Relegation-threatened Crewe lacked quality in the final third as they had to settle for a goalless draw with Yeovil.The stalemate at Gresty Road was only Alex's third draw of the campaign, but came when they least needed it as games involving rivals Chesterfield and Forest Green were rained off, leaving them three points off the bottom two. The Railwaymen called the shots but found Artur Krysiak in fine form before the Yeovil goalkeeper limped off after the break.Krysiak gloved Harry Pickering's deflected 20-yard drive around the post and kept out a fierce shot from Zoumana Bakayogo.Crewe had credible penalty appeals waved away by referee Robert Lewis in the first half after Nathan Smith appeared to handle Paul Green's cross. From the resulting corner Krysiak stood firm by tipping Pickering's effort over.Ryan Seager wasted Yeovil's best chance when he drove wide.After the restart Pickering curled a free-kick onto the bar and Shaun Miller drove an effort way over as Crewe sought the breakthrough in vain.But Francois Zoko issued a warning when he fired across the face of goal in a rare Yeovil attack.