Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: pandoc (user goal)
rejecting: pandoc-1.15.2.1, 1.15.2, 1.15.1.1, 1.15.1, 1.15.0.6, 1.15.0.5,
1.15.0.4, 1.15.0.3, 1.15.0.2, 1.14.1, 1.13.2.1, 1.13.2, 1.13.1, 1.13.0.1,
1.13, 1.12.4.2 (global constraint requires ==1.12.4)
trying: pandoc-1.12.4
trying: base-4.8.1.0/installed-4f7... (dependency of pandoc-1.12.4)
next goal: scientific (dependency of pandoc-1.12.4)
rejecting: scientific-0.3.4.3, 0.3.4.2, 0.3.4.1, 0.3.4.0, 0.3.3.8, 0.3.3.7,
0.3.3.6, 0.3.3.5, 0.3.3.4, 0.3.3.3, 0.3.3.2, 0.3.3.1, 0.3.3.0, 0.3.2.2,
0.3.2.1, 0.3.2.0, 0.3.1.0, 0.3.0.2, 0.3.0.1, 0.3.0.0 (conflict: pandoc =>
scientific>=0.2 && <0.3)
rejecting: scientific-0.2.0.2, 0.2.0.1, 0.2.0.0 (conflict:
base==4.8.1.0/installed-4f7..., scientific => base>=4.3 && <4.8)
rejecting: scientific-0.1.0.1, 0.1.0.0, 0.0.0.2, 0.0.0.1, 0.0.0.0 (conflict:
pandoc => scientific>=0.2 && <0.3)
Dependency tree exhaustively searched.