Use specific server

[alphaonex86]

Hi, I wish use specific server, but failed to get list, and crash when I try:
user@amber:/speedtest-cli$ ./speedtest_cli -l
Retrieving speedtest.net configuration...
Retrieving speedtest.net server list...
Testing from Confiared S.r.l. (45.225.75.4)...
Selecting best server based on ping...
Bestest server: speed.intercorp.com.bo:8080(212.53KM)
Server latency is 70ms
Testing download speed...............
Download speed: 43.42Mbps
Testing upload speed.................
Upload speed: 24.62Mbps
user@amber:/speedtest-cli$ ./speedtest_cli -s http://speedtest1.cotas.com.bo:8080/speedtest/upload.php
Server latency is 151ms
Testing download speed...............
Download speed: 23.73Mbps
Segmentation fault (core dumped)

[1914307186]

I'm having the same issue, pls is there any workaround