Resolving dependencies...
Starting     microlens-0.4.11.2
Starting     exceptions-0.10.4
Starting     hashable-1.3.0.0
Starting     transformers-compat-0.6.5
Building     microlens-0.4.11.2
Building     exceptions-0.10.4
Building     hashable-1.3.0.0
Building     transformers-compat-0.6.5
Completed    transformers-compat-0.6.5
Starting     unliftio-core-0.2.0.1
Completed    microlens-0.4.11.2
Starting     microlens-mtl-0.2.0.1
Completed    hashable-1.3.0.0
Starting     unordered-containers-0.2.10.0
Building     unliftio-core-0.2.0.1
Building     microlens-mtl-0.2.0.1
Completed    exceptions-0.10.4
Starting     async-2.2.2
Building     unordered-containers-0.2.10.0
Building     async-2.2.2
Completed    unliftio-core-0.2.0.1
Completed    microlens-mtl-0.2.0.1
Starting     little-rio-0.1.1
Completed    async-2.2.2
Starting     unliftio-0.2.12.1
Building     little-rio-0.1.1
Building     unliftio-0.2.12.1
Failed to install little-rio-0.1.1
Build log ( /home/builder/.cabal/logs/ghc-8.6.3/little-rio-0.1.1-3feZuoThRDj5kaJIvrrwWl.log ):
cabal: Entering directory '/tmp/cabal-tmp-9621/little-rio-0.1.1'
Configuring little-rio-0.1.1...
Preprocessing library for little-rio-0.1.1..
Building library for little-rio-0.1.1..
[1 of 2] Compiling LittleRIO        ( src/LittleRIO.hs, dist/build/LittleRIO.o )

src/LittleRIO.hs:44:80: error:
    Not in scope: type constructor or class ‘MonadFail’
   |
44 |   deriving (Functor, Applicative, Monad, MonadReader env, MonadIO, MonadThrow, MonadFail, MonadCatch, MonadMask, MonadUnliftIO)
   |                                                                                ^^^^^^^^^
cabal: Leaving directory '/tmp/cabal-tmp-9621/little-rio-0.1.1'
Completed    unordered-containers-0.2.10.0
Completed    unliftio-0.2.12.1
cabal: Error: some packages failed to install:
little-rio-0.1.1-3feZuoThRDj5kaJIvrrwWl failed during the building phase. The
exception was:
ExitFailure 1
ref-extras-0.1.1-7yFdYRALoyWGgMIOYFREYb depends on ref-extras-0.1.1 which
failed to install.