Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: yesod (user goal)
rejecting: yesod-1.4.2, 1.4.1.5, 1.4.1.4, 1.4.1.3, 1.4.1.2, 1.4.1.1, 1.4.1,
1.4.0, 1.2.6.1, 1.2.6, 1.2.5.3, 1.2.5.2, 1.2.5.1, 1.2.5, 1.2.4, 1.2.3,
1.2.2.1, 1.2.2, 1.2.1.1, 1.2.1, 1.2.0.1, 1.2.0, 1.1.9.4, 1.1.9.3, 1.1.9.2,
1.1.9.1, 1.1.9, 1.1.8.2, 1.1.8.1, 1.1.8, 1.1.7.2, 1.1.7.1, 1.1.7, 1.1.6,
1.1.5, 1.1.4.1, 1.1.4, 1.1.3.1, 1.1.3, 1.1.2, 1.1.1.2, 1.1.1, 1.1.0.3,
1.1.0.2, 1.1.0.1, 1.1.0, 1.0.1.6, 1.0.1.5, 1.0.1.4, 1.0.1.3, 1.0.1.2, 1.0.1.1,
1.0.1, 1.0.0.2, 1.0.0.1, 1.0.0, 0.10.2, 0.10.1.4, 0.10.1.3, 0.10.1.2,
0.10.1.1, 0.10.1, 0.9.4.1, 0.9.4, 0.9.3.4, 0.9.3.3, 0.9.3.2, 0.9.3.1, 0.9.3,
0.9.2.2, 0.9.2.1, 0.9.2, 0.9.1.1, 0.9.1, 0.8.2.1, 0.8.2, 0.8.1, 0.8.0, 0.7.3,
0.7.2, 0.7.1, 0.7.0, 0.6.7, 0.6.6, 0.6.5, 0.6.4, 0.6.3, 0.6.2, 0.6.1.2,
0.6.1.1, 0.6.1, 0.6.0.2, 0.6.0.1, 0.6.0, 0.5.4.2, 0.5.4.1, 0.5.4, 0.5.3,
0.5.2, 0.5.1, 0.5.0.3, 0.5.0.2, 0.5.0.1, 0.5.0, 0.4.1, 0.4.0.3, 0.4.0.2,
0.4.0.1 (global constraint requires ==0.4.0)
trying: yesod-0.4.0
trying: base-4.8.1.0/installed-4f7... (dependency of yesod-0.4.0)
trying: parsec-3.1.9 (dependency of yesod-0.4.0)
next goal: email-validate (dependency of yesod-0.4.0)
rejecting: email-validate-2.1.3, 2.1.2, 2.0.1, 2.0.0, 2.1.1, 2.1.0, 1.0.0,
0.3.2, 0.3.1 (conflict: yesod => email-validate>=0.2.5 && <0.3)
rejecting: email-validate-0.2.8 (conflict: parsec==3.1.9, email-validate =>
parsec<3.1.6)
rejecting: email-validate-0.2.7 (conflict: base==4.8.1.0/installed-4f7...,
email-validate => base>=2 && <4.5)
rejecting: email-validate-0.2.6 (conflict: base==4.8.1.0/installed-4f7...,
email-validate => base>=2 && <4.4)
rejecting: email-validate-0.2.5 (conflict: base==4.8.1.0/installed-4f7...,
email-validate => base>=2 && <=4.2)
rejecting: email-validate-0.2.4, 0.2.3, 0.2.1, 0.2, 0.1 (conflict: yesod =>
email-validate>=0.2.5 && <0.3)
Dependency tree exhaustively searched.