Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: confsolve (user goal)
rejecting: confsolve-0.5.4, 0.5.3 (global constraint requires ==0.5.2)
trying: confsolve-0.5.2
trying: system-fileio-0.3.16.3 (dependency of confsolve-0.5.2)
trying: bytestring-0.10.6.0/installed-236... (dependency of
system-fileio-0.3.16.3)
next goal: attoparsec (dependency of confsolve-0.5.2)
rejecting: attoparsec-0.13.0.1, 0.13.0.0 (conflict: confsolve =>
attoparsec>=0.11.3.0 && <0.13)
trying: attoparsec-0.12.1.6
next goal: text (dependency of confsolve-0.5.2)
rejecting: text-1.2.1.3, 1.2.1.2, 1.2.1.1, 1.2.1.0, 1.2.0.6, 1.2.0.5, 1.2.0.4,
1.2.0.3, 1.2.0.2, 1.2.0.0 (conflict: confsolve => text>=1.1.1.2 && <1.2)
rejecting: text-1.1.1.4, 1.1.1.3 (conflict: bytestring =>
deepseq==1.4.1.1/installed-8fb..., text => deepseq>=1.1.0.0 && <1.4)
rejecting: text-1.1.1.2 (conflict: attoparsec => text>=1.1.1.3)
rejecting: text-1.1.1.1, 1.1.1.0, 1.1.0.1, 1.1.0.0, 1.0.0.1, 1.0.0.0,
0.11.3.1, 0.11.3.0, 0.11.2.3, 0.11.2.2, 0.11.2.1, 0.11.2.0, 0.11.1.13,
0.11.1.12, 0.11.1.11, 0.11.1.10, 0.11.1.9, 0.11.1.8, 0.11.1.7, 0.11.1.6,
0.11.1.5, 0.11.1.3, 0.11.1.2, 0.11.1.1, 0.11.1.0, 0.11.0.8, 0.11.0.7,
0.11.0.6, 0.11.0.5, 0.11.0.4, 0.11.0.3, 0.11.0.2, 0.11.0.1, 0.11.0.0,
0.10.0.2, 0.10.0.1, 0.10.0.0, 0.9.1.0, 0.9.0.1, 0.9.0.0, 0.8.1.0, 0.8.0.0,
0.7.2.1, 0.7.1.0, 0.7.0.1, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.1 (conflict:
confsolve => text>=1.1.1.2 && <1.2)
Dependency tree exhaustively searched.