Resolving dependencies... Configuring gd-3000.7.3... Building gd-3000.7.3... Installed gd-3000.7.3 Downloading scaleimage-0.1... Configuring scaleimage-0.1... Building scaleimage-0.1... Failed to install scaleimage-0.1 Build log ( /home/builder/.cabal/logs/scaleimage-0.1.log ): cabal: Entering directory '/tmp/cabal-tmp-552/scaleimage-0.1' Configuring scaleimage-0.1... Building scaleimage-0.1... Preprocessing executable 'scaleimage' for scaleimage-0.1... [1 of 1] Compiling Main ( Main.hs, dist/build/scaleimage/scaleimage-tmp/Main.o ) Main.hs:27:35: error: Ambiguous occurrence ‘die’ It could refer to either ‘System.Exit.die’, imported from ‘System.Exit’ at Main.hs:15:1-18 or ‘Main.die’, defined at Main.hs:52:1 Main.hs:29:15: error: Ambiguous occurrence ‘die’ It could refer to either ‘System.Exit.die’, imported from ‘System.Exit’ at Main.hs:15:1-18 or ‘Main.die’, defined at Main.hs:52:1 Main.hs:36:20: error: Ambiguous occurrence ‘die’ It could refer to either ‘System.Exit.die’, imported from ‘System.Exit’ at Main.hs:15:1-18 or ‘Main.die’, defined at Main.hs:52:1 Main.hs:43:20: error: Ambiguous occurrence ‘die’ It could refer to either ‘System.Exit.die’, imported from ‘System.Exit’ at Main.hs:15:1-18 or ‘Main.die’, defined at Main.hs:52:1 cabal: Leaving directory '/tmp/cabal-tmp-552/scaleimage-0.1' cabal: Error: some packages failed to install: scaleimage-0.1 failed during the building phase. The exception was: ExitFailure 1