Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: persona-idp (user goal)
rejecting: persona-idp-0.1.0.2 (global constraint requires ==0.1.0.1)
trying: persona-idp-0.1.0.1
trying: shakespeare-2.0.5 (dependency of persona-idp-0.1.0.1)
trying: exceptions-0.8.0.2 (dependency of shakespeare-2.0.5)
trying: transformers-compat-0.4.0.4 (dependency of exceptions-0.8.0.2)
next goal: optparse-applicative (dependency of persona-idp-0.1.0.1)
rejecting: optparse-applicative-0.11.0.2, 0.11.0.1, 0.11.0, 0.10.0 (conflict:
persona-idp => optparse-applicative==0.9.*)
rejecting: optparse-applicative-0.9.1.1, 0.9.1, 0.9.0 (conflict:
transformers-compat==0.4.0.4, optparse-applicative =>
transformers-compat==0.3.*)
rejecting: optparse-applicative-0.8.1, 0.8.0.1, 0.8.0, 0.7.0.2, 0.7.0.1,
0.7.0, 0.6.0, 0.5.2.1, 0.5.2, 0.5.1, 0.5.0, 0.4.3, 0.4.2, 0.4.1, 0.4.0, 0.3.2,
0.3.1, 0.3.0, 0.2.0, 0.1.1, 0.1.0, 0.0.1 (conflict: persona-idp =>
optparse-applicative==0.9.*)
Backjump limit reached (change with --max-backjumps).