Resolving dependencies... cabal: Could not resolve dependencies: next goal: tamarin-prover-utils (user goal) rejecting: tamarin-prover-utils-0.8.5.1, tamarin-prover-utils-0.8.5.0, tamarin-prover-utils-0.8.4.0, tamarin-prover-utils-0.8.2.0, tamarin-prover-utils-0.8.1.0, tamarin-prover-utils-0.8.0.1, tamarin-prover-utils-0.8.0.0, tamarin-prover-utils-0.6.0.0, tamarin-prover-utils-0.4.1.0, tamarin-prover-utils-0.4.0.0 (constraint from user target requires ==0.1.0.0) trying: tamarin-prover-utils-0.1.0.0 trying: base-4.9.0.0/installed-4.9... (dependency of tamarin-prover-utils-0.1.0.0) next goal: binary (dependency of tamarin-prover-utils-0.1.0.0) rejecting: binary-0.8.3.0/installed-0.8..., binary-0.8.4.1, binary-0.8.4.0, binary-0.8.3.0, binary-0.8.2.1, binary-0.8.2.0, binary-0.8.1.0, binary-0.8.0.1, binary-0.8.0.0, binary-0.7.6.1, binary-0.7.6.0, binary-0.7.5.0, binary-0.7.4.0, binary-0.7.3.0, binary-0.7.2.3, binary-0.7.2.2, binary-0.7.2.1, binary-0.7.2.0, binary-0.7.1.0, binary-0.7.0.1, binary-0.7.0.0, binary-0.6.4.0, binary-0.6.3.0, binary-0.6.2.0, binary-0.6.1.0, binary-0.6.0.0 (conflict: tamarin-prover-utils => binary==0.5.*) rejecting: binary-0.5.1.1, binary-0.5.1.0, binary-0.5.0.2, binary-0.5.0.1, binary-0.5 (conflict: base==4.9.0.0/installed-4.9..., binary => base>=3.0 && <4.7 || <3.0) rejecting: binary-0.4.5, binary-0.4.4, binary-0.4.3.1, binary-0.4.3, binary-0.4.2, binary-0.4.1, binary-0.4, binary-0.3, binary-0.2 (conflict: tamarin-prover-utils => binary==0.5.*) Dependency tree exhaustively searched.