Resolving dependencies...
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Starting     aeson-flowtyped-0.13.2.1
Building     aeson-flowtyped-0.13.2.1
Failed to install aeson-flowtyped-0.13.2.1
Build log ( /home/builder/.cabal/logs/ghc-8.10.2/aeson-flowtyped-0.13.2.1-A68TiTtuG068nW5l56hNp4.log ):
cabal: Entering directory '/tmp/cabal-tmp-19041/aeson-flowtyped-0.13.2.1'
Configuring aeson-flowtyped-0.13.2.1...
Preprocessing library for aeson-flowtyped-0.13.2.1..
Building library for aeson-flowtyped-0.13.2.1..
[1 of 2] Compiling Data.Aeson.Flow  ( src/Data/Aeson/Flow.hs, dist/build/Data/Aeson/Flow.o, dist/build/Data/Aeson/Flow.dyn_o )

src/Data/Aeson/Flow.hs:392:21: error:
    " Couldn't match type Data.Aeson.KeyMap.KeyMap A.Value
                     with HashMap Text A.Value
      Expected type: HashMap Text A.Value
        Actual type: A.Object
    " In the first argument of H.toList, namely obj
      In the second argument of map, namely (H.toList obj)
      In the first argument of braceBarList, namely
        (map
            (\ (name, fty)
               -> PP.space
                    <> text name PP.<+> PP.colon PP.<+> ppJson fty <> PP.space)
            (H.toList obj))
    |
392 |           (H.toList obj)
    |                     ^^^
cabal: Leaving directory '/tmp/cabal-tmp-19041/aeson-flowtyped-0.13.2.1'
cabal: Error: some packages failed to install:
aeson-flowtyped-0.13.2.1-A68TiTtuG068nW5l56hNp4 failed during the building
phase. The exception was:
ExitFailure 1