ELLSWORTH, Maine — The local farmers market is getting a new indoor home for the next couple of months in a large, empty downtown retail space that is finding new life as a venue for pop-up markets and events. The Ellsworth Farmers Market, which during warmer months splits its time between one parking lot outside the the Maine Community Foundation and another next to the Maine Grind building, will run Saturdays in the former J&B Atlantic space starting Nov.