Resolving dependencies...
Downloading nbt-0.6...
Configuring nbt-0.6...
Building nbt-0.6...
Preprocessing library nbt-0.6...

src/Data/NBT.hs:33:8:
    Could not find module ‘Data.Serialize’
    There are files missing in the ‘cereal-0.5.1.0@cerea_843xOxvPj94HAJ9SD4EJuq’ package,
    try running 'ghc-pkg check'.
    Use -v to see a list of the files searched for.

src/Data/NBT.hs:34:8:
    Could not find module ‘Data.Serialize.Get’
    There are files missing in the ‘cereal-0.5.1.0@cerea_843xOxvPj94HAJ9SD4EJuq’ package,
    try running 'ghc-pkg check'.
    Use -v to see a list of the files searched for.

src/Data/NBT.hs:35:8:
    Could not find module ‘Data.Serialize.IEEE754’
    There are files missing in the ‘cereal-0.5.1.0@cerea_843xOxvPj94HAJ9SD4EJuq’ package,
    try running 'ghc-pkg check'.
    Use -v to see a list of the files searched for.

src/Data/NBT.hs:36:8:
    Could not find module ‘Data.Serialize.Put’
    There are files missing in the ‘cereal-0.5.1.0@cerea_843xOxvPj94HAJ9SD4EJuq’ package,
    try running 'ghc-pkg check'.
    Use -v to see a list of the files searched for.

src/Data/NBT.hs:37:8:
    Could not find module ‘Data.Text.Encoding’
    There are files missing in the ‘text-1.2.2.0@text_5c7VCmRXJenGcMPs3kwpkI’ package,
    try running 'ghc-pkg check'.
    Use -v to see a list of the files searched for.

src/Data/NBT.hs:40:18:
    Could not find module ‘Data.Text’
    There are files missing in the ‘text-1.2.2.0@text_5c7VCmRXJenGcMPs3kwpkI’ package,
    try running 'ghc-pkg check'.
    Use -v to see a list of the files searched for.
Failed to install nbt-0.6
cabal: Error: some packages failed to install:
nbt-0.6 failed during the building phase. The exception was:
ExitFailure 1