{"ast_node_type":"variable","tokens":[{"end":77,"kind":"keyword","start":0,"text":"let"}]}
        let lint = errors::LossyProvenanceInt2Ptr { expr_ty, cast_ty, sugg };
        let cast_ty = fcx.resolve_vars_if_possible(self.cast_ty);
        fcx.tcx.emit_node_span_lint(