Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: dtd-text (user goal)
rejecting: dtd-text-0.1.2.0, 0.1.1.2, 0.1.1.1 (global constraint requires
==0.1.1.0)
trying: dtd-text-0.1.1.0
next goal: blaze-builder (dependency of dtd-text-0.1.1.0)
rejecting: blaze-builder-0.4.0.1, 0.4.0.0 (conflict: dtd-text =>
blaze-builder==0.3.*)
trying: blaze-builder-0.3.3.4
trying: bytestring-0.10.6.0/installed-236... (dependency of
blaze-builder-0.3.3.4)
trying: deepseq-1.4.1.1/installed-8fb... (dependency of
bytestring-0.10.6.0/installed-236...)
next goal: attoparsec-text (dependency of dtd-text-0.1.1.0)
rejecting: attoparsec-text-0.8.5.3, 0.8.5.2, 0.8.5.1, 0.8.5.0, 0.8.2.1,
0.8.2.0, 0.8.0.0 (conflict: deepseq => array==0.5.1.0/installed-d42...,
attoparsec-text => array>=0.1 && <0.4)
Dependency tree exhaustively searched.