Dec 19 09:03:34.141 INFO checking serayuzgur/monty_hall against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 09:03:34.141 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:03:34.557 INFO [stdout] e4e45c374966311f33be56d1f529a73170d3a291e7df04b4a6d6a0c2c403d18b
Dec 19 09:03:34.559 INFO running `"docker" "start" "-a" "e4e45c374966311f33be56d1f529a73170d3a291e7df04b4a6d6a0c2c403d18b"`
Dec 19 09:03:36.593 INFO [stderr]     Checking libc v0.2.14
Dec 19 09:03:37.316 INFO [stderr]     Checking rand v0.3.14
Dec 19 09:03:38.530 INFO [stderr]     Checking monty_hall v0.1.0 (/opt/crater/workdir)
Dec 19 09:03:38.898 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
Dec 19 09:03:39.768 INFO running `"docker" "inspect" "e4e45c374966311f33be56d1f529a73170d3a291e7df04b4a6d6a0c2c403d18b"`
Dec 19 09:03:40.070 INFO running `"docker" "rm" "-f" "e4e45c374966311f33be56d1f529a73170d3a291e7df04b4a6d6a0c2c403d18b"`
Dec 19 09:03:40.412 INFO [stdout] e4e45c374966311f33be56d1f529a73170d3a291e7df04b4a6d6a0c2c403d18b