Resolving dependencies... cabal: Could not resolve dependencies: next goal: newt (user goal) rejecting: newt-0.0.3.1 (global constraint requires ==0.0.3.0) trying: newt-0.0.3.0 next goal: uuid (dependency of newt-0.0.3.0) rejecting: uuid-1.3.10, 1.3.9, 1.3.8, 1.3.7, 1.3.6, 1.3.5, 1.3.4, 1.3.3, 1.3.2, 1.3.1, 1.3.0, 1.2.14, 1.2.13, 1.2.12, 1.2.11, 1.2.10, 1.2.9, 1.2.8, 1.2.7, 1.2.6, 1.2.5, 1.2.4, 1.2.3 (conflict: newt => uuid>=1.2.2 && <1.2.3) trying: uuid-1.2.2 trying: time-1.4.2/installed-bf9... (dependency of uuid-1.2.2) next goal: deepseq (dependency of time-1.4.2/installed-bf9...) rejecting: deepseq-1.3.0.2/installed-733... (conflict: deepseq => array==0.5.0.0/installed-98a..., newt => array>=0.3.0.0 && <0.4.1) rejecting: deepseq-1.4.1.1, 1.4.1.0, 1.4.0.0, 1.3.0.2, 1.3.0.1, 1.3.0.0, 1.2.0.1, 1.2.0.0, 1.1.0.2, 1.1.0.1, 1.1.0.0, 1.0.0.0 (conflict: time => deepseq==1.3.0.2/installed-733...) Dependency tree exhaustively searched.