[Rails] Error in cap deploy command

Hello to all!

I am getting following error while running cap deploy in terminal.

$ cap deploy
* executing `deploy'
* executing `deploy:update'
** transaction: start
* executing `deploy:update_code'
executing locally: "git ls-remote git@github.com:megha55/mysite.git master"
command finished in 4912ms
* executing "git clone -q git@github.com:megha55/mysite.git
/u/apps/mysite/releases/20121008150536 && cd
/u/apps/mysite/releases/20121008150536 && git checkout -q -b deploy
d8c68e8142039f19b36669692144825715bc129a && (echo
d8c68e8142039f19b36669692144825715bc129a >
/u/apps/mysite/releases/20121008150536/REVISION)"
servers: ["simak"]
Password:
[simak] executing command
** [simak :: out] fatal: could not create work tree dir
'/u/apps/mysite/releases/20121008150536'.: Permission denied
command finished in 240ms
*** [deploy:update_code] rolling back
* executing "rm -rf /u/apps/mysite/releases/20121008150536; true"
servers: ["simak"]
[simak] executing command
command finished in 9ms
failed: "sh -c 'git clone -q git@github.com:megha55/mysite.git
/u/apps/mysite/releases/20121008150536 && cd
/u/apps/mysite/releases/20121008150536 && git checkout -q -b deploy
d8c68e8142039f19b36669692144825715bc129a && (echo
d8c68e8142039f19b36669692144825715bc129a >
/u/apps/mysite/releases/20121008150536/REVISION)'" on simak

I also gave permissions to this application but still having same error.
Please help me to solve this error.


--
Mandeep Kaur
http://mandeepsimak.wordpress.com/

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