diff --git a/tests/ui-fulldeps/dropck-tarena-cycle-checked.stderr b/tests/ui-fulldeps/dropck-tarena-cycle-checked.stderr
index 4299688221a..47897dc003a 100644
--- a/tests/ui-fulldeps/dropck-tarena-cycle-checked.stderr
+++ b/tests/ui-fulldeps/dropck-tarena-cycle-checked.stderr
@@ -1,6 +1,8 @@
 error[E0597]: `arena` does not live long enough
   --> $DIR/dropck-tarena-cycle-checked.rs:116:7
    |
+LL |     let arena = TypedArena::default();
+   |         ----- binding `arena` declared here
 LL |     f(&arena);
    |       ^^^^^^ borrowed value does not live long enough
 LL | }
diff --git a/tests/ui-fulldeps/dropck-tarena-unsound-drop.stderr b/tests/ui-fulldeps/dropck-tarena-unsound-drop.stderr
index ccffee9cdbd..493d74b0bde 100644
--- a/tests/ui-fulldeps/dropck-tarena-unsound-drop.stderr
+++ b/tests/ui-fulldeps/dropck-tarena-unsound-drop.stderr
@@ -1,6 +1,8 @@
 error[E0597]: `arena` does not live long enough
   --> $DIR/dropck-tarena-unsound-drop.rs:41:7
    |
+LL |     let arena: TypedArena<C> = TypedArena::default();
+   |         ----- binding `arena` declared here
 LL |     f(&arena);
    |       ^^^^^^ borrowed value does not live long enough
 LL | }