Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: statistics (user goal)
rejecting: statistics-0.13.2.3, 0.13.2.2, 0.13.2.1, 0.13.2.0, 0.13.1.1,
0.13.1.0, 0.12.0.0, 0.11.0.3, 0.11.0.2, 0.11.0.1, 0.11.0.0, 0.10.5.2,
0.10.5.1, 0.10.5.0, 0.10.4.1, 0.10.4.0, 0.10.3.1 (global constraint requires
==0.10.3.0)
trying: statistics-0.10.3.0
trying: math-functions-0.1.5.2 (dependency of statistics-0.10.3.0)
trying: vector-th-unbox-0.2.1.3 (dependency of math-functions-0.1.5.2)
trying: template-haskell-2.10.0.0/installed-90e... (dependency of
vector-th-unbox-0.2.1.3)
next goal: pretty (dependency of template-haskell-2.10.0.0/installed-90e...)
rejecting: pretty-1.1.2.0/installed-293... (conflict: pretty =>
deepseq==1.4.1.1/installed-8fb..., statistics => deepseq>=1.1.0.2 && <1.4)
rejecting: pretty-1.1.3.2, 1.1.3.1, 1.1.2.1, 1.1.2.0, 1.1.1.3, 1.1.1.2,
1.1.1.1, 1.1.1.0, 1.1.0.0, 1.0.1.2, 1.0.1.1, 1.0.1.0, 1.0.0.0 (conflict:
template-haskell => pretty==1.1.2.0/installed-293...)
Backjump limit reached (change with --max-backjumps).