[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#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fconways-game-of-life-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ExcaliburZero/conways-game-of-life-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded image v0.19.0
[INFO] [stderr]   Downloaded ndarray v0.11.2
[INFO] [stderr]   Downloaded num-derive v0.2.2
[INFO] [stderr]   Downloaded quote v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6a930d97ca9254b1f3a4fee1791de0df89cbf24aaafe66bb39027b183f7dec3
[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" "c6a930d97ca9254b1f3a4fee1791de0df89cbf24aaafe66bb39027b183f7dec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6a930d97ca9254b1f3a4fee1791de0df89cbf24aaafe66bb39027b183f7dec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a930d97ca9254b1f3a4fee1791de0df89cbf24aaafe66bb39027b183f7dec3", kill_on_drop: false }`
[INFO] [stdout] c6a930d97ca9254b1f3a4fee1791de0df89cbf24aaafe66bb39027b183f7dec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2856d329cc929ce8de45842cf6b906c8ca8155fda7e151dcc2763891d052ea8f
[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" "2856d329cc929ce8de45842cf6b906c8ca8155fda7e151dcc2763891d052ea8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking ndarray v0.11.2
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[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 14.99s
[INFO] running `Command { std: "docker" "inspect" "2856d329cc929ce8de45842cf6b906c8ca8155fda7e151dcc2763891d052ea8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2856d329cc929ce8de45842cf6b906c8ca8155fda7e151dcc2763891d052ea8f", kill_on_drop: false }`
[INFO] [stdout] 2856d329cc929ce8de45842cf6b906c8ca8155fda7e151dcc2763891d052ea8f