unused_qualifications was removed, which I am not sure what it does or why it needed to be there in the first place, adding it causes std::mem::size_of to fail.
@subversive-owl I rebased the PR and fixed one or two things, see #9 I also added you to the dev team :) (read only, the merge bot is still being worked on..)
This has a few issues:
std::mem::size_of
to fail.