The README.md text says:

You can grab the latest build here (source package or *.deb).

However, the DNS name in that URL does not seem to resolve any more.

Chrome says:

"""
This site can’t be reached
Check if there is a typo in circleci-tkn.rhcloud.com.
DNS_PROBE_FINISHED_NXDOMAIN
"""

The command line "host" tool says:;

"""
$ host circleci-tkn.rhcloud.com
->
Host circleci-tkn.rhcloud.com not found: 3(NXDOMAIN)
"""