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 (global constraint
requires ==0.6.2)
trying: yesod-0.6.2
trying: base-4.8.1.0/installed-4f7... (dependency of yesod-0.6.2)
next goal: containers (dependency of yesod-0.6.2)
rejecting: containers-0.5.6.2/installed-2de..., 0.5.6.3, 0.5.6.2, 0.5.6.1,
0.5.6.0, 0.5.5.1, 0.5.5.0, 0.5.4.0, 0.5.3.1, 0.5.3.0, 0.5.2.1, 0.5.2.0,
0.5.1.0, 0.5.0.0 (conflict: yesod => containers>=0.2 && <0.5)
trying: containers-0.4.2.1
next goal: deepseq (dependency of containers-0.4.2.1)
rejecting: deepseq-1.4.1.1/installed-8fb..., 1.4.1.2, 1.4.1.1, 1.4.1.0,
1.4.0.0 (conflict: containers => deepseq>=1.2 && <1.4)
rejecting: deepseq-1.3.0.2 (conflict: base==4.8.1.0/installed-4f7..., deepseq
=> base>=4.3 && <4.8)
trying: deepseq-1.3.0.1
next goal: array (dependency of containers-0.4.2.1)
rejecting: array-0.5.1.0/installed-d42..., 0.5.1.0, 0.5.0.0 (conflict: deepseq
=> array>=0.1 && <0.5)
rejecting: array-0.4.0.1 (conflict: base==4.8.1.0/installed-4f7..., array =>
base>=4.2 && <4.7)
rejecting: array-0.4.0.0 (conflict: base==4.8.1.0/installed-4f7..., array =>
base>=4.2 && <4.6)
rejecting: array-0.3.0.3 (conflict: base==4.8.1.0/installed-4f7..., array =>
base>=4.2 && <4.5)
rejecting: array-0.3.0.2, 0.3.0.1 (conflict: base==4.8.1.0/installed-4f7...,
array => base>=4.2 && <4.4)
rejecting: array-0.3.0.0 (conflict: base==4.8.1.0/installed-4f7..., array =>
base>=3 && <4.4)
rejecting: array-0.2.0.0, 0.1.0.0 (conflict: base==4.8.1.0/installed-4f7...,
array => base<4.3)
Dependency tree exhaustively searched.