1 warning: duplicated attribute
2 --> $DIR/duplicated-attributes.rs:12:1
7 = note: `#[warn(duplicate_macro_attributes)]` on by default
9 warning: duplicated attribute
10 --> $DIR/duplicated-attributes.rs:29:1
15 warning: duplicated attribute
16 --> $DIR/duplicated-attributes.rs:34:1
21 warning: 3 warnings emitted