Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: mathblog (user goal)
rejecting: mathblog-0.6, mathblog-0.5 (constraint from user target requires
==0.4)
trying: mathblog-0.4
trying: base-4.9.0.0/installed-4.9... (dependency of mathblog-0.4)
next goal: test-framework (dependency of mathblog-0.4)
rejecting: test-framework-0.8.1.1, test-framework-0.8.1.0,
test-framework-0.8.0.3, test-framework-0.8.0.2, test-framework-0.8.0.1,
test-framework-0.8, test-framework-0.7.0, test-framework-0.6.2,
test-framework-0.6.1, test-framework-0.6, test-framework-0.5,
test-framework-0.4.2.3, test-framework-0.4.2.2, test-framework-0.4.2.1,
test-framework-0.4.2.0, test-framework-0.4.1.1, test-framework-0.4.1,
test-framework-0.4.0 (conflict: mathblog => test-framework>=0.3.3 && <0.4)
rejecting: test-framework-0.3.3 (conflict: base==4.9.0.0/installed-4.9...,
test-framework => base>=3 && <4.5 || <3)
rejecting: test-framework-0.3.2, test-framework-0.3.1, test-framework-0.3.0,
test-framework-0.2.4, test-framework-0.2.3, test-framework-0.2.2,
test-framework-0.2.1, test-framework-0.2.0, test-framework-0.1.2,
test-framework-0.1.1, test-framework-0.1 (conflict: mathblog =>
test-framework>=0.3.3 && <0.4)
Dependency tree exhaustively searched.