[31mSetting parser is invalid:[m
  
  [31mInvalid Setting:[m
  This [33msetting[m parses nothing.
  Add an [33margument[m, [33mswitch[m, [33moption[m, [33menv[m, [33mconf[m, or [33mvalue[m.
  Defined at: [36mtest/OptEnvConf/LintSpec.hs:25:7 in main:OptEnvConf.LintSpec[m
