[INFO] cloning repository https://github.com/ExcaliburZero/conways-game-of-life-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ExcaliburZero/conways-game-of-life-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fconways-game-of-life-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fconways-game-of-life-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc804d03c1ce5af52c2cce74d889e610056efc8e
[INFO] checking ExcaliburZero/conways-game-of-life-rust against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fconways-game-of-life-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ExcaliburZero/conways-game-of-life-rust on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ExcaliburZero/conways-game-of-life-rust
[INFO] finished tweaking git repo https://github.com/ExcaliburZero/conways-game-of-life-rust
[INFO] tweaked toml for git repo https://github.com/ExcaliburZero/conways-game-of-life-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ExcaliburZero/conways-game-of-life-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "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 ndarray v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aee3a79cd96460223e772789b8b27c0874095307f64f3dd6e0179f48ac6cb789
[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" "aee3a79cd96460223e772789b8b27c0874095307f64f3dd6e0179f48ac6cb789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aee3a79cd96460223e772789b8b27c0874095307f64f3dd6e0179f48ac6cb789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee3a79cd96460223e772789b8b27c0874095307f64f3dd6e0179f48ac6cb789", kill_on_drop: false }`
[INFO] [stdout] aee3a79cd96460223e772789b8b27c0874095307f64f3dd6e0179f48ac6cb789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc282eb96252d73e5efc766c6ed94782e0dc4d099d1858df4ea958d04b146d65
[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" "fc282eb96252d73e5efc766c6ed94782e0dc4d099d1858df4ea958d04b146d65", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking gol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.67s
[INFO] running `Command { std: "docker" "inspect" "fc282eb96252d73e5efc766c6ed94782e0dc4d099d1858df4ea958d04b146d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc282eb96252d73e5efc766c6ed94782e0dc4d099d1858df4ea958d04b146d65", kill_on_drop: false }`
[INFO] [stdout] fc282eb96252d73e5efc766c6ed94782e0dc4d099d1858df4ea958d04b146d65