fix rebase

Author: estebank

compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs

@@ -5,10 +5,11 @@ use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::unord::UnordSet;
 use rustc_errors::codes::*;
 use rustc_errors::{
-    pluralize, struct_span_code_err, Applicability, Diag, ErrorGuaranteed, StashKey, StringPart,
+    pluralize, struct_span_code_err, Applicability, Diag, ErrorGuaranteed, MultiSpan, StashKey,
+    StringPart,
 };
 use rustc_hir::def::Namespace;
-use rustc_hir::def_id::{DefId, LocalDefId};
+use rustc_hir::def_id::{DefId, LocalDefId, LOCAL_CRATE};
 use rustc_hir::intravisit::Visitor;
 use rustc_hir::{self as hir, LangItem, Node};
 use rustc_infer::infer::{InferOk, TypeTrace};