Resolving dependencies... Configuring base-prelude-0.1.19... Building base-prelude-0.1.19... Preprocessing library base-prelude-0.1.19... [1 of 1] Compiling BasePrelude ( library/BasePrelude.hs, dist/build/BasePrelude.o ) In-place registering base-prelude-0.1.19... Running Haddock for base-prelude-0.1.19... cabal: Haddock's internal GHC version must match the configured GHC version. The GHC version is 7.10.2 but haddock is using GHC version 7.8.3 Creating package registration file: /tmp/pkgConf-base-prelude-0.1336465782861021530.19 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.2/base-prelude-0.1.19-FxX9573ye3E4LZ0W9LfRS8 Registering base-prelude-0.1.19... Installed base-prelude-0.1.19 Configuring conversion-1.2... Building conversion-1.2... Preprocessing library conversion-1.2... [1 of 1] Compiling Conversion ( library/Conversion.hs, dist/build/Conversion.o ) In-place registering conversion-1.2... Running Haddock for conversion-1.2... cabal: Haddock's internal GHC version must match the configured GHC version. The GHC version is 7.10.2 but haddock is using GHC version 7.8.3 Creating package registration file: /tmp/pkgConf-conversion-113780686242999170.2 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.2/conversion-1.2-KGU2PoEZztVEC3iWuTpHoL Registering conversion-1.2... Installed conversion-1.2