Resolving dependencies... Downloading empty-9... Configuring empty-9... Building empty-9... Preprocessing library empty-9... In-place registering empty-9... Running Haddock for empty-9... Running hscolour for empty-9... Preprocessing library empty-9... Preprocessing library empty-9... haddock: No input file(s). Creating package registration file: /tmp/pkgConf-empty-926663 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.8.3/empty-9 Registering empty-9... Installed empty-9