Resolving dependencies... Configuring HARM-0.1.1... Building HARM-0.1.1... Failed to install HARM-0.1.1 Build log ( /home/builder/.cabal/logs/HARM-0.1.1.log ): cabal: Entering directory '/tmp/cabal-tmp-29634/HARM-0.1.1' Configuring HARM-0.1.1... Building HARM-0.1.1... Preprocessing executable 'runarm' for HARM-0.1.1... [1 of 1] Compiling Main ( runarm.hs, dist/build/runarm/runarm-tmp/Main.o ) runarm.hs:2:1: error: Failed to load interface for ‘Arm’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-29634/HARM-0.1.1' cabal: Error: some packages failed to install: HARM-0.1.1 failed during the building phase. The exception was: ExitFailure 1