[Petronski]

He performed many works in that conversation. He accepted Christ; he attempted to save another (the other thief), he preached the Gospel.

Oh, and by the way, if Christ Himself wants to save someone, no legalism YOU can concoct could stop Him.

[Fichori]

"He performed many works in that conversation. He accepted Christ; he attempted to save another (the other thief), he preached the Gospel." [excerpt]

Seems the scriptures disagree with you on the subject:

For by grace are ye saved through faith; and that not of yourselves: [it is] the gift of God:

Not of works, lest any man should boast.

Ephesians 2:8-9

But Israel, which followed after the law of righteousness, hath not attained to the law of righteousness.

Wherefore? Because [they sought it] not by faith, but as it were by the works of the law. For they stumbled at that stumblingstone;

Romans 9:31-32