Resolving dependencies... Configuring call-stack-0.1.0... Configuring mtl-2.2.1... Building call-stack-0.1.0... Building mtl-2.2.1... Installed call-stack-0.1.0 Configuring value-supply-0.6... Building value-supply-0.6... Configuring syb-0.6... Installed value-supply-0.6 Building syb-0.6... Configuring HUnit-1.5.0.0... Installed mtl-2.2.1 Building HUnit-1.5.0.0... Installed syb-0.6 Installed HUnit-1.5.0.0 Configuring cflp-2009.1.23.1... Building cflp-2009.1.23.1... Failed to install cflp-2009.1.23.1 Build log ( /home/builder/.cabal/logs/cflp-2009.1.23.1.log ): cabal: Entering directory '/tmp/cabal-tmp-29994/cflp-2009.1.23.1' [1 of 1] Compiling Main ( /tmp/cabal-tmp-29994/cflp-2009.1.23.1/dist/setup/setup.hs, /tmp/cabal-tmp-29994/cflp-2009.1.23.1/dist/setup/Main.o ) Linking /tmp/cabal-tmp-29994/cflp-2009.1.23.1/dist/setup/setup ... Configuring cflp-2009.1.23.1... Building cflp-2009.1.23.1... Preprocessing library cflp-2009.1.23.1... on the commandline: warning: -XOverlappingInstances is deprecated: instead use per-instance pragmas OVERLAPPING/OVERLAPPABLE/OVERLAPS src/CFLP/Strategies/CallTimeChoice.lhs:18:9: warning: -XOverlappingInstances is deprecated: instead use per-instance pragmas OVERLAPPING/OVERLAPPABLE/OVERLAPS src/CFLP/Control/Strategy.lhs:11:9: warning: -XOverlappingInstances is deprecated: instead use per-instance pragmas OVERLAPPING/OVERLAPPABLE/OVERLAPS [ 1 of 19] Compiling CFLP.Control.Monad.Update ( src/CFLP/Control/Monad/Update.lhs, dist/build/CFLP/Control/Monad/Update.o ) src/CFLP/Control/Monad/Update.lhs:117:12: error: • Could not deduce (Applicative (UpdateT s m)) arising from the superclasses of an instance declaration from the context: Monad m bound by the instance declaration at src/CFLP/Control/Monad/Update.lhs:117:12-41 • In the instance declaration for ‘Monad (UpdateT s m)’ src/CFLP/Control/Monad/Update.lhs:125:12: error: • Could not deduce (GHC.Base.Alternative (UpdateT s m)) arising from the superclasses of an instance declaration from the context: MonadPlus m bound by the instance declaration at src/CFLP/Control/Monad/Update.lhs:125:12-49 • In the instance declaration for ‘MonadPlus (UpdateT s m)’ cabal: Leaving directory '/tmp/cabal-tmp-29994/cflp-2009.1.23.1' cabal: Error: some packages failed to install: cflp-2009.1.23.1 failed during the building phase. The exception was: ExitFailure 1