some dists with odd versions are missing `index-metadata`
distil-258fbf-32a4bc.py, but i think the issue itself is with
...only the oldest (0.1.7) works as expected, the others simply produce this "error message":
[any@sh ~]$ python2 ./distil-258fbf-32a4bc.py package --formats=wheel 'index-metadata'
...same problem here:
...it's worth noting that the default_locator does not return any of these missing dists either (if that's obvious/given, forgive me)
also, i was unable to create wheels for these due to some undefined symbol issues (could not look further):