Resolving dependencies...
cabal: Could not resolve dependencies:
trying: base-4.9.0.0/installed-4.9... (dependency of yi-0.6.0:+vty)
next goal: vty (dependency of yi-0.6.0:+vty)
rejecting: vty-5.14, vty-5.13, vty-5.11.3, vty-5.11.2, vty-5.11.1, vty-5.11,
vty-5.10, vty-5.9.1, vty-5.9, vty-5.8.1, vty-5.8, vty-5.7.1, vty-5.7, vty-5.6,
vty-5.5.0, vty-5.4.0, vty-5.3.1, vty-5.3, vty-5.2.11, vty-5.2.10, vty-5.2.9,
vty-5.2.8, vty-5.2.7, vty-5.2.6, vty-5.2.5, vty-5.2.4, vty-5.2.3, vty-5.2.2,
vty-5.2.1, vty-5.2.0, vty-5.1.4, vty-5.1.3, vty-5.1.1, vty-5.1.0, vty-5.0.2,
vty-5.0.1, vty-5.0.0, vty-4.7.5, vty-4.7.4, vty-4.7.3, vty-4.7.2, vty-4.7.1,
vty-4.7.0.20, vty-4.7.0.18, vty-4.7.0.14, vty-4.7.0.12, vty-4.7.0.10,
vty-4.7.0.8, vty-4.7.0.6, vty-4.7.0.4, vty-4.7.0.0, vty-4.6.0.6, vty-4.6.0.4,
vty-4.6.0.2, vty-4.6.0.1, vty-4.4.0.0.1, vty-4.4.0.0, vty-4.2.1.0,
vty-4.0.0.1, vty-4.0.0 (conflict: yi-0.6.0:vty => vty>=3.1.8 && <4)
trying: vty-3.1.8.4
next goal: terminfo (dependency of vty-3.1.8.4)
rejecting: terminfo-0.4.0.2/installed-0.4..., terminfo-0.4.0.2,
terminfo-0.4.0.1, terminfo-0.4.0.0 (conflict: vty => terminfo>=0.3 && <0.4)
rejecting: terminfo-0.3.2.6, terminfo-0.3.2.5, terminfo-0.3.2.4 (conflict:
base==4.9.0.0/installed-4.9..., terminfo => base>=4.0 && <4.8)
rejecting: terminfo-0.3.2.3, terminfo-0.3.2.2, terminfo-0.3.2.1,
terminfo-0.3.2, terminfo-0.3.1.3, terminfo-0.3.1.2, terminfo-0.3.1.1,
terminfo-0.3.1, terminfo-0.3.0.2, terminfo-0.3.0.1, terminfo-0.3 (conflict:
base==4.9.0.0/installed-4.9..., terminfo => base>=1.0 && <4.8)
rejecting: terminfo-0.2.2.1, terminfo-0.2.2, terminfo-0.2.1, terminfo-0.2,
terminfo-0.1 (conflict: vty => terminfo>=0.3 && <0.4)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).