Due to minecarts not loading chunks in front of them, it is impossible to get the "On A Rail" achievement in the 1.9 snapshots. I thought it would be fine if I relogged to get the chunks to load, but it did not give me the achievement.

Video:
https://drive.google.com/file/d/0B7iJFE7UIQfpWllQSEdRaW1UaW8/view?usp=sharing