syntax_data: {"ast_node_type":"other","tokens":[{"end":22,"kind":"keyword","start":0,"text":"self_profiler,"}]}
source_snippet:         self_profiler,
context_before:     let prof = SelfProfilerRef::new(
context_after:         sopts.unstable_opts.time_passes.then(|| sopts.unstable_opts.time_passes_format),