anchor.diff:  
     docker_cli = buildFromGitHub {
       version = 3;
  -    date = "2017-06-02";
  -    rev = "a0066a150be45ede09fb9fa2ac92952e2d52fe19";
  +    date = "2017-06-07";
  +    rev = "9d12d6fc870b3f457d6d317241a8ca2f3f6ff72f";
       owner = "docker";
       repo = "cli";
  -    sha256 = "1l6j92xklj2ljcvx68whc3fv8gv65zcz0whrmbk28zm4s7krwafd";
  +    sha256 = "1zf0ldw0darcgbbglcza5sswzk1c9svvw0v55qj4b877bjqklllc";
       subPackages = [
         "cli/config/configfile"
       ];
  
positive.code:     version = 3;
      owner = "moby";
      repo = "moby";
      rev = "aebcdf21b198f1ebaa7bb047282112b74f9f4490";
      date = "2017-06-02";
      sha256 = "0w6blbwi2pz91ma9ny6p3kl4sm48j4jqcmk9n3jbgxsxa2lvc69q";
      goPackageAliases = [
        "github.com/docker/docker"
      ];
  
negative.code:       net
        sys
      ];
      date = "2017-06-05";
    };
  
    google-cloud-go = buildFromGitHub {
      version = 3;
      date = "2017-06-07";
      rev = "43076e306de6f136e329d91f174bdb8bff7c6af4";
      owner = "GoogleCloudPlatform";
      repo = "google-cloud-go";
      sha256 = "0h02jvycp6qnf9i8008bscdcxh0wd0r0k8a3znaqzbiq78vxif4z";
      goPackagePath = "cloud.google.com/go";
      goPackageAliases = [
        "google.golang.org/cloud"
  