Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: yst (user goal)
rejecting: yst-0.5.0.3, 0.5.0.2, 0.5.0.1, 0.5 (global constraint requires
==0.4.1.1)
trying: yst-0.4.1.1
trying: base-4.7.0.1/installed-e4b... (dependency of yst-0.4.1.1)
trying: HDBC-2.4.0.1 (dependency of yst-0.4.1.1)
next goal: pandoc (dependency of yst-0.4.1.1)
rejecting: pandoc-1.14.0.4, 1.14.0.3, 1.14.0.2, 1.14.0.1, 1.14 (conflict: yst
=> pandoc>=1.10 && <1.14)
trying: pandoc-1.13.2.1
trying: network-2.6.2.0 (dependency of pandoc-1.13.2.1)
trying: unix-2.7.0.1/installed-0d8... (dependency of network-2.6.2.0)
trying: HDBC-2.4.0.1:-buildtests
trying: HDBC-2.4.0.1:+mintime15
rejecting: HDBC-2.4.0.1:+splitbase (conflict: unix =>
time==1.4.2/installed-bf9..., HDBC-2.4.0.1:splitbase => time>=1.5 && <1.6)
rejecting: HDBC-2.4.0.1:-splitbase (conflict: base==4.7.0.1/installed-e4b...,
HDBC-2.4.0.1:splitbase => base<3)
Backjump limit reached (change with --max-backjumps).