Dec 19 15:02:27.864 INFO checking joeyjoejoejr/advent-of-code-2018 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:02:27.864 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/joeyjoejoejr/advent-of-code-2018:/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 15:02:28.272 INFO [stdout] 1cb109996d36318eb0fd8b0e111308c1c081b3f3957a903390acd0717dcd1b86
Dec 19 15:02:28.276 INFO running `"docker" "start" "-a" "1cb109996d36318eb0fd8b0e111308c1c081b3f3957a903390acd0717dcd1b86"`
Dec 19 15:02:29.696 INFO [stderr]    Compiling syn v0.15.23
Dec 19 15:02:37.250 INFO [stderr]    Compiling structopt-derive v0.2.14
Dec 19 15:02:40.319 INFO [stderr]     Checking structopt v0.2.14
Dec 19 15:02:40.788 INFO [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
Dec 19 15:02:42.750 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.18s
Dec 19 15:02:44.211 INFO running `"docker" "inspect" "1cb109996d36318eb0fd8b0e111308c1c081b3f3957a903390acd0717dcd1b86"`
Dec 19 15:02:44.562 INFO running `"docker" "rm" "-f" "1cb109996d36318eb0fd8b0e111308c1c081b3f3957a903390acd0717dcd1b86"`
Dec 19 15:02:44.916 INFO [stdout] 1cb109996d36318eb0fd8b0e111308c1c081b3f3957a903390acd0717dcd1b86