Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: tuple-hlist (user goal)
rejecting: tuple-hlist-0.2.0.1, 0.2.0.0, 0.1.0.8 (global constraint requires
==0.1.0.7)
trying: tuple-hlist-0.1.0.7
trying: base-4.8.1.0/installed-4f7... (dependency of tuple-hlist-0.1.0.7)
next goal: HList (dependency of tuple-hlist-0.1.0.7)
rejecting: HList-0.4.1.0, 0.4.0.0 (conflict: tuple-hlist => HList>=0.2 &&
<0.4)
rejecting: HList-0.3.4.1 (conflict: base==4.8.1.0/installed-4f7..., HList =>
base>=4.6 && <4.8)
rejecting: HList-0.3.4.0 (conflict: base==4.8.1.0/installed-4f7..., HList =>
base==4.6.*)
rejecting: HList-0.3.2.0, 0.3.1.0 (conflict: base==4.8.1.0/installed-4f7...,
HList => base>=4.6 && <4.8)
rejecting: HList-0.3.0.1, 0.3.0 (conflict: base==4.8.1.0/installed-4f7...,
HList => base==4.6.*)
rejecting: HList-0.2.3, 0.2.2, 0.2.1 (conflict:
base==4.8.1.0/installed-4f7..., HList => base>=3 && <4.7)
rejecting: HList-0.2 (conflict: base==4.8.1.0/installed-4f7..., HList =>
base>=3 && <4.3)
rejecting: HList-0.1.1, 0.1 (conflict: tuple-hlist => HList>=0.2 && <0.4)
Dependency tree exhaustively searched.