1 error[E0224]: at least one trait is required for an object type
2 --> $DIR/trait-alias-only-maybe-bound.rs:13:12
4 LL | type _T0 = dyn _1;
7 error[E0224]: at least one trait is required for an object type
8 --> $DIR/trait-alias-only-maybe-bound.rs:19:12
10 LL | type _T1 = dyn _2;
13 error: aborting due to 2 previous errors
15 For more information about this error, try `rustc --explain E0224`.