update ui tests

Author: GuillaumeGomez

src/test/ui/borrowck/borrowck-closures-mut-of-imm.rs

@@ -1,10 +1,6 @@
 // Tests that two closures cannot simultaneously have mutable
 // and immutable access to the variable. Issue #6801.
 
-fn get(x: &isize) -> isize {
-    *x
-}
-
 fn set(x: &mut isize) {
     *x = 4;
 }

src/test/ui/borrowck/borrowck-closures-mut-of-imm.stderr

@@ -1,17 +1,17 @@
 error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
-  --> $DIR/borrowck-closures-mut-of-imm.rs:13:25
+  --> $DIR/borrowck-closures-mut-of-imm.rs:9:25
    |
 LL |     let mut c1 = || set(&mut *x);
    |                         ^^^^^^^ cannot borrow as mutable
 
 error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
-  --> $DIR/borrowck-closures-mut-of-imm.rs:15:25
+  --> $DIR/borrowck-closures-mut-of-imm.rs:11:25
    |
 LL |     let mut c2 = || set(&mut *x);
    |                         ^^^^^^^ cannot borrow as mutable
 
 error[E0524]: two closures require unique access to `x` at the same time
-  --> $DIR/borrowck-closures-mut-of-imm.rs:15:18
+  --> $DIR/borrowck-closures-mut-of-imm.rs:11:18
    |
 LL |     let mut c1 = || set(&mut *x);
    |                  --           - first borrow occurs due to use of `x` in closure
@@ -28,4 +28,5 @@ LL |     c2(); c1();
 
 error: aborting due to 3 previous errors
 
-For more information about this error, try `rustc --explain E0596`.
+Some errors have detailed explanations: E0524, E0596.
+For more information about an error, try `rustc --explain E0524`.

src/test/ui/borrowck/borrowck-closures-mut-of-mut.stderr

@@ -15,3 +15,4 @@ LL |     c2(); c1();
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0524`.

src/test/ui/borrowck/borrowck-closures-unique.stderr

@@ -50,4 +50,5 @@ LL |     let c1 = |y: &'static mut isize| x = y;
 
 error: aborting due to 4 previous errors
 
-For more information about this error, try `rustc --explain E0500`.
+Some errors have detailed explanations: E0500, E0524.
+For more information about an error, try `rustc --explain E0500`.

src/test/ui/nll/closures-in-loops.stderr

@@ -27,5 +27,5 @@ LL |         v.push(|| *x = String::new());
 
 error: aborting due to 3 previous errors
 
-Some errors have detailed explanations: E0382, E0499.
+Some errors have detailed explanations: E0382, E0499, E0524.
 For more information about an error, try `rustc --explain E0382`.