Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: profunctor-extras (user goal)
rejecting: profunctor-extras-4.0, 3.3.3.1, 3.3.3, 3.3.1, 3.3, 3.2.1, 3.2, 3.1,
3.0.1, 3.0, 0.3.2.3, 0.3.2.2, 0.3.2.1, 0.3.2, 0.3.1.6 (global constraint
requires ==0.3.1.5)
trying: profunctor-extras-0.3.1.5
trying: base-4.8.1.0/installed-4f7... (dependency of
profunctor-extras-0.3.1.5)
next goal: profunctors (dependency of profunctor-extras-0.3.1.5)
rejecting: profunctors-5.1.1, 5.1, 5.0.1, 5.0.0.1, 5, 4.4.1, 4.4, 4.3.2,
4.2.0.1, 4.2, 4.1, 4.0.4, 4.0.3, 4.0.2, 4.0.1, 4.0, 3.3.0.1, 3.3, 3.2, 3.1.3,
3.1.2, 3.1.1, 3.1, 3.0 (conflict: profunctor-extras => profunctors>=0.1.1 &&
<0.2)
trying: profunctors-0.1.2.3
next goal: comonad (dependency of profunctor-extras-0.3.1.5)
rejecting: comonad-4.2.7.2, 4.2.7.1, 4.2.7, 4.2.6, 4.2.5, 4.2.4, 4.2.3, 4.2.2,
4.2.1, 4.2, 4.0.1, 4.0, 3.1, 3.0.3, 3.0.2, 3.0.1.1, 3.0.0.2, 3.0.0.1, 3.0
(conflict: profunctor-extras => comonad>=1.1 && <1.2)
rejecting: comonad-1.1.1.6, 1.1.1.5 (conflict: base==4.8.1.0/installed-4f7...,
comonad => base>=4 && <4.7)
rejecting: comonad-1.1.1.4, 1.1.1.3, 1.1.1.2, 1.1.1.1, 1.1.1, 1.1.0.2,
1.1.0.1, 1.1.0 (conflict: profunctors => comonad>=1.1.1.5 && <1.2)
rejecting: comonad-1.0.3, 1.0.2, 1.0.1, 1.0, 0.9.0.1, 0.9.0, 0.7.0, 0.6.2.1,
0.6.2, 0.6.1.2, 0.6.1.1, 0.6.1, 0.6.0, 0.5.0, 0.4.0, 0.3.0, 0.1.1, 0.1.0
(conflict: profunctor-extras => comonad>=1.1 && <1.2)
Dependency tree exhaustively searched.