syntax_data: {"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"on"}]}
source_snippet:         on a C toolchain or linker installed in the system"),
context_before:         "control whether to link Rust provided C objects/libraries or rely \
context_after:     linker: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED],