Resolving dependencies... Configuring numtype-tf-0.1.1... Building numtype-tf-0.1.1... Preprocessing library numtype-tf-0.1.1... [1 of 1] Compiling Numeric.NumType.TF ( Numeric/NumType/TF.lhs, dist/build/Numeric/NumType/TF.o ) In-place registering numtype-tf-0.1.1... Running Haddock for numtype-tf-0.1.1... Running hscolour for numtype-tf-0.1.1... Preprocessing library numtype-tf-0.1.1... Preprocessing library numtype-tf-0.1.1... Haddock coverage: Warning: Numeric.NumType.TF: Instances of type and data families are not yet supported. Instances of the following families will be filtered out: Add, Sub, Mul, DivP, Div Warning: Numeric.NumType.TF: We do not support associated types in instances yet. These instances are affected: Numeric.NumType.TF.NumTypeI Numeric.NumType.TF.Z, Numeric.NumType.TF.NumTypeI (Numeric.NumType.TF.S Numeric.NumType.TF.Z), Numeric.NumType.TF.NumTypeI (Numeric.NumType.TF.S n) => Numeric.NumType.TF.NumTypeI (Numeric.NumType.TF.S (Numeric.NumType.TF.S n)), Numeric.NumType.TF.NumTypeI (Numeric.NumType.TF.S n) => Numeric.NumType.TF.NumTypeI (Numeric.NumType.TF.N (Numeric.NumType.TF.S n)) 54% ( 26 / 48) in 'Numeric.NumType.TF' Warning: Numeric.NumType.TF: could not find link destinations for: Numeric.NumType.TF.NumTypeI Numeric.NumType.TF.Succ Numeric.NumType.TF.Pred Numeric.NumType.TF.Negate Documentation created: dist/doc/html/numtype-tf/index.html Installing library in /srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/numtype-tf-0.1.1 Registering numtype-tf-0.1.1... Installed numtype-tf-0.1.1 Downloading dimensional-tf-0.1... Configuring dimensional-tf-0.1... Building dimensional-tf-0.1... Preprocessing library dimensional-tf-0.1... [1 of 5] Compiling Numeric.Units.Dimensional.TF ( Numeric/Units/Dimensional/TF.lhs, dist/build/Numeric/Units/Dimensional/TF.o ) Numeric/Units/Dimensional/TF.lhs:391:12: Illegal instance declaration for `Functor Dimensionless' (All instance types must be of the form (T a1 ... an) where a1 ... an are *distinct type variables*, and each type variable appears at most once in the instance head. Use -XFlexibleInstances if you want to disable this.) In the instance declaration for `Functor Dimensionless' Numeric/Units/Dimensional/TF.lhs:463:44: Illegal instance declaration for `Show (Quantity d a)' (All instance types must be of the form (T a1 ... an) where a1 ... an are *distinct type variables*, and each type variable appears at most once in the instance head. Use -XFlexibleInstances if you want to disable this.) In the instance declaration for `Show (Quantity d a)' Failed to install dimensional-tf-0.1 cabal: Error: some packages failed to install: dimensional-tf-0.1 failed during the building phase. The exception was: ExitFailure 1