1 error[E0308]: mismatched types
2 --> $DIR/fn-subtype.rs:7:33
4 LL | let y: for<'a> fn(&'a ()) = x;
5 | ^ one type is more general than the other
7 = note: expected fn pointer `for<'a> fn(&'a ())`
8 found fn pointer `fn(&())`
10 error: aborting due to previous error
12 For more information about this error, try `rustc --explain E0308`.