Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hoauth2 (user goal)
rejecting: hoauth2-0.4.8, 0.4.7, 0.4.6, 0.4.5, 0.4.4, 0.4.3, 0.4.2, 0.4.1,
0.4.0, 0.3.7, 0.3.6.1, 0.3.6, 0.3.5, 0.3.0, 0.2.6, 0.2.5.1, 0.2.5, 0.2.4,
0.2.3, 0.2.2, 0.2.0 (global constraint requires ==0.1.2)
trying: hoauth2-0.1.2
trying: http-types-0.9 (dependency of hoauth2-0.1.2)
trying: text-1.2.1.3 (dependency of http-types-0.9)
next goal: bytestring (dependency of hoauth2-0.1.2)
rejecting: bytestring-0.10.6.0/installed-236..., 0.10.6.0, 0.10.4.1, 0.10.4.0,
0.10.2.0, 0.10.0.2, 0.10.0.1, 0.10.0.0 (conflict: hoauth2 => bytestring>=0.9
&& <0.10)
rejecting: bytestring-0.9.2.1, 0.9.2.0, 0.9.1.10, 0.9.1.9, 0.9.1.8, 0.9.1.7,
0.9.1.6, 0.9.1.5 (conflict: text => bytestring>=0.10.4.0)
rejecting: bytestring-0.9.1.4, 0.9.1.3, 0.9.1.2, 0.9.1.1, 0.9.1.0, 0.9.0.4,
0.9.0.3, 0.9.0.2, 0.9.0.1, 0.9 (conflict: http-types => bytestring>=0.9.1.5 &&
<0.11)
Dependency tree exhaustively searched.