tests/fail/both_borrows/aliasing_mut1.stack.stderr

error: Undefined Behavior: not granting access to tag <TAG> because that would remove [Unique for <TAG>] which is strongly protected
  --> tests/fail/both_borrows/aliasing_mut1.rs:LL:CC
   |
LL | fn safe(x: &mut i32, y: &mut i32) {
   |                      ^ Undefined Behavior occurred here
   |
   = help: this indicates a potential bug in the program: it performed an invalid operation, but the Stacked Borrows rules it violated are still experimental
   = help: see https://github.com/rust-lang/unsafe-code-guidelines/blob/master/wip/stacked-borrows.md for further information
help: <TAG> was created by a Unique retag at offsets [0x0..0x4]
  --> tests/fail/both_borrows/aliasing_mut1.rs:LL:CC
   |
LL |     let xraw: *mut i32 = unsafe { mem::transmute(&mut x) };
   |                                                  ^^^^^^
help: <TAG> is this argument
  --> tests/fail/both_borrows/aliasing_mut1.rs:LL:CC
   |
LL | fn safe(x: &mut i32, y: &mut i32) {
   |         ^
   = note: stack backtrace:
           0: safe
               at tests/fail/both_borrows/aliasing_mut1.rs:LL:CC
           1: main
               at tests/fail/both_borrows/aliasing_mut1.rs:LL:CC

note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace

error: aborting due to 1 previous error