{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"///"}]}
    ///          >>> referenced by rust_out.69edbd30df4ae57d-cgu.0
    /// warning: linker stderr: rust-lld: undefined symbol: foo
    ///          >>>               rust_out.rust_out.69edbd30df4ae57d-cgu.0.rcgu.o:(rust_out::main::h3a90094b06757803)