Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: yesod-auth (user goal)
rejecting: yesod-auth-1.4.15, yesod-auth-1.4.14, yesod-auth-1.4.13.5,
yesod-auth-1.4.13.4, yesod-auth-1.4.13.3, yesod-auth-1.4.13.2,
yesod-auth-1.4.13.1, yesod-auth-1.4.13, yesod-auth-1.4.12, yesod-auth-1.4.11,
yesod-auth-1.4.8, yesod-auth-1.4.7, yesod-auth-1.4.6.1, yesod-auth-1.4.6,
yesod-auth-1.4.5.1, yesod-auth-1.4.5, yesod-auth-1.4.4, yesod-auth-1.4.3.1,
yesod-auth-1.4.3, yesod-auth-1.4.2, yesod-auth-1.4.1.3, yesod-auth-1.4.1.2,
yesod-auth-1.4.1.1, yesod-auth-1.4.1, yesod-auth-1.4.0.2, yesod-auth-1.4.0.1,
yesod-auth-1.4.0, yesod-auth-1.3.4.6, yesod-auth-1.3.4.5, yesod-auth-1.3.4.4,
yesod-auth-1.3.4.3, yesod-auth-1.3.4.2, yesod-auth-1.3.4.1, yesod-auth-1.3.4,
yesod-auth-1.3.3, yesod-auth-1.3.2, yesod-auth-1.3.1.1, yesod-auth-1.3.1,
yesod-auth-1.3.0.5, yesod-auth-1.3.0.4, yesod-auth-1.3.0.2,
yesod-auth-1.3.0.1, yesod-auth-1.3.0.0, yesod-auth-1.2.7.1, yesod-auth-1.2.7,
yesod-auth-1.2.6, yesod-auth-1.2.5.3, yesod-auth-1.2.5.2, yesod-auth-1.2.5.1,
yesod-auth-1.2.5.0, yesod-auth-1.2.4.1, yesod-auth-1.2.4, yesod-auth-1.2.3,
yesod-auth-1.2.2.1, yesod-auth-1.2.2, yesod-auth-1.2.1, yesod-auth-1.2.0.2,
yesod-auth-1.2.0.1, yesod-auth-1.2.0, yesod-auth-1.1.7, yesod-auth-1.1.6,
yesod-auth-1.1.5.3, yesod-auth-1.1.5.2, yesod-auth-1.1.5.1, yesod-auth-1.1.5,
yesod-auth-1.1.4.1, yesod-auth-1.1.4, yesod-auth-1.1.3, yesod-auth-1.1.2.2,
yesod-auth-1.1.2.1, yesod-auth-1.1.2, yesod-auth-1.1.1.7, yesod-auth-1.1.1.6,
yesod-auth-1.1.1.5, yesod-auth-1.1.1.4, yesod-auth-1.1.1.3,
yesod-auth-1.1.1.2, yesod-auth-1.1.1.1, yesod-auth-1.1.1, yesod-auth-1.1.0.1,
yesod-auth-1.1.0, yesod-auth-1.0.2.1, yesod-auth-1.0.2, yesod-auth-1.0.1,
yesod-auth-1.0.0, yesod-auth-0.8.1.1, yesod-auth-0.8.1, yesod-auth-0.7.9,
yesod-auth-0.7.8, yesod-auth-0.7.7.2, yesod-auth-0.7.7.1, yesod-auth-0.7.7,
yesod-auth-0.7.6.2, yesod-auth-0.7.6.1, yesod-auth-0.7.6, yesod-auth-0.7.5,
yesod-auth-0.7.4, yesod-auth-0.7.3, yesod-auth-0.7.2, yesod-auth-0.7.1.1
(constraint from user target requires ==0.7.1)
trying: yesod-auth-0.7.1
trying: base-4.9.0.0/installed-4.9... (dependency of yesod-auth-0.7.1)
next goal: aeson-native (dependency of yesod-auth-0.7.1)
rejecting: aeson-native-0.3.3.2, aeson-native-0.3.3.1, aeson-native-0.3.3
(conflict: base==4.9.0.0/installed-4.9..., aeson-native => base>=4 && <4.4)
Dependency tree exhaustively searched.