Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: dbmigrations (user goal)
rejecting: dbmigrations-0.9, 0.8.2, 0.8.1, 0.8, 0.7, 0.6, 0.5, 0.3, 0.2
(global constraint requires ==0.1.2)
trying: dbmigrations-0.1.2
trying: base-4.8.1.0/installed-4f7... (dependency of dbmigrations-0.1.2)
next goal: vty (dependency of dbmigrations-0.1.2)
rejecting: vty-5.4.0, 5.3.1, 5.3, 5.2.11, 5.2.10, 5.2.9, 5.2.8, 5.2.7, 5.2.6,
5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1.4, 5.1.3, 5.1.1, 5.1.0, 5.0.2,
5.0.1, 5.0.0, 4.7.5, 4.7.4, 4.7.3, 4.7.2, 4.7.1, 4.7.0.20, 4.7.0.18, 4.7.0.14,
4.7.0.12, 4.7.0.10, 4.7.0.8, 4.7.0.6, 4.7.0.4, 4.7.0.0, 4.6.0.6, 4.6.0.4,
4.6.0.2, 4.6.0.1, 4.4.0.0.1, 4.4.0.0, 4.2.1.0 (conflict: dbmigrations =>
vty>=4.0 && <4.1)
trying: vty-4.0.0.1
next goal: terminfo (dependency of vty-4.0.0.1)
rejecting: terminfo-0.4.0.1/installed-c72..., 0.4.0.1, 0.4.0.0 (conflict: vty
=> terminfo>=0.3 && <0.4)
rejecting: terminfo-0.3.2.6, 0.3.2.5, 0.3.2.4 (conflict:
base==4.8.1.0/installed-4f7..., terminfo => base>=4.0 && <4.8)
rejecting: terminfo-0.3.2.3, 0.3.2.2, 0.3.2.1, 0.3.2, 0.3.1.3, 0.3.1.2,
0.3.1.1, 0.3.1, 0.3.0.2, 0.3.0.1, 0.3 (conflict:
base==4.8.1.0/installed-4f7..., terminfo => base>=1.0 && <4.8)
rejecting: terminfo-0.2.2.1, 0.2.2, 0.2.1, 0.2, 0.1 (conflict: vty =>
terminfo>=0.3 && <0.4)
Dependency tree exhaustively searched.