anchor.diff:    };
   
     memberlist = buildFromGitHub {
  -    date = "2016-02-25";
  -    rev = "ae9a8d974c48e1dfe981177288831513bb5d3f4d";
  +    date = "2016-03-07";
  +    rev = "cef12ad58224d55cf26caa9e3d239c2fcb3432a2";
       owner = "hashicorp";
       repo = "memberlist";
  -    sha256 = "0jpczvjgcvp3bv1y5w7jpsngg9l7m5r23ldfix6lzhyzm6xflpyb";
  +    sha256 = "0sbb3s47zdsrwqwqjixwzzjl9smclfd71i6affbp77l968bxa663";
       propagatedBuildInputs = [ ugorji_go armon_go-metrics ];
     };
   
  
positive.code:   };
  
    dns = buildFromGitHub {
      rev = "4adf880b0237527fe9e86701c412d6906e5fcf9c";
      date = "2016-03-02";
      owner  = "miekg";
      repo   = "dns";
      sha256 = "191qwxin1ahqnkvpxgp1avip528sqydac4qn7qsxqrvnd3fz0fxs";
    };
  
    docker = buildFromGitHub {
  
negative.code:   };
  
    datadog-go = buildFromGitHub {
      date = "2016-02-15";
      rev = "8b6f59aa4f252b3b547523c21381330138bfe3ac";
      owner = "DataDog";
      repo = "datadog-go";
      sha256 = "0wxbcnp3xmifcsgq6kp1qgd4ymxhgnsakmvmsbraazmsglssi1lv";
    };
  
    dbus = buildFromGitHub {
  