syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"lint_level:"}]}
source_snippet:         lint_level: tcx.local_def_id_to_hir_id(def_id),
context_before:         typing_env: ty::TypingEnv::non_body_analysis(tcx, def_id),
context_after:         let_source: LetSource::None,