error[E0597]: `s` does not live long enough
  --> $DIR/check-normalized-sig-for-wf.rs:7:7
   |
LL |     s: String,
   |     - binding `s` declared here
...
LL |     f(&s).0
   |     --^^-
   |     | |
   |     | borrowed value does not live long enough
   |     argument requires that `s` is borrowed for `'static`
LL |
LL | }
   | - `s` dropped here while still borrowed

error[E0521]: borrowed data escapes outside of function
  --> $DIR/check-normalized-sig-for-wf.rs:15:5
   |
LL | fn extend<T>(input: &T) -> &'static T {
   |              -----  - let's call the lifetime of this reference `'1`
   |              |
   |              `input` is a reference that is only valid in the function body
...
LL |     n(input).0
   |     ^^^^^^^^
   |     |
   |     `input` escapes the function body here
   |     argument requires that `'1` must outlive `'static`

error[E0521]: borrowed data escapes outside of function
  --> $DIR/check-normalized-sig-for-wf.rs:23:5
   |
LL | fn extend_mut<'a, T>(input: &'a mut T) -> &'static mut T {
   |               --     ----- `input` is a reference that is only valid in the function body
   |               |
   |               lifetime `'a` defined here
...
LL |     n(input).0
   |     ^^^^^^^^
   |     |
   |     `input` escapes the function body here
   |     argument requires that `'a` must outlive `'static`

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0521, E0597.
For more information about an error, try `rustc --explain E0521`.