נכשל באתחול Pups::ExecError 'bundle exec rake db:migrate' נכשל עם החזרת exec נכשל עם הפרמטרים 2.9.0.beta4 ל-2.9.0.beta5

Please supply the 60 lines which precede that snippet of your log file.

Please also show the output of
free
as typed on the command line.