warning: thread support is experimental and incomplete: weak memory effects are not emulated.

error: deadlock: the evaluated program deadlocked
  --> $DIR/libc_pthread_mutex_deadlock.rs:LL:CC
   |
LL |             assert_eq!(libc::pthread_mutex_lock(lock_copy.0.get() as *mut _), 0);
   |                                                                            ^ the evaluated program deadlocked
   |
   = note: inside closure at $DIR/libc_pthread_mutex_deadlock.rs:LL:CC

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

error: aborting due to previous error; 1 warning emitted