syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"ty::UnsafeBinder(rhs_ty)"}]}
source_snippet:                 ty::UnsafeBinder(rhs_ty) => {
context_before:             ty::UnsafeBinder(lhs_ty) => match rhs.kind() {
context_after:                     self.types_may_unify(lhs_ty.skip_binder(), rhs_ty.skip_binder())