Resolving dependencies... Downloading binary-strict-0.4.2... Configuring binary-strict-0.4.2... Building binary-strict-0.4.2... Preprocessing library binary-strict-0.4.2... src/Data/Binary/Strict/BitGet.hs:2:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Data/Binary/Strict/Get.hs:2:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Data/Binary/Strict/IncrementalGet.hs:2:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead [1 of 9] Compiling Data.Binary.Strict.Util ( src/Data/Binary/Strict/Util.hs, dist/build/Data/Binary/Strict/Util.o ) [2 of 9] Compiling Data.Binary.Strict.Class ( src/Data/Binary/Strict/Class.hs, dist/build/Data/Binary/Strict/Class.o ) src/Data/Binary/Strict/Class.hs:54:20: Ambiguous occurrence ‘many’ It could refer to either ‘Data.Binary.Strict.Class.many’, defined at src/Data/Binary/Strict/Class.hs:49:3 or ‘Control.Applicative.many’, imported from ‘Control.Applicative’ at src/Data/Binary/Strict/Class.hs:7:28-42 src/Data/Binary/Strict/Class.hs:60:15: Ambiguous occurrence ‘many’ It could refer to either ‘Data.Binary.Strict.Class.many’, defined at src/Data/Binary/Strict/Class.hs:49:3 or ‘Control.Applicative.many’, imported from ‘Control.Applicative’ at src/Data/Binary/Strict/Class.hs:7:28-42 Failed to install binary-strict-0.4.2 cabal: Error: some packages failed to install: binary-strict-0.4.2 failed during the building phase. The exception was: ExitFailure 1