syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"debuginfo:"}]}
source_snippet:     debuginfo: DebugInfo = (DebugInfo::None, parse_debuginfo, [TRACKED],
context_before:         "explicitly enable the `cfg(debug_assertions)` directive"),
context_after:         "debug info emission level (0-2, none, line-directives-only, \