error: this function could have a `#[must_use]` attribute
  --> tests/ui/must_use_candidates.rs:16:8
   |
LL | pub fn pure(i: u8) -> u8 {
   |        ^^^^
   |
   = note: `-D clippy::must-use-candidate` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::must_use_candidate)]`
help: add the attribute
   |
LL + #[must_use] 
LL | pub fn pure(i: u8) -> u8 {
   |

error: this method could have a `#[must_use]` attribute
  --> tests/ui/must_use_candidates.rs:22:12
   |
LL |     pub fn inherent_pure(&self) -> u8 {
   |            ^^^^^^^^^^^^^
   |
help: add the attribute
   |
LL ~     #[must_use] 
LL ~     pub fn inherent_pure(&self) -> u8 {
   |

error: this function could have a `#[must_use]` attribute
  --> tests/ui/must_use_candidates.rs:54:8
   |
LL | pub fn with_marker(_d: std::marker::PhantomData<&mut u32>) -> bool {
   |        ^^^^^^^^^^^
   |
help: add the attribute
   |
LL + #[must_use] 
LL | pub fn with_marker(_d: std::marker::PhantomData<&mut u32>) -> bool {
   |

error: this function could have a `#[must_use]` attribute
  --> tests/ui/must_use_candidates.rs:67:8
   |
LL | pub fn rcd(_x: Rc<u32>) -> bool {
   |        ^^^
   |
help: add the attribute
   |
LL + #[must_use] 
LL | pub fn rcd(_x: Rc<u32>) -> bool {
   |

error: this function could have a `#[must_use]` attribute
  --> tests/ui/must_use_candidates.rs:76:8
   |
LL | pub fn arcd(_x: Arc<u32>) -> bool {
   |        ^^^^
   |
help: add the attribute
   |
LL + #[must_use] 
LL | pub fn arcd(_x: Arc<u32>) -> bool {
   |

error: aborting due to 5 previous errors