[Bug 2027639] Re: Upgrade Rust to 1.70.0

[Launchpad Bug Tracker]

This bug was fixed in the package rustc - 1.70.0+dfsg0ubuntu1-0ubuntu1

---------------
rustc (1.70.0+dfsg0ubuntu1-0ubuntu1) mantic; urgency=medium

  * New upstream release 1.70.0 (LP: #2027639)
    - d/patches: Refresh patches
    - Upgraded LLVM to 16
  * d/patches/d-0000-ignore-removed-submodules.patch: Remove newly added Miri
    parts
  * d/patches/ubuntu-downgrade-libgit2-to-1.5.patch: Downgrade libgit2
    requirements to 1.5, since we don't have 1.6 in stable yet
  * d/patches/d-0002-mdbook-strip-embedded-libs.patch: Remove newly added
    mdbook bundled resources
  * d/patches/ubuntu-use-system-compiler-during-tests.patch: Avoid the need of
    downloaded rustc binaries during the bootstrapping tests
  * d/rust-src.install: Fix the config.example.toml installation, because the
    file name changed in Rust 1.70
  * d/patches/ubuntu-disable-fpmath-tests-for-i386.patch: Disable a test for
    testing machine epsilon, which x87 math is too inaccurate to pass the test
  * d/source/lintian-overrides: update overriden paths for doc-tests

 -- Zixing Liu <zixing.liu at canonical.com>  Thu, 13 Jul 2023 17:07:11
+0800

** Changed in: rustc (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/2027639

Title:
  Upgrade Rust to 1.70.0

Status in rustc package in Ubuntu:
  Fix Released

Bug description:
  Upgrade Rust to 1.70.0.

  Notable changes from upstream:

  - OnceLock and OnceCell are now stabilized in the standard library. You no longer need to rely on an external crate for lazy initialized values.
  - Sparse registry is now enabled by default. No more waiting on the crates index updates!
  - std::io::IsTerminal is now stabilized in the standard library. Now you can determine whether a tty is attended without an external library!
  - Many APIs in the networking space are stabilized in the standard library.

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