Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: SourceGraph (user goal)
rejecting: SourceGraph-0.7.0.7, SourceGraph-0.7.0.6, SourceGraph-0.7.0.5,
SourceGraph-0.7.0.4, SourceGraph-0.7.0.3, SourceGraph-0.7.0.2,
SourceGraph-0.7.0.1, SourceGraph-0.7.0.0, SourceGraph-0.6.1.1,
SourceGraph-0.6.0.2, SourceGraph-0.6.0.1, SourceGraph-0.6.0.0,
SourceGraph-0.5.5.0, SourceGraph-0.5.2.0, SourceGraph-0.5.1.0,
SourceGraph-0.5.0.0, SourceGraph-0.3 (constraint from user target requires
==0.2)
trying: SourceGraph-0.2
trying: directory-1.2.6.2/installed-1.2... (dependency of cpphs-1.20.2)
next goal: Cabal (dependency of SourceGraph-0.2)
rejecting: Cabal-1.24.0.0/installed-1.2..., Cabal-1.24.2.0, Cabal-1.24.0.0,
Cabal-1.22.8.0, Cabal-1.22.7.0, Cabal-1.22.6.0, Cabal-1.22.5.0,
Cabal-1.22.4.0, Cabal-1.22.3.0, Cabal-1.22.2.0, Cabal-1.22.1.1,
Cabal-1.22.1.0, Cabal-1.22.0.0, Cabal-1.20.0.4, Cabal-1.20.0.3,
Cabal-1.20.0.2, Cabal-1.20.0.1, Cabal-1.20.0.0, Cabal-1.18.1.7,
Cabal-1.18.1.6, Cabal-1.18.1.5, Cabal-1.18.1.4, Cabal-1.18.1.3,
Cabal-1.18.1.2, Cabal-1.18.1.1, Cabal-1.18.1, Cabal-1.18.0, Cabal-1.16.0.3,
Cabal-1.16.0.2, Cabal-1.16.0.1, Cabal-1.16.0, Cabal-1.14.0, Cabal-1.12.0,
Cabal-1.10.2.0, Cabal-1.10.1.0, Cabal-1.10.0.0, Cabal-1.8.0.6, Cabal-1.8.0.4,
Cabal-1.8.0.2, Cabal-1.6.0.3, Cabal-1.6.0.2, Cabal-1.6.0.1 (conflict:
SourceGraph => Cabal<1.5)
rejecting: Cabal-1.4.0.2, Cabal-1.4.0.1, Cabal-1.4.0.0 (conflict: directory =>
filepath==1.4.1.0/installed-1.4..., Cabal => filepath>=1 && <1.2)
rejecting: Cabal-1.2.4.0, Cabal-1.2.3.0, Cabal-1.2.2.0, Cabal-1.2.1,
Cabal-1.1.6 (conflict: SourceGraph => Cabal>=1.4)
rejecting: Cabal-1.24.1.0 (conflict: SourceGraph => Cabal<1.5)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).