Resolving dependencies...
cabal: Could not resolve dependencies:
trying: yesod-vend-0.3.0.0 (user goal)
trying: yesod-core-1.4.25 (dependency of yesod-form-1.4.8)
next goal: yesod (dependency of yesod-vend-0.3.0.0)
rejecting: yesod-1.4.3, yesod-1.4.2.1, yesod-1.4.2, yesod-1.4.1.5,
yesod-1.4.1.4, yesod-1.4.1.3, yesod-1.4.1.2, yesod-1.4.1.1, yesod-1.4.1,
yesod-1.4.0, yesod-1.2.6.1, yesod-1.2.6, yesod-1.2.5.3, yesod-1.2.5.2,
yesod-1.2.5.1, yesod-1.2.5, yesod-1.2.4, yesod-1.2.3, yesod-1.2.2.1,
yesod-1.2.2, yesod-1.2.1.1, yesod-1.2.1, yesod-1.2.0.1, yesod-1.2.0 (conflict:
yesod-vend => yesod==1.1.*)
rejecting: yesod-1.1.9.4, yesod-1.1.9.3, yesod-1.1.9.2, yesod-1.1.9.1,
yesod-1.1.9, yesod-1.1.8.2, yesod-1.1.8.1, yesod-1.1.8, yesod-1.1.7.2,
yesod-1.1.7.1, yesod-1.1.7, yesod-1.1.6, yesod-1.1.5, yesod-1.1.4.1,
yesod-1.1.4 (conflict: yesod-core==1.4.25, yesod => yesod-core>=1.1.5 && <1.2)
rejecting: yesod-1.1.3.1, yesod-1.1.3, yesod-1.1.2, yesod-1.1.1.2,
yesod-1.1.1, yesod-1.1.0.3, yesod-1.1.0.2, yesod-1.1.0.1, yesod-1.1.0
(conflict: yesod-core==1.4.25, yesod => yesod-core>=1.1 && <1.2)
rejecting: yesod-1.0.1.6, yesod-1.0.1.5, yesod-1.0.1.4, yesod-1.0.1.3,
yesod-1.0.1.2, yesod-1.0.1.1, yesod-1.0.1, yesod-1.0.0.2, yesod-1.0.0.1,
yesod-1.0.0, yesod-0.10.2, yesod-0.10.1.4, yesod-0.10.1.3, yesod-0.10.1.2,
yesod-0.10.1.1, yesod-0.10.1, yesod-0.9.4.1, yesod-0.9.4, yesod-0.9.3.4,
yesod-0.9.3.3, yesod-0.9.3.2, yesod-0.9.3.1, yesod-0.9.3, yesod-0.9.2.2,
yesod-0.9.2.1, yesod-0.9.2, yesod-0.9.1.1, yesod-0.9.1, yesod-0.8.2.1,
yesod-0.8.2, yesod-0.8.1, yesod-0.8.0, yesod-0.7.3, yesod-0.7.2, yesod-0.7.1,
yesod-0.7.0, yesod-0.6.7, yesod-0.6.6, yesod-0.6.5, yesod-0.6.4, yesod-0.6.3,
yesod-0.6.2, yesod-0.6.1.2, yesod-0.6.1.1, yesod-0.6.1, yesod-0.6.0.2,
yesod-0.6.0.1, yesod-0.6.0, yesod-0.5.4.2, yesod-0.5.4.1, yesod-0.5.4,
yesod-0.5.3, yesod-0.5.2, yesod-0.5.1, yesod-0.5.0.3, yesod-0.5.0.2,
yesod-0.5.0.1, yesod-0.5.0, yesod-0.4.1, yesod-0.4.0.3, yesod-0.4.0.2,
yesod-0.4.0.1, yesod-0.4.0, yesod-0.3.1.1, yesod-0.3.1, yesod-0.3.0,
yesod-0.2.0, yesod-0.0.0.2, yesod-0.0.0.1, yesod-0.0.0 (conflict: yesod-vend
=> yesod==1.1.*)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).