Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: cabal-sort (user goal)
rejecting: cabal-sort-0.0.5.3, cabal-sort-0.0.5.2, cabal-sort-0.0.5.1,
cabal-sort-0.0.5, cabal-sort-0.0.4.2, cabal-sort-0.0.4.1, cabal-sort-0.0.4,
cabal-sort-0.0.3.1, cabal-sort-0.0.3, cabal-sort-0.0.2.1, cabal-sort-0.0.2
(constraint from user target requires ==0.0.1)
trying: cabal-sort-0.0.1
trying: base-4.9.0.0/installed-4.9... (dependency of cabal-sort-0.0.1)
next goal: transformers (dependency of cabal-sort-0.0.1)
rejecting: transformers-0.5.2.0/installed-0.5..., transformers-0.5.2.0,
transformers-0.5.1.0, transformers-0.5.0.1, transformers-0.5.0.0,
transformers-0.4.3.0, transformers-0.4.2.0, transformers-0.4.1.0,
transformers-0.3.0.0 (conflict: cabal-sort => transformers>=0.2 && <0.3)
rejecting: transformers-0.2.2.1 (conflict: base==4.9.0.0/installed-4.9...,
transformers => base>=2 && <4.8 || >=1.0 && <2)
rejecting: transformers-0.2.1.0, transformers-0.2.0.0 (conflict:
base==4.9.0.0/installed-4.9..., transformers => base>=2 && <4.3 || >=1.0 &&
<2)
rejecting: transformers-0.1.4.0, transformers-0.1.3.0, transformers-0.1.1.0,
transformers-0.1.0.1, transformers-0.0.1.0, transformers-0.0.0.0,
transformers-0.5.0.2, transformers-0.4.0.0 (conflict: cabal-sort =>
transformers>=0.2 && <0.3)
rejecting: transformers-0.2.2.0 (conflict: base==4.9.0.0/installed-4.9...,
transformers => base>=2 && <4.6 || >=1.0 && <2)
rejecting: transformers-0.1.0.0 (conflict: cabal-sort => transformers>=0.2 &&
<0.3)
Dependency tree exhaustively searched.