Resolving dependencies... cabal: Could not resolve dependencies: next goal: Agda-executable (user goal) rejecting: Agda-executable-2.3.0.1, Agda-executable-2.3.0 (constraint from user target requires ==2.2.10) trying: Agda-executable-2.2.10 trying: base-4.9.0.0/installed-4.9... (dependency of Agda-executable-2.2.10) next goal: Agda (dependency of Agda-executable-2.2.10) rejecting: Agda-2.5.2, Agda-2.5.1.2, Agda-2.5.1.1, Agda-2.5.1, Agda-2.4.2.5, Agda-2.4.2.4, Agda-2.4.2.3, Agda-2.4.2.2, Agda-2.4.2.1, Agda-2.4.2, Agda-2.4.0.2, Agda-2.4.0.1, Agda-2.4.0, Agda-2.3.2.2, Agda-2.3.2.1, Agda-2.3.2, Agda-2.3.0.1, Agda-2.3.0 (conflict: Agda-executable => Agda==2.2.10) rejecting: Agda-2.2.10 (conflict: base==4.9.0.0/installed-4.9..., Agda => base>=4.2 && <4.4 || ==4.1.*) rejecting: Agda-2.2.8, Agda-2.2.6, Agda-2.2.4, Agda-2.2.2, Agda-2.2.0 (conflict: Agda-executable => Agda==2.2.10) Dependency tree exhaustively searched.