these 2 derivations will be built:
  /nix/store/12awx5kl8893n13715a0jm58ws6c92g2-client-RELEASE_5750-rHEAD.drv
  /nix/store/zkjpcrj43n3ppnjy4v4l6gycdhxy74s5-vuze-5750.drv
error: Cannot build '/nix/store/69vwhlk2a77xlij5siyd4hjq4w8fi85k-client-RELEASE_5750-rHEAD.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/44h76cfnapj5pfif0scj78q4dmxdx59b-client-RELEASE_5750-rHEAD
       Last 3 log lines:
       > exporting http://svn.vuze.com/public/client/tags/RELEASE_5750 (rHEAD) into /nix/store/44h76cfnapj5pfif0scj78q4dmxdx59b-client-RELEASE_5750-rHEAD
       > svn: E170013: Unable to connect to a repository at URL 'http://svn.vuze.com/public/client/tags/RELEASE_5750'
       > svn: E175002: Unexpected HTTP status 502 'Bad Gateway' on '/public/client/tags/RELEASE_5750'
       For full logs, run:
         nix log /nix/store/69vwhlk2a77xlij5siyd4hjq4w8fi85k-client-RELEASE_5750-rHEAD.drv
error: build of resolved derivation '/nix/store/69vwhlk2a77xlij5siyd4hjq4w8fi85k-client-RELEASE_5750-rHEAD.drv' failed
error: Cannot build '/nix/store/zkjpcrj43n3ppnjy4v4l6gycdhxy74s5-vuze-5750.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/ai9bcq17d9gac7xqam38rv94gyis6w7c-vuze-5750