Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hprotoc (user goal)
rejecting: hprotoc-2.1.7, 2.1.6, 2.1.5, 2.1.4, 2.1.3, 2.1.2, 2.1.0, 2.0.17,
2.0.15, 2.0.14, 2.0.13, 2.0.12, 2.0.11, 2.0.10, 2.0.9, 2.0.7, 2.0.6, 2.0.5,
2.0.2, 2.0.0, 1.8.3, 1.8.2, 1.8.1, 1.8.0, 1.7.9, 1.7.1, 1.7.0, 1.6.0, 1.5.1,
1.5.0, 1.4.0, 1.2.2, 1.2.1, 1.0.1, 1.0.0 (global constraint requires ==0.3.1)
trying: hprotoc-0.3.1
trying: base-4.8.1.0/installed-4f7... (dependency of hprotoc-0.3.1)
next goal: protocol-buffers (dependency of hprotoc-0.3.1)
rejecting: protocol-buffers-2.1.7, 2.1.6, 2.1.5, 2.1.4, 2.1.3, 2.1.2, 2.1.1,
2.1.0, 2.0.17, 2.0.14, 2.0.12, 2.0.11, 2.0.10, 2.0.9, 2.0.8, 2.0.7, 2.0.6,
2.0.5, 2.0.2, 2.0.0, 1.8.3, 1.8.2, 1.8.0, 1.7.9, 1.6.0, 1.5.0, 1.4.0, 1.2.2,
1.2.1, 1.0.1, 1.0.0 (conflict: hprotoc => protocol-buffers==0.3.1)
trying: protocol-buffers-0.3.1
rejecting: protocol-buffers-0.3.1:+small_base (conflict:
base==4.8.1.0/installed-4f7..., protocol-buffers-0.3.1:small_base => base>=3
&& <4.3)
rejecting: protocol-buffers-0.3.1:-small_base (conflict:
base==4.8.1.0/installed-4f7..., protocol-buffers-0.3.1:small_base => base<3)
Dependency tree exhaustively searched.