Resolving dependencies... Configuring call-stack-0.1.0... Configuring dlist-0.8.0.2... Building dlist-0.8.0.2... Building call-stack-0.1.0... Installed call-stack-0.1.0 Configuring mtl-2.2.1... Building mtl-2.2.1... Configuring network-2.6.3.1... Installed dlist-0.8.0.2 Building network-2.6.3.1... Configuring HUnit-1.5.0.0... Installed mtl-2.2.1 Building HUnit-1.5.0.0... Configuring stm-2.4.4.1... Installed HUnit-1.5.0.0 Building stm-2.4.4.1... Installed stm-2.4.4.1 Installed network-2.6.3.1 Configuring network-bytestring-0.1.1.2... Building network-bytestring-0.1.1.2... Failed to install network-bytestring-0.1.1.2 Build log ( /home/builder/.cabal/logs/network-bytestring-0.1.1.2.log ): cabal: Entering directory '/tmp/cabal-tmp-19429/network-bytestring-0.1.1.2' Configuring network-bytestring-0.1.1.2... Building network-bytestring-0.1.1.2... Preprocessing library network-bytestring-0.1.1.2... [1 of 1] Compiling Network.Socket.ByteString ( dist/build/Network/Socket/ByteString.hs, dist/build/Network/Socket/ByteString.o ) Network/Socket/ByteString.cpphs:51:1: error: Failed to load interface for ‘GHC.IOBase’ Perhaps you meant GHC.Base (from base-4.9.0.0) Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-19429/network-bytestring-0.1.1.2' cabal: Error: some packages failed to install: ipc-0.0.3 depends on network-bytestring-0.1.1.2 which failed to install. network-bytestring-0.1.1.2 failed during the building phase. The exception was: ExitFailure 1