The Railwaymen started the game brighter and took the lead when striker Courtney Baker-Richardson found the top corner of the net with a close-range header.
George Miller missed a golden opportunity to bring the visitors level before half time when his penalty was saved by Arthur Okonkwo in the Crewe goal.
But Doncaster's top-scorer atoned after the interval when he scored his ninth goal of the season to earn his side a point.
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13. Kyle Hurst - 6
Made up some good territory on the ball and had one shot at goal from distance comfortably saved. Photo: Howard Roe/AHPIX LTD
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