error: this item has comments with 4 forward slashes (`////`). These look like doc comments, but they aren't
  --> tests/ui/four_forward_slashes.rs:12:1
   |
LL | / //// whoops
LL | | fn a() {}
   | |_
   |
   = note: `-D clippy::four-forward-slashes` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::four_forward_slashes)]`
help: make this a doc comment by removing one `/`
   |
LL + /// whoops
   |

error: this item has comments with 4 forward slashes (`////`). These look like doc comments, but they aren't
  --> tests/ui/four_forward_slashes.rs:15:1
   |
LL | / //// whoops
LL | | #[allow(dead_code)]
LL | | fn b() {}
   | |_
   |
help: make this a doc comment by removing one `/`
   |
LL + /// whoops
   |

error: this item has comments with 4 forward slashes (`////`). These look like doc comments, but they aren't
  --> tests/ui/four_forward_slashes.rs:19:1
   |
LL | / //// whoops
LL | | //// two borked comments!
LL | | #[track_caller]
LL | | fn c() {}
   | |_
   |
help: turn these into doc comments by removing one `/`
   |
LL + /// whoops
LL ~ /// two borked comments!
   |

error: this item has comments with 4 forward slashes (`////`). These look like doc comments, but they aren't
  --> tests/ui/four_forward_slashes.rs:27:1
   |
LL | / //// between attributes
LL | | #[allow(dead_code)]
LL | | fn g() {}
   | |_
   |
help: make this a doc comment by removing one `/`
   |
LL + /// between attributes
   |

error: this item has comments with 4 forward slashes (`////`). These look like doc comments, but they aren't
  --> tests/ui/four_forward_slashes.rs:31:1
   |
LL | /     //// not very start of contents
LL | | fn h() {}
   | |_
   |
help: make this a doc comment by removing one `/`
   |
LL + /// not very start of contents
   |

error: aborting due to 5 previous errors