FIXME: update to rust-lang/rust#92608

Author: dario23

src/traverse.rs

@@ -1149,10 +1149,9 @@ fn diff_trait_impls<'tcx>(
     let structural_peq_def_id = tcx.require_lang_item(LangItem::StructuralPeq, None);
     let structural_trait_def_ids = [structural_peq_def_id, structural_teq_def_id];
 
-    for (old_impl_def_id, _) in tcx
-        .all_trait_implementations(id_mapping.get_old_crate())
-        .iter()
-    {
+    // FIXME(dario23)
+    let _ = id_mapping.get_old_crate();
+    for old_impl_def_id in &[] {
         let old_trait_def_id = tcx.impl_trait_ref(*old_impl_def_id).unwrap().def_id;
 
         if structural_trait_def_ids.contains(&old_trait_def_id) {
@@ -1173,10 +1172,9 @@ fn diff_trait_impls<'tcx>(
         }
     }
 
-    for (new_impl_def_id, _) in tcx
-        .all_trait_implementations(id_mapping.get_new_crate())
-        .iter()
-    {
+    // FIXME(dario23)
+    let _ = id_mapping.get_new_crate();
+    for new_impl_def_id in &[] {
         let new_trait_def_id = tcx.impl_trait_ref(*new_impl_def_id).unwrap().def_id;
 
         if structural_trait_def_ids.contains(&new_trait_def_id) {