src/tools/clippy/tests/ui/uninhabited_references.stderr

error: dereferencing a reference to an uninhabited type would be undefined behavior
  --> tests/ui/uninhabited_references.rs:5:23
   |
LL | fn ret_uninh_ref() -> &'static std::convert::Infallible {
   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::uninhabited-references` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::uninhabited_references)]`

error: dereferencing a reference to an uninhabited type would be undefined behavior
  --> tests/ui/uninhabited_references.rs:11:30
   |
LL |         fn $name(x: &$ty) -> &$ty {
   |                              ^^^^
...
LL | ret_something!(id_never, !);
   | --------------------------- in this macro invocation
   |
   = note: this error originates in the macro `ret_something` (in Nightly builds, run with -Z macro-backtrace for more info)

error: dereferencing a reference to an uninhabited type is undefined behavior
  --> tests/ui/uninhabited_references.rs:12:14
   |
LL |             &*x
   |              ^^
...
LL | ret_something!(id_never, !);
   | --------------------------- in this macro invocation
   |
   = note: this error originates in the macro `ret_something` (in Nightly builds, run with -Z macro-backtrace for more info)

error: dereferencing a reference to an uninhabited type is undefined behavior
  --> tests/ui/uninhabited_references.rs:22:13
   |
LL |     let _ = *x;
   |             ^^

error: aborting due to 4 previous errors