Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: digestive-functors-snap (user goal)
rejecting: digestive-functors-snap-0.6.1.3, 0.6.1.2, 0.6.1.1, 0.6.1.0,
0.6.0.1, 0.6.0.0, 0.5.0.2, 0.5.0.1, 0.5.0.0, 0.4.1.0, 0.4.0.0, 0.3.2.1,
0.3.2.0, 0.3.1.0 (global constraint requires ==0.3.0.0)
trying: digestive-functors-snap-0.3.0.0
trying: base-4.7.0.1/installed-e4b... (dependency of
digestive-functors-snap-0.3.0.0)
next goal: snap-core (dependency of digestive-functors-snap-0.3.0.0)
rejecting: snap-core-0.9.7.0, 0.9.6.4, 0.9.6.3, 0.9.6.2, 0.9.6.1, 0.9.6.0,
0.9.5.0, 0.9.4.1, 0.9.4.0, 0.9.3.1, 0.9.3, 0.9.2.2, 0.9.2.1, 0.9.2, 0.9.0
(conflict: digestive-functors-snap => snap-core>=0.7 && <0.9)
trying: snap-core-0.8.1
next goal: vector (dependency of snap-core-0.8.1)
rejecting: vector-0.10.12.3, 0.10.12.2, 0.10.12.1, 0.10.11.0, 0.10.10.0,
0.10.9.2, 0.10.9.1, 0.10.9.0, 0.10.0.1, 0.10 (conflict: snap-core =>
vector>=0.6 && <0.10)
trying: vector-0.9.1
next goal: primitive (dependency of vector-0.9.1)
rejecting: primitive-0.6, 0.5.4.0, 0.5.3.0, 0.5.2.1, 0.5.1.0, 0.5.0.1, 0.5
(conflict: vector => primitive>=0.4.0.1 && <0.5)
rejecting: primitive-0.4.1, 0.4.0.1 (conflict: base==4.7.0.1/installed-e4b...,
primitive => base>=4 && <4.7)
rejecting: primitive-0.4, 0.3.1, 0.3, 0.2.1, 0.2, 0.1 (conflict: vector =>
primitive>=0.4.0.1 && <0.5)
Dependency tree exhaustively searched.