Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: snap-utils (user goal)
rejecting: snap-utils-0.1.2, 0.1.1 (global constraint requires ==0.1.0)
trying: snap-utils-0.1.0
trying: http-types-0.8.6 (dependency of snap-utils-0.1.0)
trying: blaze-builder-0.4.0.1 (dependency of http-types-0.8.6)
next goal: heist (dependency of snap-utils-0.1.0)
rejecting: heist-0.14.1, 0.14.0.1, 0.14.0 (conflict: snap-utils => heist>=0.13
&& <0.14)
rejecting: heist-0.13.1.2, 0.13.1.1, 0.13.1, 0.13.0.6, 0.13.0.5, 0.13.0.4,
0.13.0.3, 0.13.0.2, 0.13.0.1, 0.13.0 (conflict: blaze-builder==0.4.0.1, heist
=> blaze-builder>=0.2 && <0.4)
rejecting: heist-0.12.0, 0.11.1, 0.11.0.1, 0.11.0, 0.10.2.1, 0.10.2, 0.10.1,
0.10.0, 0.8.2, 0.8.1.1, 0.8.1, 0.8.0, 0.7.0.1, 0.7.0, 0.6.1, 0.6.0.1, 0.6.0,
0.5.3, 0.5.2.1, 0.5.2, 0.5.1.1, 0.5.1.0, 0.5.0.1, 0.5.0.0, 0.4.0.1, 0.4.0.0,
0.3.0.0, 0.2.4, 0.2.3, 0.2.2, 0.2.1, 0.2.0, 0.1.2, 0.1.1 (conflict: snap-utils
=> heist>=0.13 && <0.14)
Backjump limit reached (change with --max-backjumps).