For the "repo-create" action, don't pass "--log-json" to Borg, as its output isn't captured and parsed (#485).

borgmatic/borg/repo_create.py

@@ -81,7 +81,6 @@ def create_repository(
             if feature.available(feature.Feature.REPO_CREATE, local_borg_version)
             else ('init',)
         )
-        + ('--log-json',)
         + (('--encryption', encryption_mode) if encryption_mode else ())
         + (('--other-repo', source_repository) if source_repository else ())
         + (('--copy-crypt-key',) if copy_crypt_key else ())

tests/unit/borg/test_repo_create.py

@@ -9,7 +9,7 @@ from borgmatic.borg import repo_create as module
 from ..test_verbosity import insert_logging_mock
 
 REPO_INFO_SOME_UNKNOWN_EXIT_CODE = -999
-REPO_CREATE_COMMAND = ('borg', 'repo-create', '--log-json', '--encryption', 'repokey')
+REPO_CREATE_COMMAND = ('borg', 'repo-create', '--encryption', 'repokey')
 
 
 def insert_repo_info_command_found_mock():