Resolving dependencies...
Error: cabal: Could not resolve dependencies:
[__0] trying: FULE-0.3.0 (user goal)
[__1] next goal: deepseq (dependency of FULE)
[__1] rejecting: deepseq-1.4.6.1/installed-1.4.6.1 (conflict: FULE =>
deepseq>=1.4.8 && <1.5)
[__1] skipping: deepseq-1.5.0.0 (has the same characteristics that caused the
previous version to fail: excluded by constraint '>=1.4.8 && <1.5' from
'FULE')
[__1] trying: deepseq-1.4.8.1
[__2] next goal: containers (dependency of FULE)
[__2] rejecting: containers-0.6.5.1/installed-0.6.5.1 (conflict: FULE =>
containers>=0.6.6 && <0.7)
[__2] skipping: containers-0.7 (has the same characteristics that caused the
previous version to fail: excluded by constraint '>=0.6.6 && <0.7' from
'FULE')
[__2] trying: containers-0.6.8
[__3] trying: template-haskell-2.18.0.0/installed-2.18.0.0 (dependency of
containers)
[__4] next goal: pretty (dependency of template-haskell)
[__4] rejecting: pretty-1.1.3.6/installed-1.1.3.6 (conflict: deepseq==1.4.8.1,
pretty => deepseq==1.4.6.1/installed-1.4.6.1)
[__4] rejecting: pretty-1.1.3.6, pretty-1.1.3.5, pretty-1.1.3.4,
pretty-1.1.3.3, pretty-1.1.3.2, pretty-1.1.3.1, pretty-1.1.2.1,
pretty-1.1.2.0, pretty-1.1.1.3, pretty-1.1.1.2, pretty-1.1.1.1,
pretty-1.1.1.0, pretty-1.1.0.0, pretty-1.0.1.2, pretty-1.0.1.1,
pretty-1.0.1.0, pretty-1.0.0.0 (conflict: template-haskell =>
pretty==1.1.3.6/installed-1.1.3.6)
[__4] fail (backjumping, conflict set: deepseq, pretty, template-haskell)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: FULE, template-haskell, containers,
pretty, deepseq
Try running with --minimize-conflict-set to improve the error message.