Resolving dependencies...
Configuring xml-1.3.13...
Building xml-1.3.13...
Preprocessing library xml-1.3.13...
[1 of 7] Compiling Text.XML.Light.Types ( Text/XML/Light/Types.hs, dist/build/Text/XML/Light/Types.o )
[2 of 7] Compiling Text.XML.Light.Proc ( Text/XML/Light/Proc.hs, dist/build/Text/XML/Light/Proc.o )
[3 of 7] Compiling Text.XML.Light.Output ( Text/XML/Light/Output.hs, dist/build/Text/XML/Light/Output.o )
[4 of 7] Compiling Text.XML.Light.Lexer ( Text/XML/Light/Lexer.hs, dist/build/Text/XML/Light/Lexer.o )
[5 of 7] Compiling Text.XML.Light.Input ( Text/XML/Light/Input.hs, dist/build/Text/XML/Light/Input.o )
[6 of 7] Compiling Text.XML.Light.Cursor ( Text/XML/Light/Cursor.hs, dist/build/Text/XML/Light/Cursor.o )
[7 of 7] Compiling Text.XML.Light   ( Text/XML/Light.hs, dist/build/Text/XML/Light.o )
In-place registering xml-1.3.13...
Running Haddock for xml-1.3.13...
Running hscolour for xml-1.3.13...
Preprocessing library xml-1.3.13...
Preprocessing library xml-1.3.13...
Haddock coverage:
  91% ( 10 / 11) in 'Text.XML.Light.Types'
 100% ( 21 / 21) in 'Text.XML.Light.Proc'
  65% ( 13 / 20) in 'Text.XML.Light.Output'
  12% (  3 / 26) in 'Text.XML.Light.Lexer'
 100% (  3 /  3) in 'Text.XML.Light.Input'
  90% ( 45 / 50) in 'Text.XML.Light.Cursor'
 100% ( 10 / 10) in 'Text.XML.Light'
Documentation created: dist/doc/html/xml/index.html
Installing library in
/srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/xml-1.3.13
Registering xml-1.3.13...
Installed xml-1.3.13
Downloading xhtml-combinators-0.2...
Configuring xhtml-combinators-0.2...
Building xhtml-combinators-0.2...
Preprocessing library xhtml-combinators-0.2...

src/Text/XHtmlCombinators/Render.hs:15:8:
    Could not find module `Control.Monad.Identity'
    It is a member of the hidden package `mtl-2.1.2'.
    Perhaps you need to add `mtl' to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.
Failed to install xhtml-combinators-0.2
cabal: Error: some packages failed to install:
xhtml-combinators-0.2 failed during the building phase. The exception was:
ExitFailure 1