Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: roundtrip-xml (user goal)
rejecting: roundtrip-xml-0.3.0.5, 0.3.0.2 (global constraint requires
==0.3.0.1)
trying: roundtrip-xml-0.3.0.1
trying: roundtrip-0.2.0.3 (dependency of roundtrip-xml-0.3.0.1)
next goal: template-haskell (dependency of roundtrip-0.2.0.3)
rejecting: template-haskell-2.9.0.0/installed-3af... (conflict:
template-haskell => pretty==1.1.1.1/installed-055..., roundtrip-xml =>
pretty==1.0.*)
rejecting: template-haskell-2.10.0.0 (conflict:
base==4.7.0.1/installed-e4b..., template-haskell => base==4.8.*)
trying: template-haskell-2.9.0.0
next goal: pretty (dependency of roundtrip-xml-0.3.0.1)
rejecting: pretty-1.1.1.1/installed-055..., 1.1.3.2, 1.1.3.1, 1.1.2.1,
1.1.2.0, 1.1.1.3, 1.1.1.2, 1.1.1.1, 1.1.1.0, 1.1.0.0 (conflict: roundtrip-xml
=> pretty==1.0.*)
rejecting: pretty-1.0.1.2, 1.0.1.1, 1.0.1.0, 1.0.0.0 (conflict:
template-haskell => pretty==1.1.*)
Dependency tree exhaustively searched.