Resolving dependencies... cabal: Could not resolve dependencies: next goal: warp-static (user goal) rejecting: warp-static-2.0.1.1, 2.0.1, 2.0.0.1, 2.0.0, 1.3.0.1, 1.3.0 (global constraint requires ==1.2.0.2) trying: warp-static-1.2.0.2 trying: bytestring-0.10.4.0/installed-9f4... (dependency of warp-static-1.2.0.2) trying: directory-1.2.1.0/installed-4c4... (dependency of warp-static-1.2.0.2) next goal: wai-extra (dependency of warp-static-1.2.0.2) rejecting: wai-extra-3.0.7.1, 3.0.7, 3.0.6.1, 3.0.6, 3.0.5, 3.0.4.6, 3.0.4.5, 3.0.4.4, 3.0.4.3, 3.0.4.2, 3.0.4.1, 3.0.4, 3.0.3.2, 3.0.3.1, 3.0.3, 3.0.2.2, 3.0.2.1, 3.0.2, 3.0.1.2, 3.0.1.1, 3.0.1, 3.0.0.1, 3.0.0, 2.1.1.3, 2.1.1.2, 2.1.1.1, 2.1.1, 2.1.0.1, 2.1.0, 2.0.3.3, 2.0.3.2, 2.0.3.1, 2.0.3, 2.0.2, 2.0.1.2, 2.0.1.1, 2.0.1, 2.0.0.1, 2.0.0, 1.3.4.6, 1.3.4.5, 1.3.4.4, 1.3.4.3, 1.3.4.2, 1.3.4.1, 1.3.4, 1.3.3.2, 1.3.3.1, 1.3.3, 1.3.2.4, 1.3.2.3, 1.3.2.2, 1.3.2.1, 1.3.2, 1.3.1.1, 1.3.1, 1.3.0.5, 1.3.0.4, 1.3.0.3, 1.3.0.2, 1.3.0.1, 1.3.0 (conflict: warp-static => wai-extra>=1.2 && <1.3) rejecting: wai-extra-1.2.0.6, 1.2.0.5, 1.2.0.4 (conflict: directory==1.2.1.0/installed-4c4..., wai-extra => directory>=1.0.1 && <1.2) rejecting: wai-extra-1.2.0.3, 1.2.0.2, 1.2.0.1, 1.2.0 (conflict: bytestring==0.10.4.0/installed-9f4..., wai-extra => bytestring>=0.9.1.4 && <0.10) rejecting: wai-extra-1.1.0.1, 1.1.0, 1.0.0.1, 1.0.0, 0.4.6, 0.4.5.2, 0.4.5.1, 0.4.5, 0.4.4, 0.4.3, 0.4.2, 0.4.1.2, 0.4.1.1, 0.4.0.3, 0.4.0.2, 0.4.0.1, 0.4.0, 0.3.3, 0.3.2.1, 0.3.2, 0.3.1, 0.3.0, 0.2.4.2, 0.2.4.1, 0.2.4, 0.2.3, 0.2.2.2, 0.2.2.1, 0.2.2, 0.2.1, 0.2.0, 0.1.3.1, 0.1.3, 0.1.2.1, 0.1.2, 0.1.1, 0.1.0, 0.0.0.2, 0.0.0.1, 0.0.0 (conflict: warp-static => wai-extra>=1.2 && <1.3) Dependency tree exhaustively searched.