Resolving dependencies...
Configuring multirec-0.7.3...
Building multirec-0.7.3...
Preprocessing library multirec-0.7.3...
[ 1 of 16] Compiling Generics.MultiRec.TEq ( src/Generics/MultiRec/TEq.hs, dist/build/Generics/MultiRec/TEq.o )
[ 2 of 16] Compiling Generics.MultiRec.Constructor ( src/Generics/MultiRec/Constructor.hs, dist/build/Generics/MultiRec/Constructor.o )
[ 3 of 16] Compiling Generics.MultiRec.Base ( src/Generics/MultiRec/Base.hs, dist/build/Generics/MultiRec/Base.o )
[ 4 of 16] Compiling Generics.MultiRec.HFunctor ( src/Generics/MultiRec/HFunctor.hs, dist/build/Generics/MultiRec/HFunctor.o )
[ 5 of 16] Compiling Generics.MultiRec.Fold ( src/Generics/MultiRec/Fold.hs, dist/build/Generics/MultiRec/Fold.o )
[ 6 of 16] Compiling Generics.MultiRec.Compos ( src/Generics/MultiRec/Compos.hs, dist/build/Generics/MultiRec/Compos.o )
[ 7 of 16] Compiling Generics.MultiRec.Eq ( src/Generics/MultiRec/Eq.hs, dist/build/Generics/MultiRec/Eq.o )
[ 8 of 16] Compiling Generics.MultiRec.HFix ( src/Generics/MultiRec/HFix.hs, dist/build/Generics/MultiRec/HFix.o )
[ 9 of 16] Compiling Generics.MultiRec.TH ( src/Generics/MultiRec/TH.hs, dist/build/Generics/MultiRec/TH.o )
[10 of 16] Compiling Generics.MultiRec.ConNames ( src/Generics/MultiRec/ConNames.hs, dist/build/Generics/MultiRec/ConNames.o )
[11 of 16] Compiling Generics.MultiRec.FoldK ( src/Generics/MultiRec/FoldK.hs, dist/build/Generics/MultiRec/FoldK.o )
[12 of 16] Compiling Generics.MultiRec.Show ( src/Generics/MultiRec/Show.hs, dist/build/Generics/MultiRec/Show.o )
[13 of 16] Compiling Generics.MultiRec.FoldAlg ( src/Generics/MultiRec/FoldAlg.hs, dist/build/Generics/MultiRec/FoldAlg.o )
[14 of 16] Compiling Generics.MultiRec.FoldAlgK ( src/Generics/MultiRec/FoldAlgK.hs, dist/build/Generics/MultiRec/FoldAlgK.o )
[15 of 16] Compiling Generics.MultiRec.Read ( src/Generics/MultiRec/Read.hs, dist/build/Generics/MultiRec/Read.o )
[16 of 16] Compiling Generics.MultiRec ( src/Generics/MultiRec.hs, dist/build/Generics/MultiRec.o )
In-place registering multirec-0.7.3...
Running Haddock for multirec-0.7.3...
Running hscolour for multirec-0.7.3...
Preprocessing library multirec-0.7.3...
Preprocessing library multirec-0.7.3...
Haddock coverage:
  33% (  1 /  3) in 'Generics.MultiRec.TEq'
  75% (  3 /  4) in 'Generics.MultiRec.Constructor'
 100% ( 25 / 25) in 'Generics.MultiRec.Base'
  80% (  4 /  5) in 'Generics.MultiRec.HFunctor'
  12% (  3 / 26) in 'Generics.MultiRec.Fold'
 100% (  5 /  5) in 'Generics.MultiRec.Compos'
  40% (  2 /  5) in 'Generics.MultiRec.Eq'
  40% (  2 /  5) in 'Generics.MultiRec.HFix'
 100% (  9 /  9) in 'Generics.MultiRec.TH'
  33% (  1 /  3) in 'Generics.MultiRec.ConNames'
  12% (  3 / 26) in 'Generics.MultiRec.FoldK'
  40% (  4 / 10) in 'Generics.MultiRec.Show'
Warning: Generics.MultiRec.FoldAlg: Instances of type and data families are not yet supported. Instances of the following families will be filtered out:
  Alg, Comp
  91% ( 10 / 11) in 'Generics.MultiRec.FoldAlg'
Warning: Generics.MultiRec.FoldAlgK: Instances of type and data families are not yet supported. Instances of the following families will be filtered out:
  Alg
 100% ( 10 / 10) in 'Generics.MultiRec.FoldAlgK'
  15% (  2 / 13) in 'Generics.MultiRec.Read'
 100% ( 10 / 10) in 'Generics.MultiRec'
Documentation created: dist/doc/html/multirec/index.html
Installing library in
/srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/multirec-0.7.3
Registering multirec-0.7.3...
Installed multirec-0.7.3
Downloading zipper-0.4...
Configuring zipper-0.4...
Building zipper-0.4...
Preprocessing library zipper-0.4...
[1 of 1] Compiling Generics.MultiRec.Zipper ( src/Generics/MultiRec/Zipper.hs, dist/build/Generics/MultiRec/Zipper.o )

src/Generics/MultiRec/Zipper.hs:70:1:
    `Ctx' has no constructors (-XEmptyDataDecls permits this)
    In the data instance declaration for `Ctx'

src/Generics/MultiRec/Zipper.hs:71:1:
    `Ctx' has no constructors (-XEmptyDataDecls permits this)
    In the data instance declaration for `Ctx'
Failed to install zipper-0.4
cabal: Error: some packages failed to install:
zipper-0.4 failed during the building phase. The exception was:
ExitFailure 1