CANNES, France — Robert Pattinson says that making the turn-of-the-century nautical psychodrama “The Lighthouse” involved some of the most terrifying work he’s ever done. “The Lighthouse” premiered Sunday in the Cannes Film Festival’s Directors’ Fortnight section. The black-and-white film is Robert Eggers’ follow-up to his 2015 hit horror film “The Witch.” It stars Pattinson and
