Dec 19 06:05:40.405 INFO checking vishusandy/entropy2 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:05:40.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/vishusandy/entropy2:/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 06:05:40.901 INFO [stdout] c9877c7bfafe3e0fa50d4d32d440ed8df828bbb1eca736bf162f18e99ba71945
Dec 19 06:05:40.901 INFO running `"docker" "start" "-a" "c9877c7bfafe3e0fa50d4d32d440ed8df828bbb1eca736bf162f18e99ba71945"`
Dec 19 06:05:42.692 INFO [stderr]     Checking libc v0.2.22
Dec 19 06:05:43.470 INFO [stderr]     Checking time v0.1.37
Dec 19 06:05:44.039 INFO [stderr]     Checking entropy2 v0.1.1 (/opt/crater/workdir)
Dec 19 06:05:44.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
Dec 19 06:05:44.794 INFO running `"docker" "inspect" "c9877c7bfafe3e0fa50d4d32d440ed8df828bbb1eca736bf162f18e99ba71945"`
Dec 19 06:05:44.866 INFO running `"docker" "rm" "-f" "c9877c7bfafe3e0fa50d4d32d440ed8df828bbb1eca736bf162f18e99ba71945"`
Dec 19 06:05:44.994 INFO [stdout] c9877c7bfafe3e0fa50d4d32d440ed8df828bbb1eca736bf162f18e99ba71945