anchor.diff:      version = 5;
       owner = "magiconair";
       repo = "properties";
  -    rev = "v1.7.4";
  -    sha256 = "05y7xwkkfc4q2irc95x7nf6gg010jrwv6krq9j2vbl9i46fmfpdj";
  +    rev = "v1.7.6";
  +    sha256 = "1bnvwplxrp88vnmmaygfk08a93jai7pgbgryjc6wyxqd91716rpl";
     };
   
     prose = buildFromGitHub {
  
positive.code:     version = 5;
      owner = "census-instrumentation";
      repo = "opencensus-go";
      rev = "7f68fb29b5923fc795ae8374e19599311f7645f2";
      sha256 = "1kwrjwnnwv5xrd0cky5g7pwqvj29d0j9x48jqsa2fzp70qyi25wa";
      goPackagePath = "go.opencensus.io";
      subPackages = [
        "internal"
        "internal/tagencoding"
        "plugin/grpc"
        "plugin/grpc/grpcstats"
        "plugin/grpc/grpctrace"
        "stats"
        "tag"
        "trace"
        "trace/propagation"
  
negative.code: 
    serf = buildFromGitHub {
      version = 5;
      rev = "d4f33d5b6a0b7b252b122dc80d559e9e5280d2d4";
      owner  = "hashicorp";
      repo   = "serf";
      sha256 = "10pacfzh8ywwjfnx154670f9syzkhwjq387bkmxkxjbm2nhgvdc1";
  
      propagatedBuildInputs = [
        armon_go-metrics
  