Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: cabal-dependency-licenses (user goal)
rejecting: cabal-dependency-licenses-0.1.1.1, 0.1.1.0 (global constraint
requires ==0.1.0.1)
trying: cabal-dependency-licenses-0.1.0.1
next goal: directory (dependency of cabal-dependency-licenses-0.1.0.1)
rejecting: directory-1.2.2.0/installed-258... (conflict: filepath==1.3.0.1,
directory => filepath==1.4.0.0/installed-8fe...)
trying: directory-1.2.4.0
trying: unix-2.7.1.0/installed-643... (dependency of directory-1.2.4.0)
trying: bytestring-0.10.6.0/installed-236... (dependency of
unix-2.7.1.0/installed-643...)
next goal: Cabal (dependency of cabal-dependency-licenses-0.1.0.1)
rejecting: Cabal-1.22.4.0/installed-43c..., 1.22.5.0, 1.22.4.0, 1.22.3.0,
1.22.2.0, 1.22.1.1, 1.22.1.0, 1.22.0.0 (conflict: cabal-dependency-licenses =>
Cabal>=1.20 && <1.21)
rejecting: Cabal-1.20.0.3, 1.20.0.2, 1.20.0.1, 1.20.0.0 (conflict: bytestring
=> deepseq==1.4.1.1/installed-8fb..., Cabal => deepseq>=1.3 && <1.4)
rejecting: Cabal-1.18.1.6, 1.18.1.5, 1.18.1.4, 1.18.1.3, 1.18.1.2, 1.18.1.1,
1.18.1, 1.18.0, 1.16.0.3, 1.16.0.2, 1.16.0.1, 1.16.0, 1.14.0, 1.12.0,
1.10.2.0, 1.10.1.0, 1.10.0.0, 1.8.0.6, 1.8.0.4, 1.8.0.2, 1.6.0.3, 1.6.0.2,
1.6.0.1, 1.4.0.2, 1.4.0.1, 1.4.0.0, 1.2.4.0, 1.2.3.0, 1.2.2.0, 1.2.1, 1.1.6
(conflict: cabal-dependency-licenses => Cabal>=1.20 && <1.21)
Dependency tree exhaustively searched.