Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: yesod-bin (user goal)
rejecting: yesod-bin-1.5.0.1, yesod-bin-1.4.18.7, yesod-bin-1.4.18.6,
yesod-bin-1.4.18.5, yesod-bin-1.4.18.4, yesod-bin-1.4.18.3,
yesod-bin-1.4.18.2, yesod-bin-1.4.18.1, yesod-bin-1.4.18, yesod-bin-1.4.17.1,
yesod-bin-1.4.17, yesod-bin-1.4.16.1, yesod-bin-1.4.16, yesod-bin-1.4.15,
yesod-bin-1.4.14, yesod-bin-1.4.13.3, yesod-bin-1.4.13.2, yesod-bin-1.4.13.1,
yesod-bin-1.4.13, yesod-bin-1.4.12, yesod-bin-1.4.11, yesod-bin-1.4.10,
yesod-bin-1.4.9.2, yesod-bin-1.4.9.1, yesod-bin-1.4.9, yesod-bin-1.4.8,
yesod-bin-1.4.7.2, yesod-bin-1.4.7.1, yesod-bin-1.4.7, yesod-bin-1.4.6,
yesod-bin-1.4.5.1, yesod-bin-1.4.5, yesod-bin-1.4.4, yesod-bin-1.4.3.11,
yesod-bin-1.4.3.10, yesod-bin-1.4.3.9, yesod-bin-1.4.3.7, yesod-bin-1.4.3.6,
yesod-bin-1.4.3.5, yesod-bin-1.4.3.4, yesod-bin-1.4.3.3, yesod-bin-1.4.3.2,
yesod-bin-1.4.3.1, yesod-bin-1.4.3, yesod-bin-1.4.2, yesod-bin-1.4.1.2,
yesod-bin-1.4.1.1, yesod-bin-1.4.1, yesod-bin-1.4.0.9, yesod-bin-1.4.0.8,
yesod-bin-1.4.0.7, yesod-bin-1.4.0.6, yesod-bin-1.4.0.5, yesod-bin-1.4.0.4,
yesod-bin-1.4.0.3, yesod-bin-1.4.0.2, yesod-bin-1.4.0.1, yesod-bin-1.4.0,
yesod-bin-1.2.13, yesod-bin-1.2.12.8, yesod-bin-1.2.12.7, yesod-bin-1.2.12.6,
yesod-bin-1.2.12.5, yesod-bin-1.2.12.4, yesod-bin-1.2.12.3,
yesod-bin-1.2.12.2, yesod-bin-1.2.12.1, yesod-bin-1.2.12, yesod-bin-1.2.11,
yesod-bin-1.2.10.3, yesod-bin-1.2.10.2, yesod-bin-1.2.10.1, yesod-bin-1.2.10,
yesod-bin-1.2.9.4, yesod-bin-1.2.9.3, yesod-bin-1.2.9.2, yesod-bin-1.2.9.1,
yesod-bin-1.2.9, yesod-bin-1.2.8.1, yesod-bin-1.2.8, yesod-bin-1.2.7.4,
yesod-bin-1.2.7.3, yesod-bin-1.2.7.2, yesod-bin-1.2.7.1 (constraint from user
target requires ==1.2.7)
trying: yesod-bin-1.2.7
trying: base-4.9.0.0/installed-4.9... (dependency of yesod-bin-1.2.7)
trying: filesystem-conduit-1.0.0.2 (dependency of yesod-bin-1.2.7)
next goal: transformers (dependency of yesod-bin-1.2.7)
rejecting: transformers-0.5.2.0/installed-0.5..., transformers-0.5.2.0,
transformers-0.5.1.0, transformers-0.5.0.1, transformers-0.5.0.0,
transformers-0.4.3.0, transformers-0.4.2.0, transformers-0.4.1.0 (conflict:
filesystem-conduit => transformers>=0.2.2 && <0.4)
rejecting: transformers-0.3.0.0, transformers-0.2.2.1 (conflict:
base==4.9.0.0/installed-4.9..., transformers => base>=2 && <4.8 || >=1.0 &&
<2)
rejecting: transformers-0.2.1.0, transformers-0.2.0.0, transformers-0.1.4.0,
transformers-0.1.3.0, transformers-0.1.1.0, transformers-0.1.0.1,
transformers-0.0.1.0, transformers-0.0.0.0, transformers-0.5.0.2,
transformers-0.4.0.0 (conflict: filesystem-conduit => transformers>=0.2.2 &&
<0.4)
rejecting: transformers-0.2.2.0 (conflict: base==4.9.0.0/installed-4.9...,
transformers => base>=2 && <4.6 || >=1.0 && <2)
rejecting: transformers-0.1.0.0 (conflict: filesystem-conduit =>
transformers>=0.2.2 && <0.4)
Dependency tree exhaustively searched.