Dec 17 22:27:18.797 INFO checking jearbear/dots against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:27:18.797 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/jearbear/dots:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:27:21.558 INFO [stdout] 390431a55631d10f273f912d65c21f023e8c2b20f2962d53e161c5e213a578b7
Dec 17 22:27:21.560 INFO running `"docker" "start" "-a" "390431a55631d10f273f912d65c21f023e8c2b20f2962d53e161c5e213a578b7"`
Dec 17 22:27:24.730 INFO [stderr]     Checking dirs v1.0.4
Dec 17 22:27:24.731 INFO [stderr]    Compiling structopt-derive v0.2.14
Dec 17 22:27:29.116 INFO [stderr]     Checking structopt v0.2.14
Dec 17 22:27:29.641 INFO [stderr]     Checking dots v0.1.0 (/opt/crater/workdir)
Dec 17 22:27:30.731 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
Dec 17 22:27:31.390 INFO running `"docker" "inspect" "390431a55631d10f273f912d65c21f023e8c2b20f2962d53e161c5e213a578b7"`
Dec 17 22:27:31.662 INFO running `"docker" "rm" "-f" "390431a55631d10f273f912d65c21f023e8c2b20f2962d53e161c5e213a578b7"`
Dec 17 22:27:31.960 INFO [stdout] 390431a55631d10f273f912d65c21f023e8c2b20f2962d53e161c5e213a578b7