anchor.diff:  
     json-iterator_go = buildFromGitHub {
       version = 6;
  -    rev = "1.1.4";
  +    rev = "1.1.5";
       owner = "json-iterator";
       repo = "go";
  -    sha256 = "05scwpnw1bkjir26n9dyy2slvbiczfqb5s3x4rx5lrywr4cg9mf8";
  +    sha256 = "WU/rvTRF/o/eN82jGdlrS5xftFDANLIrNtV8NAg6D90=";
       excludedPackages = "test";
       propagatedBuildInputs = [
         concurrent
  
positive.code: 
    go-jose_v2 = buildFromGitHub {
      version = 6;
      rev = "v2.1.7";
      owner = "square";
      repo = "go-jose";
      sha256 = "0p75ghaird1mijhwhy7h29hi2bh933zm653r6z8xh48794gk0ayd";
      goPackagePath = "gopkg.in/square/go-jose.v2";
      buildInputs = [
        crypto
  
negative.code:       net
        sys
      ];
      date = "2018-08-13";
    };
  
    gophercloud = buildFromGitHub {
      version = 6;
      rev = "a498b89088a54cd586baec45e86dceb1308a2158";
      owner = "gophercloud";
      repo = "gophercloud";
      sha256 = "q/lxx+hCUFXiMnqUn/+cTmTcnxzt4T2R8wUMCqzHAzA=";
      date = "2018-08-25";
      excludedPackages = "test";
      propagatedBuildInputs = [
        crypto
  