Resolving dependencies... Configuring mtl-2.2.1... Configuring random-1.1... Building random-1.1... Building mtl-2.2.1... Installed random-1.1 Configuring safe-0.3.10... Building safe-0.3.10... Configuring utf8-string-1.0.1.1... Installed mtl-2.2.1 Downloading tokyocabinet-haskell-0.0.5... Building utf8-string-1.0.1.1... Configuring tokyocabinet-haskell-0.0.5... Installed safe-0.3.10 Building tokyocabinet-haskell-0.0.5... Installed utf8-string-1.0.1.1 Failed to install tokyocabinet-haskell-0.0.5 Build log ( /home/builder/.cabal/logs/tokyocabinet-haskell-0.0.5.log ): cabal: Entering directory '/tmp/cabal-tmp-28757/tokyocabinet-haskell-0.0.5' Configuring tokyocabinet-haskell-0.0.5... Building tokyocabinet-haskell-0.0.5... Preprocessing library tokyocabinet-haskell-0.0.5... Database/TokyoCabinet/Map/C.hs:1:12: warning: -#include and INCLUDE pragmas are deprecated: They no longer have any effect Database/TokyoCabinet/List/C.hs:1:12: warning: -#include and INCLUDE pragmas are deprecated: They no longer have any effect [ 1 of 25] Compiling Database.TokyoCabinet.Storable ( Database/TokyoCabinet/Storable.hs, dist/build/Database/TokyoCabinet/Storable.o ) [ 2 of 25] Compiling Database.TokyoCabinet.List.C ( Database/TokyoCabinet/List/C.hs, dist/build/Database/TokyoCabinet/List/C.o ) [ 3 of 25] Compiling Database.TokyoCabinet.Map.C ( Database/TokyoCabinet/Map/C.hs, dist/build/Database/TokyoCabinet/Map/C.o ) [ 4 of 25] Compiling Database.TokyoCabinet.Sequence ( Database/TokyoCabinet/Sequence.hs, dist/build/Database/TokyoCabinet/Sequence.o ) [ 5 of 25] Compiling Database.TokyoCabinet.TDB.C ( dist/build/Database/TokyoCabinet/TDB/C.hs, dist/build/Database/TokyoCabinet/TDB/C.o ) [ 6 of 25] Compiling Database.TokyoCabinet.TDB.Query.C ( dist/build/Database/TokyoCabinet/TDB/Query/C.hs, dist/build/Database/TokyoCabinet/TDB/Query/C.o ) [ 7 of 25] Compiling Database.TokyoCabinet.List ( Database/TokyoCabinet/List.hs, dist/build/Database/TokyoCabinet/List.o ) [ 8 of 25] Compiling Database.TokyoCabinet.Internal ( Database/TokyoCabinet/Internal.hs, dist/build/Database/TokyoCabinet/Internal.o ) [ 9 of 25] Compiling Database.TokyoCabinet.HDB.C ( dist/build/Database/TokyoCabinet/HDB/C.hs, dist/build/Database/TokyoCabinet/HDB/C.o ) [10 of 25] Compiling Database.TokyoCabinet.FDB.C ( dist/build/Database/TokyoCabinet/FDB/C.hs, dist/build/Database/TokyoCabinet/FDB/C.o ) [11 of 25] Compiling Database.TokyoCabinet.FDB.Key ( Database/TokyoCabinet/FDB/Key.hs, dist/build/Database/TokyoCabinet/FDB/Key.o ) Database/TokyoCabinet/FDB/Key.hs:53:10: error: • Illegal instance declaration for ‘Key String’ (All instance types must be of the form (T a1 ... an) where a1 ... an are *distinct type variables*, and each type variable appears at most once in the instance head. Use FlexibleInstances if you want to disable this.) • In the instance declaration for ‘Key String’ cabal: Leaving directory '/tmp/cabal-tmp-28757/tokyocabinet-haskell-0.0.5' cabal: Error: some packages failed to install: hmark-1.2 depends on tokyocabinet-haskell-0.0.5 which failed to install. tokyocabinet-haskell-0.0.5 failed during the building phase. The exception was: ExitFailure 1