error[E0107]: wrong number of type arguments: expected 1, found 2
  --> $DIR/typeck_type_placeholder_lifetime_1.rs:19:19
   |
LL |     let c: Foo<_, _> = Foo { r: &5 };
   |                   ^ unexpected type argument

error: aborting due to previous error

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