It may be useful to print the previous version of the compiler when upgrading

[brson]

Source.

[das-sein]

@Diggsey @brson Is this resolved? Updating lists the components being uninstalled which should list the previous version of the compiler. If #1639 lands, this could become more obvious to users.

[kinnison]

This is now a thing which has been released:

  nightly-x86_64-unknown-linux-gnu updated - rustc 1.50.0-nightly (f4db9ffb2 2020-12-02) (from rustc 1.50.0-nightly (f4db9ffb2 2020-12-02))