Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: pango (user goal)
rejecting: pango-0.13.3.1, pango-0.13.3.0, pango-0.13.2.0, pango-0.13.1.1,
pango-0.13.1.0, pango-0.13.0.5, pango-0.13.0.4, pango-0.13.0.3,
pango-0.13.0.2, pango-0.13.0.1, pango-0.13.0.0, pango-0.12.5.3,
pango-0.12.5.0, pango-0.12.4, pango-0.12.3, pango-0.12.2, pango-0.12.1,
pango-0.12.0, pango-0.11.2 (constraint from user target requires ==0.11.1)
trying: pango-0.11.1
trying: base-4.9.0.0/installed-4.9... (dependency of pango-0.11.1)
trying: deepseq-1.4.2.0/installed-1.4... (dependency of
bytestring-0.10.8.1/installed-0.1...)
next goal: haskell98 (dependency of pango-0.11.1)
rejecting: haskell98-2.0.0.3 (conflict: base==4.9.0.0/installed-4.9...,
haskell98 => base>=4.7 && <4.8)
rejecting: haskell98-2.0.0.2 (conflict: base==4.9.0.0/installed-4.9...,
haskell98 => base==4.6.*)
rejecting: haskell98-2.0.0.1 (conflict: deepseq =>
array==0.5.1.1/installed-0.5..., haskell98 => array>=0.3 && <0.5)
rejecting: haskell98-2.0.0.0 (conflict: deepseq =>
array==0.5.1.1/installed-0.5..., haskell98 => array>=0.3 && <0.4)
rejecting: haskell98-1.1.0.1, haskell98-1.1.0.0, haskell98-1.0.1.1 (conflict:
base==4.9.0.0/installed-4.9..., haskell98 => base>=3 && <4.6)
rejecting: haskell98-1.0.1.0 (conflict: base==4.9.0.0/installed-4.9...,
haskell98 => base<4.6)
rejecting: haskell98-1.0 (conflict: base==4.9.0.0/installed-4.9..., haskell98
=> base<4.3)
Dependency tree exhaustively searched.