anchor.diff:      doCheck         = false;
       ## Setup: Encountered missing dependencies:
       ## data-or ==1.0.*
  -    ## builder for ‘/nix/store/iw3xsljnygsv9q2jglcv54mqd94fig7n-bytestring-trie-0.2.4.1.drv’ failed with exit code 1
  -    ## error: build of ‘/nix/store/iw3xsljnygsv9q2jglcv54mqd94fig7n-bytestring-trie-0.2.4.1.drv’ failed
       libraryHaskellDepends = drv.libraryHaskellDepends ++ [ self.data-or ];
     });
   
     gtk2hs-buildtools = overrideCabal super.gtk2hs-buildtools (drv: {
       ## Unmerged.  PR: https://github.com/gtk2hs/gtk2hs/pull/233
       ## 
  -    ## /nix/store/78sxg2kvl2klplqfx22s6b42lds7qq23-stdenv/setup: line 99: cd: tools: No such file or directory
  +    ## Setup: Encountered missing dependencies:
  +    ## Cabal >=1.24.0.0 && <2.1
       src = pkgs.fetchFromGitHub {
         owner  = "deepfire";
         repo   = "gtk2hs";
         rev    = "08c68d5afc22dd5761ec2c92ebf49c6d252e545b";
         sha256 = "06prn5wqq8x225n9wlbyk60f50jyjj8fm2hf181dyqjpf8wq75xa";
       };
  -    ## Setup: No cabal file found.
       prePatch        = "cd tools; ";
     });
   
  
positive.code:   th-abstraction = overrideCabal super.th-abstraction (drv: {
      ## Setup: Encountered missing dependencies:
      ## template-haskell >=2.5 && <2.13
      ## builder for ‘/nix/store/la3zdphp3nqzl590n25zyrgj62ga8cl6-th-abstraction-0.2.6.0.drv’ failed with exit code 1
      ## error: build of ‘/nix/store/la3zdphp3nqzl590n25zyrgj62ga8cl6-th-abstraction-0.2.6.0.drv’ failed
      jailbreak       = true;
    });
  
    these = overrideCabal super.these (drv: {
      ## Setup: Encountered missing dependencies:
      ## base >=4.5 && <4.11
      ## builder for ‘/nix/store/1wwqq67pinjj95fgqg13bchh0kbyrb83-these-0.7.4.drv’ failed with exit code 1
      ## error: build of ‘/nix/store/1wwqq67pinjj95fgqg13bchh0kbyrb83-these-0.7.4.drv’ failed
      jailbreak       = true;
    });
  
    trifecta = overrideCabal super.trifecta (drv: {
      ## CABAL-MISSING-DEPS
      ## Setup: Encountered missing dependencies:
      ## ghc >=7.0 && <8.4
      ## builder for ‘/nix/store/yklyv4lw4d02316p31x7a2pni1z6gjgk-doctest-0.13.0.drv’ failed with exit code 1
      ## error: build of ‘/nix/store/yklyv4lw4d02316p31x7a2pni1z6gjgk-doctest-0.13.0.drv’ failed
      doCheck         = false;
    });
  
    unliftio-core = overrideCabal super.unliftio-core (drv: {
      ## Setup: Encountered missing dependencies:
      ## base >=4.5 && <4.11
      ## builder for ‘/nix/store/bn8w06wlq7zzli0858hfwlai7wbj6dmq-unliftio-core-0.1.1.0.drv’ failed with exit code 1
      ## error: build of ‘/nix/store/bn8w06wlq7zzli0858hfwlai7wbj6dmq-unliftio-core-0.1.1.0.drv’ failed
      jailbreak       = true;
    });
  
  
negative.code:       rev    = "935f6f0915e89c314b686bdbdc6980c72335ba3c";
        sha256 = "1v3c1bd5q07qncqfbikvs8h3r4dr500blm5xv3b4jqqv69f0iam9";
      };
    });
  
    lambdacube-compiler = overrideCabal super.lambdacube-compiler (drv: {
  