Resolving dependencies... cabal: Could not resolve dependencies: trying: distributed-process-platform-0.1.0 (user goal) trying: base-4.8.1.0/installed-4f7... (dependency of distributed-process-platform-0.1.0) trying: stm-2.4.4 (dependency of distributed-process-platform-0.1.0) trying: array-0.5.1.0/installed-d42... (dependency of stm-2.4.4) next goal: deepseq (dependency of distributed-process-platform-0.1.0) rejecting: deepseq-1.4.1.1/installed-8fb..., 1.4.1.2, 1.4.1.1, 1.4.1.0, 1.4.0.0 (conflict: distributed-process-platform => deepseq>=1.3.0.1 && <1.4) rejecting: deepseq-1.3.0.2 (conflict: base==4.8.1.0/installed-4f7..., deepseq => base>=4.3 && <4.8) rejecting: deepseq-1.3.0.1 (conflict: array==0.5.1.0/installed-d42..., deepseq => array>=0.1 && <0.5) rejecting: deepseq-1.3.0.0, 1.2.0.1, 1.2.0.0, 1.1.0.2, 1.1.0.1, 1.1.0.0, 1.0.0.0 (conflict: distributed-process-platform => deepseq>=1.3.0.1 && <1.4) Dependency tree exhaustively searched.