anchor.diff:    ##       from the context: a
     constraints = super.constraints_0_10;
   
  +  ## Needs bump to a versioned attribute
  +  ## 
  +  ##     • Could not deduce (Semigroup (IterT m a))
  +  ##         arising from the superclasses of an instance declaration
  +  ##       from the context: (Monad m, Monoid a)
  +  free = super.free_5;
  +
  +  funcmp = overrideCabal super.funcmp_1_9 (drv: {
  +    ## Needs bump to a versioned attribute
  +    ## 
  +    ## Needed for (<>) in prelude
  +    ## Setup: Encountered missing dependencies:
  +    ## base >=3 && <4.11
  +    jailbreak       = true;
  +  });
  +
     hspec-core = overrideCabal super.hspec-core_2_4_8 (drv: {
       ## Needs bump to a versioned attribute
       ## 
       ##     • No instance for (Semigroup Summary)
       ##         arising from the superclasses of an instance declaration
       ##     • In the instance declaration for ‘Monoid Summary’
  +    ## error: while evaluating the attribute ‘buildInputs’ of the derivation ‘hspec-core-2.4.8’ at /home/deepfire/src/nixpkgs/pkgs/stdenv/generic/make-derivation.nix:148:11:
  +    ## while evaluating the attribute ‘buildInputs’ of the derivation ‘silently-1.2.5’ at /home/deepfire/src/nixpkgs/pkgs/stdenv/generic/make-derivation.nix:148:11:
  +    ## while evaluating the attribute ‘buildInputs’ of the derivation ‘temporary-1.2.1.1’ at /home/deepfire/src/nixpkgs/pkgs/stdenv/generic/make-derivation.nix:148:11:
  +    ## while evaluating the attribute ‘buildInputs’ of the derivation ‘base-compat-0.9.3’ at /home/deepfire/src/nixpkgs/pkgs/stdenv/generic/make-derivation.nix:148:11:
  +    ## while evaluating the attribute ‘propagatedBuildInputs’ of the derivation ‘hspec-2.4.8’ at /home/deepfire/src/nixpkgs/pkgs/stdenv/generic/make-derivation.nix:148:11:
  +    ## infinite recursion encountered, at undefined position
       doCheck         = false;
     });
   
  
positive.code:   wavefront = overrideCabal super.wavefront (drv: {
      ## Setup: Encountered missing dependencies:
      ## base >=4.8 && <4.11
      ## builder for ‘/nix/store/iy6ccxh4dvp6plalx4ww81qrnhxm7jgr-wavefront-0.7.1.1.drv’ failed with exit code 1
      ## error: build of ‘/nix/store/iy6ccxh4dvp6plalx4ww81qrnhxm7jgr-wavefront-0.7.1.1.drv’ failed
      jailbreak       = true;
    });
  
    # Needed for (<>) in prelude
    funcmp = super.funcmp_1_9;
  
    # https://github.com/haskell-hvr/deepseq-generics/pull/4
    deepseq-generics = doJailbreak super.deepseq-generics;
  
    # SMP compat
    # https://github.com/vincenthz/hs-securemem/pull/12
    securemem =
      let patch = pkgs.fetchpatch
            { url = https://github.com/vincenthz/hs-securemem/commit/6168d90b00bfc6a559d3b9160732343644ef60fb.patch;
              sha256 = "0pfjmq57kcvxq7mhljd40whg2g77vdlvjyycdqmxxzz1crb6pipf";
            };
      in appendPatch super.securemem patch;
  }
  
negative.code:   th-abstraction = overrideCabal super.th-abstraction (drv: {
      ## Setup: Encountered missing dependencies:
      ## template-haskell >=2.5 && <2.13
      jailbreak       = true;
    });
  
    these = overrideCabal super.these (drv: {
      ## Setup: Encountered missing dependencies:
      ## base >=4.5 && <4.11
      jailbreak       = true;
    });
  
    trifecta = overrideCabal super.trifecta (drv: {
      ## Setup: Encountered missing dependencies:
      ## ghc >=7.0 && <8.4
      ## /run/current-system/sw/bin/nix-shell: failed to build all dependencies
      doCheck         = false;
    });
  
    unliftio-core = overrideCabal super.unliftio-core (drv: {
      ## Setup: Encountered missing dependencies:
      ## base >=4.5 && <4.11
      jailbreak       = true;
    });
  
  