Resolving dependencies... Configuring text-1.2.2.1... Building text-1.2.2.1... Installed text-1.2.2.1 Configuring xml-1.3.14... Configuring tagsoup-0.14... Building tagsoup-0.14... Building xml-1.3.14... Installed xml-1.3.14 Installed tagsoup-0.14 Configuring hackage2hwn-0.1... Building hackage2hwn-0.1... Failed to install hackage2hwn-0.1 Build log ( /home/builder/.cabal/logs/hackage2hwn-0.1.log ): cabal: Entering directory '/tmp/cabal-tmp-23898/hackage2hwn-0.1' [1 of 1] Compiling Main ( /tmp/cabal-tmp-23898/hackage2hwn-0.1/dist/setup/setup.hs, /tmp/cabal-tmp-23898/hackage2hwn-0.1/dist/setup/Main.o ) Linking /tmp/cabal-tmp-23898/hackage2hwn-0.1/dist/setup/setup ... Configuring hackage2hwn-0.1... Warning: No 'build-type' specified. If you do not need a custom Setup.hs or ./configure script then use 'build-type: Simple'. Building hackage2hwn-0.1... Preprocessing executable 'hackage2hwn' for hackage2hwn-0.1... [1 of 1] Compiling Main ( Main.hs, dist/build/hackage2hwn/hackage2hwn-tmp/Main.o ) Main.hs:17:1: error: Failed to load interface for ‘XML’ Use -v to see a list of the files searched for. Main.hs:22:1: error: Failed to load interface for ‘Data.Html.Download’ Use -v to see a list of the files searched for. Main.hs:23:1: error: Failed to load interface for ‘Data.Html.TagSoup’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-23898/hackage2hwn-0.1' cabal: Error: some packages failed to install: hackage2hwn-0.1 failed during the building phase. The exception was: ExitFailure 1