Resolving dependencies... cabal: Could not resolve dependencies: trying: distributed-process-platform-0.1.0 (user goal) trying: base-4.9.0.0/installed-4.9... (dependency of distributed-process-platform-0.1.0) trying: array-0.5.1.1/installed-0.5... (dependency of stm-2.4.4.1) next goal: deepseq (dependency of distributed-process-platform-0.1.0) 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: distributed-process-platform => deepseq>=1.3.0.1 && <1.4) rejecting: deepseq-1.3.0.2 (conflict: base==4.9.0.0/installed-4.9..., deepseq => base>=4.3 && <4.8) rejecting: deepseq-1.3.0.1 (conflict: array==0.5.1.1/installed-0.5..., deepseq => array>=0.1 && <0.5) rejecting: deepseq-1.3.0.0, deepseq-1.2.0.1, deepseq-1.2.0.0, deepseq-1.1.0.2, deepseq-1.1.0.1, deepseq-1.1.0.0, deepseq-1.0.0.0 (conflict: distributed-process-platform => deepseq>=1.3.0.1 && <1.4) Dependency tree exhaustively searched.