Resolving dependencies... cabal: Could not resolve dependencies: next goal: gitlib-s3 (user goal) rejecting: gitlib-s3-3.1.0.1, gitlib-s3-3.1.0, gitlib-s3-3.0.2, gitlib-s3-3.0.1, gitlib-s3-3.0.0, gitlib-s3-2.2.0.0, gitlib-s3-2.1.0.0, gitlib-s3-2.0.2.1, gitlib-s3-2.0.1.0, gitlib-s3-2.0.0.0, gitlib-s3-1.4.1, gitlib-s3-1.4.0 (constraint from user target requires ==1.3.1) trying: gitlib-s3-1.3.1 trying: http-conduit-2.2.3 (dependency of gitlib-s3-1.3.1) trying: cereal-0.5.4.0 (dependency of tls-1.3.9) trying: blaze-builder-0.4.0.2 (dependency of http-client-0.5.4) trying: attoparsec-0.13.1.0 (dependency of conduit-extra-1.1.15) trying: data-default-0.7.1.1 (dependency of gitlib-s3-1.3.1) next goal: aws (dependency of gitlib-s3-1.3.1) rejecting: aws-0.14.1, aws-0.14.0 (conflict: http-conduit==2.2.3, aws => http-conduit>=2.1 && <2.2) rejecting: aws-0.13.2 (conflict: data-default==0.7.1.1, aws => data-default>=0.5.3 && <0.7) rejecting: aws-0.13.1 (conflict: cereal==0.5.4.0, aws => cereal>=0.3 && <0.5) rejecting: aws-0.13.0 (conflict: data-default==0.7.1.1, aws => data-default>=0.5.3 && <0.6) rejecting: aws-0.12.1 (conflict: cereal==0.5.4.0, aws => cereal>=0.3 && <0.5) rejecting: 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 (conflict: attoparsec==0.13.1.0, aws => attoparsec>=0.11 && <0.13) rejecting: aws-0.9.5, aws-0.9.4, aws-0.9.3, aws-0.9.2, aws-0.9.1, aws-0.9, aws-0.8.6, aws-0.8.5, aws-0.8.4, aws-0.8.3, aws-0.8.2, aws-0.8.1, aws-0.8.0, aws-0.7.6.4, aws-0.7.6.3, aws-0.7.6.2, aws-0.7.6.1, aws-0.7.6, aws-0.7.5 (conflict: blaze-builder==0.4.0.2, aws => blaze-builder>=0.2.1.4 && <0.4) rejecting: aws-0.7.4, aws-0.7.3, aws-0.7.2, aws-0.7.1, aws-0.7.0, aws-0.6.2, aws-0.6.1, aws-0.6.0, aws-0.5.0, aws-0.4.1, aws-0.4.0.1, aws-0.4.0, aws-0.3.2, aws-0.3.1, aws-0.3, aws-0.2, aws-0.1, aws-0.0.6, aws-0.0.5, aws-0.0.4, aws-0.0.3, aws-0.0.2, aws-0.0.1 (conflict: gitlib-s3 => aws>=0.7.5) Backjump limit reached (currently 2000, change with --max-backjumps or try to run with --reorder-goals).