Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: HDBC (user goal)
rejecting: HDBC-2.4.0.1, 2.4.0.0, 2.3.1.2, 2.3.1.1, 2.3.1.0, 2.2.7.0, 2.2.6.1,
2.2.6, 2.2.5, 2.2.4, 2.2.3, 2.2.2 (global constraint requires ==2.2.1)
trying: HDBC-2.2.1
trying: base-4.8.1.0/installed-4f7... (dependency of HDBC-2.2.1)
trying: convertible-1.1.1.0 (dependency of HDBC-2.2.1)
trying: time-1.5.0.1/installed-c20... (dependency of convertible-1.1.1.0)
trying: HDBC-2.2.1:-buildtests
rejecting: HDBC-2.2.1:+splitbase (conflict: time==1.5.0.1/installed-c20...,
HDBC-2.2.1:splitbase => time>=1.1.2.4 && <1.1.3)
rejecting: HDBC-2.2.1:-splitbase (conflict: base==4.8.1.0/installed-4f7...,
HDBC-2.2.1:splitbase => base<3)
Dependency tree exhaustively searched.