Resolving dependencies... Configuring stm-2.4.4... Building stm-2.4.4... Preprocessing library stm-2.4.4... [ 1 of 10] Compiling Control.Sequential.STM ( Control/Sequential/STM.hs, dist/build/Control/Sequential/STM.o ) [ 2 of 10] Compiling Control.Concurrent.STM.TBQueue ( Control/Concurrent/STM/TBQueue.hs, dist/build/Control/Concurrent/STM/TBQueue.o ) [ 3 of 10] Compiling Control.Concurrent.STM.TQueue ( Control/Concurrent/STM/TQueue.hs, dist/build/Control/Concurrent/STM/TQueue.o ) [ 4 of 10] Compiling Control.Concurrent.STM.TChan ( Control/Concurrent/STM/TChan.hs, dist/build/Control/Concurrent/STM/TChan.o ) [ 5 of 10] Compiling Control.Concurrent.STM.TMVar ( Control/Concurrent/STM/TMVar.hs, dist/build/Control/Concurrent/STM/TMVar.o ) [ 6 of 10] Compiling Control.Concurrent.STM.TVar ( Control/Concurrent/STM/TVar.hs, dist/build/Control/Concurrent/STM/TVar.o ) [ 7 of 10] Compiling Control.Concurrent.STM.TArray ( Control/Concurrent/STM/TArray.hs, dist/build/Control/Concurrent/STM/TArray.o ) [ 8 of 10] Compiling Control.Monad.STM ( Control/Monad/STM.hs, dist/build/Control/Monad/STM.o ) [ 9 of 10] Compiling Control.Concurrent.STM ( Control/Concurrent/STM.hs, dist/build/Control/Concurrent/STM.o ) [10 of 10] Compiling Control.Concurrent.STM.TSem ( Control/Concurrent/STM/TSem.hs, dist/build/Control/Concurrent/STM/TSem.o ) In-place registering stm-2.4.4... Running Haddock for stm-2.4.4... Running hscolour for stm-2.4.4... Preprocessing library stm-2.4.4... Preprocessing library stm-2.4.4... Haddock coverage: 0% ( 0 / 11) in 'Control.Sequential.STM' 100% ( 13 / 13) in 'Control.Concurrent.STM.TBQueue' 100% ( 12 / 12) in 'Control.Concurrent.STM.TQueue' 100% ( 18 / 18) in 'Control.Concurrent.STM.TChan' 100% ( 16 / 16) in 'Control.Concurrent.STM.TMVar' 100% ( 13 / 13) in 'Control.Concurrent.STM.TVar' 100% ( 2 / 2) in 'Control.Concurrent.STM.TArray' 90% ( 9 / 10) in 'Control.Monad.STM' 100% ( 8 / 8) in 'Control.Concurrent.STM' 40% ( 2 / 5) in 'Control.Concurrent.STM.TSem' Documentation created: dist/doc/html/stm/index.html, dist/doc/html/stm/stm.txt Creating package registration file: /tmp/pkgConf-stm-2.48574.4 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.8.3/stm-2.4.4 Registering stm-2.4.4... Installed stm-2.4.4 Downloading reactive-bacon-0.1... Configuring reactive-bacon-0.1... Building reactive-bacon-0.1... Preprocessing library reactive-bacon-0.1... [1 of 9] Compiling Reactive.Bacon.Core ( src/Reactive/Bacon/Core.hs, dist/build/Reactive/Bacon/Core.o ) [2 of 9] Compiling Reactive.Bacon.PushStream ( src/Reactive/Bacon/PushStream.hs, dist/build/Reactive/Bacon/PushStream.o ) [3 of 9] Compiling Reactive.Bacon.EventStream ( src/Reactive/Bacon/EventStream.hs, dist/build/Reactive/Bacon/EventStream.o ) [4 of 9] Compiling Reactive.Bacon.Property ( src/Reactive/Bacon/Property.hs, dist/build/Reactive/Bacon/Property.o ) src/Reactive/Bacon/Property.hs:32:10: Warning: No explicit implementation for either ‘negate’ or ‘-’ In the instance declaration for ‘Num (Property a)’ [5 of 9] Compiling Reactive.Bacon.EventStream.Combinators ( src/Reactive/Bacon/EventStream/Combinators.hs, dist/build/Reactive/Bacon/EventStream/Combinators.o ) [6 of 9] Compiling Reactive.Bacon.EventStream.Monadic ( src/Reactive/Bacon/EventStream/Monadic.hs, dist/build/Reactive/Bacon/EventStream/Monadic.o ) src/Reactive/Bacon/EventStream/Monadic.hs:18:18: Ambiguous occurrence ‘modifyTVar’ It could refer to either ‘Reactive.Bacon.EventStream.Monadic.modifyTVar’, defined at src/Reactive/Bacon/EventStream/Monadic.hs:73:1 or ‘Control.Concurrent.STM.modifyTVar’, imported from ‘Control.Concurrent.STM’ at src/Reactive/Bacon/EventStream/Monadic.hs:8:1-29 (and originally defined in ‘Control.Concurrent.STM.TVar’) src/Reactive/Bacon/EventStream/Monadic.hs:24:21: Ambiguous occurrence ‘modifyTVar’ It could refer to either ‘Reactive.Bacon.EventStream.Monadic.modifyTVar’, defined at src/Reactive/Bacon/EventStream/Monadic.hs:73:1 or ‘Control.Concurrent.STM.modifyTVar’, imported from ‘Control.Concurrent.STM’ at src/Reactive/Bacon/EventStream/Monadic.hs:8:1-29 (and originally defined in ‘Control.Concurrent.STM.TVar’) src/Reactive/Bacon/EventStream/Monadic.hs:35:30: Ambiguous occurrence ‘modifyTVar’ It could refer to either ‘Reactive.Bacon.EventStream.Monadic.modifyTVar’, defined at src/Reactive/Bacon/EventStream/Monadic.hs:73:1 or ‘Control.Concurrent.STM.modifyTVar’, imported from ‘Control.Concurrent.STM’ at src/Reactive/Bacon/EventStream/Monadic.hs:8:1-29 (and originally defined in ‘Control.Concurrent.STM.TVar’) Failed to install reactive-bacon-0.1 cabal: Error: some packages failed to install: reactive-bacon-0.1 failed during the building phase. The exception was: ExitFailure 1