Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: paragon (user goal)
rejecting: paragon-0.1.28, paragon-0.1.27, paragon-0.1.26, paragon-0.1.25,
paragon-0.1.24, paragon-0.1.23, paragon-0.1.22, paragon-0.1.21,
paragon-0.1.20, paragon-0.1.19, paragon-0.1.16 (constraint from user target
requires ==0.1.15)
trying: paragon-0.1.15
trying: base-4.9.0.0/installed-4.9... (dependency of paragon-0.1.15)
next goal: uniplate (dependency of paragon-0.1.15)
rejecting: uniplate-1.6.12, uniplate-1.6.11, uniplate-1.6.10, uniplate-1.6.9,
uniplate-1.6.8, uniplate-1.6.7, uniplate-1.6.6, uniplate-1.6.5,
uniplate-1.6.4, uniplate-1.6.3, uniplate-1.6.2, uniplate-1.6.1 (conflict:
paragon => uniplate==1.6)
rejecting: uniplate-1.6 (conflict: base==4.9.0.0/installed-4.9..., uniplate =>
base>=4 && <4.4 || >=3 && <4)
rejecting: uniplate-1.5.1, uniplate-1.5, uniplate-1.4, uniplate-1.3,
uniplate-1.2.0.3, uniplate-1.2.0.2, uniplate-1.2.0.1, uniplate-1.2,
uniplate-1.0.1, uniplate-1.0 (conflict: paragon => uniplate==1.6)
Dependency tree exhaustively searched.