#427 pr into ctrl-rs - error handling Pull request opened by wild-endeavor • Update informer errors to use its own errors. • Add watch_for_errors. • Store the singular controller worker into a field so it can be raced in watch_for_errors. • Also race the informer error channel. • Some cleanup: remove unused fields from core base controller. • Adding a timeout for now to thread.join in _r_controller's stop. Otherwise sync tasks were hanging. needs further investigation. flyteorg/flyte-sdk