Dec 19 04:54:40.799 INFO checking yszk0123-sandbox/hello-rust-guessing-game against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 04:54:40.800 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/yszk0123-sandbox/hello-rust-guessing-game:/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 04:54:41.268 INFO [stdout] 7ec28c0fdcfd53ab1320537e703da5152cc70b40b3a3e5749ec4296e0291dcb3
Dec 19 04:54:41.274 INFO running `"docker" "start" "-a" "7ec28c0fdcfd53ab1320537e703da5152cc70b40b3a3e5749ec4296e0291dcb3"`
Dec 19 04:54:42.869 INFO [stderr]     Checking libc v0.2.23
Dec 19 04:54:43.784 INFO [stderr]     Checking rand v0.3.15
Dec 19 04:54:45.096 INFO [stderr]     Checking hello-rust-guessing-game v0.1.0 (/opt/crater/workdir)
Dec 19 04:54:45.468 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
Dec 19 04:54:46.627 INFO running `"docker" "inspect" "7ec28c0fdcfd53ab1320537e703da5152cc70b40b3a3e5749ec4296e0291dcb3"`
Dec 19 04:54:46.946 INFO running `"docker" "rm" "-f" "7ec28c0fdcfd53ab1320537e703da5152cc70b40b3a3e5749ec4296e0291dcb3"`
Dec 19 04:54:47.260 INFO [stdout] 7ec28c0fdcfd53ab1320537e703da5152cc70b40b3a3e5749ec4296e0291dcb3