Dec 19 10:04:12.457 INFO checking robertpanzer/gol-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:04:12.457 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/robertpanzer/gol-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:04:12.884 INFO [stdout] 617a960d7ce503364199052ec18d27bb6c6018585c7fe079ddaf1b9ada41e336
Dec 19 10:04:12.890 INFO running `"docker" "start" "-a" "617a960d7ce503364199052ec18d27bb6c6018585c7fe079ddaf1b9ada41e336"`
Dec 19 10:04:14.688 INFO [stderr]     Checking rand v0.3.22
Dec 19 10:04:14.944 INFO [stderr]     Checking tempfile v2.2.0
Dec 19 10:04:15.456 INFO [stderr]     Checking gag v0.1.9
Dec 19 10:04:15.780 INFO [stderr]     Checking rustty v0.1.12
Dec 19 10:04:16.432 INFO [stderr]     Checking gol v0.1.0 (/opt/crater/workdir)
Dec 19 10:04:16.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
Dec 19 10:04:17.796 INFO running `"docker" "inspect" "617a960d7ce503364199052ec18d27bb6c6018585c7fe079ddaf1b9ada41e336"`
Dec 19 10:04:18.060 INFO running `"docker" "rm" "-f" "617a960d7ce503364199052ec18d27bb6c6018585c7fe079ddaf1b9ada41e336"`
Dec 19 10:04:18.448 INFO [stdout] 617a960d7ce503364199052ec18d27bb6c6018585c7fe079ddaf1b9ada41e336