In its ordinary sense, and I know no other, 'lined' cannot be applied to a crutch. I therefore read lean'd, with an ellipsis, in the usual manner, of on, which would give a tolerable sense. See Tr. and Cr. v. 3.
"Rise mov'd, and gravely leaning on one crutch,
Lift the other like a sceptre."
Fletch. Beggar's Bush, ii. 1.
"And yet confusion live!"
I prefer let; Hanmer did the same.
Sc. 2.
"As we do turn our backs