error: unnecessary `pub(self)`
  --> $DIR/needless_pub_self.rs:13:1
   |
LL | pub(self) fn a() {}
   | ^^^^^^^^^ help: remove it
   |
   = note: `-D clippy::needless-pub-self` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::needless_pub_self)]`

error: unnecessary `pub(in self)`
  --> $DIR/needless_pub_self.rs:14:1
   |
LL | pub(in self) fn b() {}
   | ^^^^^^^^^^^^ help: remove it

error: unnecessary `pub(self)`
  --> $DIR/needless_pub_self.rs:20:5
   |
LL |     pub(self) fn f() {}
   |     ^^^^^^^^^ help: remove it

error: aborting due to 3 previous errors