Resolving dependencies...
Configuring numtype-tf-0.1.2...
Building numtype-tf-0.1.2...
Preprocessing library numtype-tf-0.1.2...
[1 of 1] Compiling Numeric.NumType.TF ( Numeric/NumType/TF.lhs, dist/build/Numeric/NumType/TF.o )
In-place registering numtype-tf-0.1.2...
Running Haddock for numtype-tf-0.1.2...
Running hscolour for numtype-tf-0.1.2...
Preprocessing library numtype-tf-0.1.2...
Preprocessing library numtype-tf-0.1.2...
Haddock coverage:
  54% ( 26 / 48) in 'Numeric.NumType.TF'
Warning: Numeric.NumType.TF: could not find link destinations for:
    Numeric.NumType.TF.NumTypeI Numeric.NumType.TF.Negate Numeric.NumType.TF.Pred Numeric.NumType.TF.Succ
Documentation created: dist/doc/html/numtype-tf/index.html,
dist/doc/html/numtype-tf/numtype-tf.txt
Creating package registration file: /tmp/pkgConf-numtype-tf-0.16930.2
Installing library in
/home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.8.3/numtype-tf-0.1.2
Registering numtype-tf-0.1.2...
Installed numtype-tf-0.1.2
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 FlexibleInstances 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 FlexibleInstances 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