Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: synthesizer-core (user goal)
rejecting: synthesizer-core-0.7.1, 0.7.0.2, 0.7.0.1, 0.7, 0.6 (global
constraint requires ==0.5.2)
trying: synthesizer-core-0.5.2
next goal: numeric-prelude (dependency of synthesizer-core-0.5.2)
rejecting: numeric-prelude-0.4.2, 0.4.1, 0.4.0.3, 0.4.0.2, 0.4.0.1, 0.4
(conflict: synthesizer-core => numeric-prelude>=0.3 && <0.4)
trying: numeric-prelude-0.3.0.2
trying: parsec-3.1.9 (dependency of numeric-prelude-0.3.0.2)
trying: mtl-2.2.1 (dependency of parsec-3.1.9)
next goal: transformers (dependency of synthesizer-core-0.5.2)
rejecting: transformers-0.3.0.0/installed-16a... (conflict: mtl =>
transformers==0.4.*)
rejecting: transformers-0.4.3.0, 0.4.2.0, 0.4.1.0 (conflict: synthesizer-core
=> transformers>=0.2 && <0.4)
rejecting: transformers-0.3.0.0, 0.2.2.1, 0.2.2.0, 0.2.1.0, 0.2.0.0 (conflict:
mtl => transformers==0.4.*)
rejecting: transformers-0.1.4.0, 0.1.3.0, 0.1.1.0, 0.1.0.1, 0.1.0.0, 0.0.1.0,
0.0.0.0, 0.4.0.0 (conflict: synthesizer-core => transformers>=0.2 && <0.4)
Dependency tree exhaustively searched.