Resolving dependencies... Configuring AFSM-0.1.1.2... Building AFSM-0.1.1.2... Failed to install AFSM-0.1.1.2 Build log ( /home/builder/.cabal/logs/AFSM-0.1.1.2.log ): cabal: Entering directory '/tmp/cabal-tmp-25654/AFSM-0.1.1.2' Configuring AFSM-0.1.1.2... Building AFSM-0.1.1.2... Preprocessing library AFSM-0.1.1.2... [1 of 1] Compiling Control.AFSM ( src/Control/AFSM.hs, dist/build/Control/AFSM.o ) src/Control/AFSM.hs:49:1: error: Failed to load interface for ‘Control.AFSM.Event’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-25654/AFSM-0.1.1.2' cabal: Error: some packages failed to install: AFSM-0.1.1.2 failed during the building phase. The exception was: ExitFailure 1