Resolving dependencies... Configuring dataenc-0.12... Configuring gd-3000.7.3... Building dataenc-0.12... Building gd-3000.7.3... Installed dataenc-0.12 Configuring mtl-2.2.1... Building mtl-2.2.1... Configuring old-locale-1.0.0.7... Installed gd-3000.7.3 Building old-locale-1.0.0.7... Configuring text-1.2.2.1... Installed old-locale-1.0.0.7 Building text-1.2.2.1... Configuring hsparklines-0.1.0... Installed mtl-2.2.1 Building hsparklines-0.1.0... Configuring old-time-1.1.0.3... Installed hsparklines-0.1.0 Building old-time-1.1.0.3... Installed old-time-1.1.0.3 Installed text-1.2.2.1 Configuring tagsoup-0.14... Configuring parsec-3.1.11... Building parsec-3.1.11... Building tagsoup-0.14... Installed parsec-3.1.11 Configuring parsedate-3000.0.0... Building parsedate-3000.0.0... Installed parsedate-3000.0.0 Installed tagsoup-0.14 Downloading hackage-sparks-0.3... Configuring hackage-sparks-0.3... Building hackage-sparks-0.3... Failed to install hackage-sparks-0.3 Build log ( /home/builder/.cabal/logs/hackage-sparks-0.3.log ): cabal: Entering directory '/tmp/cabal-tmp-28412/hackage-sparks-0.3' Configuring hackage-sparks-0.3... Building hackage-sparks-0.3... Preprocessing executable 'hackagesparks' for hackage-sparks-0.3... [1 of 1] Compiling Main ( Main.hs, dist/build/hackagesparks/hackagesparks-tmp/Main.o ) Main.hs:21:1: error: Failed to load interface for ‘Text.HTML.Download’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-28412/hackage-sparks-0.3' cabal: Error: some packages failed to install: hackage-sparks-0.3 failed during the building phase. The exception was: ExitFailure 1