Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: wai-app-file-cgi (user goal)
rejecting: wai-app-file-cgi-3.0.8, 3.0.7, 3.0.6, 3.0.5, 3.0.4, 3.0.3, 3.0.2,
3.0.1, 3.0.0, 2.0.5, 2.0.4, 2.0.3, 2.0.2, 2.0.1, 2.0.0, 0.8.7, 0.8.6, 0.8.5,
0.8.4, 0.8.3, 0.8.2, 0.8.1, 0.8.0, 0.7.2, 0.7.1, 0.7.0, 0.6.0, 0.5.10, 0.5.9,
0.5.8, 0.5.7, 0.5.6.2, 0.5.6.1, 0.5.6, 0.5.5, 0.5.4, 0.5.3, 0.5.2, 0.5.1,
0.5.0, 0.4.4, 0.4.3, 0.4.2, 0.4.1, 0.4.0, 0.3.5, 0.3.4, 0.3.3 (global
constraint requires ==0.3.2)
trying: wai-app-file-cgi-0.3.2
trying: base-4.8.1.0/installed-4f7... (dependency of wai-app-file-cgi-0.3.2)
trying: directory-1.2.2.0/installed-258... (dependency of
wai-app-file-cgi-0.3.2)
next goal: haskell98 (dependency of wai-app-file-cgi-0.3.2)
rejecting: haskell98-2.0.0.3 (conflict: base==4.8.1.0/installed-4f7...,
haskell98 => base>=4.7 && <4.8)
rejecting: haskell98-2.0.0.2 (conflict: base==4.8.1.0/installed-4f7...,
haskell98 => base==4.6.*)
rejecting: haskell98-2.0.0.1, 2.0.0.0 (conflict:
directory==1.2.2.0/installed-258..., haskell98 => directory>=1.1 && <1.2)
rejecting: haskell98-1.1.0.1, 1.1.0.0, 1.0.1.1 (conflict:
base==4.8.1.0/installed-4f7..., haskell98 => base>=3 && <4.6)
rejecting: haskell98-1.0.1.0 (conflict: base==4.8.1.0/installed-4f7...,
haskell98 => base<4.6)
rejecting: haskell98-1.0 (conflict: base==4.8.1.0/installed-4f7..., haskell98
=> base<4.3)
Backjump limit reached (change with --max-backjumps).