Resolving dependencies...
Downloading rangemin-1.1.1...
Configuring rangemin-1.1.1...
Building rangemin-1.1.1...
Preprocessing library rangemin-1.1.1...

on the commandline: Warning:
    The -fvia-c flag does nothing; it will be removed in a future GHC release

Data/RangeMin/Internal/HandyList.hs:2:16: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead
[1 of 6] Compiling Data.RangeMin.Internal.HandyList ( Data/RangeMin/Internal/HandyList.hs, dist/build/Data/RangeMin/Internal/HandyList.o )

Data/RangeMin/Internal/HandyList.hs:148:50: Warning:
    Pattern bindings containing unlifted types should use an outermost bang pattern:
      I# xx = fromEnum x
    In the expression:
      let I# xx = fromEnum x
      in map toEnum (build (\ c _ -> unckdEFIntFB c xx))
    When checking the transformation rule "efInt"

Data/RangeMin/Internal/HandyList.hs:149:59: Warning:
    Pattern bindings containing unlifted types should use an outermost bang pattern:
      I# xx = fromEnum x
    In the expression:
      let
        I# xx = fromEnum x
        I# yy = fromEnum y
      in map toEnum (build (\ c _ -> unckdEFDIntFB c xx yy))
    When checking the transformation rule "efdInt"

Data/RangeMin/Internal/HandyList.hs:149:79: Warning:
    Pattern bindings containing unlifted types should use an outermost bang pattern:
      I# yy = fromEnum y
    In the expression:
      let
        I# xx = fromEnum x
        I# yy = fromEnum y
      in map toEnum (build (\ c _ -> unckdEFDIntFB c xx yy))
    When checking the transformation rule "efdInt"
[2 of 6] Compiling Data.RangeMin.Internal.HandyNumeric ( Data/RangeMin/Internal/HandyNumeric.hs, dist/build/Data/RangeMin/Internal/HandyNumeric.o )
[3 of 6] Compiling Data.RangeMin.Internal.Combinators ( Data/RangeMin/Internal/Combinators.hs, dist/build/Data/RangeMin/Internal/Combinators.o )
[4 of 6] Compiling Data.RangeMin.Internal.HandyOrdering ( Data/RangeMin/Internal/HandyOrdering.hs, dist/build/Data/RangeMin/Internal/HandyOrdering.o )
[5 of 6] Compiling Data.RangeMin.Internal.HandyArray ( Data/RangeMin/Internal/HandyArray.hs, dist/build/Data/RangeMin/Internal/HandyArray.o )

Data/RangeMin/Internal/HandyArray.hs:127:17:
    Ambiguous occurrence `unsafeFreeze'
    It could refer to either `Data.Array.Base.unsafeFreeze',
                             imported from `Data.Array.Base' at Data/RangeMin/Internal/HandyArray.hs:11:1-38
                          or `Data.Array.MArray.unsafeFreeze',
                             imported from `Data.Array.MArray' at Data/RangeMin/Internal/HandyArray.hs:12:1-40
Failed to install rangemin-1.1.1
cabal: Error: some packages failed to install:
rangemin-1.1.1 failed during the building phase. The exception was:
ExitFailure 1