{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"//"}]}
            // NOTE: this is a dummy span if `extern crate std` was injected by the compiler.
            // Suggest using #![no_std]. #[no_core] is unstable and not really supported anyway.
            // If it's not a dummy, that means someone added `extern crate std` explicitly and