Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: edge (user goal)
rejecting: edge-0.9.1.1, edge-0.9.1.0, edge-0.9.0.2, edge-0.9.0.1,
edge-0.8.20, edge-0.8.18, edge-0.8.16, edge-0.8.14, edge-0.8.12.1,
edge-0.8.12, edge-0.8.10, edge-0.8.8, edge-0.8.6, edge-0.8.4, edge-0.8.2
(constraint from user target requires ==0.8)
trying: edge-0.8
trying: time-1.6.0.1/installed-1.6... (dependency of random-1.0.1.1)
next goal: containers (dependency of edge-0.8)
rejecting: containers-0.5.7.1/installed-0.5..., containers-0.5.9.1,
containers-0.5.8.1, containers-0.5.7.1, containers-0.5.7.0,
containers-0.5.6.3, containers-0.5.6.2, containers-0.5.6.1,
containers-0.5.6.0, containers-0.5.5.1, containers-0.5.5.0,
containers-0.5.4.0, containers-0.5.3.1, containers-0.5.3.0,
containers-0.5.2.1, containers-0.5.2.0, containers-0.5.1.0, containers-0.5.0.0
(conflict: edge => containers>=0.4.2.1 && <0.5)
rejecting: containers-0.4.2.1 (conflict: time =>
deepseq==1.4.2.0/installed-1.4..., containers => deepseq>=1.2 && <1.4)
rejecting: containers-0.4.2.0, containers-0.4.1.0, containers-0.4.0.0,
containers-0.3.0.0, containers-0.2.0.1, containers-0.2.0.0,
containers-0.1.0.1, containers-0.1.0.0 (conflict: edge => containers>=0.4.2.1
&& <0.5)
Dependency tree exhaustively searched.