syntax_data: {"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"deprecated_do_nothing:"}]}
source_snippet:         deprecated_do_nothing: true),
context_before:         (consider using `-Cllvm-args=--inline-threshold=...`)",
context_after:     #[rustc_lint_opt_deny_field_access("use `Session::instrument_coverage` instead of this field")]