Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: temporal-music-notation (user goal)
rejecting: temporal-music-notation-0.4.0, 0.2.3, 0.2.2, 0.2.1, 0.2.0, 0.1.6,
0.1.4, 0.1.3 (global constraint requires ==0.1.2)
trying: temporal-music-notation-0.1.2
next goal: type-level-natural-number-decimal (dependency of
temporal-music-notation-0.1.2)
Dependency tree exhaustively searched.