{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"///"}]}
    /// to look for builders that return `Self`, `Option<Self>` or `Result<Self, _>`.
    /// Look at all the associated functions without receivers in the type's inherent impls
    fn find_builder_fn(&self, err: &mut Diag<'_>, rcvr_ty: Ty<'tcx>, expr_id: hir::HirId) {