error[E0308]: mismatched types --> $DIR/nested-binder-print.rs:6:18 | LL | let x: u32 = y; | --- ^ expected `u32`, found fn pointer | | | expected due to this | = note: expected type `u32` found fn pointer `for<'a> fn(for<'b> fn(TwoLt<'b, 'a>))` error: aborting due to previous error For more information about this error, try `rustc --explain E0308`.