anchor.diff:  
     gomemcached = buildFromGitHub {
       version = 5;
  -    rev = "f54fe1dab90ef7628b9d36a1cd96be999c4df4a7";
  -    date = "2018-01-31";
  +    rev = "1fe68d131814bb10822da6cc0f61704bbc611992";
  +    date = "2018-02-06";
       owner = "couchbase";
       repo = "gomemcached";
  -    sha256 = "1r7zqj4419a97ylk9lzcx0acl8qlrlz19rnvai1wgn9p1hwkz3s8";
  +    sha256 = "0ibh66k8n1idsspsyhyrcy94ik4zsmsrnvjb76s615kdplkdcxq7";
       excludedPackages = "mocks";
       propagatedBuildInputs = [
         crypto
  
positive.code:   };
  
    hashicorp_go-sockaddr = buildFromGitHub {
      version = 3;
      rev = "9b4c5fa5b10a683339a270d664474b9f4aee62fc";
      owner  = "hashicorp";
      repo   = "go-sockaddr";
      sha256 = "1b1jnaacx2dpmj5bk4909kalzmyak6a1xxcbd78kbcdlwmlds55v";
      date = "2017-10-30";
      propagatedBuildInputs = [
        mitchellh_cli
        columnize
  
negative.code:       net
      ];
      meta.useUnstable = true;
      date = "2018-02-09";
    };
  
    open-golang = buildFromGitHub {
  