Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: dbmigrations (user goal)
rejecting: dbmigrations-2.0.0, dbmigrations-1.1.1, dbmigrations-1.1,
dbmigrations-1.0, dbmigrations-0.9.1, dbmigrations-0.9, dbmigrations-0.8.2,
dbmigrations-0.8.1, dbmigrations-0.8, dbmigrations-0.7, dbmigrations-0.6,
dbmigrations-0.5, dbmigrations-0.3, dbmigrations-0.2, dbmigrations-0.1.2,
dbmigrations-0.1.1 (constraint from user target requires ==0.1)
trying: dbmigrations-0.1
trying: base-4.9.0.0/installed-4.9... (dependency of dbmigrations-0.1)
next goal: fgl (dependency of dbmigrations-0.1)
rejecting: fgl-5.5.3.0, fgl-5.5.2.3, fgl-5.5.2.2, fgl-5.5.2.1, fgl-5.5.2.0,
fgl-5.5.1.0, fgl-5.5.0.1, fgl-5.5.0.0 (conflict: dbmigrations => fgl>=5.4 &&
<5.5)
rejecting: fgl-5.4.2.4 (conflict: base==4.9.0.0/installed-4.9..., fgl =>
base<4.8)
rejecting: fgl-5.4.2.3, fgl-5.4.2.2 (conflict: base==4.9.0.0/installed-4.9...,
fgl => base<4.4)
rejecting: fgl-5.4.2.0, fgl-5.4.1.1 (conflict: base==4.9.0.0/installed-4.9...,
fgl => base<4.8)
rejecting: fgl-5.3 (conflict: dbmigrations => fgl>=5.4 && <5.5)
Dependency tree exhaustively searched.