[INFO] cloning repository https://github.com/Weltraumschaf/game_of_life
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Weltraumschaf/game_of_life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeltraumschaf%2Fgame_of_life"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeltraumschaf%2Fgame_of_life'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5c16b17b203adec8036296fc6e72900045488ee
[INFO] checking Weltraumschaf/game_of_life against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeltraumschaf%2Fgame_of_life" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Weltraumschaf/game_of_life on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Weltraumschaf/game_of_life
[INFO] finished tweaking git repo https://github.com/Weltraumschaf/game_of_life
[INFO] tweaked toml for git repo https://github.com/Weltraumschaf/game_of_life written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Weltraumschaf/game_of_life already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e58c4ff96b29075887d6c4181af7774a67fa24ce6ebbfa7104ef75b42720a2fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e58c4ff96b29075887d6c4181af7774a67fa24ce6ebbfa7104ef75b42720a2fc"`
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-complex v0.1.42
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking game_of_life v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hamcrest v0.1.5
[INFO] [stderr] warning: method is never used: `has_cell`
[INFO] [stderr]   --> src/population.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn has_cell(&self, position: &Place) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `"docker" "inspect" "e58c4ff96b29075887d6c4181af7774a67fa24ce6ebbfa7104ef75b42720a2fc"`
[INFO] running `"docker" "rm" "-f" "e58c4ff96b29075887d6c4181af7774a67fa24ce6ebbfa7104ef75b42720a2fc"`
[INFO] [stdout] e58c4ff96b29075887d6c4181af7774a67fa24ce6ebbfa7104ef75b42720a2fc