Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: yesod-markdown (user goal)
rejecting: yesod-markdown-0.11.2, yesod-markdown-0.11.1,
yesod-markdown-0.11.0, yesod-markdown-0.10.0, yesod-markdown-0.9.4,
yesod-markdown-0.9.3.1, yesod-markdown-0.9.3, yesod-markdown-0.9.2,
yesod-markdown-0.9.1, yesod-markdown-0.9.0, yesod-markdown-0.8.5,
yesod-markdown-0.8.4, yesod-markdown-0.8.3, yesod-markdown-0.8.2,
yesod-markdown-0.8.1, yesod-markdown-0.8.0, yesod-markdown-0.7.2,
yesod-markdown-0.7.1, yesod-markdown-0.7, yesod-markdown-0.6,
yesod-markdown-0.5.1, yesod-markdown-0.5.0, yesod-markdown-0.4.1,
yesod-markdown-0.4.0, yesod-markdown-0.3.4, yesod-markdown-0.3.3,
yesod-markdown-0.3.2 (constraint from user target requires ==0.3.1)
trying: yesod-markdown-0.3.1
trying: base-4.9.0.0/installed-4.9... (dependency of yesod-markdown-0.3.1)
trying: unix-2.7.2.0/installed-2.7... (dependency of
directory-1.2.6.2/installed-1.2...)
next goal: blaze-html (dependency of yesod-markdown-0.3.1)
rejecting: blaze-html-0.8.1.3, blaze-html-0.8.1.2, blaze-html-0.8.1.1,
blaze-html-0.8.1.0, blaze-html-0.8.0.2, blaze-html-0.8.0.1,
blaze-html-0.8.0.0, blaze-html-0.7.1.0, blaze-html-0.7.0.3,
blaze-html-0.7.0.2, blaze-html-0.7.0.1, blaze-html-0.7.0.0,
blaze-html-0.6.1.3, blaze-html-0.6.1.2, blaze-html-0.6.1.1,
blaze-html-0.6.1.0, blaze-html-0.6.0.0, blaze-html-0.5.1.3,
blaze-html-0.5.1.2, blaze-html-0.5.1.1, blaze-html-0.5.1.0, blaze-html-0.5.0.0
(conflict: yesod-markdown => blaze-html>=0.4 && <0.5)
rejecting: blaze-html-0.4.3.4, blaze-html-0.4.3.3, blaze-html-0.4.3.2
(conflict: unix => bytestring==0.10.8.1/installed-0.1..., blaze-html =>
bytestring>=0.9 && <0.10)
rejecting: blaze-html-0.4.3.1, blaze-html-0.4.3.0, blaze-html-0.4.2.2,
blaze-html-0.4.2.1, blaze-html-0.4.2.0, blaze-html-0.4.1.7, blaze-html-0.4.1.6
(conflict: base==4.9.0.0/installed-4.9..., blaze-html => base>=4 && <4.8)
rejecting: blaze-html-0.4.1.5, blaze-html-0.4.1.4, blaze-html-0.4.1.3,
blaze-html-0.4.1.2, blaze-html-0.4.1.1, blaze-html-0.4.1.0, blaze-html-0.4.0.0
(conflict: base==4.9.0.0/installed-4.9..., blaze-html => base>=4 && <4.4)
rejecting: blaze-html-0.3.2.1, blaze-html-0.3.2.0, blaze-html-0.3.1.0,
blaze-html-0.3.0.4, blaze-html-0.3.0.2, blaze-html-0.3.0.1,
blaze-html-0.3.0.0, blaze-html-0.2.4.0, blaze-html-0.2.3, blaze-html-0.2.2,
blaze-html-0.2.1, blaze-html-0.2, blaze-html-0.1.2, blaze-html-0.1.1,
blaze-html-0.1 (conflict: yesod-markdown => blaze-html>=0.4 && <0.5)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).