Resolving dependencies... cabal: Could not resolve dependencies: next goal: couchdb-conduit (user goal) rejecting: couchdb-conduit-0.10.6, couchdb-conduit-0.10.5, couchdb-conduit-0.10.4, couchdb-conduit-0.10.3, couchdb-conduit-0.10.2, couchdb-conduit-0.10.1, couchdb-conduit-0.10.0, couchdb-conduit-0.9.0, couchdb-conduit-0.8.3, couchdb-conduit-0.8.2, couchdb-conduit-0.8.1, couchdb-conduit-0.8.0, couchdb-conduit-0.7.6, couchdb-conduit-0.7.4, couchdb-conduit-0.7.3, couchdb-conduit-0.7.2, couchdb-conduit-0.7.1, couchdb-conduit-0.7.0, couchdb-conduit-0.6.0, couchdb-conduit-0.5.3, couchdb-conduit-0.5.2, couchdb-conduit-0.5.1, couchdb-conduit-0.5.0, couchdb-conduit-0.4.2, couchdb-conduit-0.4.1, couchdb-conduit-0.4.0, couchdb-conduit-0.3.0.1, couchdb-conduit-0.3.0.0 (constraint from user target requires ==0.2.1.2) trying: couchdb-conduit-0.2.1.2 trying: base-4.9.0.0/installed-4.9... (dependency of couchdb-conduit-0.2.1.2) next goal: unordered-containers (dependency of couchdb-conduit-0.2.1.2) rejecting: unordered-containers-0.2.7.2, unordered-containers-0.2.7.1, unordered-containers-0.2.7.0, unordered-containers-0.2.6.0, unordered-containers-0.2.5.1, unordered-containers-0.2.5.0, unordered-containers-0.2.4.0, unordered-containers-0.2.3.3, unordered-containers-0.2.3.2, unordered-containers-0.2.3.1, unordered-containers-0.2.3.0, unordered-containers-0.2.2.1, unordered-containers-0.2.2.0, unordered-containers-0.2.1.0, unordered-containers-0.2.0.1, unordered-containers-0.2.0.0 (conflict: couchdb-conduit => unordered-containers>=0.1 && <0.2) rejecting: unordered-containers-0.1.4.6, unordered-containers-0.1.4.5, unordered-containers-0.1.4.4 (conflict: base==4.9.0.0/installed-4.9..., unordered-containers => base>=4 && <4.6) rejecting: unordered-containers-0.1.4.3 (conflict: base==4.9.0.0/installed-4.9..., unordered-containers => base>=4 && <4.5) rejecting: unordered-containers-0.1.4.2 (conflict: base==4.9.0.0/installed-4.9..., unordered-containers => base<4.5) rejecting: unordered-containers-0.1.4.1, unordered-containers-0.1.4.0, unordered-containers-0.1.3.0, unordered-containers-0.1.2.0, unordered-containers-0.1.1.0, unordered-containers-0.1.0.0 (conflict: base==4.9.0.0/installed-4.9..., unordered-containers => base<4.4) Dependency tree exhaustively searched.