syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // Note: `feature_bound_holds_in_crate` does not consider a feature to be enabled
context_before:     //
context_after:     // if we are in std/core even if there is a corresponding `feature` attribute on the crate.