[New Thread 0x7ffff1689700 (LWP 12664)]
main sleeping
thread sleeping
thread exiting
[Thread 0x7ffff1689700 (LWP 12664) exited]
main exiting

Program received signal SIGSEGV, Segmentation fault.
0x0000003f3fe39d63 in Curl_splay () from /lib64/libcurl.so.4