syntax_data: {"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"IntercrateAmbiguityCause::UpstreamCrateUpdate"}]}
source_snippet:                                 IntercrateAmbiguityCause::UpstreamCrateUpdate { trait_ref, self_ty }
context_before:                             let cause = if let Conflict::Upstream = conflict {
context_after:                             } else {