Resolving dependencies...
Downloading ixmonad-0.57...
Configuring ixmonad-0.57...
Building ixmonad-0.57...
Preprocessing library ixmonad-0.57...
[ 1 of 19] Compiling Control.Effect.Helpers.List ( src/Control/Effect/Helpers/List.hs, dist/build/Control/Effect/Helpers/List.o )
[ 2 of 19] Compiling Control.Effect.Cond ( src/Control/Effect/Cond.hs, dist/build/Control/Effect/Cond.o )

src/Control/Effect/Cond.hs:11:25:
    GHC internal error: `k' is not in scope during type checking, but it passed the renamer
    tcl_env of environment: [(rn7,
                              AThing forall (k :: BOX). (k -> * -> *) -> Constraint),
                             (rn8,
                              AThing forall (k :: BOX). (k -> * -> *) -> k -> k -> Constraint),
                             (rn9, AThing forall (k :: BOX). (k -> * -> *) -> k -> k -> k)]
    In the kind `k'
    In the class declaration for `Cond'
Failed to install ixmonad-0.57
cabal: Error: some packages failed to install:
ixmonad-0.57 failed during the building phase. The exception was:
ExitFailure 1