worker: Fix invalid format string.
worker: Fix invalid format string.

NOTE: This is an automated export. Changes were already LGTM'd internally.

HubSpot/vitess,vitessio/vitess,davygeek/vitess,tirsen/vitess,enisoc/vitess,alainjobart/vitess,applift/vitess,alainjobart/vitess,enisoc/vitess,rnavarro/vitess,mapbased/vitess,alainjobart/vitess,mahak/vitess,mattharden/vitess,sougou/vitess,alainjobart/vitess,enisoc/vitess,enisoc/vitess,mahak/vitess,vitessio/vitess,pivanof/vitess,HubSpot/vitess,dcadevil/vitess,mattharden/vitess,sougou/vitess,dumbunny/vitess,rnavarro/vitess,davygeek/vitess,tinyspeck/vitess,tinyspeck/vitess,sougou/vitess,sougou/vitess,alainjobart/vitess,mapbased/vitess,tirsen/vitess,applift/vitess,rnavarro/vitess,dumbunny/vitess,davygeek/vitess,dcadevil/vitess,tirsen/vitess,enisoc/vitess,mapbased/vitess,tirsen/vitess,mapbased/vitess,pivanof/vitess,mattharden/vitess,HubSpot/vitess,mattharden/vitess,mahak/vitess,pivanof/vitess,tinyspeck/vitess,pivanof/vitess,rnavarro/vitess,pivanof/vitess,alainjobart/vitess,dumbunny/vitess,pivanof/vitess,mahak/vitess,mattharden/vitess,applift/vitess,pivanof/vitess,HubSpot/vitess,vitessio/vitess,rnavarro/vitess,tirsen/vitess,HubSpot/vitess,mapbased/vitess,mahak/vitess,dumbunny/vitess,dcadevil/vitess,rnavarro/vitess,vitessio/vitess,mattharden/vitess,tirsen/vitess,sougou/vitess,vitessio/vitess,mapbased/vitess,dcadevil/vitess,enisoc/vitess,applift/vitess,mahak/vitess,tinyspeck/vitess,HubSpot/vitess,sougou/vitess,vitessio/vitess,enisoc/vitess,dcadevil/vitess,mahak/vitess,mattharden/vitess,dcadevil/vitess,davygeek/vitess,applift/vitess,sougou/vitess,pivanof/vitess,tinyspeck/vitess,applift/vitess,mahak/vitess,tinyspeck/vitess,tirsen/vitess,dumbunny/vitess,dumbunny/vitess,mapbased/vitess,dumbunny/vitess,applift/vitess,rnavarro/vitess,rnavarro/vitess,tirsen/vitess,alainjobart/vitess,davygeek/vitess,dumbunny/vitess,dumbunny/vitess,mattharden/vitess,sougou/vitess,dumbunny/vitess,dcadevil/vitess,HubSpot/vitess,applift/vitess,applift/vitess,mapbased/vitess,mapbased/vitess,davygeek/vitess,vitessio/vitess,tirsen/vitess,pivanof/vitess,alainjobart/vitess,tinyspeck/vitess,mattharden/vitess,applift/vitess,mapbased/vitess,mattharden/vitess,davygeek/vitess,rnavarro/vitess,HubSpot/vitess,vitessio/vitess