Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: yi (user goal)
rejecting: yi-0.12.2, 0.12.1, 0.12.0, 0.11.2, 0.11.1, 0.11.0, 0.10.1 (global
constraint requires ==0.10.0)
trying: yi-0.10.0
trying: base-4.8.1.0/installed-4f7... (dependency of yi-0.10.0)
next goal: unix (dependency of yi-0.10.0)
rejecting: unix-2.7.1.0/installed-643... (conflict: unix =>
time==1.5.0.1/installed-c20..., yi => time>=1.1 && <1.5)
trying: unix-2.7.1.0
trying: yi-rope-0.7.0.1 (dependency of yi-0.10.0)
trying: deepseq-1.4.1.1/installed-8fb... (dependency of yi-rope-0.7.0.1)
next goal: time (dependency of yi-0.10.0)
rejecting: time-1.5.0.1/installed-c20..., 1.5.0.1, 1.5 (conflict: yi =>
time>=1.1 && <1.5)
rejecting: time-1.4.2, 1.4.1 (conflict: deepseq==1.4.1.1/installed-8fb...,
time => deepseq>=1.1 && <1.4)
rejecting: time-1.4.0.2 (conflict: base==4.8.1.0/installed-4f7..., time =>
base>=4 && <4.7)
rejecting: time-1.4.0.1, 1.4 (conflict: base==4.8.1.0/installed-4f7..., time
=> base<4.7)
rejecting: time-1.3, 1.2.0.5, 1.2.0.4, 1.2.0.3, 1.2.0.2, 1.2.0.1 (conflict:
base==4.8.1.0/installed-4f7..., time => base>=4 && <4.7)
rejecting: time-1.2 (conflict: base==4.8.1.0/installed-4f7..., time => base<0)
rejecting: time-1.1.4, 1.1.3, 1.1.2.4, 1.1.2.3, 1.1.2.2, 1.1.2.1, 1.1.2.0
(conflict: unix => time>=1.2 && <1.6)
rejecting: time-1.0 (conflict: yi => time>=1.1 && <1.5)
Backjump limit reached (change with --max-backjumps).