{"ast_node_type":"variable","tokens":[{"end":53,"kind":"keyword","start":0,"text":"let"}]}
        let Crate { owners: _, opt_hir_hash } = self;
    fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
        opt_hir_hash.unwrap().hash_stable(hcx, hasher)