Resolving dependencies...
Configuring byteable-0.1.1...
Configuring bytedump-1.0...
Building byteable-0.1.1...
Building bytedump-1.0...
Installed byteable-0.1.1
Configuring mtl-2.2.1...
Configuring foundation-0.0.2...
Installed bytedump-1.0
Building mtl-2.2.1...
Building foundation-0.0.2...
Configuring random-1.1...
Installed mtl-2.2.1
Building random-1.1...
Configuring primitive-0.6.1.0...
Installed random-1.1
Building primitive-0.6.1.0...
Configuring text-1.2.2.1...
Installed primitive-0.6.1.0
Building text-1.2.2.1...
Configuring zlib-0.6.1.2...
Installed text-1.2.2.1
Building zlib-0.6.1.2...
Installed foundation-0.0.2
Configuring vector-0.11.0.0...
Building vector-0.11.0.0...
Configuring hashable-1.2.4.0...
Installed zlib-0.6.1.2
Building hashable-1.2.4.0...
Installed hashable-1.2.4.0
Configuring parsec-3.1.11...
Building parsec-3.1.11...
Configuring memory-0.14...
Installed parsec-3.1.11
Building memory-0.14...
Configuring zlib-bindings-0.1.1.5...
Installed memory-0.14
Building zlib-bindings-0.1.1.5...
Installed zlib-bindings-0.1.1.5
Configuring cryptonite-0.21...
Building cryptonite-0.21...
Installed vector-0.11.0.0
Configuring scientific-0.3.4.9...
Building scientific-0.3.4.9...
Installed scientific-0.3.4.9
Configuring attoparsec-0.13.1.0...
Building attoparsec-0.13.1.0...
Installed attoparsec-0.13.1.0
Installed cryptonite-0.21
Configuring cryptohash-0.11.9...
Building cryptohash-0.11.9...
Installed cryptohash-0.11.9
Downloading hit-0.2.2...
Configuring hit-0.2.2...
Building hit-0.2.2...
Failed to install hit-0.2.2
Build log ( /home/builder/.cabal/logs/hit-0.2.2.log ):
cabal: Entering directory '/tmp/cabal-tmp-26354/hit-0.2.2'
Configuring hit-0.2.2...
Building hit-0.2.2...
Preprocessing library hit-0.2.2...
[ 1 of 13] Compiling Data.Git.Revision ( Data/Git/Revision.hs, dist/build/Data/Git/Revision.o )

Data/Git/Revision.hs:27:1: error:
    • Non type-variable argument
        in the constraint: Stream s Data.Functor.Identity.Identity Char
      (Use FlexibleContexts to permit this)
    • When checking the inferred type
        revFromString :: forall s.
                         Stream s Data.Functor.Identity.Identity Char =>
                         s -> Revision
cabal: Leaving directory '/tmp/cabal-tmp-26354/hit-0.2.2'
cabal: Error: some packages failed to install:
hit-0.2.2 failed during the building phase. The exception was:
ExitFailure 1