ruby on rails - Capistrano Config symlink not working -

i doing rails 4.1 deployment capistrano 2.

my script working fine in create_symlink task crashes.

executing "rm -f /home/deployer/myawesomeproject/production/current;  ln -s /home/deployer/myawesomeproject/production/releases/20150511102623 /home/deployer/myawesomeproject/production/current; true" 

the result got is

rm: cannot remove ‘/home/deployer/myawesomeproject/production/current’ 

it working fine started crashing of sudden.

any appreciated.