Resolving dependencies... Starting base-orphans-0.8.7 Starting simple-affine-space-0.2 Starting splitmix-0.1.0.4 Starting transformers-compat-0.7.2 Starting primitive-0.7.4.0 Building base-orphans-0.8.7 Building splitmix-0.1.0.4 Building simple-affine-space-0.2 Building primitive-0.7.4.0 Building transformers-compat-0.7.2 Completed base-orphans-0.8.7 Completed splitmix-0.1.0.4 Starting random-1.2.1.1 Completed simple-affine-space-0.2 Building random-1.2.1.1 Completed transformers-compat-0.7.2 Starting transformers-base-0.4.6 Building transformers-base-0.4.6 Completed transformers-base-0.4.6 Completed primitive-0.7.4.0 Completed random-1.2.1.1 Starting normaldistribution-1.1.0.3 Starting MonadRandom-0.6 Starting QuickCheck-2.14.2 Building normaldistribution-1.1.0.3 Building MonadRandom-0.6 Building QuickCheck-2.14.2 Completed normaldistribution-1.1.0.3 Completed MonadRandom-0.6 Starting dunai-0.10.0 Building dunai-0.10.0 Failed to install dunai-0.10.0 Build log ( /home/builder/.cabal/logs/ghc-9.2.4/dunai-0.10.0-3B1IpxsiPPZBx2YAugqLh7.log ): cabal: Entering directory '/tmp/cabal-tmp-1502957/dunai-0.10.0' Configuring dunai-0.10.0... Preprocessing library for dunai-0.10.0.. Building library for dunai-0.10.0.. [ 1 of 22] Compiling Control.Arrow.Util ( src/Control/Arrow/Util.hs, dist/build/Control/Arrow/Util.o, dist/build/Control/Arrow/Util.dyn_o ) [ 2 of 22] Compiling Data.MonadicStreamFunction.InternalCore ( src/Data/MonadicStreamFunction/InternalCore.hs, dist/build/Data/MonadicStreamFunction/InternalCore.o, dist/build/Data/MonadicStreamFunction/InternalCore.dyn_o ) [ 3 of 22] Compiling Data.MonadicStreamFunction.Core ( src/Data/MonadicStreamFunction/Core.hs, dist/build/Data/MonadicStreamFunction/Core.o, dist/build/Data/MonadicStreamFunction/Core.dyn_o ) [ 4 of 22] Compiling Data.MonadicStreamFunction.Instances.VectorSpace ( src/Data/MonadicStreamFunction/Instances/VectorSpace.hs, dist/build/Data/MonadicStreamFunction/Instances/VectorSpace.o, dist/build/Data/MonadicStreamFunction/Instances/VectorSpace.dyn_o ) src/Data/MonadicStreamFunction/Instances/VectorSpace.hs:46:10: error: " Non type-variable argument in the constraint: Floating (MSF m a s) (Use FlexibleContexts to permit this) " In the instance declaration for VectorSpace (MSF m a v) (MSF m a s) | 46 | instance (Monad m, Eq s, Num s, VectorSpace v s, Floating (MSF m a s)) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^... cabal: Leaving directory '/tmp/cabal-tmp-1502957/dunai-0.10.0' Completed QuickCheck-2.14.2 Error: cabal: Some packages failed to install: dunai-0.10.0-3B1IpxsiPPZBx2YAugqLh7 failed during the building phase. The exception was: ExitFailure 1 dunai-test-0.10.0-F0CvMDj8CYBFnso4XEGrkE depends on dunai-test-0.10.0 which failed to install.