Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: yesod-platform (user goal)
rejecting: yesod-platform-1.2.13.3, yesod-platform-1.2.13.2,
yesod-platform-1.2.13.1, yesod-platform-1.2.13, yesod-platform-1.2.12.4,
yesod-platform-1.2.12.3, yesod-platform-1.2.12.2, yesod-platform-1.2.12.1,
yesod-platform-1.2.12, yesod-platform-1.2.11, yesod-platform-1.2.10,
yesod-platform-1.2.9.3, yesod-platform-1.2.9.1 (constraint from user target
requires ==1.2.9)
trying: yesod-platform-1.2.9
trying: transformers-0.5.2.0/installed-0.5... (dependency of
yesod-test-1.2.1.2)
next goal: yesod-persistent (dependency of yesod-platform-1.2.9)
rejecting: yesod-persistent-1.4.1.0, yesod-persistent-1.4.0.6,
yesod-persistent-1.4.0.5, yesod-persistent-1.4.0.4, yesod-persistent-1.4.0.3,
yesod-persistent-1.4.0.2, yesod-persistent-1.4.0.1, yesod-persistent-1.4.0,
yesod-persistent-1.2.3.1, yesod-persistent-1.2.3, yesod-persistent-1.2.2.3
(conflict: yesod-platform => yesod-persistent==1.2.2.2)
rejecting: yesod-persistent-1.2.2.2 (conflict:
transformers==0.5.2.0/installed-0.5..., yesod-persistent =>
transformers>=0.2.2 && <0.4)
rejecting: yesod-persistent-1.2.2.1, yesod-persistent-1.2.2,
yesod-persistent-1.2.1, yesod-persistent-1.2.0, yesod-persistent-1.1.0.1,
yesod-persistent-1.1.0, yesod-persistent-1.0.0.1, yesod-persistent-1.0.0,
yesod-persistent-0.3.1, yesod-persistent-0.2.2, yesod-persistent-0.2.1,
yesod-persistent-0.1.0, yesod-persistent-0.0.0.1, yesod-persistent-0.0.0
(conflict: yesod-platform => yesod-persistent==1.2.2.2)
Dependency tree exhaustively searched.