[INFO] cloning repository https://github.com/moisutsu/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/moisutsu/chip8-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoisutsu%2Fchip8-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoisutsu%2Fchip8-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf031661f27f4bb51158ad36e761699a0f9f3dc3
[INFO] checking moisutsu/chip8-emulator against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoisutsu%2Fchip8-emulator" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moisutsu/chip8-emulator on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/moisutsu/chip8-emulator
[INFO] finished tweaking git repo https://github.com/moisutsu/chip8-emulator
[INFO] tweaked toml for git repo https://github.com/moisutsu/chip8-emulator written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/moisutsu/chip8-emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0692e9b8bb3b1cd9c382a6f17685b5b801d9830dec075b78667d629f0bf1a8da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0692e9b8bb3b1cd9c382a6f17685b5b801d9830dec075b78667d629f0bf1a8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0692e9b8bb3b1cd9c382a6f17685b5b801d9830dec075b78667d629f0bf1a8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0692e9b8bb3b1cd9c382a6f17685b5b801d9830dec075b78667d629f0bf1a8da", kill_on_drop: false }`
[INFO] [stdout] 0692e9b8bb3b1cd9c382a6f17685b5b801d9830dec075b78667d629f0bf1a8da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b029c715e37b40ece3ff037e393f3d8290e0e3b033bd10b806c9d999def9f05c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b029c715e37b40ece3ff037e393f3d8290e0e3b033bd10b806c9d999def9f05c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `sound`
[INFO] [stdout]  --> src/cpu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     sound: u8,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sound`
[INFO] [stdout]  --> src/cpu.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     sound: u8,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `Command { std: "docker" "inspect" "b029c715e37b40ece3ff037e393f3d8290e0e3b033bd10b806c9d999def9f05c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b029c715e37b40ece3ff037e393f3d8290e0e3b033bd10b806c9d999def9f05c", kill_on_drop: false }`
[INFO] [stdout] b029c715e37b40ece3ff037e393f3d8290e0e3b033bd10b806c9d999def9f05c