syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"crate_attr:"}]}
source_snippet:     crate_attr: Vec<String> = (Vec::new(), parse_string_push, [TRACKED],
context_before:         "control details of coverage instrumentation"),
context_after:         "inject the given attribute in the crate"),