[Bug 2123863] Re: Remove unneeded Rust toolchains from 25.10

Sebastien Bacher 2123863 at bugs.launchpad.net
Mon Sep 22 14:03:55 UTC 2025


rustc-1.81 removed from questing now

** Changed in: rustc-1.81 (Ubuntu Questing)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/2123863

Title:
  Remove unneeded Rust toolchains from 25.10

Status in rustc-1.81 package in Ubuntu:
  Fix Released
Status in rustc-1.82 package in Ubuntu:
  Fix Released
Status in rustc-1.83 package in Ubuntu:
  Fix Released
Status in rustc-1.84 package in Ubuntu:
  Fix Released
Status in rustc-1.86 package in Ubuntu:
  Fix Released
Status in rustc-1.87 package in Ubuntu:
  Fix Released
Status in rustc-1.81 source package in Questing:
  Fix Released
Status in rustc-1.82 source package in Questing:
  Fix Released
Status in rustc-1.83 source package in Questing:
  Fix Released
Status in rustc-1.84 source package in Questing:
  Fix Released
Status in rustc-1.86 source package in Questing:
  Fix Released
Status in rustc-1.87 source package in Questing:
  Fix Released

Bug description:
  rustc-1.81 was used to bootstrap the subsequent Rust toolchain and is
  no longer required to build any other packages:

  $ checkrdepends --no-ports --include-provides --suite questing --archive-base 'http://archive.ubuntu.com/ubuntu' rustc-1.81
  -- questing/universe build deps on cargo-1.81:
  rustc-1.82 cargo-1.81|cargo-1.82
  -- questing/universe build deps on rustc-1.81:
  rustc-1.82 rustc-1.81|rustc-1.82

  I have also reached out to the Kernel team and confirmed that they are
  only using the Rust version in rust-defaults (rustc-1.85).

  Therefore, rustc-1.81 can be removed before the 25.10 release.

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