syntax_data: {"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"//!"}]}
source_snippet: //!    the SVH (Stable Version Hash) of the crate. This scheme turned out to be
context_before: //!    changing. In previous versions of the compiler, symbol names incorporated
context_after: //!    infeasible when used in conjunction with incremental compilation because