syntax_data: {"ast_node_type":"variable","tokens":[{"end":44,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let p = PathBuf::from_iter([
context_before:                 let rustlib_path = crate::relative_target_rustlib_path(sysroot, target_tuple);
context_after:                     Path::new(sysroot),