Dec 19 06:31:48.230 INFO checking tylerlaberge/rascal against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:31:48.230 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/tylerlaberge/rascal:/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 06:31:48.686 INFO [stdout] 90cf055dc7329825de8324a60ca6e68d9b22f68647b3fe2b28b9607d620c614d
Dec 19 06:31:48.688 INFO running `"docker" "start" "-a" "90cf055dc7329825de8324a60ca6e68d9b22f68647b3fe2b28b9607d620c614d"`
Dec 19 06:31:50.894 INFO [stderr]     Checking either v1.2.0
Dec 19 06:31:51.260 INFO [stderr]     Checking itertools v0.7.1
Dec 19 06:31:52.993 INFO [stderr]     Checking rascal v1.2.0 (/opt/crater/workdir)
Dec 19 06:31:57.106 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
Dec 19 06:31:58.403 INFO running `"docker" "inspect" "90cf055dc7329825de8324a60ca6e68d9b22f68647b3fe2b28b9607d620c614d"`
Dec 19 06:31:58.700 INFO running `"docker" "rm" "-f" "90cf055dc7329825de8324a60ca6e68d9b22f68647b3fe2b28b9607d620c614d"`
Dec 19 06:31:58.993 INFO [stdout] 90cf055dc7329825de8324a60ca6e68d9b22f68647b3fe2b28b9607d620c614d