Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hpaco (user goal)
rejecting: hpaco-0.28.0.5, 0.28.0.4, 0.28.0.3, 0.28.0.2, 0.28.0.1, 0.28.0.0,
0.26.0.0 (global constraint requires ==0.25.2.0)
trying: hpaco-0.25.2.0
next goal: hpaco-lib (dependency of hpaco-0.25.2.0)
rejecting: hpaco-lib-0.28.0.5, 0.28.0.4, 0.28.0.3, 0.28.0.2, 0.28.0.1,
0.28.0.0, 0.26.0.0 (conflict: hpaco => hpaco-lib==0.25.2.0)
trying: hpaco-lib-0.25.2.0
next goal: file-embed (dependency of hpaco-lib-0.25.2.0)
rejecting: file-embed-0.0.8.2, 0.0.8.1, 0.0.8, 0.0.7.1, 0.0.7, 0.0.6, 0.0.5
(conflict: hpaco-lib => file-embed==0.0.4.*)
trying: file-embed-0.0.4.9
trying: directory-1.2.1.0/installed-4c4... (dependency of file-embed-0.0.4.9)
next goal: unix (dependency of directory-1.2.1.0/installed-4c4...)
rejecting: unix-2.7.0.1/installed-0d8... (conflict: unix =>
bytestring==0.10.4.0/installed-9f4..., hpaco-lib => bytestring==0.9.*)
rejecting: unix-2.7.1.0, 2.7.0.1, 2.7.0.0, 2.6.0.1, 2.6.0.0, 2.5.1.1, 2.5.1.0,
2.5.0.0, 2.4.2.0, 2.4.1.0, 2.4.0.2, 2.4.0.1, 2.4.0.0, 2.3.2.0, 2.3.1.0,
2.3.0.0, 2.2.0.0, 2.0 (conflict: directory => unix==2.7.0.1/installed-0d8...)
Dependency tree exhaustively searched.