Manual find replace updates

Author: Noratrieb

tests/fail/concurrency/read_only_atomic_load_large.stderr

@@ -15,5 +15,5 @@ see <https://doc.rust-lang.org/nightly/std/sync/atomic/index.html#atomic-accesse
 
 note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 

tests/fail/concurrency/windows_join_detached.stderr

@@ -18,5 +18,5 @@ LL |     thread.join().unwrap();
 
 note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 

tests/fail/concurrency/windows_join_main.stderr

@@ -9,5 +9,5 @@ LL |             assert_eq!(WaitForSingleObject(MAIN_THREAD, INFINITE), 0);
 
 note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 

tests/fail/concurrency/windows_join_self.stderr

@@ -8,5 +8,5 @@ LL |             assert_eq!(WaitForSingleObject(native, INFINITE), 0);
 
 note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 

tests/fail/memleak_rc.32bit.stderr

@@ -20,5 +20,5 @@ note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a
 
 note: the evaluated program leaked memory, pass `-Zmiri-ignore-leaks` to disable this check
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 

tests/fail/stacked_borrows/retag_data_race_read.stack.stderr

@@ -21,5 +21,5 @@ LL |     let t2 = std::thread::spawn(move || thread_2(p));
 
 note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 

tests/fail/stacked_borrows/retag_data_race_read.tree.stderr

@@ -22,5 +22,5 @@ LL | pub fn catch_unwind<F: FnOnce() -> R + UnwindSafe, R>(f: F) -> Result<R> {
    = note: inside `std::rt::lang_start_internal` at RUSTLIB/std/src/rt.rs:LL:CC
    = note: inside `std::rt::lang_start::<()>` at RUSTLIB/std/src/rt.rs:LL:CC
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 

tests/fail/tree_borrows/write_to_shr.stderr

@@ -22,5 +22,5 @@ LL |     let xref = unsafe { &*(x as *mut u64) };
 
 note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
 
-error: aborting due to previous error
+error: aborting due to 1 previous error