syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"namespaced_crates:"}]}
source_snippet:     namespaced_crates: bool = (false, parse_bool, [TRACKED],
context_before:         "emit noalias metadata for mutable references (default: yes)"),
context_after:         "allow crates to be namespaced by other crates (default: no)"),