Resolving dependencies...
Configuring utf8-string-1.0.1.1...
Building utf8-string-1.0.1.1...
Preprocessing library utf8-string-1.0.1.1...
[1 of 5] Compiling Codec.Binary.UTF8.String ( Codec/Binary/UTF8/String.hs, dist/build/Codec/Binary/UTF8/String.o )
[2 of 5] Compiling Codec.Binary.UTF8.Generic ( Codec/Binary/UTF8/Generic.hs, dist/build/Codec/Binary/UTF8/Generic.o )
[3 of 5] Compiling Data.String.UTF8 ( Data/String/UTF8.hs, dist/build/Data/String/UTF8.o )
[4 of 5] Compiling Data.ByteString.Lazy.UTF8 ( Data/ByteString/Lazy/UTF8.hs, dist/build/Data/ByteString/Lazy/UTF8.o )
[5 of 5] Compiling Data.ByteString.UTF8 ( Data/ByteString/UTF8.hs, dist/build/Data/ByteString/UTF8.o )
In-place registering utf8-string-1.0.1.1...
Running Haddock for utf8-string-1.0.1.1...
Running hscolour for utf8-string-1.0.1.1...
Preprocessing library utf8-string-1.0.1.1...
Preprocessing library utf8-string-1.0.1.1...
Haddock coverage:
 100% (  8 /  8) in 'Codec.Binary.UTF8.String'
  94% ( 16 / 17) in 'Codec.Binary.UTF8.Generic'
  Missing documentation for:
    UTF8Bytes (Codec/Binary/UTF8/Generic.hs:48)
  89% ( 24 / 27) in 'Data.String.UTF8'
  Missing documentation for:
    UTF8Bytes (Codec/Binary/UTF8/Generic.hs:48)
    fromRep (Data/String/UTF8.hs:59)
    toRep (Data/String/UTF8.hs:62)
 100% ( 17 / 17) in 'Data.ByteString.Lazy.UTF8'
 100% ( 17 / 17) in 'Data.ByteString.UTF8'
Documentation created: dist/doc/html/utf8-string/index.html,
dist/doc/html/utf8-string/utf8-string.txt
Creating package registration file:
/tmp/pkgConf-utf8-string-1.0.1278722862233665123.1
Installing library in
/home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.2/utf8-string-1.0.1.1-HWC8Qen5AZrArJxFQJuE72
Registering utf8-string-1.0.1.1...
Installed utf8-string-1.0.1.1
Downloading CHXHtml-0.1.2...
Configuring CHXHtml-0.1.2...
Building CHXHtml-0.1.2...
Preprocessing library CHXHtml-0.1.2...

Text/CHXHtml/XHtml1_strict.hs:53:8:
    Could not find module ‘Text.Regex.Posix’
    Use -v to see a list of the files searched for.
Failed to install CHXHtml-0.1.2
cabal: Error: some packages failed to install:
CHXHtml-0.1.2 failed during the building phase. The exception was:
ExitFailure 1