Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hprotoc (user goal)
rejecting: hprotoc-2.4.0, hprotoc-2.3.1, hprotoc-2.3.0, hprotoc-2.2.0,
hprotoc-2.1.12, hprotoc-2.1.11, hprotoc-2.1.9, hprotoc-2.1.8, hprotoc-2.1.7,
hprotoc-2.1.6, hprotoc-2.1.5, hprotoc-2.1.4, hprotoc-2.1.3, hprotoc-2.1.2,
hprotoc-2.1.0, hprotoc-2.0.17, hprotoc-2.0.15, hprotoc-2.0.14, hprotoc-2.0.13,
hprotoc-2.0.12, hprotoc-2.0.11, hprotoc-2.0.10, hprotoc-2.0.9, hprotoc-2.0.7,
hprotoc-2.0.6, hprotoc-2.0.5, hprotoc-2.0.2, hprotoc-2.0.0, hprotoc-1.8.3,
hprotoc-1.8.2, hprotoc-1.8.1, hprotoc-1.8.0, hprotoc-1.7.9, hprotoc-1.7.1
(constraint from user target requires ==1.7.0)
trying: hprotoc-1.7.0
trying: base-4.9.0.0/installed-4.9... (dependency of hprotoc-1.7.0)
next goal: directory (dependency of hprotoc-1.7.0)
rejecting: directory-1.2.6.2/installed-1.2..., directory-1.3.0.0,
directory-1.2.7.1, directory-1.2.7.0, directory-1.2.6.3, directory-1.2.6.2,
directory-1.2.5.1, directory-1.2.5.0, directory-1.2.4.0, directory-1.2.3.1,
directory-1.2.3.0, directory-1.2.2.1, directory-1.2.2.0, directory-1.2.1.0,
directory-1.2.0.1, directory-1.2.0.0, directory-1.1.0.2, directory-1.1.0.1,
directory-1.1.0.0, directory-1.0.1.2, directory-1.0.1.1, directory-1.0.1.0
(conflict: hprotoc => directory>=1.0.0.1 && <=1.0.0.3)
rejecting: directory-1.0.0.3 (conflict: base==4.9.0.0/installed-4.9...,
directory => base<4.3)
rejecting: directory-1.0.0.0, directory-1.2.6.1 (conflict: hprotoc =>
directory>=1.0.0.1 && <=1.0.0.3)
Dependency tree exhaustively searched.