Resolving dependencies...
cabal: Could not resolve dependencies:
trying: hurdle-0.4.0 (user goal)
trying: bytestring-0.10.4.0/installed-9f4... (dependency of hurdle-0.4.0)
next goal: deepseq (dependency of bytestring-0.10.4.0/installed-9f4...)
rejecting: deepseq-1.3.0.2/installed-733... (conflict: deepseq =>
array==0.5.0.0/installed-98a..., hurdle => array>=0.2.0.0 && <0.4)
rejecting: deepseq-1.4.1.1, 1.4.1.0, 1.4.0.0, 1.3.0.2, 1.3.0.1, 1.3.0.0,
1.2.0.1, 1.2.0.0, 1.1.0.2, 1.1.0.1, 1.1.0.0, 1.0.0.0 (conflict: bytestring =>
deepseq==1.3.0.2/installed-733...)
Dependency tree exhaustively searched.