Resolving dependencies...
Configuring hashable-1.2.1.0...
Building hashable-1.2.1.0...
Preprocessing library hashable-1.2.1.0...
[1 of 3] Compiling Data.Hashable.Class ( Data/Hashable/Class.hs, dist/build/Data/Hashable/Class.o )
[2 of 3] Compiling Data.Hashable.Generic ( Data/Hashable/Generic.hs, dist/build/Data/Hashable/Generic.o )
[3 of 3] Compiling Data.Hashable    ( Data/Hashable.hs, dist/build/Data/Hashable.o )
In-place registering hashable-1.2.1.0...
Running Haddock for hashable-1.2.1.0...
Running hscolour for hashable-1.2.1.0...
Preprocessing library hashable-1.2.1.0...
Preprocessing library hashable-1.2.1.0...
Warning: The documentation for the following packages are not installed. No
links will be generated to these packages: text-0.11.2.3
Haddock coverage:
 100% ( 11 / 11) in 'Data.Hashable.Class'
 100% (  1 /  1) in 'Data.Hashable.Generic'
 100% ( 22 / 22) in 'Data.Hashable'
Warning: Data.Hashable: could not find link destinations for:
    Data.Text.Internal.Text Data.Text.Lazy.Internal.Text Data.Hashable.Class.GHashable
Documentation created: dist/doc/html/hashable/index.html
Installing library in
/srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/hashable-1.2.1.0
Registering hashable-1.2.1.0...
Installed hashable-1.2.1.0
Downloading data-dword-0.1...
Configuring data-dword-0.1...
Building data-dword-0.1...
Preprocessing library data-dword-0.1...
[1 of 3] Compiling Data.DoubleWord.Base ( src/Data/DoubleWord/Base.hs, dist/build/Data/DoubleWord/Base.o )
[2 of 3] Compiling Data.DoubleWord.TH ( src/Data/DoubleWord/TH.hs, dist/build/Data/DoubleWord/TH.o )

src/Data/DoubleWord/TH.hs:15:37:
    Module `Data.Hashable' does not export `combine'
Failed to install data-dword-0.1
cabal: Error: some packages failed to install:
data-dword-0.1 failed during the building phase. The exception was:
ExitFailure 1