Resolving dependencies... cabal: Could not resolve dependencies: trying: base-4.9.0.0/installed-4.9... (dependency of Elm-0.1.1.5) next goal: happstack-server (dependency of Elm-0.1.1.5) rejecting: happstack-server-7.4.6.2, happstack-server-7.4.6.1, happstack-server-7.4.6, happstack-server-7.4.5, happstack-server-7.4.4, happstack-server-7.4.3, happstack-server-7.4.2, happstack-server-7.4.1, happstack-server-7.4.0, happstack-server-7.3.9, happstack-server-7.3.8, happstack-server-7.3.7, happstack-server-7.3.6, happstack-server-7.3.5, happstack-server-7.3.4, happstack-server-7.3.3, happstack-server-7.3.2, happstack-server-7.3.1, happstack-server-7.3.0, happstack-server-7.1.7.1, happstack-server-7.1.7, happstack-server-7.1.6, happstack-server-7.1.5, happstack-server-7.1.4, happstack-server-7.1.3, happstack-server-7.1.2, happstack-server-7.1.1, happstack-server-7.1.0, happstack-server-7.0.7, happstack-server-7.0.6, happstack-server-7.0.5, happstack-server-7.0.4, happstack-server-7.0.3 (conflict: Elm => happstack-server==7.0.2) trying: happstack-server-7.0.2 trying: pretty-1.1.3.3/installed-1.1... (dependency of template-haskell-2.11.0.0/installed-2.1...) next goal: text (dependency of happstack-server-7.0.2) rejecting: text-1.2.2.1, text-1.2.2.0, text-1.2.1.3, text-1.2.1.2, text-1.2.1.1, text-1.2.1.0, text-1.2.0.6, text-1.2.0.5, text-1.2.0.4, text-1.2.0.3, text-1.2.0.2, text-1.2.0.0, text-1.1.1.4, text-1.1.1.3, text-1.1.1.2, text-1.1.1.1, text-1.1.1.0, text-1.1.0.1, text-1.1.0.0, text-1.0.0.1, text-1.0.0.0 (conflict: happstack-server => text>=0.10 && <0.12) rejecting: text-0.11.3.1, text-0.11.3.0, text-0.11.2.3, text-0.11.2.2, text-0.11.2.1, text-0.11.2.0, text-0.11.1.13, text-0.11.1.12, text-0.11.1.11, text-0.11.1.10, text-0.11.1.9, text-0.11.1.8, text-0.11.1.7, text-0.11.1.6, text-0.11.1.5, text-0.11.1.3, text-0.11.1.2, text-0.11.1.1 (conflict: pretty => deepseq==1.4.2.0/installed-1.4..., text => deepseq>=1.1.0.0 && <1.4) rejecting: text-0.11.1.0 (conflict: base==4.9.0.0/installed-4.9..., text => base<0) rejecting: text-0.11.0.8, text-0.11.0.7 (conflict: base==4.9.0.0/installed-4.9..., text => base<4.6) rejecting: text-0.11.0.6, text-0.11.0.5 (conflict: base==4.9.0.0/installed-4.9..., text => base<4.4) rejecting: text-0.11.0.4 (conflict: base==4.9.0.0/installed-4.9..., text => base<0) rejecting: text-0.11.0.3, text-0.11.0.2, text-0.11.0.1, text-0.11.0.0, text-0.10.0.2, text-0.10.0.1, text-0.10.0.0 (conflict: base==4.9.0.0/installed-4.9..., text => base<4.4) rejecting: text-0.9.1.0, text-0.9.0.1, text-0.9.0.0, text-0.8.1.0, text-0.8.0.0, text-0.7.2.1, text-0.7.1.0, text-0.7.0.1, text-0.7, text-0.6, text-0.5, text-0.4, text-0.3, text-0.2, text-0.1 (conflict: happstack-server => text>=0.10 && <0.12) Dependency tree exhaustively searched.