Judging from the line of people waiting to get into a still-closed Théâtre Lumière (seating capacity: 2,281) at 7:45 this morning the anticipation was high for Jacques Audiard’s return to the Croisette, “Rust and Bone.” It was in this same theatre that three years ago we discovered the history- and career-making “A Prophet,” one of the best films made in the last twenty years. One can’t help wondering if the self-effacing Audiard felt any sort