Thank you for taking the time to report this bug and helping to make
Ubuntu better. It seems that your bug report is not filed about a
specific source package though, rather it is just filed against Ubuntu
in general. It is important that bug reports be filed about source
packages so that people
Rust hasn't made it into the official repositories yet. There are a few
issues that still need to be resolved before it can be packaged
officially on most Linux distributions. There are however a PPA for rust
here: https://launchpad.net/~hansjorg/+archive/rust. Contact the
maintainer there about