Resolving dependencies... Configuring mtl-2.2.1... Configuring text-1.2.2.1... Building mtl-2.2.1... Building text-1.2.2.1... Installed mtl-2.2.1 Installed text-1.2.2.1 Configuring parsec-3.1.11... Building parsec-3.1.11... Installed parsec-3.1.11 Downloading Emping-0.4... Configuring Emping-0.4... Building Emping-0.4... Failed to install Emping-0.4 Build log ( /home/builder/.cabal/logs/Emping-0.4.log ): cabal: Entering directory '/tmp/cabal-tmp-12211/Emping-0.4' Configuring Emping-0.4... Building Emping-0.4... Preprocessing executable 'emping' for Emping-0.4... [1 of 7] Compiling CSVParse ( src/CSVParse.hs, dist/build/emping/emping-tmp/CSVParse.o ) src/CSVParse.hs:26:16: warning: [-Wunused-do-bind] A do-notation statement discarded a result of type ‘Char’ Suppress this warning by saying ‘_ <- char '"'’ src/CSVParse.hs:28:16: warning: [-Wunused-do-bind] A do-notation statement discarded a result of type ‘Char’ Suppress this warning by saying ‘_ <- char '"'’ src/CSVParse.hs:40:16: warning: [-Wunused-do-bind] A do-notation statement discarded a result of type ‘[Char]’ Suppress this warning by saying ‘_ <- many (char ' ')’ src/CSVParse.hs:49:15: warning: [-Wunused-do-bind] A do-notation statement discarded a result of type ‘Char’ Suppress this warning by saying ‘_ <- newline’ [2 of 7] Compiling Aux ( src/Aux.hs, dist/build/emping/emping-tmp/Aux.o ) [3 of 7] Compiling CSVTable ( src/CSVTable.hs, dist/build/emping/emping-tmp/CSVTable.o ) src/CSVTable.hs:8:1: error: Failed to load interface for ‘Data.Array’ It is a member of the hidden package ‘array-0.5.1.1’. Perhaps you need to add ‘array’ to the build-depends in your .cabal file. Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-12211/Emping-0.4' cabal: Error: some packages failed to install: Emping-0.4 failed during the building phase. The exception was: ExitFailure 1