error: lifetime may not live long enough
  --> $DIR/lt-ref-self.rs:11:9
   |
LL |     fn ref_self(&self, f: &u32) -> &u32 {
   |                 -         - let's call the lifetime of this reference `'1`
   |                 |
   |                 let's call the lifetime of this reference `'2`
LL |         f
   |         ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: lifetime may not live long enough
  --> $DIR/lt-ref-self.rs:17:9
   |
LL |     fn ref_Self(self: &Self, f: &u32) -> &u32 {
   |                       -         - let's call the lifetime of this reference `'1`
   |                       |
   |                       let's call the lifetime of this reference `'2`
LL |         f
   |         ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: lifetime may not live long enough
  --> $DIR/lt-ref-self.rs:21:9
   |
LL |     fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
   |                               -          - let's call the lifetime of this reference `'1`
   |                               |
   |                               let's call the lifetime of this reference `'2`
LL |         f
   |         ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: lifetime may not live long enough
  --> $DIR/lt-ref-self.rs:25:9
   |
LL |     fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
   |                               -          - let's call the lifetime of this reference `'1`
   |                               |
   |                               let's call the lifetime of this reference `'2`
LL |         f
   |         ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: lifetime may not live long enough
  --> $DIR/lt-ref-self.rs:29:9
   |
LL |     fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
   |                                       -           - let's call the lifetime of this reference `'1`
   |                                       |
   |                                       let's call the lifetime of this reference `'2`
LL |         f
   |         ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: lifetime may not live long enough
  --> $DIR/lt-ref-self.rs:33:9
   |
LL |     fn box_pin_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
   |                                   -           - let's call the lifetime of this reference `'1`
   |                                   |
   |                                   let's call the lifetime of this reference `'2`
LL |         f
   |         ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: aborting due to 6 previous errors