w

Author: lcnr

compiler/rustc_infer/src/traits/mod.rs

@@ -124,7 +124,6 @@ pub type Selection<'tcx> = ImplSource<'tcx, PredicateObligation<'tcx>>;
 pub type ObligationInspector<'tcx> =
     fn(&InferCtxt<'tcx>, &PredicateObligation<'tcx>, Result<Certainty, NoSolution>);
 
-#[derive(Clone)]
 pub struct FulfillmentError<'tcx> {
     pub obligation: PredicateObligation<'tcx>,
     pub code: FulfillmentErrorCode<'tcx>,