Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: aws (user goal)
rejecting: aws-0.14.1, aws-0.14.0, aws-0.13.2, aws-0.13.1, aws-0.13.0,
aws-0.12.1, aws-0.12, aws-0.11.4, aws-0.11.3, aws-0.11.2, aws-0.11.1,
aws-0.11, aws-0.10.5, aws-0.10.4, aws-0.10.3, aws-0.10.2, aws-0.10.1, aws-0.10
(constraint from user target requires ==0.9.5)
trying: aws-0.9.5
trying: base-4.9.0.0/installed-4.9... (dependency of aws-0.9.5)
next goal: transformers (dependency of aws-0.9.5)
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 (conflict:
aws => transformers>=0.2.2 && <0.5)
rejecting: transformers-0.4.3.0, transformers-0.4.2.0 (conflict:
base==4.9.0.0/installed-4.9..., transformers => base>=2 && <4.9)
rejecting: transformers-0.4.1.0, transformers-0.3.0.0, 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, 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 (conflict:
aws => transformers>=0.2.2 && <0.5)
rejecting: transformers-0.4.0.0 (conflict: base==4.9.0.0/installed-4.9...,
transformers => base>=2 && <4.8 || >=1.0 && <2)
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: aws => transformers>=0.2.2 && <0.5)
Dependency tree exhaustively searched.