Resolving dependencies...
Configuring stm-2.4.4.1...
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Building stm-2.4.4.1...
Configuring transformers-compat-0.5.1.4...
Installed stm-2.4.4.1
Building transformers-compat-0.5.1.4...
Installed mtl-2.2.1
Installed transformers-compat-0.5.1.4
Configuring transformers-base-0.4.4...
Building transformers-base-0.4.4...
Installed transformers-base-0.4.4
Configuring dunai-0.3.0.0...
Building dunai-0.3.0.0...
Installed dunai-0.3.0.0
Configuring bearriver-0.10.4.1...
Building bearriver-0.10.4.1...
Failed to install bearriver-0.10.4.1
Build log ( /home/builder/.cabal/logs/bearriver-0.10.4.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-19602/bearriver-0.10.4.1'
Configuring bearriver-0.10.4.1...
Building bearriver-0.10.4.1...
Preprocessing library bearriver-0.10.4.1...
[1 of 8] Compiling FRP.Yampa.VectorSpace ( src/FRP/Yampa/VectorSpace.hs, dist/build/FRP/Yampa/VectorSpace.o )
[2 of 8] Compiling FRP.Yampa.Vector3 ( src/FRP/Yampa/Vector3.hs, dist/build/FRP/Yampa/Vector3.o )
[3 of 8] Compiling FRP.Yampa.Vector2 ( src/FRP/Yampa/Vector2.hs, dist/build/FRP/Yampa/Vector2.o )
[4 of 8] Compiling FRP.Yampa.AffineSpace ( src/FRP/Yampa/AffineSpace.hs, dist/build/FRP/Yampa/AffineSpace.o )
[5 of 8] Compiling FRP.Yampa.Point2 ( src/FRP/Yampa/Point2.hs, dist/build/FRP/Yampa/Point2.o )
[6 of 8] Compiling FRP.Yampa.Point3 ( src/FRP/Yampa/Point3.hs, dist/build/FRP/Yampa/Point3.o )
[7 of 8] Compiling FRP.BearRiver    ( src/FRP/BearRiver.hs, dist/build/FRP/BearRiver.o )

src/FRP/BearRiver.hs:26:1: error:
    Failed to load interface for ‘Data.MonadicStreamFunction.ArrowLoop’
    Perhaps you meant
      Data.MonadicStreamFunction.Async (from dunai-0.3.0.0)
      Data.MonadicStreamFunction.Core (from dunai-0.3.0.0)
      Data.MonadicStreamFunction.Parallel (from dunai-0.3.0.0)
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-19602/bearriver-0.10.4.1'
cabal: Error: some packages failed to install:
bearriver-0.10.4.1 failed during the building phase. The exception was:
ExitFailure 1