src/test/ui/issues/issue-55796.nll.stderr

   1 error: lifetime may not live long enough
   2   --> $DIR/issue-55796.rs:16:9
   3    |
   4 LL | pub trait Graph<'a> {
   5    |                 -- lifetime `'a` defined here
   6 ...
   7 LL |         Box::new(self.out_edges(u).map(|e| e.target()))
   8    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'a` must outlive `'static`
   9
  10 error: lifetime may not live long enough
  11   --> $DIR/issue-55796.rs:21:9
  12    |
  13 LL | pub trait Graph<'a> {
  14    |                 -- lifetime `'a` defined here
  15 ...
  16 LL |         Box::new(self.in_edges(u).map(|e| e.target()))
  17    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'a` must outlive `'static`
  18
  19 error: aborting due to 2 previous errors
  20