anchor.diff:    };
   
     crypto = buildFromGitHub {
  -    rev = "3fbbcd23f1cb824e69491a5930cfeff09b12f4d2";
  -    date = "2016-04-06";
  +    rev = "1777f3ba8c1fed80fcaec3317e3aaa4f627764d2";
  +    date = "2016-03-18";
       owner    = "golang";
       repo     = "crypto";
  -    sha256 = "1ci7px1f7f5glbq3386p8x4z7xr158f26kwafd26b3h0lxb4clpw";
  +    sha256 = "0l03bc6rd3lg7gbi0ps1wy5dnnrgf33f1hc2gfb19is4apbma67r";
       goPackagePath = "golang.org/x/crypto";
       goPackageAliases = [
         "code.google.com/p/go.crypto"
         "github.com/golang/crypto"
  +    ];
  +    buildInputs = [
  +      net_crypto_lib
       ];
     };
   
  
positive.code:       "github.com/golang/net"
      ];
      propagatedBuildInputs = [ text crypto ];
    };
  
    oauth2 = buildFromGitHub {
  
negative.code:   };
  
    syncthing = buildFromGitHub rec {
      rev = "v0.12.22";
      owner = "syncthing";
      repo = "syncthing";
      sha256 = "0frh4xa08n3008kkpwj8yw5yxs14wzjsir9s7wv8pzjbnygnqyan";
      buildFlags = [ "-tags noupgrade,release" ];
      buildInputs = [
        go-lz4 du luhn xdr snappy ratelimit osext
  