Resolving dependencies... cabal: Could not resolve dependencies: trying: base-4.9.0.0/installed-4.9... (dependency of NoSlow-0.2) next goal: criterion (dependency of NoSlow-0.2) rejecting: 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 (conflict: NoSlow => criterion>=0.4 && <0.5) trying: criterion-0.4.1.0 next goal: uvector (dependency of criterion-0.4.1.0) rejecting: uvector-0.1.1.1, uvector-0.1.1.0, uvector-0.1.0.5 (conflict: base==4.9.0.0/installed-4.9..., uvector => base<4.3) rejecting: uvector-0.1.0.4, uvector-0.1.0.3, uvector-0.1.0.2, uvector-0.1.0.1, uvector-0.1 (conflict: criterion => uvector>=0.1.0.5) Dependency tree exhaustively searched.