=?utf-8?q?PG_Bug_reporting_form?= <noreply@postgresql.org> writes:
> PostgreSQL version: 9.6.0
> ...
> pg_restore: [parallel archiver] a worker process died unexpectedly
If this is really 9.6.0, your first move should be to update to
current (9.6.9, at present) to see if the problem is already fixed.
regards, tom lane