.draw_rect(rect);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     canvas.fill_rect(rect);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let _ = canvas.fill_rect(rect);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrapX` should have a snake case name
[INFO] [stdout]    --> src/main.rs:252:4
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn wrapX(x: u8, offset: u8) -> u8 {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `wrap_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrapY` should have a snake case name
[INFO] [stdout]    --> src/main.rs:262:4
[INFO] [stdout]     |
[INFO] [stdout] 262 | fn wrapY(y: u8, offset: u8) -> u8 {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `wrap_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]    --> src/main.rs:928:21
[INFO] [stdout]     |
[INFO] [stdout] 928 |                 let I = cpu.get_add_reg();
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `VX` should have a snake case name
[INFO] [stdout]    --> src/main.rs:929:21
[INFO] [stdout]     |
[INFO] [stdout] 929 |                 let VX = cpu.get_reg(reg_name) as u16;
[INFO] [stdout]     |                     ^^ help: convert the identifier to snake case (notice the capitalization): `vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "6c65a15e22796f85eef6f48b546fceada397037860539a9c8be7802c9e06f21a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c65a15e22796f85eef6f48b546fceada397037860539a9c8be7802c9e06f21a", kill_on_drop: false }`
[INFO] [stdout] 6c65a15e22796f85eef6f48b546fceada397037860539a9c8be7802c9e06f21a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a1fc8ab207e4643ccb1b7ab7f50bedda54274683e76e427aa4adcd11b8cfe22
[INFO] running `Command { std: "docker" "start" "-a" "1a1fc8ab207e4643ccb1b7ab7f50bedda54274683e76e427aa4adcd11b8cfe22", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sdl2::rect::Point`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::rect::Point;
[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/main.rs:684:34
[INFO] [stdout]     |
[INFO] [stdout] 684 |                 let reg_x_name = ((opcode >> 8) & 0x0f);
[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] 684 -                 let reg_x_name = ((opcode >> 8) & 0x0f);
[INFO] [stdout] 684 +                 let reg_x_name = (opcode >> 8) & 0x0f;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/main.rs:863:45
[INFO] [stdout]     |
[INFO] [stdout] 863 |                     if gfx.draw(x, wrapY(y, (n as u8)), row, canvas) {
[INFO] [stdout]     |                                             ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 863 -                     if gfx.draw(x, wrapY(y, (n as u8)), row, canvas) {
[INFO] [stdout] 863 +                     if gfx.draw(x, wrapY(y, n as u8), row, canvas) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]   --> src/main.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             default => return self.one,
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/main.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |             default => (),
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/main.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             default => return self.V0,
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/main.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |         default => {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/main.rs:955:21
[INFO] [stdout]     |
[INFO] [stdout] 955 |                     default => 0,
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V0` should have a snake case name
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     V0: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v0`
[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 `V1` should have a snake case name
[INFO] [stdout]   --> src/main.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     V1: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V2` should have a snake case name
[INFO] [stdout]   --> src/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     V2: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V3` should have a snake case name
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     V3: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V4` should have a snake case name
[INFO] [stdout]   --> src/main.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     V4: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V5` should have a snake case name
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     V5: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V6` should have a snake case name
[INFO] [stdout]   --> src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     V6: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V7` should have a snake case name
[INFO] [stdout]   --> src/main.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     V7: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V8` should have a snake case name
[INFO] [stdout]    --> src/main.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     V8: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `v8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V9` should have a snake case name
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     V9: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `v9`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VA` should have a snake case name
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     VA: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case: `va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VB` should have a snake case name
[INFO] [stdout]    --> src/main.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     VB: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case: `vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VC` should have a snake case name
[INFO] [stdout]    --> src/main.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     VC: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `vc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VD` should have a snake case name
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     VD: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case: `vd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     VE: u8,
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case: `ve`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VF` should have a snake case name
[INFO] [stdout]    --> src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     VF: u8, // but its really a bit
[INFO] [stdout]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `vf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `I` should have a snake case name
[INFO] [stdout]    --> src/main.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     I: u16, // but its really u12
[INFO] [stdout]     |     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     canvas.draw_rect(rect);
[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] 199 |     let _ = canvas.draw_rect(rect);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     canvas.fill_rect(rect);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let _ = canvas.fill_rect(rect);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrapX` should have a snake case name
[INFO] [stdout]    --> src/main.rs:252:4
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn wrapX(x: u8, offset: u8) -> u8 {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `wrap_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrapY` should have a snake case name
[INFO] [stdout]    --> src/main.rs:262:4
[INFO] [stdout]     |
[INFO] [stdout] 262 | fn wrapY(y: u8, offset: u8) -> u8 {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `wrap_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]    --> src/main.rs:928:21
[INFO] [stdout]     |
[INFO] [stdout] 928 |                 let I = cpu.get_add_reg();
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `VX` should have a snake case name
[INFO] [stdout]    --> src/main.rs:929:21
[INFO] [stdout]     |
[INFO] [stdout] 929 |                 let VX = cpu.get_reg(reg_name) as u16;
[INFO] [stdout]     |                     ^^ help: convert the identifier to snake case (notice the capitalization): `vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "1a1fc8ab207e4643ccb1b7ab7f50bedda54274683e76e427aa4adcd11b8cfe22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1fc8ab207e4643ccb1b7ab7f50bedda54274683e76e427aa4adcd11b8cfe22", kill_on_drop: false }`
