syntax_data: {"ast_node_type":"variable","tokens":[{"end":88,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let mut object_dids = data.auto_traits().chain(data.principal_def_id());
context_before:             (_, &ty::Dynamic(data, r, ty::Dyn)) => {
context_after:                 if let Some(did) = object_dids.find(|did| !tcx.is_dyn_compatible(*did)) {