Pass the default worker connection into the started and finished registries

In practice all the registry methods are called with pipelines, but if no
connection is passed in when instantiating the registry and the connection
stack is empty resolve_connection will raise NoRedisConnectionException.

rq/worker.py

@@ -496,7 +496,7 @@ class Worker(object):
         self.prepare_job_execution(job)
 
         with self.connection._pipeline() as pipeline:
-            started_job_registry = StartedJobRegistry(job.origin)
+            started_job_registry = StartedJobRegistry(job.origin, self.connection)
 
             try:
                 with self.death_penalty_class(job.timeout or self.queue_class.DEFAULT_TIMEOUT):
@@ -514,7 +514,7 @@ class Worker(object):
                     job._status = Status.FINISHED
                     job.save(pipeline=pipeline)
 
-                    finished_job_registry = FinishedJobRegistry(job.origin)
+                    finished_job_registry = FinishedJobRegistry(job.origin, self.connection)
                     finished_job_registry.add(job, result_ttl, pipeline)
 
                 job.cleanup(result_ttl, pipeline=pipeline)