[INFO] [stdout] 1a1fc8ab207e4643ccb1b7ab7f50bedda54274683e76e427aa4adcd11b8cfe22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] edc9233638f9b4b45d5234a662fdf9379007ece90ca246033cc3e0d8304ec8cd
[INFO] running `Command { std: "docker" "start" "-a" "edc9233638f9b4b45d5234a662fdf9379007ece90ca246033cc3e0d8304ec8cd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `sdl2::rect::Point`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sdl2::rect::Point;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:684:34
[INFO] [stderr]     |
[INFO] [stderr] 684 |                 let reg_x_name = ((opcode >> 8) & 0x0f);
[INFO] [stderr]     |                                  ^                    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 684 -                 let reg_x_name = ((opcode >> 8) & 0x0f);
[INFO] [stderr] 684 +                 let reg_x_name = (opcode >> 8) & 0x0f;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:863:45
[INFO] [stderr]     |
[INFO] [stderr] 863 |                     if gfx.draw(x, wrapY(y, (n as u8)), row, canvas) {
[INFO] [stderr]     |                                             ^       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 863 -                     if gfx.draw(x, wrapY(y, (n as u8)), row, canvas) {
[INFO] [stderr] 863 +                     if gfx.draw(x, wrapY(y, n as u8), row, canvas) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default`
[INFO] [stderr]   --> src/main.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |             default => return self.one,
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default`
[INFO] [stderr]    --> src/main.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |             default => (),
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default`
[INFO] [stderr]    --> src/main.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             default => return self.V0,
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default`
[INFO] [stderr]    --> src/main.rs:663:9
[INFO] [stderr]     |
[INFO] [stderr] 663 |         default => {
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default`
[INFO] [stderr]    --> src/main.rs:955:21
[INFO] [stderr]     |
[INFO] [stderr] 955 |                     default => 0,
[INFO] [stderr]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V0` should have a snake case name
[INFO] [stderr]   --> src/main.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     V0: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V1` should have a snake case name
[INFO] [stderr]   --> src/main.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     V1: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v1`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V2` should have a snake case name
[INFO] [stderr]   --> src/main.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     V2: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v2`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V3` should have a snake case name
[INFO] [stderr]   --> src/main.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     V3: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v3`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V4` should have a snake case name
[INFO] [stderr]   --> src/main.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     V4: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v4`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V5` should have a snake case name
[INFO] [stderr]   --> src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     V5: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v5`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V6` should have a snake case name
[INFO] [stderr]   --> src/main.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     V6: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v6`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V7` should have a snake case name
[INFO] [stderr]   --> src/main.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     V7: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v7`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V8` should have a snake case name
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     V8: u8,
[INFO] [stderr]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `v8`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V9` should have a snake case name
[INFO] [stderr]    --> src/main.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     V9: u8,
[INFO] [stderr]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `v9`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VA` should have a snake case name
[INFO] [stderr]    --> src/main.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     VA: u8,
[INFO] [stderr]     |     ^^ help: convert the identifier to snake case: `va`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VB` should have a snake case name
[INFO] [stderr]    --> src/main.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     VB: u8,
[INFO] [stderr]     |     ^^ help: convert the identifier to snake case: `vb`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VC` should have a snake case name
[INFO] [stderr]    --> src/main.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     VC: u8,
[INFO] [stderr]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `vc`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VD` should have a snake case name
[INFO] [stderr]    --> src/main.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     VD: u8,
[INFO] [stderr]     |     ^^ help: convert the identifier to snake case: `vd`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VE` should have a snake case name
[INFO] [stderr]    --> src/main.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     VE: u8,
[INFO] [stderr]     |     ^^ help: convert the identifier to snake case: `ve`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VF` should have a snake case name
[INFO] [stderr]    --> src/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     VF: u8, // but its really a bit
[INFO] [stderr]     |     ^^ help: convert the identifier to snake case (notice the capitalization): `vf`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `I` should have a snake case name
[INFO] [stderr]    --> src/main.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     I: u16, // but its really u12
[INFO] [stderr]     |     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     canvas.draw_rect(rect);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 199 |     let _ = canvas.draw_rect(rect);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     canvas.fill_rect(rect);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 200 |     let _ = canvas.fill_rect(rect);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: function `wrapX` should have a snake case name
[INFO] [stderr]    --> src/main.rs:252:4
[INFO] [stderr]     |
[INFO] [stderr] 252 | fn wrapX(x: u8, offset: u8) -> u8 {
[INFO] [stderr]     |    ^^^^^ help: convert the identifier to snake case: `wrap_x`
[INFO] [stderr] 
[INFO] [stderr] warning: function `wrapY` should have a snake case name
[INFO] [stderr]    --> src/main.rs:262:4
[INFO] [stderr]     |
[INFO] [stderr] 262 | fn wrapY(y: u8, offset: u8) -> u8 {
[INFO] [stderr]     |    ^^^^^ help: convert the identifier to snake case: `wrap_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `I` should have a snake case name
[INFO] [stderr]    --> src/main.rs:928:21
[INFO] [stderr]     |
[INFO] [stderr] 928 |                 let I = cpu.get_add_reg();
[INFO] [stderr]     |                     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `VX` should have a snake case name
[INFO] [stderr]    --> src/main.rs:929:21
[INFO] [stderr]     |
[INFO] [stderr] 929 |                 let VX = cpu.get_reg(reg_name) as u16;
[INFO] [stderr]     |                     ^^ help: convert the identifier to snake case (notice the capitalization): `vx`
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 31 warnings (run `cargo fix --bin "chip8" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip8-91be619a6d16c143)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "edc9233638f9b4b45d5234a662fdf9379007ece90ca246033cc3e0d8304ec8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc9233638f9b4b45d5234a662fdf9379007ece90ca246033cc3e0d8304ec8cd", kill_on_drop: false }`
[INFO] [stdout] edc9233638f9b4b45d5234a662fdf9379007ece90ca246033cc3e0d8304ec8cd