Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: vacuum (user goal)
rejecting: vacuum-2.2.0.0, 2.1.0.1, 2.1.0.0, 2.0.0.0, 1.0.0.2, 1.0.0.1, 1.0.0,
0.0.95, 0.0.94, 0.0.93, 0.0.92, 0.0.91, 0.0.9, 0.0.8, 0.0.7, 0.0.6, 0.0.5.1,
0.0.5 (global constraint requires ==0.0.4)
trying: vacuum-0.0.4
trying: base-4.8.1.0/installed-4f7... (dependency of vacuum-0.0.4)
next goal: Cabal (dependency of vacuum-0.0.4)
rejecting: Cabal-1.22.4.0/installed-43c..., 1.22.4.0, 1.22.3.0, 1.22.2.0,
1.22.1.1, 1.22.1.0, 1.22.0.0, 1.20.0.3, 1.20.0.2, 1.20.0.1, 1.20.0.0,
1.18.1.6, 1.18.1.5, 1.18.1.4, 1.18.1.3, 1.18.1.2, 1.18.1.1, 1.18.1, 1.18.0,
1.16.0.3, 1.16.0.2, 1.16.0.1, 1.16.0, 1.14.0, 1.12.0, 1.10.2.0, 1.10.1.0,
1.10.0.0, 1.8.0.6, 1.8.0.4, 1.8.0.2 (conflict: vacuum => Cabal>=1.6 && <1.7)
trying: Cabal-1.6.0.3
next goal: filepath (dependency of Cabal-1.6.0.3)
rejecting: filepath-1.4.0.0/installed-8fe..., 1.4.0.0, 1.3.0.2, 1.3.0.1,
1.3.0.0, 1.2.0.1, 1.2.0.0 (conflict: Cabal => filepath>=1 && <1.2)
trying: filepath-1.1.0.4
trying: haskell-src-meta-0.6.0.12 (dependency of vacuum-0.0.4)
next goal: haskell-src-exts (dependency of haskell-src-meta-0.6.0.12)
rejecting: haskell-src-exts-1.17.0 (conflict: haskell-src-meta =>
haskell-src-exts==1.16.*)
trying: haskell-src-exts-1.16.0.1
trying: cpphs-1.19.3 (dependency of haskell-src-exts-1.16.0.1)
next goal: directory (dependency of cpphs-1.19.3)
rejecting: directory-1.2.2.0/installed-258... (conflict: filepath==1.1.0.4,
directory => filepath==1.4.0.0/installed-8fe...)
rejecting: directory-1.2.4.0, 1.2.3.1, 1.2.3.0, 1.2.2.1, 1.2.2.0 (conflict:
filepath==1.1.0.4, directory => filepath>=1.3 && <1.5)
rejecting: directory-1.2.1.0 (conflict: base==4.8.1.0/installed-4f7...,
directory => base>=4.5 && <4.8)
rejecting: directory-1.2.0.1 (conflict: base==4.8.1.0/installed-4f7...,
directory => base>=4.2 && <4.7)
rejecting: directory-1.2.0.0 (conflict: base==4.8.1.0/installed-4f7...,
directory => base>=4.6 && <4.7)
rejecting: directory-1.1.0.2 (conflict: base==4.8.1.0/installed-4f7...,
directory => base>=4.4 && <4.6)
rejecting: directory-1.1.0.1 (conflict: base==4.8.1.0/installed-4f7...,
directory => base>=4.2 && <4.5)
rejecting: directory-1.1.0.0, 1.0.1.2 (conflict:
base==4.8.1.0/installed-4f7..., directory => base>=4.2 && <4.4)
rejecting: directory-1.0.1.1, 1.0.1.0 (conflict:
base==4.8.1.0/installed-4f7..., directory => base>=4.1 && <4.3)
rejecting: directory-1.0.0.3, 1.0.0.0 (conflict:
base==4.8.1.0/installed-4f7..., directory => base<4.3)
Dependency tree exhaustively searched.