Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: sized-vector (user goal)
rejecting: sized-vector-1.4.3.1 (constraint from user target requires
==1.4.3.0)
trying: sized-vector-1.4.3.0
trying: base-4.9.0.0/installed-4.9... (dependency of sized-vector-1.4.3.0)
trying: singletons-2.2 (dependency of sized-vector-1.4.3.0)
next goal: type-natural (dependency of sized-vector-1.4.3.0)
rejecting: type-natural-0.7.1.1, type-natural-0.7.1.0, type-natural-0.6.1.1,
type-natural-0.6.1.0, type-natural-0.6.0.0, type-natural-0.5.0.0,
type-natural-0.4.2.0, type-natural-0.4.1.1 (conflict: sized-vector =>
type-natural>=0.1 && <0.4)
rejecting: type-natural-0.3.0.0 (conflict: singletons==2.2, type-natural =>
singletons==2.0.*)
rejecting: type-natural-0.2.3.2 (conflict: singletons==2.2, type-natural =>
singletons>=1.0 && <1.2)
rejecting: type-natural-0.2.3.1, type-natural-0.2.2.0, type-natural-0.2.1.5
(conflict: singletons==2.2, type-natural => singletons>=1.0 && <1.1)
rejecting: type-natural-0.2.0.0, type-natural-0.1.0.0 (conflict:
base==4.9.0.0/installed-4.9..., type-natural => base==4.6.*)
rejecting: type-natural-0.0.6.0, type-natural-0.0.5.0, type-natural-0.0.4.0,
type-natural-0.0.3.0, type-natural-0.0.2.1, type-natural-0.0.2.0,
type-natural-0.0.1.1, type-natural-0.7.0.0, type-natural-0.4.1.0,
type-natural-0.4.0.0 (conflict: sized-vector => type-natural>=0.1 && <0.4)
rejecting: type-natural-0.2.3.0, type-natural-0.2.1.4, type-natural-0.2.1.3
(conflict: singletons==2.2, type-natural => singletons>=1.0 && <1.1)
rejecting: type-natural-0.2.1.2 (conflict: singletons==2.2, type-natural =>
singletons>=0.10 && <1.0)
rejecting: type-natural-0.2.1.1 (conflict: singletons==2.2, type-natural =>
singletons>=0.10 && <1.1)
rejecting: type-natural-0.2.1.0 (conflict: singletons==2.2, type-natural =>
singletons>=0.10 && <0.11)
rejecting: type-natural-0.0.1.0 (conflict: sized-vector => type-natural>=0.1
&& <0.4)
Dependency tree exhaustively searched.