syntax_data: {"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"lint_cap:"}]}
source_snippet:         lint_cap: Option<lint::Level> [TRACKED_NO_CRATE_HASH],
context_before:         lint_opts: Vec<(String, lint::Level)> [TRACKED_NO_CRATE_HASH],
context_after:         describe_lints: bool [UNTRACKED],