error[E0107]: wrong number of type arguments: expected at most 2, found 3
  --> $DIR/generic-type-more-params-with-defaults.rs:9:12
   |
LL |     let _: Vec<isize, Heap, bool>;
   |            ^^^^^^^^^^^^^^^^^^^^^^ expected at most 2 type arguments

error: aborting due to previous error

For more information about this error, try `rustc --explain E0107`.