Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: keystore (user goal)
rejecting: keystore-0.8.0.0, keystore-0.7.0.1, keystore-0.7.0.0,
keystore-0.6.3.1, keystore-0.6.3.0, keystore-0.6.2.0, keystore-0.6.1.1,
keystore-0.6.1.0, keystore-0.6.0.0, keystore-0.5.1.1, keystore-0.5.1.0,
keystore-0.5.0.4, keystore-0.5.0.3, keystore-0.5.0.2 (constraint from user
target requires ==0.5.0.1)
trying: keystore-0.5.0.1
trying: aeson-1.0.2.1 (dependency of keystore-0.5.0.1)
next goal: api-tools (dependency of keystore-0.5.0.1)
rejecting: api-tools-0.5.2, api-tools-0.5.1, api-tools-0.5, api-tools-0.4.0.1
(conflict: aeson==1.0.2.1, api-tools => aeson>=0.6.2 && <0.9)
rejecting: api-tools-0.4 (conflict: aeson==1.0.2.1, api-tools => aeson>=0.6.2
&& <0.7)
rejecting: api-tools-0.3, api-tools-0.2 (conflict: keystore => api-tools>=0.4)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).