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-4.7.0.1/installed-e4b... (dependency of GPipe-Collada-0.1.2)
next goal: GPipe (dependency of GPipe-Collada-0.1.2)
rejecting: GPipe-1.4.1, 1.4 (conflict: Vec==0.9.8, GPipe => Vec==1.0.1)
rejecting: GPipe-1.3.2 (conflict: Vec==0.9.8, GPipe => Vec==0.9.9)
trying: GPipe-1.3.1
next goal: list-tries (dependency of GPipe-1.3.1)
rejecting: list-tries-0.6.1, 0.6.0, 0.5.2, 0.5.1, 0.5 (conflict: GPipe =>
list-tries>=0.4.1 && <0.5)
rejecting: list-tries-0.4.3 (conflict: base==4.7.0.1/installed-e4b...,
list-tries => base>=3 && <4.7)
rejecting: list-tries-0.4.2 (conflict: base==4.7.0.1/installed-e4b...,
list-tries => base>=3 && <4.6)
rejecting: list-tries-0.4.1 (conflict: base==4.7.0.1/installed-e4b...,
list-tries => base>=3 && <4.4)
rejecting: list-tries-0.4, 0.3, 0.2, 0.1, 0.0 (conflict: GPipe =>
list-tries>=0.4.1 && <0.5)
Dependency tree exhaustively searched.