Update ui test suite to nightly-2021-07-20

Author: dtolnay

tests/ui/derive_nonclone.stderr

@@ -1,7 +1,11 @@
 error[E0277]: the trait bound `ffi::Other: Clone` is not satisfied
- --> $DIR/derive_nonclone.rs:5:9
-  |
-5 |         other: Other,
-  |         ^^^^^^^^^^^^ the trait `Clone` is not implemented for `ffi::Other`
-  |
-  = note: required by `clone`
+   --> $DIR/derive_nonclone.rs:5:9
+    |
+5   |         other: Other,
+    |         ^^^^^^^^^^^^ the trait `Clone` is not implemented for `ffi::Other`
+    |
+note: required by `clone`
+   --> $DIR/clone.rs:121:5
+    |
+121 |     fn clone(&self) -> Self;
+    |     ^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/unique_ptr_to_opaque.stderr

@@ -4,4 +4,10 @@ error[E0271]: type mismatch resolving `<outside::C as ExternType>::Kind == Trivi
 22 |     cxx::UniquePtr::new(outside::C { a: 4 });
    |     ^^^^^^^^^^^^^^^^^^^ expected enum `Trivial`, found enum `cxx::kind::Opaque`
    |
-   = note: required by `UniquePtr::<T>::new`
+note: required by `UniquePtr::<T>::new`
+  --> $DIR/unique_ptr.rs:38:5
+   |
+38 | /     pub fn new(value: T) -> Self
+39 | |     where
+40 | |         T: ExternType<Kind = Trivial>,
+   | |______________________________________^