anchor.diff:            pname = "node-sketch";
             version = "0.2.0.0";
             src = fetchgit {
  -            url = "https://github.com/arybczak/time-warp-nt.git";
  -            sha256 = "0aijj6wq14k0ralji2rn0qiyq8rplcpvgnv43w3vqdxikbxsg85s";
  -            rev = "74acf3c98ec402490e4ae086a60227560cde166d";
  +            url = "https://github.com/serokell/time-warp-nt.git";
  +            sha256 = "046kqk7m2rhzxk3960fd4jcvar8hcczbg7lv13jpw1g5wvl431fn";
  +            rev = "48cb189a412c5a606888285944b9a8f32fcd0d30";
             };
             isLibrary = true;
             isExecutable = true;
  
positive.code:             time
              time-units
              universum
              unix-compat
              unordered-containers
              vector
  
negative.code:           description = "Lenses, Folds and Traversals";
            license = stdenv.lib.licenses.bsd2;
          }) {};
        lifted-async = callPackage ({ async, base, constraints, lifted-base, mkDerivation, monad-control, stdenv, transformers-base }:
        mkDerivation {
            pname = "lifted-async";
            version = "0.9.3";
            sha256 = "97978307f34c8ab1d765724d723a13fede4112a94fe5fbf3494f00378961b461";
            libraryHaskellDepends = [
              async
              base
              constraints
              lifted-base
              monad-control
              transformers-base
            ];
            doHaddock = false;
            doCheck = false;
            homepage = "https://github.com/maoe/lifted-async";
            description = "Run lifted IO operations asynchronously and wait for their results";
            license = stdenv.lib.licenses.bsd3;
          }) {};
        lifted-base = callPackage ({ base, mkDerivation, monad-control, stdenv, transformers-base }:
        mkDerivation {
            pname = "lifted-base";
  