anchor.diff:  
     azure-sdk-for-go = buildFromGitHub {
       version = 5;
  -    rev = "v14.3.0";
  +    rev = "v14.5.0";
       owner  = "Azure";
       repo   = "azure-sdk-for-go";
  -    sha256 = "1brb0dn48f52grd8z4nw0zmvl35nr8qszpqhb3r4fwsc50lcmanr";
  +    sha256 = "0h0ngx335fha7dnradx3b6cn8xy9dqv1mlqq99aaibmk07lavw21";
       excludedPackages = "\\(Gododir\\|storageimportexport\\|tools\\)";
       subPackages = [
         "arm/dns"
  
positive.code: 
    hashicorp_yamux = buildFromGitHub {
      version = 5;
      date = "2017-12-19";
      rev = "683f49123a33db61abfb241b7ac5e4af4dc54d55";
      owner  = "hashicorp";
      repo   = "yamux";
      sha256 = "0f8804nagkf7b3b9y7cb879zabkm3b3y6q4gj5s4qd50nw15zjza";
    };
  
    whyrusleeping_yamux = buildFromGitHub {
  
negative.code:   };
  
    nuid = buildFromGitHub {
      version = 5;
      rev = "28b996b57a46dd0c2aa3a3dc7fa8780878331d00";
      owner = "nats-io";
      repo = "nuid";
      sha256 = "16p04zmrp12hik6rzvwmry2klp98pml0i5azgfdhddnkzzsjh30q";
      date = "2018-03-16";
    };
  
    objecthash = buildFromGitHub {
  