(gdb) c
Continuing.
[New Thread 0x7ffff1090700 (LWP 30051)]
[New Thread 0x7fffe999f700 (LWP 30052)]
[New Thread 0x7fffe919e700 (LWP 30053)]
[New Thread 0x7fffe899d700 (LWP 30054)]
FIXME_director_kernel_test.py:36: RuntimeWarning: [WARN] Enforcing to use only one thread due to restrictions of directors

  self.init(l_features, r_features)
  -> iteration 0... Done. (pr 1.0 -- rc 0.875 -- F1 0.933333333333)

Program received signal SIGSEGV, Segmentation fault.
0x00000000004c9aad in ?? ()
(gdb)