error: Negation by multiplying with -1 --> $DIR/neg_multiply.rs:30:5 | 30 | x * -1; | ^^^^^^ | note: lint level defined here --> $DIR/neg_multiply.rs:4:9 | 4 | #![deny(neg_multiply)] | ^^^^^^^^^^^^ error: Negation by multiplying with -1 --> $DIR/neg_multiply.rs:33:5 | 33 | -1 * x; | ^^^^^^ error: aborting due to 2 previous errors