Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: nonlinear-optimization (user goal)
rejecting: nonlinear-optimization-0.3.7, 0.3.6, 0.3.5.2 (global constraint
requires ==0.3.5.1)
trying: nonlinear-optimization-0.3.5.1
trying: base-4.7.0.1/installed-e4b... (dependency of
nonlinear-optimization-0.3.5.1)
next goal: vector (dependency of nonlinear-optimization-0.3.5.1)
rejecting: vector-0.10.12.3, 0.10.12.2, 0.10.12.1, 0.10.11.0, 0.10.10.0,
0.10.9.2, 0.10.9.1, 0.10.9.0, 0.10.0.1, 0.10 (conflict: nonlinear-optimization
=> vector>=0.5 && <0.10)
trying: vector-0.9.1
next goal: primitive (dependency of nonlinear-optimization-0.3.5.1)
rejecting: primitive-0.6, 0.5.4.0, 0.5.3.0, 0.5.2.1, 0.5.1.0, 0.5.0.1, 0.5
(conflict: nonlinear-optimization => primitive>=0.2 && <0.5)
rejecting: primitive-0.4.1, 0.4.0.1 (conflict: base==4.7.0.1/installed-e4b...,
primitive => base>=4 && <4.7)
rejecting: primitive-0.4, 0.3.1, 0.3, 0.2.1, 0.2 (conflict: vector =>
primitive>=0.4.0.1 && <0.5)
rejecting: primitive-0.1 (conflict: nonlinear-optimization => primitive>=0.2
&& <0.5)
Dependency tree exhaustively searched.