syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// during concurrent invocations of rustc, or past invocations that were
context_before:     /// This is prepended to all temporary files so that they do not collide
context_after:     /// preserved with a flag like `-C save-temps`, since these files may be