[00:15] <cjwatson> wgrant: Is it deliberate that we typically scan building slaves twice per cycle?  Once in rescueIfLost and once in updateBuild.
[00:16] <cjwatson> Perhaps that should be hoisted up to SlaveScanner.scan.
[00:16] <wgrant> cjwatson: Not deliberate, as such, just not avoided.
[00:16] <wgrant> It should indeed.
[00:17] <cjwatson> Gets more noticeable when we may need to update the master's record of the slave version.