Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: Hs2lib (user goal)
rejecting: Hs2lib-0.6.3, 0.6.1, 0.6.0 (global constraint requires ==0.5.6)
trying: Hs2lib-0.5.6
next goal: process (dependency of Hs2lib-0.5.6)
rejecting: process-1.2.3.0/installed-f02... (conflict: process =>
filepath==1.4.0.0/installed-8fe..., Hs2lib => filepath>=1 && <1.3)
rejecting: process-1.4.0.0, 1.3.0.0 (conflict: Cabal => process>=1.1.0.1 &&
<1.3)
trying: process-1.2.3.0
next goal: directory (dependency of Hs2lib-0.5.6)
rejecting: directory-1.2.2.0/installed-258... (conflict: directory =>
filepath==1.4.0.0/installed-8fe..., Hs2lib => filepath>=1 && <1.3)
trying: directory-1.2.4.0
next goal: filepath (dependency of Hs2lib-0.5.6)
rejecting: filepath-1.4.0.0/installed-8fe..., 1.4.0.0, 1.3.0.2, 1.3.0.1,
1.3.0.0 (conflict: Hs2lib => filepath>=1 && <1.3)
rejecting: filepath-1.2.0.1, 1.2.0.0 (conflict: directory => filepath>=1.3 &&
<1.5)
rejecting: filepath-1.1.0.4, 1.1.0.3, 1.1.0.2 (conflict: process =>
filepath>=1.2 && <1.5)
rejecting: filepath-1.1.0.1, 1.1.0.0, 1.0 (conflict: Hs2lib =>
filepath>=1.1.0.2)
Backjump limit reached (change with --max-backjumps).