syntax_data: {"ast_node_type":"other","tokens":[{"end":110,"kind":"keyword","start":0,"text":"\"the"}]}
source_snippet:         "the directory metrics emitted by rustc are dumped into (implicitly enables default set of metrics)"),
context_before:     metrics_dir: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED],
context_after:     min_function_alignment: Option<Align> = (None, parse_align, [TRACKED],