Resolving dependencies... cabal: Could not resolve dependencies: next goal: regex-genex (user goal) rejecting: regex-genex-0.6.2, 0.6.1, 0.6.0, 0.5.1 (global constraint requires ==0.5.0) trying: regex-genex-0.5.0 trying: text-1.2.1.1 (dependency of regex-genex-0.5.0) trying: deepseq-1.3.0.2/installed-733... (dependency of text-1.2.1.1) next goal: sbv (dependency of regex-genex-0.5.0) rejecting: sbv-4.4, 4.3, 4.2, 4.1, 4.0, 3.5, 3.4, 3.3, 3.2, 3.1, 3.0, 2.10, 2.9, 2.8, 2.7, 2.6, 2.5, 2.4 (conflict: regex-genex => sbv==2.3) rejecting: sbv-2.3 (conflict: deepseq => array==0.5.0.0/installed-98a..., sbv => array==0.4.0.0) rejecting: sbv-2.2, 2.1, 2.0, 1.4, 1.3, 1.2, 1.1, 1.0, 0.9.24, 0.9.23, 0.9.22, 0.9.21, 0.9.20, 0.9.19, 0.9.18, 0.9.17, 0.9.16, 0.9.15, 0.9.14, 0.9.13, 0.9.12, 0.9.11, 0.9.10, 0.9.9, 0.9.8, 0.9.7, 0.9.6, 0.9.5, 0.9.4, 0.9.3, 0.9.2, 0.9.1, 0.9 (conflict: regex-genex => sbv==2.3) Dependency tree exhaustively searched.