syntax_data: {"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"match_lint_level:"}]}
source_snippet:             match_lint_level: self.hir_id,
context_before:             dropless_arena: &dropless_arena,
context_after:             whole_match_span: Some(rustc_span::Span::default()),