anchor.diff:    };
   
     raft = buildFromGitHub {
  -    date = "2016-03-31";
  -    rev = "57cdb81412489befaac6c127ae3b63746904b58f";
  +    date = "2016-04-09";
  +    rev = "1c84b7ca86424d341b95457cf6da85fdb367c4f0";
       owner  = "hashicorp";
       repo   = "raft";
  -    sha256 = "0gv1q5zn8a2y6nym9l9cw9dp0y1ddad9kcf09qhigzlnipg0sw7p";
  +    sha256 = "1fllbriwzxg509ipda8svznid4yjb3x0lnj9mmsmjkgv371v6b54";
       propagatedBuildInputs = [ armon_go-metrics ugorji_go ];
     };
   
  
positive.code:   };
  
    dns = buildFromGitHub {
      rev = "7e024ce8ce18b21b475ac6baf8fa3c42536bf2fa";
      date = "2016-03-28";
      owner  = "miekg";
      repo   = "dns";
      sha256 = "06v3ghd2ccg2b3l0x78brvc8ghbj3qjl32v2csb3flk263s4by2b";
    };
  
    aetrion-dnsimple-go = buildFromGitHub {
  
negative.code:   };
  
    sys = buildFromGitHub {
      rev = "9eef40adf05b951699605195b829612bd7b69952";
      date = "2016-04-09";
      owner  = "golang";
      repo   = "sys";
      sha256 = "0v21hmvqibx9mc9ziybswwlh0xr50b9y5sdiz722hv81m6gnb2ga";
      goPackagePath = "golang.org/x/sys";
      goPackageAliases = [
        "github.com/golang/sys"
  