Resolving dependencies...
cabal: Could not resolve dependencies:
trying: package-vt-0.1.3.3 (user goal)
trying: base-4.7.0.1/installed-e4b... (dependency of package-vt-0.1.3.3)
next goal: filepath (dependency of package-vt-0.1.3.3)
rejecting: filepath-1.3.0.2/installed-158..., 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: package-vt => filepath>=1.1.0 && <1.2.0)
trying: filepath-1.1.0.4
next goal: haskell-src-exts (dependency of package-vt-0.1.3.3)
rejecting: haskell-src-exts-1.16.0.1, 1.16.0, 1.15.0.1, 1.15.0, 1.14.0.1,
1.14.0, 1.13.5, 1.13.4, 1.13.3, 1.13.2, 1.13.1, 1.13.0, 1.12.0, 1.11.1,
1.10.2, 1.10.1, 1.10.0, 1.9.6, 1.9.5, 1.9.4, 1.9.3, 1.9.0, 1.8.2, 1.8.1,
1.8.0, 1.7.2, 1.7.1, 1.7.0, 1.6.1, 1.6.0, 1.5.3, 1.5.2, 1.5.1, 1.5.0, 1.4.0,
1.3.5, 1.3.4, 1.3.3, 1.3.2, 1.3.1 (conflict: package-vt =>
haskell-src-exts>=1.3.0 && <1.3.1)
trying: haskell-src-exts-1.3.0
trying: cpphs-1.19 (dependency of haskell-src-exts-1.3.0)
next goal: directory (dependency of cpphs-1.19)
rejecting: directory-1.2.1.0/installed-4c4... (conflict: filepath==1.1.0.4,
directory => filepath==1.3.0.2/installed-158...)
rejecting: directory-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: filepath==1.1.0.4, directory =>
filepath>=1.3 && <1.4)
rejecting: directory-1.2.0.1 (conflict: base==4.7.0.1/installed-e4b...,
directory => base>=4.2 && <4.7)
rejecting: directory-1.2.0.0 (conflict: base==4.7.0.1/installed-e4b...,
directory => base>=4.6 && <4.7)
rejecting: directory-1.1.0.2 (conflict: base==4.7.0.1/installed-e4b...,
directory => base>=4.4 && <4.6)
rejecting: directory-1.1.0.1 (conflict: base==4.7.0.1/installed-e4b...,
directory => base>=4.2 && <4.5)
rejecting: directory-1.1.0.0, 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.