Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: GPipe-Collada (user goal)
rejecting: GPipe-Collada-0.1.4, 0.1.3 (global constraint requires ==0.1.2)
trying: GPipe-Collada-0.1.2
trying: base-4.8.1.0/installed-4f7... (dependency of GPipe-Collada-0.1.2)
trying: array-0.5.1.0/installed-d42... (dependency of GPipe-Collada-0.1.2)
next goal: containers (dependency of GPipe-Collada-0.1.2)
rejecting: containers-0.5.6.2/installed-2de..., 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: GPipe-Collada => containers>=0.4 && <0.5)
trying: containers-0.4.2.1
next goal: deepseq (dependency of containers-0.4.2.1)
rejecting: deepseq-1.4.1.1/installed-8fb..., 1.4.1.2, 1.4.1.1, 1.4.1.0,
1.4.0.0 (conflict: containers => deepseq>=1.2 && <1.4)
rejecting: deepseq-1.3.0.2 (conflict: base==4.8.1.0/installed-4f7..., deepseq
=> base>=4.3 && <4.8)
rejecting: deepseq-1.3.0.1, 1.3.0.0 (conflict:
array==0.5.1.0/installed-d42..., deepseq => array>=0.1 && <0.5)
rejecting: deepseq-1.2.0.1 (conflict: array==0.5.1.0/installed-d42..., deepseq
=> array>=0.1 && <0.4)
rejecting: deepseq-1.2.0.0 (conflict: base==4.8.1.0/installed-4f7..., deepseq
=> base>=3 && <4.4)
rejecting: deepseq-1.1.0.2, 1.1.0.1, 1.1.0.0, 1.0.0.0 (conflict: containers =>
deepseq>=1.2 && <1.4)
Dependency tree exhaustively searched.