Running tests for 'code_builtinTypes'...
Running tests for 'code_catchAll'...
Running tests for 'code_complexCondition'...
Running tests for 'code_deprecated'...
Running tests for 'code_emptyFor'...
Running tests for 'code_emptyTry'...
Running tests for 'code_emptyWhile'...
Running tests for 'code_idempotentOperations'...
Running tests for 'code_identifierLength'...
Running tests for 'code_ignoreUnit'...
*** error while running check "ignore_unit" on file "a.ml":
  Cmi_format.Error(_)
*** invalid code_ignoreUnit/checkstyle.result
*** invalid code_ignoreUnit/csv.result
*** invalid code_ignoreUnit/html.result
*** invalid code_ignoreUnit/summary.result
*** invalid code_ignoreUnit/text.result
*** invalid code_ignoreUnit/xml.result
Running tests for 'code_length'...
Running tests for 'code_magicNumber'...
Running tests for 'code_negatedIf'...
Running tests for 'code_nestedFor'...
Running tests for 'code_nestedIf'...
Running tests for 'code_nestedTry'...
Running tests for 'code_nestedWhile'...
Running tests for 'code_noEffectAssignment'...
Running tests for 'code_open'...
Running tests for 'code_parameterCount'...
Running tests for 'code_physicalComparisons'...
Running tests for 'code_predefinedExceptions'...
Running tests for 'code_predefinedOperators'...
Running tests for 'code_stringLiterals'...
Running tests for 'code_textualDuplicate'...
Running tests for 'code_tupleSize'...
Running tests for 'code_uselessBinding'...
Running tests for 'code_uselessExternalParentheses'...
Running tests for 'doc_classComment'...
Running tests for 'doc_classTypeComment'...
Running tests for 'doc_exceptionComment'...
Running tests for 'doc_moduleComment'...
Running tests for 'doc_moduleTypeComment'...
Running tests for 'doc_spell'...
*** error while running check "spell" on file "a.mli":
  cannot run aspell:
sh: aspell: command not found
*** invalid doc_spell/checkstyle.result
*** invalid doc_spell/csv.result
*** invalid doc_spell/html.result
*** invalid doc_spell/summary.result
*** invalid doc_spell/text.result
*** invalid doc_spell/xml.result
Running tests for 'doc_typeComment'...
Running tests for 'doc_valueComment'...
Running tests for 'interf_duplicate'...
Running tests for 'interf_exportedCount'...
Running tests for 'interf_exportedEmpty'...
Running tests for 'interf_methodCount'...
Running tests for 'metrics_coupling'...
Running tests for 'metrics_halstead'...
Running tests for 'metrics_mccabe'...
Running tests for 'misc_regexp'...
Running tests for 'typo_fileLength'...
Running tests for 'typo_header'...
Running tests for 'typo_lineLength'...
Running tests for 'typo_spacesAroundBlocks'...
Running tests for 'typo_spacesAroundOperators'...
Running tests for 'typo_spacesAroundPunctuation'...
Running tests for 'typo_tabCharacter'...
Running tests for 'typo_trailingNewLine'...
Running tests for 'typo_trailingWhiteSpace'...
Running tests for 'various_ignore'...