anchor.diff:        testify
       ];
       meta.useUnstable = true;
  -    date = "2017-01-12";
  +    date = "2017-01-14";
     };
   
     cupcake_rdb = buildFromGitHub {
  
positive.code:     version = 2;
      owner = "ncw";
      repo = "rclone";
      rev = "45862f4c1634ec05e49110f17f2714ce1471a012";
      sha256 = "1ig66vlw38vjbq58d687kpgvmq9l67y8gr0fqxh81hkn8bsbin28";
      propagatedBuildInputs = [
        aws-sdk-go
        cobra
  
negative.code: 
    net = buildFromGitHub {
      version = 2;
      rev = "f2499483f923065a842d38eb4c7f1927e6fc6e6d";
      date = "2017-01-14";
      owner  = "golang";
      repo   = "net";
      sha256 = "00220xp5nczzyhm5b71hnx8qj7xc6hxvv7h0psb1bi4sbwbgkzp3";
      goPackagePath = "golang.org/x/net";
      goPackageAliases = [
        "github.com/hashicorp/go.net"
  