error[E0282]: type annotations needed
  --> $DIR/alias_eq_substs_eq_not_intercrate.rs:16:12
   |
LL |     let _: <_ as TraitB>::Assoc = needs_a::<T>();
   |            ^^^^^^^^^^^^^^^^^^^^ cannot infer type for associated type `<_ as TraitB>::Assoc`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0282`.