Resolving dependencies... cabal: Could not resolve dependencies: trying: sequor-0.7.5 (user goal) trying: base-4.9.0.0/installed-4.9... (dependency of sequor-0.7.5) next goal: deepseq (dependency of text-0.11.3.1) rejecting: deepseq-1.4.2.0/installed-1.4..., deepseq-1.4.2.0, deepseq-1.4.1.2, deepseq-1.4.1.1, deepseq-1.4.1.0, deepseq-1.4.0.0 (conflict: text => deepseq>=1.1.0.0 && <1.4) rejecting: deepseq-1.3.0.2 (conflict: base==4.9.0.0/installed-4.9..., deepseq => base>=4.3 && <4.8) trying: deepseq-1.3.0.1 next goal: array (dependency of sequor-0.7.5) rejecting: array-0.5.1.1/installed-0.5..., array-0.5.1.1, array-0.5.1.0, array-0.5.0.0 (conflict: deepseq => array>=0.1 && <0.5) rejecting: array-0.4.0.1 (conflict: base==4.9.0.0/installed-4.9..., array => base>=4.2 && <4.7) rejecting: array-0.4.0.0 (conflict: base==4.9.0.0/installed-4.9..., array => base>=4.2 && <4.6) rejecting: array-0.3.0.3 (conflict: base==4.9.0.0/installed-4.9..., array => base>=4.2 && <4.5) rejecting: array-0.3.0.2, array-0.3.0.1 (conflict: base==4.9.0.0/installed-4.9..., array => base>=4.2 && <4.4) rejecting: array-0.3.0.0 (conflict: base==4.9.0.0/installed-4.9..., array => base>=3 && <4.4) rejecting: array-0.2.0.0 (conflict: base==4.9.0.0/installed-4.9..., array => base<4.3) rejecting: array-0.1.0.0 (conflict: sequor => array>=0.2) Dependency tree exhaustively searched.