Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: mangopay (user goal)
rejecting: mangopay-1.12, mangopay-1.11.5, mangopay-1.11.4, mangopay-1.11.3,
mangopay-1.11.2, mangopay-1.11.1, mangopay-1.11, mangopay-1.10.2,
mangopay-1.10.1, mangopay-1.10, mangopay-1.9.7, mangopay-1.9.6,
mangopay-1.9.5.1, mangopay-1.9.5, mangopay-1.9.4, mangopay-1.9.2,
mangopay-1.9.1, mangopay-1.9, mangopay-1.8.2, mangopay-1.8.1, mangopay-1.8.0,
mangopay-1.7.0, mangopay-1.6.3, mangopay-1.6.2, mangopay-1.6.1,
mangopay-1.6.0, mangopay-1.5.1, mangopay-1.5 (constraint from user target
requires ==1.4)
trying: mangopay-1.4
trying: hashable-1.2.4.0 (dependency of void-0.7.1)
trying: template-haskell-2.11.0.0/installed-2.1... (dependency of
mangopay-1.4)
trying: unix-2.7.2.0/installed-2.7... (dependency of fast-logger-2.4.7)
next goal: aeson (dependency of mangopay-1.4)
rejecting: aeson-1.0.2.1, aeson-1.0.2.0, aeson-1.0.1.0, aeson-1.0.0.0,
aeson-0.11.2.1, aeson-0.11.2.0, aeson-0.11.1.4, aeson-0.11.1.3,
aeson-0.11.1.2, aeson-0.11.1.1, aeson-0.11.1.0, aeson-0.11.0.0, aeson-0.9.0.1,
aeson-0.9.0.0, aeson-0.8.1.1, aeson-0.8.1.0, aeson-0.8.0.2 (conflict: mangopay
=> aeson>=0.5 && <0.8)
rejecting: aeson-0.7.0.6, aeson-0.7.0.4 (conflict: unix =>
time==1.6.0.1/installed-1.6..., aeson => time<1.5)
rejecting: aeson-0.6.2.1, aeson-0.6.2.0, aeson-0.6.1.0 (conflict:
template-haskell==2.11.0.0/installed-2.1..., aeson => template-haskell>=2.4 &&
<2.10)
rejecting: aeson-0.6.0.2, aeson-0.6.0.1, aeson-0.6.0.0, aeson-0.5.0.0
(conflict: hashable==1.2.4.0, aeson => hashable>=1.1.2.0 && <1.2)
rejecting: aeson-0.4.0.1, aeson-0.4.0.0, aeson-0.3.2.14, aeson-0.3.2.13,
aeson-0.3.2.12, aeson-0.3.2.11, aeson-0.3.2.10, aeson-0.3.2.9, aeson-0.3.2.8,
aeson-0.3.2.7, aeson-0.3.2.6, aeson-0.3.2.5, aeson-0.3.2.4, aeson-0.3.2.3,
aeson-0.3.2.2, aeson-0.3.2.1, aeson-0.3.2.0, aeson-0.3.1.1, aeson-0.3.1.0,
aeson-0.3.0.0, aeson-0.2.0.0, aeson-0.1.0.0, aeson-0.10.0.0, aeson-0.8.0.1,
aeson-0.8.0.0 (conflict: mangopay => aeson>=0.5 && <0.8)
rejecting: aeson-0.7.0.5, aeson-0.7.0.3, aeson-0.7.0.2, aeson-0.7.0.1,
aeson-0.7.0.0 (conflict: unix => time==1.6.0.1/installed-1.6..., aeson =>
time<1.5)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).