Resolving dependencies...
Configuring cereal-0.4.1.1...
Building cereal-0.4.1.1...
Preprocessing library cereal-0.4.1.1...
[1 of 5] Compiling Data.Serialize.Builder ( src/Data/Serialize/Builder.hs, dist/build/Data/Serialize/Builder.o )
[2 of 5] Compiling Data.Serialize.Put ( src/Data/Serialize/Put.hs, dist/build/Data/Serialize/Put.o )
[3 of 5] Compiling Data.Serialize.Get ( src/Data/Serialize/Get.hs, dist/build/Data/Serialize/Get.o )
[4 of 5] Compiling Data.Serialize.IEEE754 ( src/Data/Serialize/IEEE754.hs, dist/build/Data/Serialize/IEEE754.o )
[5 of 5] Compiling Data.Serialize   ( src/Data/Serialize.hs, dist/build/Data/Serialize.o )
In-place registering cereal-0.4.1.1...
Running Haddock for cereal-0.4.1.1...
Running hscolour for cereal-0.4.1.1...
Preprocessing library cereal-0.4.1.1...
Preprocessing library cereal-0.4.1.1...
Haddock coverage:
  96% ( 26 / 27) in 'Data.Serialize.Builder'
  69% ( 29 / 42) in 'Data.Serialize.Put'
  94% ( 50 / 53) in 'Data.Serialize.Get'
 100% ( 11 / 11) in 'Data.Serialize.IEEE754'
Cannot find documentation for: $example
 100% ( 12 / 12) in 'Data.Serialize'
Warning: Data.Serialize.Put: could not find link destinations for:
    Data.Serialize.Put.PairS
Warning: Data.Serialize.Get: could not find link destinations for:
    Data.Serialize.Get.get
Documentation created: dist/doc/html/cereal/index.html,
dist/doc/html/cereal/cereal.txt
Creating package registration file: /tmp/pkgConf-cereal-0.4.130780.1
Installing library in
/home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.8.3/cereal-0.4.1.1
Registering cereal-0.4.1.1...
Installed cereal-0.4.1.1
Configuring grid-7.8.0...
Building grid-7.8.0...
Preprocessing library grid-7.8.0...
[ 1 of 14] Compiling Math.Geometry.GridInternal ( src/Math/Geometry/GridInternal.hs, dist/build/Math/Geometry/GridInternal.o )
[ 2 of 14] Compiling Math.Geometry.Grid.TriangularInternal ( src/Math/Geometry/Grid/TriangularInternal.hs, dist/build/Math/Geometry/Grid/TriangularInternal.o )
[ 3 of 14] Compiling Math.Geometry.Grid.Triangular ( src/Math/Geometry/Grid/Triangular.hs, dist/build/Math/Geometry/Grid/Triangular.o )
[ 4 of 14] Compiling Math.Geometry.Grid.SquareInternal ( src/Math/Geometry/Grid/SquareInternal.hs, dist/build/Math/Geometry/Grid/SquareInternal.o )
[ 5 of 14] Compiling Math.Geometry.Grid.Square ( src/Math/Geometry/Grid/Square.hs, dist/build/Math/Geometry/Grid/Square.o )
[ 6 of 14] Compiling Math.Geometry.Grid.HexagonalInternal ( src/Math/Geometry/Grid/HexagonalInternal.hs, dist/build/Math/Geometry/Grid/HexagonalInternal.o )
[ 7 of 14] Compiling Math.Geometry.Grid.Hexagonal ( src/Math/Geometry/Grid/Hexagonal.hs, dist/build/Math/Geometry/Grid/Hexagonal.o )
[ 8 of 14] Compiling Math.Geometry.Grid.HexagonalInternal2 ( src/Math/Geometry/Grid/HexagonalInternal2.hs, dist/build/Math/Geometry/Grid/HexagonalInternal2.o )
[ 9 of 14] Compiling Math.Geometry.Grid.Hexagonal2 ( src/Math/Geometry/Grid/Hexagonal2.hs, dist/build/Math/Geometry/Grid/Hexagonal2.o )
[10 of 14] Compiling Math.Geometry.Grid.OctagonalInternal ( src/Math/Geometry/Grid/OctagonalInternal.hs, dist/build/Math/Geometry/Grid/OctagonalInternal.o )
[11 of 14] Compiling Math.Geometry.Grid.Octagonal ( src/Math/Geometry/Grid/Octagonal.hs, dist/build/Math/Geometry/Grid/Octagonal.o )
[12 of 14] Compiling Math.Geometry.Grid ( src/Math/Geometry/Grid.hs, dist/build/Math/Geometry/Grid.o )
[13 of 14] Compiling Math.Geometry.GridMap ( src/Math/Geometry/GridMap.hs, dist/build/Math/Geometry/GridMap.o )

src/Math/Geometry/GridMap.hs:56:32:
    Not in scope: type constructor or class ‘Foldable’
Failed to install grid-7.8.0
cabal: Error: some packages failed to install:
grid-7.8.0 failed during the building phase. The exception was:
ExitFailure 1