Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: keystore (user goal)
rejecting: keystore-0.7.0.1, 0.7.0.0, 0.6.3.1, 0.6.3.0, 0.6.2.0, 0.6.1.1,
0.6.1.0, 0.6.0.0, 0.5.1.1, 0.5.1.0, 0.5.0.4, 0.5.0.3, 0.5.0.2, 0.5.0.1,
0.4.0.0, 0.3.0.1, 0.3.0.0, 0.2.0.1 (global constraint requires ==0.2.0.0)
trying: keystore-0.2.0.0
trying: QuickCheck-2.8.1 (dependency of keystore-0.2.0.0)
trying: aeson-0.10.0.0 (dependency of keystore-0.2.0.0)
next goal: api-tools (dependency of keystore-0.2.0.0)
rejecting: api-tools-0.5.2, 0.5.1, 0.5, 0.4.0.1, 0.4 (conflict:
QuickCheck==2.8.1, api-tools => QuickCheck>=2.5.1 && <2.8)
rejecting: api-tools-0.3, 0.2 (conflict: aeson==0.10.0.0, api-tools =>
aeson>=0.6.2 && <0.7)
Backjump limit reached (change with --max-backjumps).