anchor.diff:        done < <(find go/src/$goPackagePath -name main | xargs dirname | xargs basename -a)
         rm -r go/bin
       '';
  -    date = "2017-08-29";
  +    date = "2017-09-08";
     };
   
     mousetrap = buildFromGitHub {
  
positive.code:     version = 3;
      owner = "google";
      repo = "certificate-transparency-go";
      rev = "abcdbf6a94a0b648f888896436fe27f9e30cf6e1";
      date = "2017-09-07";
      sha256 = "193rpcq7clp0q739s2a1j5vdzswzclqr6xh5vdzg5r7q88j81w0m";
      subPackages = [
        "."
        "asn1"
  
negative.code: 
    build = buildFromGitHub {
      version = 3;
      rev = "c1c213d296c62bcc0feeb2588a7be1fc45ea22d0";
      date = "2017-09-08";
      owner = "golang";
      repo = "build";
      sha256 = "0hbsj8mfdc6ss1jinpk21zs69c7c03wh0xxc8zndh0qjmhiwx20x";
      goPackagePath = "golang.org/x/build";
      subPackages = [
        "autocertcache"
  