Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: boomslang (user goal)
rejecting: boomslang-0.0.4, 0.0.3, 0.0.2 (global constraint requires ==0.0.1)
trying: boomslang-0.0.1
trying: base-4.8.1.0/installed-4f7... (dependency of boomslang-0.0.1)
next goal: template-haskell (dependency of boomslang-0.0.1)
rejecting: template-haskell-2.10.0.0/installed-90e..., 2.10.0.0, 2.9.0.0,
2.8.0.0, 2.7.0.0, 2.6.0.0, 2.5.0.0, 2.4.0.1, 2.4.0.0 (conflict: boomslang =>
template-haskell==2.3.*)
rejecting: template-haskell-2.3.0.1, 2.3.0.0 (conflict:
base==4.8.1.0/installed-4f7..., template-haskell => base<4.3)
rejecting: template-haskell-2.2.0.0 (conflict: boomslang =>
template-haskell==2.3.*)
Dependency tree exhaustively searched.