Resolving dependencies... cabal: Could not resolve dependencies: next goal: console-program (user goal) rejecting: console-program-0.4.2.0, console-program-0.4.1.0, console-program-0.4.0.3, console-program-0.3.2.0, console-program-0.3.1.4, console-program-0.3.1.3, console-program-0.3.1.2, console-program-0.3.1.1, console-program-0.3.1.0, console-program-0.3.0.1, console-program-0.3.0.0, console-program-0.2.0.1, console-program-0.2.0.0, console-program-0.1.0.2, console-program-0.1.0.1 (constraint from user target requires ==0.1.0.0) trying: console-program-0.1.0.0 trying: base-4.9.0.0/installed-4.9... (dependency of console-program-0.1.0.0) next goal: ansi-wl-pprint (dependency of console-program-0.1.0.0) rejecting: ansi-wl-pprint-0.6.7.3, ansi-wl-pprint-0.6.7.2, ansi-wl-pprint-0.6.7.1, ansi-wl-pprint-0.6.7, ansi-wl-pprint-0.6.6, ansi-wl-pprint-0.6.4, ansi-wl-pprint-0.6.3, ansi-wl-pprint-0.6.2, ansi-wl-pprint-0.6.1 (conflict: console-program => ansi-wl-pprint==0.5.*) rejecting: ansi-wl-pprint-0.5.1, ansi-wl-pprint-0.5.0 (conflict: base==4.9.0.0/installed-4.9..., ansi-wl-pprint => base>=3 && <4.8 || <3) rejecting: ansi-wl-pprint-0.4.0, ansi-wl-pprint-0.3.1, ansi-wl-pprint-0.3.0, ansi-wl-pprint-0.2, ansi-wl-pprint-0.1 (conflict: console-program => ansi-wl-pprint==0.5.*) Dependency tree exhaustively searched.