anchor.diff:      owner = "hashicorp";
       repo = "memberlist";
       sha256 = "1fflijhhmrxmxgps7mb5pgg9a56hkzv0nqzx1gr3mv664gja0gm3";
  -    propagatedBuildInputs = [ ugorji.go armon_go-metrics ];
  +    propagatedBuildInputs = [ ugorji_go armon_go-metrics ];
     };
   
     memberlist_v2 = buildGoPackage rec {
  
positive.code: 
      buildInputs = [
        datadog-go circbuf armon_go-metrics go-radix bolt go-dockerclient errwrap
        go-checkpoint go-cleanhttp go-immutable-radix go-memdb ugorji.go
        go-multierror go-syslog golang-lru hcl logutils memberlist
        net-rpc-msgpackrpc raft raft-boltdb scada-client serf yamux
        muxado dns cli mapstructure columnize crypto
  
negative.code:       go-querystring hailocab.go-hostpool consul-api errwrap go-cleanhttp
        go-multierror go-syslog golang-lru hcl-old logutils serf hashicorp.uuid
        go-jmespath osext pq cli copystructure go-homedir mapstructure reflectwalk
        columnize go-zookeeper ugorji_go crypto net oauth2 asn1-ber inf
      ];
    };
  
  