The organizers of the previous RUST devroom (2018, 2019, 2020) decided that we won't be organizing it this year as a huge part of FOSDEM is getting people in the same room and being able to create face to face discussions on the back of the
We announced it here a while ago: https://www.reddit.com/r/rust/comments/j03i80/fosdem_2021_on...
We were encouraging others to fill the gap if they wanted but no one really stepped up so... ;) I hope that next year we'll be back in person.