1error: this function could have a `#[must_use]` attribute 2 --> $DIR/must_use_candidates.rs:12:1 3 | 4LL | pub fn pure(i: u8) -> u8 { 5 | ^^^^^^^^^^^^^^^^^^^^^^^^ help: add the attribute: `#[must_use] pub fn pure(i: u8) -> u8` 6 | 7 = note: `-D clippy::must-use-candidate` implied by `-D warnings` 8 9error: this method could have a `#[must_use]` attribute 10 --> $DIR/must_use_candidates.rs:17:5 11 | 12LL | pub fn inherent_pure(&self) -> u8 { 13 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add the attribute: `#[must_use] pub fn inherent_pure(&self) -> u8` 14 15error: this function could have a `#[must_use]` attribute 16 --> $DIR/must_use_candidates.rs:48:1 17 | 18LL | pub fn with_marker(_d: std::marker::PhantomData<&mut u32>) -> bool { 19 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add the attribute: `#[must_use] pub fn with_marker(_d: std::marker::PhantomData<&mut u32>) -> bool` 20 21error: this function could have a `#[must_use]` attribute 22 --> $DIR/must_use_candidates.rs:60:1 23 | 24LL | pub fn rcd(_x: Rc<u32>) -> bool { 25 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add the attribute: `#[must_use] pub fn rcd(_x: Rc<u32>) -> bool` 26 27error: this function could have a `#[must_use]` attribute 28 --> $DIR/must_use_candidates.rs:68:1 29 | 30LL | pub fn arcd(_x: Arc<u32>) -> bool { 31 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add the attribute: `#[must_use] pub fn arcd(_x: Arc<u32>) -> bool` 32 33error: aborting due to 5 previous errors 34 35