1 error: the operation is ineffective. Consider reducing it to `0`
2 --> $DIR/erasing_op.rs:9:5
7 = note: `-D erasing-op` implied by `-D warnings`
9 error: the operation is ineffective. Consider reducing it to `0`
10 --> $DIR/erasing_op.rs:10:5
15 error: the operation is ineffective. Consider reducing it to `0`
16 --> $DIR/erasing_op.rs:11:5