Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: criterion (user goal)
rejecting: criterion-1.1.4.0, criterion-1.1.1.0, criterion-1.1.0.0,
criterion-1.0.2.0, criterion-1.0.1.0, criterion-1.0.0.2, criterion-1.0.0.1,
criterion-1.0.0.0, criterion-0.8.1.0, criterion-0.8.0.2, criterion-0.8.0.1,
criterion-0.8.0.0, criterion-0.6.2.1, criterion-0.6.2.0, criterion-0.6.1.1,
criterion-0.6.0.1, criterion-0.6.0.0, criterion-0.5.1.1, criterion-0.5.1.0,
criterion-0.5.0.10, criterion-0.5.0.9, criterion-0.5.0.8, criterion-0.5.0.7,
criterion-0.5.0.5, criterion-0.5.0.4, criterion-0.5.0.3, criterion-0.5.0.2,
criterion-0.5.0.1, criterion-0.5.0.0, criterion-0.4.1.0, criterion-0.4.0,
criterion-0.3.0, criterion-0.2.0, criterion-0.1.4, criterion-0.1.3,
criterion-0.1.2 (constraint from user target requires ==0.1)
trying: criterion-0.1
trying: base-4.9.0.0/installed-4.9... (dependency of criterion-0.1)
trying: uvector-algorithms-0.2 (dependency of criterion-0.1)
next goal: uvector (dependency of criterion-0.1)
rejecting: uvector-0.1.1.1, uvector-0.1.1.0, uvector-0.1.0.5, uvector-0.1.0.4
(conflict: base==4.9.0.0/installed-4.9..., uvector => base<4.3)
rejecting: uvector-0.1.0.3, uvector-0.1.0.2, uvector-0.1.0.1, uvector-0.1
(conflict: uvector-algorithms => uvector>=0.1.0.4)
Dependency tree exhaustively searched.