anchor.diff:        sha256 = "09lh79xqy7q0gy23x22lpfwihb5acr750vxl2fx0i4b88kq1vrzh";
       };
   
  -    propagatedBuildInputs = [ ugorji.go armon_go-metrics ];
  +    propagatedBuildInputs = [ ugorji_go armon_go-metrics ];
     };
   
     mesos-dns = buildFromGitHub {
  
positive.code:     sha256 = "1gvgkx7llklz6plapb95fcql7d34i6j7anlvksqhdirpja465jnm";
    };
  
    ugorji.go = buildFromGitHub {
      date = "2015-12-01";
      rev = "357a44b2b13e2711a45e30016508134101477610";
      owner = "ugorji";
  
negative.code:     owner = "hashicorp";
      repo = "memberlist";
      sha256 = "1fflijhhmrxmxgps7mb5pgg9a56hkzv0nqzx1gr3mv664gja0gm3";
      propagatedBuildInputs = [ ugorji_go armon_go-metrics ];
    };
  
    memberlist_v2 = buildGoPackage rec {
  