MATT Tootle and Mathias Pogba both went mighty close to breaking the deadlock as Crewe picked up a potentially vital point at Bristol City.
The Alex stay out of the League One drop zone by one point heading into the final week of the season after stretching their unbeaten run to three games.
All eyes will now be on relegation rivals Carlisle United, who play away at Crawley Town on Tuesday night.
The Railwaymen then host Preston North End at Gresty Road next Saturday hoping to confirm their place in England's third tier for next season.
CREWE Alex's battle against relegation will go right to the wire after their goalless draw at Ashton Gate on Saturday.
The Railwaymen produced a composed performance to take a share of the spoils against their in-form hosts in the West Country.
But they could not find the goal that would have hugely helped their bid to stay in League One – instead having to settle for a second consecutive 0-0 draw.
Now they will host Preston on the final day knowing anything less than a win will leave them vulnerable to the drop.
Shrewsbury are the second side to have their relegation confirmed, while a big win for Colchester has left them almost safe and success for Notts County saw them leapfrog the Alex.
But defeats for Carlisle and Tranmere have left them also on the brink.
It is a scenario manager Steve Davis has long insisted he would accept after a dismal first half of the campaign. But if captain Matt Tootle had taken a late chance at Bristol their future would look much more secure.
THIS sterile contest served as a reminder that Bristol City cannot rely on strikers Sam Baldock and Jay Emmanuel-Thomas to do the business every week.
City's front two have helped themselves to a combined total of 47 goals in all competitions this season, a truly remarkable return in a team that, until recently, has been involved in a desperate struggle against relegation.
Baldock and Emmanuel-Thomas have effectively kept the Robins afloat and, had it not been for their efforts, this side could easily have been heading for a final-day showdown at Crawley needing to win to stay in League One.
On a day when the opposition managed to snuff out the threat posed by Baldock and Emmanuel-Thomas, City simply lacked the penetration required to break down a stubborn Crewe defence.
Uncomfortably adjacent to the relegation zone, the visitors came for a point and should have returned to Cheshire with all three after carving out the best chance of a contest that will scarcely linger long in the memory.