error: higher-ranked subtype error
  --> $DIR/hr-subtype.rs:45:13
   |
LL |               gimme::<$t1>(None::<$t2>);
   |               ^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL | / check! { bound_inv_a_b_vs_bound_inv_a: (for<'a,'b> fn(Inv<'a>, Inv<'b>),
LL | | for<'a>    fn(Inv<'a>, Inv<'a>)) }
   | |__________________________________- in this macro invocation
   |
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: higher-ranked subtype error
  --> $DIR/hr-subtype.rs:45:13
   |
LL |               gimme::<$t1>(None::<$t2>);
   |               ^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL | / check! { bound_inv_a_b_vs_bound_inv_a: (for<'a,'b> fn(Inv<'a>, Inv<'b>),
LL | | for<'a>    fn(Inv<'a>, Inv<'a>)) }
   | |__________________________________- in this macro invocation
   |
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 2 previous errors