error[E0261]: use of undeclared lifetime name `'missing`
  --> $DIR/missing-lt-outlives-in-rpitit-114274.rs:8:55
   |
LL |     fn iter(&self) -> impl Iterator<Item = Self::Item<'missing>>;
   |                                                       ^^^^^^^^ undeclared lifetime
   |
   = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
help: consider making the bound lifetime-generic with a new `'missing` lifetime
   |
LL |     fn iter(&self) -> impl for<'missing> Iterator<Item = Self::Item<'missing>>;
   |                            +++++++++++++
help: consider introducing lifetime `'missing` here
   |
LL |     fn iter<'missing>(&self) -> impl Iterator<Item = Self::Item<'missing>>;
   |            ++++++++++
help: consider introducing lifetime `'missing` here
   |
LL | trait Iterable<'missing> {
   |               ++++++++++

error[E0311]: the parameter type `Self` may not live long enough
  --> $DIR/missing-lt-outlives-in-rpitit-114274.rs:8:37
   |
LL |     fn iter(&self) -> impl Iterator<Item = Self::Item<'missing>>;
   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider adding an explicit lifetime bound `Self: 'a`...
   = note: ...so that the type `Self` will meet its required lifetime bounds...
note: ...that is required by this bound
  --> $DIR/missing-lt-outlives-in-rpitit-114274.rs:6:15
   |
LL |         Self: 'a;
   |               ^^

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0261, E0311.
For more information about an error, try `rustc --explain E0261`.