error[E0061]: this function takes 1 argument but 2 arguments were supplied --> $DIR/wrong_argument_ice.rs:11:18 | LL | self.acc.push_back(self.current_provides, self.current_requires); | ^^^^^^^^^ | note: associated function defined here --> $SRC_DIR/alloc/src/collections/vec_deque/mod.rs:LL:COL | LL | pub fn push_back(&mut self, value: T) { | ^^^^^^^^^ help: wrap these arguments in parentheses to construct a tuple | LL | self.acc.push_back((self.current_provides, self.current_requires)); | + + error: aborting due to previous error For more information about this error, try `rustc --explain E0061`.