1 error: this function has an empty `#[must_use]` attribute, but returns a type already marked as `#[must_use]`
2 --> $DIR/double_must_use.rs:5:1
4 LL | pub fn must_use_result() -> Result<(), ()> {
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
7 = note: `-D clippy::double-must-use` implied by `-D warnings`
8 = help: either add some descriptive text or remove the attribute
10 error: this function has an empty `#[must_use]` attribute, but returns a type already marked as `#[must_use]`
11 --> $DIR/double_must_use.rs:10:1
13 LL | pub fn must_use_tuple() -> (Result<(), ()>, u8) {
14 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
16 = help: either add some descriptive text or remove the attribute
18 error: this function has an empty `#[must_use]` attribute, but returns a type already marked as `#[must_use]`
19 --> $DIR/double_must_use.rs:15:1
21 LL | pub fn must_use_array() -> [Result<(), ()>; 1] {
22 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
24 = help: either add some descriptive text or remove the attribute
26 error: aborting due to 3 previous errors