Resolving dependencies...
cabal: Could not resolve dependencies:
trying: microlens-platform-0.2.0.0 (user goal)
next goal: microlens-th (dependency of microlens-platform-0.2.0.0)
rejecting: microlens-th-0.2.2.0, 0.2.1.3, 0.2.1.2, 0.2.1.1, 0.2.1.0, 0.2.0.0,
0.1.2.0, 0.1.1.0, 0.1.0.0 (conflict: microlens-platform =>
microlens-th==0.3.0.*)
Dependency tree exhaustively searched.