Resolving dependencies... cabal: Could not resolve dependencies: next goal: snaplet-i18n (user goal) rejecting: snaplet-i18n-0.0.5, 0.0.4, 0.0.3.1, 0.0.3 (global constraint requires ==0.0.2.1) trying: snaplet-i18n-0.0.2.1 trying: base-4.8.1.0/installed-4f7... (dependency of snaplet-i18n-0.0.2.1) next goal: heist (dependency of snaplet-i18n-0.0.2.1) rejecting: heist-0.14.1.1, 0.14.1, 0.14.0.1, 0.14.0, 0.13.1.2, 0.13.1.1, 0.13.1, 0.13.0.6, 0.13.0.5, 0.13.0.4, 0.13.0.3, 0.13.0.2, 0.13.0.1, 0.13.0, 0.12.0, 0.11.1, 0.11.0.1, 0.11.0, 0.10.2.1, 0.10.2, 0.10.1, 0.10.0 (conflict: snaplet-i18n => heist>=0.8 && <0.9) rejecting: heist-0.8.2 (conflict: base==4.8.1.0/installed-4f7..., heist => base>=4 && <4.7) trying: heist-0.8.1.1 next goal: vector (dependency of heist-0.8.1.1) rejecting: vector-0.11.0.0, 0.10.12.3, 0.10.12.2, 0.10.12.1, 0.10.11.0, 0.10.10.0, 0.10.9.2, 0.10.9.1, 0.10.9.0, 0.10.0.1, 0.10 (conflict: heist => vector>=0.9 && <0.10) trying: vector-0.9.1 next goal: primitive (dependency of vector-0.9.1) rejecting: primitive-0.6.1.0, 0.5.4.0, 0.5.3.0, 0.5.2.1, 0.5.1.0, 0.5.0.1, 0.5 (conflict: vector => primitive>=0.4.0.1 && <0.5) rejecting: primitive-0.4.1, 0.4.0.1 (conflict: base==4.8.1.0/installed-4f7..., primitive => base>=4 && <4.7) rejecting: primitive-0.4, 0.3.1, 0.3, 0.2.1, 0.2, 0.1, 0.6 (conflict: vector => primitive>=0.4.0.1 && <0.5) Dependency tree exhaustively searched.