Resolving dependencies... cabal: Could not resolve dependencies: next goal: midimory (user goal) rejecting: midimory-0.0.0.2 (global constraint requires ==0.0.0.1) trying: midimory-0.0.0.1 next goal: containers (dependency of midimory-0.0.0.1) rejecting: containers-0.5.5.1/installed-23e..., 0.5.6.3, 0.5.6.2, 0.5.6.1, 0.5.6.0, 0.5.5.1, 0.5.5.0, 0.5.4.0, 0.5.3.1, 0.5.3.0, 0.5.2.1, 0.5.2.0, 0.5.1.0, 0.5.0.0 (conflict: midimory => containers>=0.2 && <0.5) trying: containers-0.4.2.1 trying: deepseq-1.3.0.2/installed-733... (dependency of containers-0.4.2.1) next goal: wxcore (dependency of midimory-0.0.0.1) rejecting: wxcore-0.91.0.0, 0.90.1.1, 0.90.1.0, 0.90.0.3, 0.90.0.1, 0.90, 0.13.2.3, 0.13.2.1, 0.13.2 (conflict: midimory => wxcore>=0.12.1.6 && <0.13) trying: wxcore-0.12.1.7 rejecting: wxcore-0.12.1.7:+splitbase (conflict: deepseq => array==0.5.0.0/installed-98a..., wxcore-0.12.1.7:splitbase => array>=0.2 && <0.4) rejecting: wxcore-0.12.1.7:-splitbase (conflict: deepseq => array==0.5.0.0/installed-98a..., wxcore-0.12.1.7:splitbase => array>=0.1 && <0.3) Dependency tree exhaustively searched.