Mutex still locked at thread exit: mutex 0x........, recursion count 1, owner 2.
   at 0x........: pthread_join (drd_pthread_intercepts.c:?)
   by 0x........: main (pth_cancel_locked.c:?)
mutex 0x........ was first observed at:
   at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
   by 0x........: main (pth_cancel_locked.c:?)

pthread_cancel(): invalid thread ID 0x........
   at 0x........: pthread_cancel (drd_pthread_intercepts.c:?)
   by 0x........: main (pth_cancel_locked.c:?)

Test finished.

ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)