Dec 19 18:54:13.677 INFO checking cmusser/periodic against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:54:13.677 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/cmusser/periodic:/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 18:54:14.289 INFO [stdout] 6ae248cd5a1bf5e1dd80023ad5115326adbe651fb4b2622acd81c315fa9c0762
Dec 19 18:54:14.291 INFO running `"docker" "start" "-a" "6ae248cd5a1bf5e1dd80023ad5115326adbe651fb4b2622acd81c315fa9c0762"`
Dec 19 18:54:15.798 INFO [stderr]     Checking chrono v0.4.2
Dec 19 18:54:15.798 INFO [stderr]     Checking regex v1.0.0
Dec 19 18:54:15.804 INFO [stderr]     Checking tokio-process v0.1.5
Dec 19 18:54:19.524 INFO [stderr]     Checking periodic v0.0.1 (/opt/crater/workdir)
Dec 19 18:54:21.088 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.48s
Dec 19 18:54:22.532 INFO running `"docker" "inspect" "6ae248cd5a1bf5e1dd80023ad5115326adbe651fb4b2622acd81c315fa9c0762"`
Dec 19 18:54:22.782 INFO running `"docker" "rm" "-f" "6ae248cd5a1bf5e1dd80023ad5115326adbe651fb4b2622acd81c315fa9c0762"`
Dec 19 18:54:23.103 INFO [stdout] 6ae248cd5a1bf5e1dd80023ad5115326adbe651fb4b2622acd81c315fa9c0762