Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: codex (user goal)
rejecting: codex-0.3.0.4, 0.3.0.2, 0.3, 0.2.1.10, 0.2.1.8, 0.2.1.6, 0.2.1.4,
0.2.1.2, 0.2.1.0, 0.2.0.3, 0.2.0.2, 0.2.0.1 (global constraint requires
==0.2.0.0)
trying: codex-0.2.0.0
next goal: transformers (dependency of codex-0.2.0.0)
rejecting: transformers-0.3.0.0/installed-16a... (conflict:
transformers-compat-0.4.0.4:three => transformers>=0.4.1 && <0.5)
trying: transformers-0.4.3.0
next goal: machines-directory (dependency of codex-0.2.0.0)
rejecting: machines-directory-0.2.0.6, 0.2.0.4, 0.2.0.2, 0.2.0.0 (conflict:
codex => machines-directory>=0.0 && <0.1)
trying: machines-directory-0.0.0.2
next goal: machines (dependency of codex-0.2.0.0)
rejecting: machines-0.5.1, 0.4.1, 0.4.0.1, 0.4 (conflict: codex =>
machines>=0.2 && <0.3)
rejecting: machines-0.2.5, 0.2.4 (conflict: transformers==0.4.3.0, machines =>
transformers==0.3.*)
rejecting: machines-0.2.3.1, 0.2.3, 0.2.2, 0.2.1.3, 0.2.1.2, 0.2.1.1, 0.2.1
(conflict: machines-directory => machines>=0.2.4 && <0.3)
rejecting: machines-0.1.2, 0.1.1, 0.1 (conflict: codex => machines>=0.2 &&
<0.3)
Backjump limit reached (change with --max-backjumps).