I have exact the same error. Running Ubuntu 32 bit on a older PC.

::: Destination folder=/home/gerben/domoticz
--2018-08-25 18:57:26-- http://www.domoticz.com/download.php?channel=release&type=release&system=linux&machine=i686
Resolving www.domoticz.com (www.domoticz.com)... 185.27.142.198 ...