anchor.diff:      (init-action action command)
   
       (add-features features)
  -    (add-default-features compilation-mode safety)
  +    (add-default-features compilation-mode)
   
       (mapc (lambda (nowarn) (action-add-nowarn nowarn action)) (split nowarn))
   
  
positive.code:   "Checks that build features are in good shape."
    (assert (not (and (member :opt *features*) (member :dbg *features*))))) ; NOLINT
  
  (defun add-default-features (compilation-mode &optional (safety 1))
    "Add the default features to *features* including :bazel and COMPILATION-MODE.
   SAFETY level is used to determine if :OPT should be added."
    (declare (type (member :opt :fastbuild :dbg) compilation-mode))
  
negative.code: 
    (let* ((command (to-keyword command))
           (outs (split outs))
           (compilation-mode (to-keyword compilation-mode))
           (action
             (make-action :args args
  