contrib: upgrade Rust in Windows automation
I'm not sure why we don't install the minimum required Rust version
here like we do for Linux. Whatever: that's unrelated to wanting to
stay modern.
Differential Revision: https://phab.mercurial-scm.org/D10677
from __future__ import absolute_import
from mercurial.i18n import _
from mercurial import changegroup, error, extensions
def abort(orig, *args, **kwargs):
raise error.Abort(_('this is an exercise'))
def uisetup(ui):
extensions.wrapfunction(changegroup, 'getbundler', abort)