error: needlessly taken reference of both operands --> $DIR/op_ref.rs:13:15 | 13 | let foo = &5 - &6; | ^^^^^^^ | = note: `-D clippy::op-ref` implied by `-D warnings` help: use the values directly | 13 | let foo = 5 - 6; | ^ ^ error: taken reference of right operand --> $DIR/op_ref.rs:21:8 | 21 | if b < &a { | ^^^^-- | | | help: use the right value directly: `a` error: aborting due to 2 previous errors