package.loader: Fail loading early when failing to create an origin/visit
Fix [1] unbound value error when failure to create either origin or origin-visit.
Test Plan
tox
Migrated from D2495 (view on Phabricator)
Staging instance, all changes can be removed at any time
Fix [1] unbound value error when failure to create either origin or origin-visit.
tox
Migrated from D2495 (view on Phabricator)