Resolving dependencies... cabal: Could not resolve dependencies: next goal: uri-conduit (user goal) rejecting: uri-conduit-1.1.1.2, 1.1.1.1, 1.1.1, 1.1.0, 0.5.0.2, 0.5.0.1, 0.5.0, 0.4.0.1, 0.4.0, 0.3.0 (global constraint requires ==0.2.1.1) trying: uri-conduit-0.2.1.1 trying: base-4.8.1.0/installed-4f7... (dependency of uri-conduit-0.2.1.1) trying: system-fileio-0.3.16.3 (dependency of uri-conduit-0.2.1.1) trying: time-1.5.0.1/installed-c20... (dependency of system-fileio-0.3.16.3) next goal: containers (dependency of uri-conduit-0.2.1.1) rejecting: containers-0.5.6.2/installed-2de..., 0.5.6.3, 0.5.6.2, 0.5.6.1, 0.5.6.0, 0.5.5.1, 0.5.5.0, 0.5.4.0, 0.5.3.1, 0.5.3.0, 0.5.2.1, 0.5.2.0, 0.5.1.0, 0.5.0.0 (conflict: uri-conduit => containers>=0.2 && <0.5) rejecting: containers-0.4.2.1 (conflict: time => deepseq==1.4.1.1/installed-8fb..., containers => deepseq>=1.2 && <1.4) rejecting: containers-0.4.2.0 (conflict: time => deepseq==1.4.1.1/installed-8fb..., containers => deepseq>=1.2 && <1.3) rejecting: containers-0.4.1.0 (conflict: base==4.8.1.0/installed-4f7..., containers => base>=4.2 && <4.8) rejecting: containers-0.4.0.0, 0.3.0.0 (conflict: base==4.8.1.0/installed-4f7..., containers => base>=4.2 && <4.7) rejecting: containers-0.2.0.1, 0.2.0.0 (conflict: base==4.8.1.0/installed-4f7..., containers => base<4.7) rejecting: containers-0.1.0.1, 0.1.0.0 (conflict: uri-conduit => containers>=0.2 && <0.5) Dependency tree exhaustively searched.