Dec 19 06:21:58.566 INFO checking upenn-cis198-2018f/Lecture5 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 Dec 19 06:21:58.566 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/upenn-cis198-2018f/Lecture5:/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 06:21:58.950 INFO [stdout] 2754dc1eddb734536ad46f6adffec895b7040ff0fdd4acf95b407faf5a07a06b Dec 19 06:21:58.954 INFO running `"docker" "start" "-a" "2754dc1eddb734536ad46f6adffec895b7040ff0fdd4acf95b407faf5a07a06b"` Dec 19 06:21:59.844 INFO [stderr] Checking lecture5 v0.1.0 (/opt/crater/workdir) Dec 19 06:22:00.035 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.20s Dec 19 06:22:00.280 INFO running `"docker" "inspect" "2754dc1eddb734536ad46f6adffec895b7040ff0fdd4acf95b407faf5a07a06b"` Dec 19 06:22:00.401 INFO running `"docker" "rm" "-f" "2754dc1eddb734536ad46f6adffec895b7040ff0fdd4acf95b407faf5a07a06b"` Dec 19 06:22:00.506 INFO [stdout] 2754dc1eddb734536ad46f6adffec895b7040ff0fdd4acf95b407faf5a07a06b