syntax_data: {"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"dump_dep_graph:"}]}
source_snippet:     dump_dep_graph: bool = (false, parse_bool, [UNTRACKED],
context_before:         "load proc macros for both target and host, but only link to the target (default: no)"),
context_after:         "dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv) \