Resolving dependencies...
cabal: Could not resolve dependencies:
trying: hackage-server-0.5.0:-build-hackage-import
trying: hackage-server-0.5.0:+build-hackage-build
trying: unix-2.7.2.0/installed-2.7... (dependency of
hackage-server-0.5.0:+build-hackage-build)
next goal: aeson (dependency of hackage-server-0.5.0:+build-hackage-build)
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, aeson-0.7.0.6,
aeson-0.7.0.4, aeson-0.6.2.1, aeson-0.6.2.0 (conflict:
hackage-server-0.5.0:build-hackage-build => aeson==0.6.1.*)
rejecting: aeson-0.6.1.0 (conflict: unix => time==1.6.0.1/installed-1.6...,
aeson => time<1.5)
rejecting: aeson-0.6.0.2, aeson-0.6.0.1, aeson-0.6.0.0, aeson-0.5.0.0,
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,
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: hackage-server-0.5.0:build-hackage-build => aeson==0.6.1.*)
Dependency tree exhaustively searched.