Resolving dependencies...
cabal: Could not resolve dependencies:
trying: codex-0.5.0.0 (user goal)
trying: wreq-0.4.1.0 (dependency of codex-0.5.0.0)
trying: http-client-tls-0.2.4 (dependency of wreq-0.4.1.0)
trying: data-default-class-0.1.0 (dependency of http-client-tls-0.2.4)
trying: transformers-0.4.2.0/installed-814... (dependency of codex-0.5.0.0)
trying: machines-directory-0.2.0.8 (dependency of codex-0.5.0.0)
trying: machines-io-0.2.0.12 (dependency of machines-directory-0.2.0.8)
trying: chunked-data-0.2.0 (dependency of machines-io-0.2.0.12)
trying: mono-traversable-0.10.2 (dependency of chunked-data-0.2.0)
trying: vector-instances-3.3.1 (dependency of mono-traversable-0.10.2)
next goal: pointed (dependency of vector-instances-3.3.1)
rejecting: pointed-5, 4.2.0.2, 4.2.0.1, 4.2, 4.1.1, 4.1 (conflict:
data-default-class==0.1.0, pointed => data-default-class>=0.0.1 && <0.1)
rejecting: pointed-4.0, 3.1, 3.0.3, 3.0.2, 3.0.1, 3.0.0.1, 3.0 (conflict:
transformers==0.4.2.0/installed-814..., pointed => transformers>=0.2 && <0.4)
rejecting: pointed-2.1.0.2, 2.1.0.1, 2.1, 2.0.3.2, 2.0.3.1, 2.0.3, 2.0.2,
2.0.1, 2.0, 1.8.0.2, 1.8.0.1, 1.8.0, 0.1.4, 0.1.3, 0.1.2, 0.1.1, 0.1.0
(conflict: vector-instances => pointed>=3)
Backjump limit reached (change with --max-backjumps).