Requests via javascript: violate FPI
With your nightlies http://f4amtbsowhix7rrf.onion/reports/r/tor-browser-2017-06-05/tor-browser_build.html click the link
javascript:togglecontent('test_nightly-linux-x86_64');
near the red cross and get
Torbutton INFO: tor SOCKS: http://f4amtbsowhix7rrf.onion/reports/r/tor-browser-2017-06-05/test_nightly-linux-x86_64 via
--unknown--:b3bb40be24aec95a7d8c35608707fc28