Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: trifecta (user goal)
rejecting: trifecta-1.6.1, trifecta-1.6, trifecta-1.5.2, trifecta-1.5.1.3,
trifecta-1.5.1.2, trifecta-1.5.1.1, trifecta-1.5.1, trifecta-1.5,
trifecta-1.4.3, trifecta-1.4.2, trifecta-1.4.1, trifecta-1.4,
trifecta-1.2.1.1, trifecta-1.2.1, trifecta-1.2, trifecta-1.1, trifecta-1.0,
trifecta-0.53, trifecta-0.52, trifecta-0.51.0.1, trifecta-0.51,
trifecta-0.50.2.1, trifecta-0.50.1, trifecta-0.50, trifecta-0.49.1,
trifecta-0.49, trifecta-0.47, trifecta-0.46, trifecta-0.45, trifecta-0.44,
trifecta-0.43, trifecta-0.42, trifecta-0.41, trifecta-0.40, trifecta-0.39,
trifecta-0.38, trifecta-0.37, trifecta-0.36.3, trifecta-0.36.2,
trifecta-0.36.1, trifecta-0.36, trifecta-0.35, trifecta-0.34, trifecta-0.32.1,
trifecta-0.32, trifecta-0.31, trifecta-0.30, trifecta-0.29, trifecta-0.28,
trifecta-0.27, trifecta-0.26, trifecta-0.25, trifecta-0.24, trifecta-0.23,
trifecta-0.22, trifecta-0.21, trifecta-0.20, trifecta-0.19, trifecta-0.18,
trifecta-0.17, trifecta-0.16.1, trifecta-0.16, trifecta-0.15.1, trifecta-0.15,
trifecta-0.14, trifecta-0.13, trifecta-0.12, trifecta-0.11, trifecta-0.10,
trifecta-0.9, trifecta-0.8.0.1, trifecta-0.8, trifecta-0.7.2 (constraint from
user target requires ==0.7.1)
trying: trifecta-0.7.1
trying: base-4.9.0.0/installed-4.9... (dependency of trifecta-0.7.1)
next goal: terminfo (dependency of trifecta-0.7.1)
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: trifecta => terminfo>=0.3.2 &&
<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 (conflict: base==4.9.0.0/installed-4.9..., terminfo =>
base>=1.0 && <4.8)
rejecting: 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,
terminfo-0.2.2.1, terminfo-0.2.2, terminfo-0.2.1, terminfo-0.2, terminfo-0.1
(conflict: trifecta => terminfo>=0.3.2 && <0.4)
Dependency tree exhaustively searched.