Resolving dependencies...
Configuring binary-bits-0.5...
Configuring data-binary-ieee754-0.4.4...
Building binary-bits-0.5...
Building data-binary-ieee754-0.4.4...
Installed data-binary-ieee754-0.4.4
Installed binary-bits-0.5
Downloading CBOR-0.1.0.0...
Configuring CBOR-0.1.0.0...
Building CBOR-0.1.0.0...
Failed to install CBOR-0.1.0.0
Build log ( /home/builder/.cabal/logs/CBOR-0.1.0.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-19529/CBOR-0.1.0.0'
Configuring CBOR-0.1.0.0...
Building CBOR-0.1.0.0...
Preprocessing library CBOR-0.1.0.0...
[1 of 3] Compiling Data.CBOR.Util   ( src/Data/CBOR/Util.hs, dist/build/Data/CBOR/Util.o )
[2 of 3] Compiling Data.CBOR        ( src/Data/CBOR.hs, dist/build/Data/CBOR.o )
[3 of 3] Compiling Data.Binary.CBOR ( src/Data/Binary/CBOR.hs, dist/build/Data/Binary/CBOR.o )

src/Data/Binary/CBOR.hs:13:1: error:
    Failed to load interface for ‘Data.Binary.IEEE754.HalfFloat’
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-19529/CBOR-0.1.0.0'
cabal: Error: some packages failed to install:
CBOR-0.1.0.0 failed during the building phase. The exception was:
ExitFailure 1