Dec 19 22:27:24.508 INFO checking PRust-Projects/connect-four against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:27:24.508 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/PRust-Projects/connect-four:/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 22:27:24.901 INFO [stdout] e0fe4464371121f9e2fa7309d950393f9ec7d482e8cec233fbf294ddf9cf517c
Dec 19 22:27:24.906 INFO running `"docker" "start" "-a" "e0fe4464371121f9e2fa7309d950393f9ec7d482e8cec233fbf294ddf9cf517c"`
Dec 19 22:27:26.380 INFO [stderr]     Checking userio v0.1.0 (/opt/crater/workdir/userio)
Dec 19 22:27:26.852 INFO [stderr]     Checking connect-four v0.1.0 (/opt/crater/workdir)
Dec 19 22:27:27.844 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
Dec 19 22:27:28.678 INFO running `"docker" "inspect" "e0fe4464371121f9e2fa7309d950393f9ec7d482e8cec233fbf294ddf9cf517c"`
Dec 19 22:27:28.936 INFO running `"docker" "rm" "-f" "e0fe4464371121f9e2fa7309d950393f9ec7d482e8cec233fbf294ddf9cf517c"`
Dec 19 22:27:29.216 INFO [stdout] e0fe4464371121f9e2fa7309d950393f9ec7d482e8cec233fbf294ddf9cf517c