[INFO] cloning repository https://github.com/fabyanMikhael/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/fabyanMikhael/chip8-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FfabyanMikhael%2Fchip8-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FfabyanMikhael%2Fchip8-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91c89314550ae924b031bb35ab4f1e9350e4cbfc
[INFO] checking fabyanMikhael/chip8-emulator against c79f6bc4fc2389852aeff667626cb3e58adfe71c for pr-164081
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FfabyanMikhael%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/fabyanMikhael/chip8-emulator
[INFO] finished tweaking git repo https://github.com/fabyanMikhael/chip8-emulator
[INFO] tweaked toml for git repo https://github.com/fabyanMikhael/chip8-emulator written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fabyanMikhael/chip8-emulator on toolchain c79f6bc4fc2389852aeff667626cb3e58adfe71c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fabyanMikhael/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" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 706fcd6b7c1c6bf0e6fd306b193d5036236b1d40e912e875e1a670504cb3ca84
[INFO] running `Command { std: "docker" "start" "706fcd6b7c1c6bf0e6fd306b193d5036236b1d40e912e875e1a670504cb3ca84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "706fcd6b7c1c6bf0e6fd306b193d5036236b1d40e912e875e1a670504cb3ca84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "706fcd6b7c1c6bf0e6fd306b193d5036236b1d40e912e875e1a670504cb3ca84" "/opt/rustwide/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "706fcd6b7c1c6bf0e6fd306b193d5036236b1d40e912e875e1a670504cb3ca84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "706fcd6b7c1c6bf0e6fd306b193d5036236b1d40e912e875e1a670504cb3ca84" "/opt/rustwide/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking sapp-linux v0.1.14
[INFO] [stderr]     Checking quad-alsa-sys v0.3.2
[INFO] [stderr]     Checking quad-snd v0.2.3
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking miniquad v0.3.0-alpha.45
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking macroquad v0.3.15
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vm.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let mut x = x as usize;
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vm.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let mut x = x as usize;
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "706fcd6b7c1c6bf0e6fd306b193d5036236b1d40e912e875e1a670504cb3ca84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706fcd6b7c1c6bf0e6fd306b193d5036236b1d40e912e875e1a670504cb3ca84", kill_on_drop: false }`
[INFO] [stdout] 706fcd6b7c1c6bf0e6fd306b193d5036236b1d40e912e875e1a670504cb3ca84
