Resolving dependencies...
cabal: Could not resolve dependencies:
trying: yesod-comments-0.9.2 (user goal)
next goal: yesod-markdown (dependency of yesod-comments-0.9.2)
rejecting: yesod-markdown-0.10.0 (conflict: yesod-comments =>
yesod-markdown>=0.8 && <0.10)
trying: yesod-markdown-0.9.4
trying: texmath-0.8.3 (dependency of yesod-markdown-0.9.4)
trying: syb-0.6 (dependency of texmath-0.8.3)
next goal: pandoc (dependency of yesod-markdown-0.9.4)
rejecting: pandoc-1.15.0.6, 1.15.0.5, 1.15.0.4, 1.15.0.3, 1.15.0.2, 1.14.1
(conflict: yesod-markdown => pandoc>=1.10 && <1.14)
rejecting: pandoc-1.13.2.1, 1.13.2, 1.13.1, 1.13.0.1, 1.13, 1.12.4.2, 1.12.4,
1.12.3.3, 1.12.3.2, 1.12.3.1, 1.12.3, 1.12.2.1, 1.12.2, 1.12.1, 1.12.0.2,
1.12.0.1, 1.12, 1.11.1, 1.11 (conflict: syb==0.6, pandoc => syb>=0.1 && <0.5)
rejecting: pandoc-1.10.1, 1.10.0.5, 1.10.0.4, 1.10.0.3, 1.10.0.2, 1.10.0.1,
1.10 (conflict: syb==0.6, pandoc => syb>=0.1 && <0.4)
rejecting: pandoc-1.9.4.5, 1.9.4.4, 1.9.4.3, 1.9.4.2, 1.9.4.1, 1.9.4, 1.9.3,
1.9.2, 1.9.1.2, 1.9.1.1, 1.9.1, 1.9.0.5, 1.9.0.4, 1.9.0.3, 1.9.0.2, 1.9,
1.8.2.1, 1.8.2, 1.8.1.2, 1.8.1.1, 1.8.1, 1.8.0.3, 1.8.0.2, 1.8.0.1, 1.8,
1.6.0.1, 1.6, 1.5.1.1, 1.5.1, 1.5.0.1, 1.5, 1.4, 1.3, 1.2.1, 1.2, 1.1,
1.0.0.1, 1.0, 0.46, 0.45, 0.44, 0.43, 0.42, 0.41, 0.4, 1.15.0.1, 1.15,
1.14.0.4, 1.14.0.3, 1.14.0.2, 1.14.0.1, 1.14 (conflict: yesod-markdown =>
pandoc>=1.10 && <1.14)
Backjump limit reached (change with --max-backjumps).