message: fix writing to read-only raw pointer in thread-local test
diff: @@ -58,7 +58,7 @@ fn main() {
  // Initialize the keys we use to check destructor ordering
  for (key, global) in KEYS.iter_mut().zip(GLOBALS.iter_mut()) {
  *key = create(Some(mem::transmute(dtor as unsafe extern fn(*mut u64))));
  - set(*key, global as *const _ as *mut _);
  + set(*key, global as *mut _ as *mut u8);
  }
  // Initialize cannary
  