Resolving dependencies...
Configuring stm-2.4.2...
Building stm-2.4.2...
Preprocessing library stm-2.4.2...
[ 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-2.4.2...
Running Haddock for stm-2.4.2...
Running hscolour for stm-2.4.2...
Preprocessing library stm-2.4.2...
Preprocessing library stm-2.4.2...
Haddock coverage:
   0% (  0 / 11) in 'Control.Sequential.STM'
 100% ( 12 / 12) in 'Control.Concurrent.STM.TBQueue'
 100% ( 12 / 12) in 'Control.Concurrent.STM.TQueue'
 100% ( 18 / 18) in 'Control.Concurrent.STM.TChan'
 100% ( 15 / 15) in 'Control.Concurrent.STM.TMVar'
 100% ( 12 / 12) 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
Installing library in
/srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/stm-2.4.2
Registering stm-2.4.2...
Installed stm-2.4.2
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 )
[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