He crawled out, looking first at Schwab to see what he was doing.
What Schwab was doing has no bearing whatever on this story.

Schwab was not feeling well, wherefore he was not showing any interest whatever in his surroundings and probable future.

John Ivan Jewel laughed unfeelingly while he beckoned a guard who was coming up at a trot and needed no beckoning.
"Here's another man for your boss to take charge of," Johnny announced.
"And lead me to him right now.

I've got a date with him." This guard was a new guard and looked dubious.

But presently the captain's orderly appeared and took charge of the situation, so Johnny straight-way found himself standing before Captain Riley "Well, I'm back," he announced cheerfully.