syntax_data: {"ast_node_type":"other","tokens":[{"end":163,"kind":"keyword","start":0,"text":"diag.help(format!(\"for"}]}
source_snippet:     diag.help(format!("for more information, see the rustc book: https://doc.rust-lang.org/rustc/command-line-arguments.html#--print-print-compiler-information"));
context_after:     diag.emit()