Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: json2yaml (user goal)
rejecting: json2yaml-0.3.2.3, 0.3.2.2, 0.3.2.1, 0.3.2 (global constraint
requires ==0.3.1)
trying: json2yaml-0.3.1
next goal: bytestring (dependency of json2yaml-0.3.1)
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: json2yaml =>
bytestring>=0.9.1.4 && <0.10)
trying: bytestring-0.9.2.1
next goal: yaml (dependency of json2yaml-0.3.1)
rejecting: yaml-0.8.15.1, 0.8.14, 0.8.13, 0.8.12, 0.8.11, 0.8.10.1, 0.8.10,
0.8.9.4, 0.8.9.3, 0.8.9.2, 0.8.9.1, 0.8.9, 0.8.8.4, 0.8.8.3, 0.8.8.2, 0.8.8.1,
0.8.8, 0.8.7.2, 0.8.7.1, 0.8.7, 0.8.6.2, 0.8.6.1, 0.8.6, 0.8.5.4, 0.8.5.3,
0.8.5.2, 0.8.5.1, 0.8.5, 0.8.4.1, 0.8.4, 0.8.3, 0.8.2.4, 0.8.2.3, 0.8.2.2,
0.8.2.1, 0.8.2, 0.8.1.2, 0.8.1.1, 0.8.1, 0.8.0.2, 0.8.0.1, 0.8.0 (conflict:
json2yaml => yaml>=0.7 && <0.8)
trying: yaml-0.7.0.4
trying: attoparsec-0.13.0.1 (dependency of yaml-0.7.0.4)
trying: scientific-0.3.4.2 (dependency of attoparsec-0.13.0.1)
rejecting: scientific-0.3.4.2:+bytestring-builder (conflict:
bytestring==0.9.2.1, scientific-0.3.4.2:bytestring-builder => bytestring>=0.10
&& <0.11)
rejecting: scientific-0.3.4.2:-bytestring-builder (manual flag can only be
changed explicitly)
Dependency tree exhaustively searched.