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error[E0700]: hidden type for `WithoutLt` captures lifetime that does not appear in bounds
  --> $DIR/nested-tait-hrtb.rs:7:62
   |
LL | type WithoutLt = impl Sized;
   |                  ---------- opaque type defined here
LL | fn without_lt() -> impl for<'a> Trait<'a, Assoc = WithoutLt> {}
   |                             --                               ^^
   |                             |
   |                             hidden type `&'a str` captures the lifetime `'a` as defined here

error[E0792]: expected generic lifetime parameter, found `'a`
  --> $DIR/nested-tait-hrtb.rs:12:60
   |
LL | type WithLt<'a> = impl Sized + 'a;
   |             -- this generic parameter must be used with a generic lifetime parameter
LL |
LL | fn with_lt() -> impl for<'a> Trait<'a, Assoc = WithLt<'a>> {}
   |                                                            ^^

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0700, E0792.
For more information about an error, try `rustc --explain E0700`.