error: unit tests in doctest are not executed
  --> $DIR/test_attr_in_doctest.rs:6:5
   |
LL |   /// #[test]
   |  _____^
LL | | /// fn should_be_linted() {
   | |_______________________^
   |
   = note: `-D clippy::test-attr-in-doctest` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::test_attr_in_doctest)]`

error: unit tests in doctest are not executed
  --> $DIR/test_attr_in_doctest.rs:16:5
   |
LL |   /// #[test]
   |  _____^
LL | | /// fn should_also_be_linted() {
   | |____________________________^

error: unit tests in doctest are not executed
  --> $DIR/test_attr_in_doctest.rs:22:5
   |
LL |   /// #[test]
   |  _____^
LL | | /// fn should_be_linted_too() {
   | |___________________________^

error: aborting due to 3 previous errors