Bug: No warning about an already taken nickname

[fraythe]

Summary

No warning about an already taken nickname if you enter an invalid email during registration

Reproduction steps

1. Open the main page of the site
2. Click on 'sign up'
3. Enter your already taken nickname (thayfre)
4. Enter invalid email
5. Enter the password
6. Repeat the password

Expected result

Warning about invalid email and already taken nickname

Actual result

Warning about invalid email, no warning about already taken nickname

Current version

8a20565

Browsers

Chrome

OS

Mac