[INFO] cloning repository https://github.com/jit-y/game-of-life-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jit-y/game-of-life-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fgame-of-life-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fgame-of-life-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c001465b22456fca40a091f1cb3327256c27ef8f
[INFO] checking jit-y/game-of-life-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fgame-of-life-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jit-y/game-of-life-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jit-y/game-of-life-rs
[INFO] finished tweaking git repo https://github.com/jit-y/game-of-life-rs
[INFO] tweaked toml for git repo https://github.com/jit-y/game-of-life-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jit-y/game-of-life-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 842a565dcd4f1ac728652ae87c288165a1e9dd62c7a3b28202ba2d97045e1a03
[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" "842a565dcd4f1ac728652ae87c288165a1e9dd62c7a3b28202ba2d97045e1a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "842a565dcd4f1ac728652ae87c288165a1e9dd62c7a3b28202ba2d97045e1a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842a565dcd4f1ac728652ae87c288165a1e9dd62c7a3b28202ba2d97045e1a03", kill_on_drop: false }`
[INFO] [stdout] 842a565dcd4f1ac728652ae87c288165a1e9dd62c7a3b28202ba2d97045e1a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 056ded6cf96f1a7b71ec97dcdb6756d2e4ed49d9ac7bf8039ebc99b95d6988b8
[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" "056ded6cf96f1a7b71ec97dcdb6756d2e4ed49d9ac7bf8039ebc99b95d6988b8", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_jitter v0.1.2
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking game-of-life-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.59s
[INFO] running `Command { std: "docker" "inspect" "056ded6cf96f1a7b71ec97dcdb6756d2e4ed49d9ac7bf8039ebc99b95d6988b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056ded6cf96f1a7b71ec97dcdb6756d2e4ed49d9ac7bf8039ebc99b95d6988b8", kill_on_drop: false }`
[INFO] [stdout] 056ded6cf96f1a7b71ec97dcdb6756d2e4ed49d9ac7bf8039ebc99b95d6988b8