error: return type captures more lifetimes than trait definition
  --> $DIR/rpitit-impl-captures-too-much.rs:8:39
   |
LL |     fn hello(self_: Invariant<'_>) -> impl Sized + use<Self>;
   |                               -- this lifetime was captured
...
LL |     fn hello(self_: Invariant<'_>) -> impl Sized + use<'_> {}
   |                                       ^^^^^^^^^^^^^^^^^^^^
   |
note: hidden type must only reference lifetimes captured by this impl trait
  --> $DIR/rpitit-impl-captures-too-much.rs:4:39
   |
LL |     fn hello(self_: Invariant<'_>) -> impl Sized + use<Self>;
   |                                       ^^^^^^^^^^^^^^^^^^^^^^
   = note: hidden type inferred to be `impl Sized`

error: aborting due to 1 previous error