Anna

The same problem for me. ``` free(): invalid pointer signal (6): Aborted in expression starting at none:0 pthread_kill at /lib/x86_64-linux-gnu/libc.so.6 (unknown line) raise at /lib/x86_64-linux-gnu/libc.so.6 (unknown line) abort at /lib/x86_64-linux-gnu/libc.so.6...