Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: aivika (user goal)
rejecting: aivika-5.0.1, aivika-4.6, aivika-4.5, aivika-4.3.5, aivika-4.3.4,
aivika-4.3.3, aivika-4.3.2, aivika-4.3.1, aivika-4.3, aivika-4.2,
aivika-4.1.1, aivika-4.1, aivika-4.0.3, aivika-4.0.1, aivika-4.0, aivika-3.1,
aivika-3.0, aivika-2.1, aivika-2.0, aivika-1.4, aivika-1.3, aivika-1.2.1,
aivika-1.2, aivika-1.1, aivika-1.0, aivika-0.7, aivika-0.6.1, aivika-0.6,
aivika-0.5.4, aivika-0.5.1, aivika-0.5, aivika-0.4.3, aivika-0.4.2,
aivika-0.4.1, aivika-0.4, aivika-0.3 (constraint from user target requires
==0.2)
trying: aivika-0.2
trying: base-4.9.0.0/installed-4.9... (dependency of aivika-0.2)
trying: containers-0.5.7.1/installed-0.5... (dependency of aivika-0.2)
next goal: haskell98 (dependency of aivika-0.2)
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: containers =>
array==0.5.1.1/installed-0.5..., haskell98 => array>=0.3 && <0.5)
rejecting: haskell98-2.0.0.0 (conflict: containers =>
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.