Dec 18 15:29:32.781 INFO checking grid_search-0.14.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 15:29:32.781 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/grid_search/0.14.0:/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 18 15:29:33.238 INFO [stdout] e9e3021c6cedb0ca43d70e979a3d41d08034553aad6e1e1f237ab59ae1344ba0
Dec 18 15:29:33.240 INFO running `"docker" "start" "-a" "e9e3021c6cedb0ca43d70e979a3d41d08034553aad6e1e1f237ab59ae1344ba0"`
Dec 18 15:29:35.349 INFO [stderr]     Checking grid_2d v0.8.0
Dec 18 15:29:35.349 INFO [stderr]     Checking best v0.6.0
Dec 18 15:29:36.761 INFO [stderr]     Checking direction v0.15.1
Dec 18 15:29:38.340 INFO [stderr]     Checking grid_search v0.14.0 (/opt/crater/workdir)
Dec 18 15:29:41.895 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.62s
Dec 18 15:29:42.523 INFO running `"docker" "inspect" "e9e3021c6cedb0ca43d70e979a3d41d08034553aad6e1e1f237ab59ae1344ba0"`
Dec 18 15:29:42.852 INFO running `"docker" "rm" "-f" "e9e3021c6cedb0ca43d70e979a3d41d08034553aad6e1e1f237ab59ae1344ba0"`
Dec 18 15:29:43.349 INFO [stdout] e9e3021c6cedb0ca43d70e979a3d41d08034553aad6e1e1f237ab59ae1344ba0