Resolving dependencies...
Configuring base16-bytestring-0.1.1.6...
Configuring base64-bytestring-1.0.0.1...
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Configuring bindings-DSL-1.0.23...
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Configuring data-default-class-0.1.2.0...
Installed base64-bytestring-1.0.0.1
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Configuring dlist-0.8.0.2...
Installed bindings-DSL-1.0.23
Building dlist-0.8.0.2...
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Configuring monad-loops-0.4.3...
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Configuring network-2.6.3.1...
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Building mtl-2.2.1...
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Configuring gitlib-3.1.1...
Building gitlib-3.1.1...
Installed gitlib-3.1.1
Configuring gitlib-libgit2-1.4.0...
Building gitlib-libgit2-1.4.0...
Failed to install gitlib-libgit2-1.4.0
Build log ( /home/builder/.cabal/logs/gitlib-libgit2-1.4.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-30922/gitlib-libgit2-1.4.0'
Configuring gitlib-libgit2-1.4.0...
Building gitlib-libgit2-1.4.0...
Preprocessing library gitlib-libgit2-1.4.0...
[1 of 5] Compiling Git.Libgit2.Types ( Git/Libgit2/Types.hs, dist/build/Git/Libgit2/Types.o )

Git/Libgit2/Types.hs:65:21: error:
    Not in scope: type constructor or class ‘MonadUnsafeIO’

Git/Libgit2/Types.hs:68:21: error:
    Not in scope: type constructor or class ‘MonadThrow’
cabal: Leaving directory '/tmp/cabal-tmp-30922/gitlib-libgit2-1.4.0'
cabal: Error: some packages failed to install:
gitlib-libgit2-1.4.0 failed during the building phase. The exception was:
ExitFailure 1