> --
The repository clones just fine. You have a networking problem, as you
can see the 'could not resolve host:
github.com' lines.
I also do not think you should be setting a proxy if your network does
not need one, and if it does, then it has to be a real proxy instead of
the example '
proxy.server.com' that you have used.
So you need to fix the network on whatever device you are git cloning into