Resolving dependencies... cabal: Could not resolve dependencies: next goal: synthesizer-dimensional (user goal) rejecting: synthesizer-dimensional-0.7.0.2, 0.7.0.1, 0.7, 0.6.0.1, 0.6, 0.5.1, 0.5, 0.4 (global constraint requires ==0.3) trying: synthesizer-dimensional-0.3 trying: base-4.7.0.1/installed-e4b... (dependency of synthesizer-dimensional-0.3) next goal: sox (dependency of synthesizer-dimensional-0.3) rejecting: sox-0.2.2.5, 0.2.2.4, 0.2.2.3, 0.2.2.2, 0.2.2.1, 0.2.2, 0.2.1.1, 0.2.1, 0.2.0.2, 0.2.0.1, 0.2, 0.1 (conflict: synthesizer-dimensional => sox>=0.0 && <0.1) trying: sox-0.0.1 next goal: unix (dependency of sox-0.0.1) rejecting: unix-2.7.0.1/installed-0d8..., 2.7.1.0, 2.7.0.1, 2.7.0.0, 2.6.0.1, 2.6.0.0, 2.5.1.1, 2.5.1.0, 2.5.0.0, 2.4.2.0, 2.4.1.0, 2.4.0.2, 2.4.0.1, 2.4.0.0 (conflict: sox => unix>=2.3 && <2.4) rejecting: unix-2.3.2.0, 2.3.1.0, 2.3.0.0 (conflict: base==4.7.0.1/installed-e4b..., unix => base<4.3) rejecting: unix-2.2.0.0, 2.0 (conflict: sox => unix>=2.3 && <2.4) Dependency tree exhaustively searched.