Resolving dependencies... Configuring mtl-2.2.1... Configuring old-locale-1.0.0.7... Building mtl-2.2.1... Building old-locale-1.0.0.7... Installed old-locale-1.0.0.7 Configuring random-1.1... Building random-1.1... Configuring primitive-0.6.1.0... Installed mtl-2.2.1 Building primitive-0.6.1.0... Configuring old-time-1.1.0.3... Installed random-1.1 Building old-time-1.1.0.3... Installed primitive-0.6.1.0 Configuring tf-random-0.5... Building tf-random-0.5... Configuring vector-0.11.0.0... Installed old-time-1.1.0.3 Building vector-0.11.0.0... Installed tf-random-0.5 Configuring QuickCheck-2.9.2... Building QuickCheck-2.9.2... Installed QuickCheck-2.9.2 Configuring ListZipper-1.2.0.2... Building ListZipper-1.2.0.2... Installed ListZipper-1.2.0.2 Installed vector-0.11.0.0 Configuring mwc-random-0.13.5.0... Building mwc-random-0.13.5.0... Installed mwc-random-0.13.5.0 Configuring Fungi-1.0.2... Building Fungi-1.0.2... Failed to install Fungi-1.0.2 Build log ( /home/builder/.cabal/logs/Fungi-1.0.2.log ): cabal: Entering directory '/tmp/cabal-tmp-31023/Fungi-1.0.2' Warning: Fungi.cabal: A package using 'cabal-version: >=1.2' must use section syntax. See the Cabal user guide for details. Configuring Fungi-1.0.2... Building Fungi-1.0.2... Preprocessing executable 'fungi' for Fungi-1.0.2... [ 1 of 44] Compiling Version ( Version.hs, dist/build/fungi/fungi-tmp/Version.o ) [ 2 of 44] Compiling UnknownInstruction ( UnknownInstruction.hs, dist/build/fungi/fungi-tmp/UnknownInstruction.o ) [ 3 of 44] Compiling Text.PrintOption ( Text/PrintOption.hs, dist/build/fungi/fungi-tmp/Text/PrintOption.o ) [ 4 of 44] Compiling Text.PrettyShow ( Text/PrettyShow.hs, dist/build/fungi/fungi-tmp/Text/PrettyShow.o ) [ 5 of 44] Compiling Text.Help.Debug ( Text/Help/Debug.hs, dist/build/fungi/fungi-tmp/Text/Help/Debug.o ) [ 6 of 44] Compiling System.IO.Buffering ( System/IO/Buffering.hs, dist/build/fungi/fungi-tmp/System/IO/Buffering.o ) [ 7 of 44] Compiling Space.Cell ( Space/Cell.hs, dist/build/fungi/fungi-tmp/Space/Cell.o ) Space/Cell.hs:24:7: error: • Could not deduce (Show i) arising from a use of ‘show’ from the context: Integral i bound by the instance declaration at Space/Cell.hs:19:10-44 Possible fix: add (Show i) to the context of the instance declaration • In the first argument of ‘(.)’, namely ‘show’ In the expression: show . ordCell In the expression: show . ordCell $ cell cabal: Leaving directory '/tmp/cabal-tmp-31023/Fungi-1.0.2' cabal: Error: some packages failed to install: Fungi-1.0.2 failed during the building phase. The exception was: ExitFailure 1