syntax_data: {"ast_node_type":"impl","tokens":[{"end":95,"kind":"keyword","start":0,"text":"debug!(\""}]}
source_snippet:         debug!(" => associated item, attempting to find impl in typing_env {:#?}", typing_env);
context_before:     let result = if let Some(trait_def_id) = tcx.trait_of_assoc(def_id) {
context_after:         resolve_associated_item(