Resolving dependencies...
Configuring primitive-0.6.1.0...
Building primitive-0.6.1.0...
Installed primitive-0.6.1.0
Configuring vector-0.11.0.0...
Building vector-0.11.0.0...
Installed vector-0.11.0.0
Configuring histogram-fill-0.3...
Building histogram-fill-0.3...
Failed to install histogram-fill-0.3
Build log ( /home/builder/.cabal/logs/histogram-fill-0.3.log ):
cabal: Entering directory '/tmp/cabal-tmp-3785/histogram-fill-0.3'
Configuring histogram-fill-0.3...
Building histogram-fill-0.3...
Preprocessing library histogram-fill-0.3...

Data/Histogram/Bin.hs:7:14: warning:
    -XOverlappingInstances is deprecated: instead use per-instance pragmas OVERLAPPING/OVERLAPPABLE/OVERLAPS
[1 of 7] Compiling Data.Histogram.Parse ( Data/Histogram/Parse.hs, dist/build/Data/Histogram/Parse.o )
[2 of 7] Compiling Data.Histogram.Bin ( Data/Histogram/Bin.hs, dist/build/Data/Histogram/Bin.o )

Data/Histogram/Bin.hs:317:66: error:
    • Could not deduce (Show f) arising from a use of ‘show’
      from the context: RealFrac f
        bound by the type signature for:
                   scaleBinF :: RealFrac f => f -> f -> BinF f -> BinF f
        at Data/Histogram/Bin.hs:314:1-53
      Possible fix:
        add (Show f) to the context of
          the type signature for:
            scaleBinF :: RealFrac f => f -> f -> BinF f -> BinF f
    • In the first argument of ‘(++)’, namely ‘show b’
      In the second argument of ‘(++)’, namely ‘show b ++ ")"’
      In the second argument of ‘($)’, namely
        ‘"scaleBinF: b must be positive (b = " ++ show b ++ ")"’
cabal: Leaving directory '/tmp/cabal-tmp-3785/histogram-fill-0.3'
cabal: Error: some packages failed to install:
histogram-fill-0.3 failed during the building phase. The exception was:
ExitFailure 1