error: lifetime may not live long enough
  --> $DIR/ref-mut-struct.rs:12:9
   |
LL |     fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 {
   |                         -               - let's call the lifetime of this reference `'1`
   |                         |
   |                         let's call the lifetime of this reference `'2`
LL |         f
   |         ^ function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: lifetime may not live long enough
  --> $DIR/ref-mut-struct.rs:16:9
   |
LL |     fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 {
   |                                 -                - let's call the lifetime of this reference `'1`
   |                                 |
   |                                 let's call the lifetime of this reference `'2`
LL |         f
   |         ^ function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: lifetime may not live long enough
  --> $DIR/ref-mut-struct.rs:20:9
   |
LL |     fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 {
   |                                 -                - let's call the lifetime of this reference `'1`
   |                                 |
   |                                 let's call the lifetime of this reference `'2`
LL |         f
   |         ^ function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: lifetime may not live long enough
  --> $DIR/ref-mut-struct.rs:24:9
   |
LL |     fn box_box_ref_Struct(self: Box<Box<&mut Struct>>, f: &u32) -> &u32 {
   |                                         -                 - let's call the lifetime of this reference `'1`
   |                                         |
   |                                         let's call the lifetime of this reference `'2`
LL |         f
   |         ^ function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: lifetime may not live long enough
  --> $DIR/ref-mut-struct.rs:28:9
   |
LL |     fn box_pin_ref_Struct(self: Box<Pin<&mut Struct>>, f: &u32) -> &u32 {
   |                                         -                 - let's call the lifetime of this reference `'1`
   |                                         |
   |                                         let's call the lifetime of this reference `'2`
LL |         f
   |         ^ function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: aborting due to 5 previous errors