563 ARG DEBIAN_FRONTEND 564 RUN --mount=type=cachesharing=lockedid=moby-build-aptlibtarget=varlibapt 565 --mount=type=cachesharing=lockedid=moby-build-aptcachetarget=varcacheapt 566

This error occurred while attempting to update the package cache and install the Clang, LLD, and LLVM packages in a Docker container. The exact cause of the error is not clear from the given information, but it may be due to issues with the package cache or dependencies. Further troubleshooting and debugging may be necessary to resolve the issue.