Resolving dependencies...
cabal: Could not resolve dependencies:
trying: python-pickle-0.2.0 (user goal)
trying: base-4.8.1.0/installed-4f7... (dependency of python-pickle-0.2.0)
next goal: cmdargs (dependency of python-pickle-0.2.0)
rejecting: cmdargs-0.10.13, 0.10.12, 0.10.11, 0.10.10, 0.10.9, 0.10.8, 0.10.7,
0.10.6, 0.10.5, 0.10.4, 0.10.3, 0.10.2, 0.10.1, 0.10 (conflict: python-pickle
=> cmdargs==0.9.*)
trying: cmdargs-0.9.7
next goal: process (dependency of cmdargs-0.9.7)
rejecting: process-1.2.3.0/installed-f02..., 1.3.0.0, 1.2.3.0, 1.2.2.0,
1.2.1.0, 1.2.0.0 (conflict: cmdargs => process>=1.0 && <1.2)
trying: process-1.1.0.2
next goal: deepseq (dependency of process-1.1.0.2)
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: process => deepseq>=1.1 && <1.4)
rejecting: deepseq-1.3.0.2 (conflict: base==4.8.1.0/installed-4f7..., deepseq
=> base>=4.3 && <4.8)
trying: deepseq-1.3.0.1
next goal: array (dependency of deepseq-1.3.0.1)
rejecting: array-0.5.1.0/installed-d42..., 0.5.1.0, 0.5.0.0 (conflict: deepseq
=> array>=0.1 && <0.5)
rejecting: array-0.4.0.1 (conflict: base==4.8.1.0/installed-4f7..., array =>
base>=4.2 && <4.7)
rejecting: array-0.4.0.0 (conflict: base==4.8.1.0/installed-4f7..., array =>
base>=4.2 && <4.6)
rejecting: array-0.3.0.3 (conflict: base==4.8.1.0/installed-4f7..., array =>
base>=4.2 && <4.5)
rejecting: array-0.3.0.2, 0.3.0.1 (conflict: base==4.8.1.0/installed-4f7...,
array => base>=4.2 && <4.4)
rejecting: array-0.3.0.0 (conflict: base==4.8.1.0/installed-4f7..., array =>
base>=3 && <4.4)
rejecting: array-0.2.0.0, 0.1.0.0 (conflict: base==4.8.1.0/installed-4f7...,
array => base<4.3)
Dependency tree exhaustively searched.