Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: FilePather (user goal)
rejecting: FilePather-0.2.0 (constraint from user target requires ==0.1.8)
trying: FilePather-0.1.8
next goal: data-lens (dependency of FilePather-0.1.8)
rejecting: data-lens-2.11.1, data-lens-2.11.0.1, data-lens-2.11,
data-lens-2.10.7, data-lens-2.10.6, data-lens-2.10.5, data-lens-2.10.4,
data-lens-2.10.3, data-lens-2.10.2, data-lens-2.10.1, data-lens-2.10.0,
data-lens-2.9.0, data-lens-2.0.4.1, data-lens-2.0.4, data-lens-2.0.3,
data-lens-2.0.2, data-lens-2.0.1, data-lens-2.0.0, data-lens-1.8.0.3,
data-lens-1.8.0.2, data-lens-1.8.0.1, data-lens-1.8.0 (conflict: FilePather =>
data-lens>=4)
Dependency tree exhaustively searched.