There were some issues with how Launchpad PPA works. So I have prepared the new packages in https://launchpad.net/~liushuyu-011/+archive/ubuntu/rust-updates-1/+packages now.
There were some issues with how Launchpad PPA works. So I have prepared the new packages in https:/ /launchpad. net/~liushuyu- 011/+archive/ ubuntu/ rust-updates- 1/+packages now.