anchor.diff:    };
   
     muxado = buildFromGitHub {
  -    date = "2016-04-12";
  -    rev = "abadcf80c5cad697d16042f459ec1dca9acef317";
  +    date = "2014-03-12";
  +    rev = "f693c7e88ba316d1a0ae3e205e22a01aa3ec2848";
       owner  = "inconshreveable";
       repo   = "muxado";
  -    sha256 = "1ziszvgs3b6kzpbf1wkbnr16skfldrs6m5kpfcfx85hdhsdi3dbs";
  +    sha256 = "db9a65b811003bcb48d1acefe049bb12c8de232537cf07e1a4a949a901d807a2";
     };
   
     mysql = buildFromGitHub {
  
positive.code:   };
  
    hil = buildFromGitHub {
      date = "2016-04-18";
      rev = "01dc167cd239b7ccab78a683b866536cd5904719";
      owner  = "hashicorp";
      repo   = "hil";
      sha256 = "1zbs2yv0fx18k3qmk3262mj68xaz3hz7g24vw16iygdnfz02r5y8";
      propagatedBuildInputs = [
        mapstructure
        reflectwalk
  
negative.code:   };
  
    runtime-spec = buildFromGitHub {
      rev = "bf58a8f54497acc1f414a5e752057a6694feccf3";
      date = "2016-05-04";
      owner  = "opencontainers";
      repo   = "runtime-spec";
      sha256 = "458cbe83d33e754f18da879f6313a05c68a58856bb2a36056a81d119d967f2c0";
      buildInputs = [
        gojsonschema
      ];
  