Resolving dependencies... cabal: Could not resolve dependencies: next goal: mysnapsession-example (user goal) rejecting: mysnapsession-example-0.4, 0.3.1, 0.3, 0.2 (global constraint requires ==0.1) trying: mysnapsession-example-0.1 next goal: mysnapsession (dependency of mysnapsession-example-0.1) rejecting: mysnapsession-0.4.1, 0.4, 0.3.1, 0.3, 0.2 (conflict: mysnapsession-example => mysnapsession==0.1.*) trying: mysnapsession-0.1.2 next goal: containers (dependency of mysnapsession-0.1.2) 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: mysnapsession => containers>=0.3 && <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: snap-server (dependency of mysnapsession-example-0.1) rejecting: snap-server-0.9.5.1, 0.9.5.0, 0.9.4.6, 0.9.4.5, 0.9.4.4, 0.9.4.3, 0.9.4.2, 0.9.4.1, 0.9.4.0, 0.9.3.4, 0.9.3.3, 0.9.3.1, 0.9.3, 0.9.2.4, 0.9.2.3, 0.9.2.2, 0.9.2.1, 0.9.2, 0.9.0, 0.8.1.1, 0.8.1, 0.8.0.1, 0.8.0, 0.7.0.1, 0.7, 0.6.0.1, 0.6.0, 0.5.5, 0.5.4, 0.5.3.1, 0.5.3, 0.5.2, 0.5.1.4, 0.5.1.3, 0.5.1.2, 0.5.1.1, 0.5.1, 0.5.0, 0.4.3, 0.4.2, 0.4.1, 0.4.0.2, 0.4.0.1, 0.4.0 (conflict: mysnapsession-example => snap-server>=0.3 && <0.4) rejecting: snap-server-0.3.1.1, 0.3.1, 0.3.0 (conflict: deepseq => array==0.5.0.0/installed-98a..., snap-server => array>=0.2 && <0.4) rejecting: snap-server-0.2.16.2, 0.2.16.1, 0.2.16, 0.2.15.1, 0.2.15, 0.2.14.1, 0.2.14, 0.2.13.3, 0.2.13.2, 0.2.13.1, 0.2.13, 0.2.12, 0.2.11, 0.2.10.2, 0.2.10.1, 0.2.10, 0.2.9, 0.2.8.1, 0.2.8, 0.2.7.2, 0.2.7.1, 0.2.7, 0.2.6, 0.2.5, 0.2.4, 0.2.2, 0.2.1, 0.1.4, 0.1.3, 0.1.2, 0.1.1 (conflict: mysnapsession-example => snap-server>=0.3 && <0.4) Dependency tree exhaustively searched.