anchor.diff:        sha256 = "09lh79xqy7q0gy23x22lpfwihb5acr750vxl2fx0i4b88kq1vrzh";
       };
   
  -    propagatedBuildInputs = [ ugorji.go armon_go-metrics ];
  +    propagatedBuildInputs = [ ugorji_go armon_go-metrics ];
     };
   
     mesos-dns = buildFromGitHub {
  
positive.code:     owner = "coreos";
      repo = "go-etcd";
      sha256 = "0n78m4lwsjiaqhjizcsp25paj2l2d4fdr7c4i671ldvpggq76lrl";
      propagatedBuildInputs = [ ugorji.go ];
    };
  
    go-flags = buildFromGitHub {
  
negative.code:     owner = "hashicorp";
      repo = "net-rpc-msgpackrpc";
      sha256 = "0sqx6zw211fjphj1j6w7bc5191csh2jn1wkihycsd4mk5kbwvjxp";
      propagatedBuildInputs = [ ugorji_go go-multierror ];
    };
  
    ngrok = buildFromGitHub {
  