`travis login` - Login with Bitbucket account

I am trying to encrypt a file using travis command line: travis encrypt-file ./my-file .

When I run this, Travis asks me to login. I use this command for doing so: travis login --pro . However, Travis throws in the console Bad credentials .

Is it possible at this moment to login with travis client to a bitbucket account? If not, is there a wokaround to encrypt a file having a travis account associated to a bitbucket one?

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