Configuring cereal-0.5.1.0... Building cereal-0.5.1.0... Preprocessing library cereal-0.5.1.0... [1 of 4] Compiling Data.Serialize.Put ( src/Data/Serialize/Put.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Data/Serialize/Put.o ) [2 of 4] Compiling Data.Serialize.Get ( src/Data/Serialize/Get.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Data/Serialize/Get.o ) [3 of 4] Compiling Data.Serialize.IEEE754 ( src/Data/Serialize/IEEE754.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Data/Serialize/IEEE754.o ) [4 of 4] Compiling Data.Serialize ( src/Data/Serialize.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Data/Serialize.o ) In-place registering cereal-0.5.1.0... Installing library in /home/joey/.stack/snapshots/x86_64-linux/lts-5.5/7.10.3/lib/x86_64-linux-ghc-7.10.3/cereal-0.5.1.0-843xOxvPj94HAJ9SD4EJuq Registering cereal-0.5.1.0...