Resolving dependencies... Configuring pappy-0.1... Building pappy-0.1... Failed to install pappy-0.1 Build log ( /home/builder/.cabal/logs/pappy-0.1.log ): cabal: Entering directory '/tmp/cabal-tmp-798/pappy-0.1' Configuring pappy-0.1... Building pappy-0.1... Preprocessing executable 'pappy' for pappy-0.1... [1 of 1] Compiling Main ( src/Main.hs, dist/build/pappy/pappy-tmp/Main.o ) src/Main.hs:6:1: error: Failed to load interface for ‘Pappy’ Use -v to see a list of the files searched for. src/Main.hs:7:1: error: Failed to load interface for ‘ReadGrammar’ Use -v to see a list of the files searched for. src/Main.hs:8:1: error: Failed to load interface for ‘ReduceGrammar’ Use -v to see a list of the files searched for. src/Main.hs:9:1: error: Failed to load interface for ‘SimplifyGrammar’ Use -v to see a list of the files searched for. src/Main.hs:10:1: error: Failed to load interface for ‘MemoAnalysis’ Use -v to see a list of the files searched for. src/Main.hs:11:1: error: Failed to load interface for ‘WriteParser’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-798/pappy-0.1' cabal: Error: some packages failed to install: pappy-0.1 failed during the building phase. The exception was: ExitFailure 1