Resolving dependencies...
Downloading text-0.11.0.4...
Configuring text-0.11.0.4...
Building text-0.11.0.4...
Preprocessing library text-0.11.0.4...
[ 1 of 33] Compiling Data.Text.Encoding.Utf32 ( Data/Text/Encoding/Utf32.hs, dist/build/Data/Text/Encoding/Utf32.o )
[ 2 of 33] Compiling Data.Text.Fusion.Size ( Data/Text/Fusion/Size.hs, dist/build/Data/Text/Fusion/Size.o )
[ 3 of 33] Compiling Data.Text.Fusion.Internal ( Data/Text/Fusion/Internal.hs, dist/build/Data/Text/Fusion/Internal.o )

Data/Text/Fusion/Internal.hs:42:12: Warning:
    Ignoring unusable UNPACK pragma on the second argument of `S'
    In the definition of data constructor `S'
    In the data declaration for `S'

Data/Text/Fusion/Internal.hs:42:12: Warning:
    Ignoring unusable UNPACK pragma on the third argument of `S'
    In the definition of data constructor `S'
    In the data declaration for `S'

Data/Text/Fusion/Internal.hs:42:12: Warning:
    Ignoring unusable UNPACK pragma on the fourth argument of `S'
    In the definition of data constructor `S'
    In the data declaration for `S'

Data/Text/Fusion/Internal.hs:81:15: Warning:
    Ignoring unusable UNPACK pragma on the third argument of `Stream'
    In the definition of data constructor `Stream'
    In the data declaration for `Stream'

Data/Text/Fusion/Internal.hs:99:1: Warning:
    SPECIALISE pragma on INLINE function probably won't fire: `eq'

Data/Text/Fusion/Internal.hs:115:1: Warning:
    SPECIALISE pragma on INLINE function probably won't fire: `cmp'
[ 4 of 33] Compiling Data.Text.Fusion.CaseMapping ( Data/Text/Fusion/CaseMapping.hs, dist/build/Data/Text/Fusion/CaseMapping.o )
[ 5 of 33] Compiling Data.Text.Encoding.Error ( Data/Text/Encoding/Error.hs, dist/build/Data/Text/Encoding/Error.o )
[ 6 of 33] Compiling Data.Text.UnsafeShift ( Data/Text/UnsafeShift.hs, dist/build/Data/Text/UnsafeShift.o )
[ 7 of 33] Compiling Data.Text.Encoding.Utf16 ( Data/Text/Encoding/Utf16.hs, dist/build/Data/Text/Encoding/Utf16.o )

Data/Text/Encoding/Utf16.hs:29:7:
    Illegal bang-pattern (use -XBangPatterns):
    ! x#
Failed to install text-0.11.0.4
cabal: Error: some packages failed to install:
text-0.11.0.4 failed during the building phase. The exception was:
ExitFailure 1