cargo clippy

src/complexagent.rs

@@ -69,7 +69,7 @@ fn problem_space(board: &Board, color: Piece) -> Vec<Move> {
 impl Agent for ComplexAgent {
     fn next_move(&mut self, board: &Board) -> Option<(usize, usize)> {
         const LOOPS: usize = 5;
-        problem_space(&board, self.color)
+        problem_space(board, self.color)
             .into_iter()
             .map(|mut x| {
                 x.populate_next_moves(LOOPS);