@enough-analyst-54434 oh wow good catch, those are the same failures I’m getting on my PR for rust engine fixes. I thought it was due to changes made in that PR, but it looks like it’s an issue with other things too The two issues I’ve been seeing are

E           ZipImportError: bad local file header in /tmp/tmpNQFVeJ_BUILD_ROOT/.pants.d/python-setup/resolved_requirements/CPython-2.7.6/scandir-1.7-cp27-cp27mu-linux_x86_64.whl

and

E   TypeError: object of type 'Package' has no len()