Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: shelltestrunner (user goal)
rejecting: shelltestrunner-1.3.5, 1.3.4, 1.3.3, 1.3.2, 1.3.1, 1.3, 1.2.1, 1.2,
1.1, 1.0 (global constraint requires ==0.9)
trying: shelltestrunner-0.9
trying: base-4.7.0.1/installed-e4b... (dependency of shelltestrunner-0.9)
next goal: directory (dependency of shelltestrunner-0.9)
rejecting: directory-1.2.1.0/installed-4c4..., 1.2.2.1, 1.2.2.0, 1.2.1.0,
1.2.0.1, 1.2.0.0, 1.1.0.2, 1.1.0.1, 1.1.0.0 (conflict: shelltestrunner =>
directory==1.0.*)
rejecting: directory-1.0.1.2 (conflict: base==4.7.0.1/installed-e4b...,
directory => base>=4.2 && <4.4)
rejecting: directory-1.0.1.1, 1.0.1.0 (conflict:
base==4.7.0.1/installed-e4b..., directory => base>=4.1 && <4.3)
rejecting: directory-1.0.0.3, 1.0.0.0 (conflict:
base==4.7.0.1/installed-e4b..., directory => base<4.3)
Dependency tree exhaustively searched.