Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: btree-concurrent (user goal)
rejecting: btree-concurrent-0.1.5, 0.1.4, 0.1.3, 0.1.1 (global constraint
requires ==0.1.0)
trying: btree-concurrent-0.1.0
next goal: cprng-aes (dependency of btree-concurrent-0.1.0)
rejecting: cprng-aes-0.6.1, 0.6.0, 0.5.2, 0.5.1, 0.5.0, 0.4.0, 0.3.4, 0.3.3,
0.3.2, 0.3.1, 0.3.0 (conflict: btree-concurrent => cprng-aes==0.2.*)
trying: cprng-aes-0.2.5
trying: crypto-api-0.13.2 (dependency of cprng-aes-0.2.5)
trying: tagged-0.8.2 (dependency of crypto-api-0.13.2)
trying: tagged-0.8.2:+deepseq
next goal: deepseq (dependency of tagged-0.8.2:+deepseq)
rejecting: deepseq-1.4.1.1/installed-8fb... (conflict: deepseq =>
array==0.5.1.0/installed-d42..., btree-concurrent => array==0.4.*)
trying: deepseq-1.4.1.2
trying: template-haskell-2.10.0.0/installed-90e... (dependency of
tagged-0.8.2)
next goal: pretty (dependency of template-haskell-2.10.0.0/installed-90e...)
rejecting: pretty-1.1.2.0/installed-293... (conflict: deepseq==1.4.1.2, pretty
=> deepseq==1.4.1.1/installed-8fb...)
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...)
Dependency tree exhaustively searched.