syntax_data: {"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let method_did = self.target_local.and_then(|target_local| {
context_before:                 // BasicBlock). If so, we emit a more specific lint.
context_after:                     find_self_call(self.tcx, self.body, target_local, loc.block)