Resolving dependencies...
Warning: The following packages are likely to be broken by the reinstalls:
parsec-3.1.13.0
Cabal-2.4.0.1
Continuing even though the plan contains dangerous reinstalls.
Starting     unexceptionalio-0.5.1
Starting     transformers-0.5.6.2
Building     unexceptionalio-0.5.1
Building     transformers-0.5.6.2
Completed    unexceptionalio-0.5.1
Completed    transformers-0.5.6.2
Starting     unexceptionalio-trans-0.5.1
Starting     mtl-2.2.2
Building     unexceptionalio-trans-0.5.1
Building     mtl-2.2.2
Completed    unexceptionalio-trans-0.5.1
Completed    mtl-2.2.2
Downloading  zio-0.1.0.0
Downloaded   zio-0.1.0.0
Starting     zio-0.1.0.0
Building     zio-0.1.0.0
Completed    zio-0.1.0.0