[INFO] cloning repository https://github.com/quixotrykd/Rust-Chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quixotrykd/Rust-Chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquixotrykd%2FRust-Chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquixotrykd%2FRust-Chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f675d9be289b6e6077faf007d28c4424acbff61
[INFO] checking quixotrykd/Rust-Chip8 against master#dc375db7d8df0aa450e622c529147c95eee756f5 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquixotrykd%2FRust-Chip8" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/quixotrykd/Rust-Chip8
[INFO] finished tweaking git repo https://github.com/quixotrykd/Rust-Chip8
[INFO] tweaked toml for git repo https://github.com/quixotrykd/Rust-Chip8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/quixotrykd/Rust-Chip8 on toolchain dc375db7d8df0aa450e622c529147c95eee756f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/quixotrykd/Rust-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" "+dc375db7d8df0aa450e622c529147c95eee756f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded sdl2 v0.32.2
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded wasi v0.7.0
[INFO] [stderr]   Downloaded rand v0.7.2
[INFO] [stderr]   Downloaded sdl2-sys v0.32.6
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0d987a907a3a15e9e05b1d6a8b9cb87f01a02dbf0f0bca3edbe175486f450912
[INFO] running `Command { std: "docker" "start" "0d987a907a3a15e9e05b1d6a8b9cb87f01a02dbf0f0bca3edbe175486f450912", 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" "0d987a907a3a15e9e05b1d6a8b9cb87f01a02dbf0f0bca3edbe175486f450912" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d987a907a3a15e9e05b1d6a8b9cb87f01a02dbf0f0bca3edbe175486f450912", 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" "0d987a907a3a15e9e05b1d6a8b9cb87f01a02dbf0f0bca3edbe175486f450912" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.78s
[INFO] [stdout] warning: method `nop` is never used
[INFO] [stdout]    --> src/cpu.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl<'a> Cpu<'a> {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn nop(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `nop` is never used
[INFO] [stdout]    --> src/cpu.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl<'a> Cpu<'a> {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn nop(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0d987a907a3a15e9e05b1d6a8b9cb87f01a02dbf0f0bca3edbe175486f450912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d987a907a3a15e9e05b1d6a8b9cb87f01a02dbf0f0bca3edbe175486f450912", kill_on_drop: false }`
[INFO] [stdout] 0d987a907a3a15e9e05b1d6a8b9cb87f01a02dbf0f0bca3edbe175486f450912
