Resolving dependencies... cabal: Could not resolve dependencies: trying: git-annex-6.20170519 (user goal) trying: base-4.9.0.0/installed-4.9... (dependency of git-annex-6.20170519) next goal: persistent (dependency of git-annex-6.20170519) rejecting: persistent-2.7.0, persistent-2.6.1, persistent-2.6, persistent-2.5, persistent-2.2.4.1, persistent-2.2.4, persistent-2.2.3, persistent-2.2.2.1, persistent-2.2.2, persistent-2.2.1, persistent-2.2, persistent-2.1.6, persistent-2.1.5, persistent-2.1.4, persistent-2.1.3, persistent-2.1.2, persistent-2.1.1.7, persistent-2.1.1.6, persistent-2.1.1.5, persistent-2.1.1.4, persistent-2.1.1.3, persistent-2.1.1.2, persistent-2.1.1.1, persistent-2.1.1, persistent-2.1.0.2, persistent-2.1.0.1, persistent-2.1 (conflict: persistent-template => persistent>=1.3 && <1.4) rejecting: persistent-1.3.3, persistent-1.3.2, persistent-1.3.1.1, persistent-1.3.1, persistent-1.3.0.6, persistent-1.3.0.5, persistent-1.3.0.4 (conflict: base==4.9.0.0/installed-4.9..., persistent => base>=4.5 && <4.8) trying: persistent-1.3.0.3 next goal: esqueleto (dependency of git-annex-6.20170519) rejecting: esqueleto-2.5.1 (conflict: persistent==1.3.0.3, esqueleto => persistent>=2.5 && <2.7) rejecting: esqueleto-2.5.0 (conflict: base==4.9.0.0/installed-4.9..., esqueleto => base>=4.8 && <4.9) rejecting: esqueleto-2.4.3 (conflict: persistent==1.3.0.3, esqueleto => persistent>=2.1.1.7 && <2.3) rejecting: esqueleto-2.4.2, esqueleto-2.4.1, esqueleto-2.4.0, esqueleto-2.3.0, esqueleto-2.2.12, esqueleto-2.2.11, esqueleto-2.2.10, esqueleto-2.2.9, esqueleto-2.2.8, esqueleto-2.2.7, esqueleto-2.2.6, esqueleto-2.2.5, esqueleto-2.2.4, esqueleto-2.2.3, esqueleto-2.2.2, esqueleto-2.2.1, esqueleto-2.2, esqueleto-2.1.3, esqueleto-2.1.2.3 (conflict: base==4.9.0.0/installed-4.9..., esqueleto => base>=4.5 && <4.9) rejecting: esqueleto-2.1.2.2, esqueleto-2.1.2.1, esqueleto-2.1.2, esqueleto-2.1.1, esqueleto-2.1.0, esqueleto-2.0.3, esqueleto-2.0.2, esqueleto-2.0.1, esqueleto-2.0.0, esqueleto-1.4.4, esqueleto-1.4.3, esqueleto-1.4.2, esqueleto-1.4.1.3, esqueleto-1.4.1.2, esqueleto-1.4.1, esqueleto-1.4, esqueleto-1.3.12, esqueleto-1.3.11, esqueleto-1.3.10, esqueleto-1.3.9, esqueleto-1.3.8, esqueleto-1.3.7, esqueleto-1.3.6, esqueleto-1.3.5, esqueleto-1.3.4.6 (conflict: base==4.9.0.0/installed-4.9..., esqueleto => base>=4.5 && <4.8) rejecting: esqueleto-1.3.4.5, esqueleto-1.3.4.4, esqueleto-1.3.4.3, esqueleto-1.3.4.2, esqueleto-1.3.4, esqueleto-1.3.3, esqueleto-1.3.2, esqueleto-1.3.1, esqueleto-1.3, esqueleto-1.2.4, esqueleto-1.2.3, esqueleto-1.2.2.1, esqueleto-1.2.2, esqueleto-1.2.1, esqueleto-1.2, esqueleto-1.0.8, esqueleto-1.0.7, esqueleto-1.0.6, esqueleto-1.0.5, esqueleto-1.0.3, esqueleto-1.0.2, esqueleto-1.0.1, esqueleto-1.0, esqueleto-0.2.9, esqueleto-0.2.8, esqueleto-0.2.7 (conflict: base==4.9.0.0/installed-4.9..., esqueleto => base>=4.5 && <4.7) rejecting: esqueleto-0.2.6, esqueleto-0.2.5, esqueleto-0.2.4, esqueleto-0.2.3, esqueleto-0.2.2, esqueleto-0.2.1, esqueleto-0.2, esqueleto-0.1 (conflict: base==4.9.0.0/installed-4.9..., esqueleto => base==4.5.*) rejecting: esqueleto-1.4.1.1 (conflict: base==4.9.0.0/installed-4.9..., esqueleto => base>=4.5 && <4.8) Backjump limit reached (currently 2000, change with --max-backjumps or try to run with --reorder-goals).