Dec 17 15:41:24.766 INFO checking serayuzgur/monty_hall against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:41:24.766 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/serayuzgur/monty_hall:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:41:25.207 INFO [stdout] 4daacc61c2aa577ea9a82d970a5930846c7fe334727e1e5567db5b55d49910ce
Dec 17 15:41:25.209 INFO running `"docker" "start" "-a" "4daacc61c2aa577ea9a82d970a5930846c7fe334727e1e5567db5b55d49910ce"`
Dec 17 15:41:27.913 INFO [stderr]     Checking libc v0.2.14
Dec 17 15:41:28.636 INFO [stderr]     Checking rand v0.3.14
Dec 17 15:41:30.037 INFO [stderr]     Checking monty_hall v0.1.0 (/opt/crater/workdir)
Dec 17 15:41:30.456 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
Dec 17 15:41:31.594 INFO running `"docker" "inspect" "4daacc61c2aa577ea9a82d970a5930846c7fe334727e1e5567db5b55d49910ce"`
Dec 17 15:41:31.894 INFO running `"docker" "rm" "-f" "4daacc61c2aa577ea9a82d970a5930846c7fe334727e1e5567db5b55d49910ce"`
Dec 17 15:41:32.183 INFO [stdout] 4daacc61c2aa577ea9a82d970a5930846c7fe334727e1e5567db5b55d49910ce