[INFO] cloning repository https://github.com/aalvarado/gol_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aalvarado/gol_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faalvarado%2Fgol_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faalvarado%2Fgol_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 019f5b33b97f2d792a51f4ea4cd10b2bc632bd5b
[INFO] checking aalvarado/gol_rust against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faalvarado%2Fgol_rust" "/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/aalvarado/gol_rust on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aalvarado/gol_rust
[INFO] finished tweaking git repo https://github.com/aalvarado/gol_rust
[INFO] tweaked toml for git repo https://github.com/aalvarado/gol_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/aalvarado/gol_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pdcurses-sys v0.3.0
[INFO] [stderr]   Downloaded ncurses v5.86.0
[INFO] [stderr]   Downloaded pancurses v0.7.0
[INFO] [stderr]   Downloaded ndarray v0.7.3
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1c4f519c529a89f83df859254d74938a99c64e11afd41ae5651d673f0bb14b8
[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" "b1c4f519c529a89f83df859254d74938a99c64e11afd41ae5651d673f0bb14b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1c4f519c529a89f83df859254d74938a99c64e11afd41ae5651d673f0bb14b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c4f519c529a89f83df859254d74938a99c64e11afd41ae5651d673f0bb14b8", kill_on_drop: false }`
[INFO] [stdout] b1c4f519c529a89f83df859254d74938a99c64e11afd41ae5651d673f0bb14b8
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c8f2cf52106ae0b0da5155aa8f9cb30ed64e1c21b2809912008c7b1d83188a7
[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" "3c8f2cf52106ae0b0da5155aa8f9cb30ed64e1c21b2809912008c7b1d83188a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]    Compiling ndarray v0.7.3
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]    Compiling ncurses v5.86.0
[INFO] [stderr]     Checking pancurses v0.7.0
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking gol_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.95s
[INFO] running `Command { std: "docker" "inspect" "3c8f2cf52106ae0b0da5155aa8f9cb30ed64e1c21b2809912008c7b1d83188a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8f2cf52106ae0b0da5155aa8f9cb30ed64e1c21b2809912008c7b1d83188a7", kill_on_drop: false }`
[INFO] [stdout] 3c8f2cf52106ae0b0da5155aa8f9cb30ed64e1c21b2809912008c7b1d83188a7