Avoid remapping paths back to $SRC_DIR in CI

Author: oli-obk

src/test/ui/consts/missing_span_in_backtrace.rs

@@ -1,4 +1,4 @@
-// compile-flags: -Z simulate-remapped-rust-src-base=/rustc/xyz -Z translate-remapped-path-to-local-path=no
+// compile-flags: -Z simulate-remapped-rust-src-base=/rustc/xyz -Z translate-remapped-path-to-local-path=no -Z ui-testing=no
 // normalize-stderr-test "alloc[0-9]+" -> "ALLOC_ID"
 
 #![feature(const_swap)]

src/test/ui/consts/missing_span_in_backtrace.stderr

@@ -16,11 +16,11 @@ note: inside `swap_nonoverlapping::<MaybeUninit<u8>>`
 note: inside `X`
   --> $DIR/missing_span_in_backtrace.rs:17:9
    |
-LL | /         ptr::swap_nonoverlapping(
-LL | |             &mut ptr1 as *mut _ as *mut MaybeUninit<u8>,
-LL | |             &mut ptr2 as *mut _ as *mut MaybeUninit<u8>,
-LL | |             mem::size_of::<&i32>(),
-LL | |         );
+17 | /         ptr::swap_nonoverlapping(
+18 | |             &mut ptr1 as *mut _ as *mut MaybeUninit<u8>,
+19 | |             &mut ptr2 as *mut _ as *mut MaybeUninit<u8>,
+20 | |             mem::size_of::<&i32>(),
+21 | |         );
    | |_________^
 
 error: aborting due to previous error