ActionError
ActionError.stderr
ActionError.stderr: None | str
Command stderr, or None when command details are unavailable. Empty streams are "".
ActionError.stdout
ActionError.stdout: None | str
Command stdout, or None when command details are unavailable. Empty streams are "".
ActionError.target
ActionError.target: None | TargetLabel
The unconfigured target label, or None for BXL, anonymous, or unavailable owners.