Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: buildwrapper (user goal)
rejecting: buildwrapper-0.9.1, 0.9.0, 0.8.11, 0.8.10, 0.8.9, 0.8.8, 0.8.7,
0.8.6, 0.8.5, 0.8.4, 0.8.3 (global constraint requires ==0.8.2)
trying: buildwrapper-0.8.2
trying: time-1.5.0.1/installed-c20... (dependency of buildwrapper-0.8.2)
next goal: attoparsec (dependency of buildwrapper-0.8.2)
rejecting: attoparsec-0.13.0.1, 0.13.0.0, 0.12.1.6, 0.12.1.5, 0.12.1.4,
0.12.1.3, 0.12.1.2, 0.12.1.1, 0.12.1.0, 0.12.0.0 (conflict: buildwrapper =>
attoparsec>=0.11 && <0.12)
trying: attoparsec-0.11.3.4
trying: scientific-0.3.4.2 (dependency of attoparsec-0.11.3.4)
next goal: aeson (dependency of buildwrapper-0.8.2)
rejecting: aeson-0.10.0.0, 0.9.0.1, 0.9.0.0, 0.8.1.1, 0.8.1.0, 0.8.0.2
(conflict: buildwrapper => aeson>=0.7 && <0.8)
rejecting: aeson-0.7.0.6 (conflict: time==1.5.0.1/installed-c20..., aeson =>
time<1.5)
rejecting: aeson-0.7.0.4 (conflict: scientific==0.3.4.2, aeson =>
scientific>=0.2 && <0.3)
rejecting: aeson-0.6.2.1, 0.6.2.0, 0.6.1.0, 0.6.0.2, 0.6.0.1, 0.6.0.0,
0.5.0.0, 0.4.0.1, 0.4.0.0, 0.3.2.14, 0.3.2.13, 0.3.2.12, 0.3.2.11, 0.3.2.10,
0.3.2.9, 0.3.2.8, 0.3.2.7, 0.3.2.6, 0.3.2.5, 0.3.2.4, 0.3.2.3, 0.3.2.2,
0.3.2.1, 0.3.2.0, 0.3.1.1, 0.3.1.0, 0.3.0.0, 0.2.0.0, 0.1.0.0, 0.8.0.1,
0.8.0.0 (conflict: buildwrapper => aeson>=0.7 && <0.8)
rejecting: aeson-0.7.0.5, 0.7.0.3, 0.7.0.2, 0.7.0.1, 0.7.0.0 (conflict:
time==1.5.0.1/installed-c20..., aeson => time<1.5)
Dependency tree exhaustively searched.