Resolving dependencies... cabal: Could not resolve dependencies: trying: base-4.9.0.0/installed-4.9... (dependency of leaky-0.1.6.0) next goal: seqaid (dependency of leaky-0.1.6.0) rejecting: seqaid-0.4.0.0, seqaid-0.3.0.1, seqaid-0.3.0.0, seqaid-0.2.1.1, seqaid-0.2.1.0, seqaid-0.2.0.0, seqaid-0.1.7.0 (conflict: leaky => seqaid==0.1.6.*) trying: seqaid-0.1.6.0 next goal: process (dependency of seqaid-0.1.6.0) rejecting: process-1.4.2.0/installed-1.4..., process-1.4.3.0, process-1.4.2.0, process-1.4.1.0, process-1.4.0.0, process-1.3.0.0 (conflict: seqaid => process==1.2.*) rejecting: process-1.2.3.0, process-1.2.2.0, process-1.2.1.0 (conflict: base==4.9.0.0/installed-4.9..., process => base>=4.4 && <4.9) rejecting: process-1.2.0.0 (conflict: base==4.9.0.0/installed-4.9..., process => base>=4.4 && <4.8) rejecting: process-1.1.0.2, process-1.1.0.1, process-1.1.0.0, process-1.0.1.5, process-1.0.1.4, process-1.0.1.3, process-1.0.1.2, process-1.0.1.1, process-1.0.0.0 (conflict: seqaid => process==1.2.*) Dependency tree exhaustively searched.