syntax_data: {"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"debuginfo_compression:"}]}
source_snippet:         debuginfo_compression: DebugInfoCompression [TRACKED],
context_before:         debuginfo: DebugInfo [TRACKED],
context_after:         lint_opts: Vec<(String, lint::Level)> [TRACKED_NO_CRATE_HASH],