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feat(toml): Add autolib #14591

Merged
merged 5 commits into from
Sep 27, 2024
Merged

feat(toml): Add autolib #14591

merged 5 commits into from
Sep 27, 2024

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epage
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@epage epage commented Sep 24, 2024

What does this PR try to resolve?

PR #5335 added autobins, etc for #5330. Nowhere in there is
discussion of autolib.

Cargo script disables support for additional build-targets by disabling
discovery.
Except we don't have a way to disable discovery of autolib, leading to #14476.
By adding autolib, we can continue in that direction.

This also allows us to bypass inferring of libs on published packages,
like all other build-targets which were handled in #13849.

Fixes #14476

How should we test and review this PR?

Additional information

As this seems fairly low controversy, this insta-stabilizes the field.
In prior versions of Cargo, users will get an "unused manifest key"
warning.
For packages where this is set by cargo publish, the warning will be suppressed and things will work as normal.
For cargo vendor, the same except there will be some churn in the
vendored source as this field will now be set.
For local development, it should be rare to set autolib so the lack of
error by discovering a file when this is set shouldn't be a problem.

@epage epage added the T-cargo Team: Cargo label Sep 24, 2024
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rustbot commented Sep 24, 2024

r? @ehuss

rustbot has assigned @ehuss.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

Use r? to explicitly pick a reviewer

@rustbot rustbot added A-documenting-cargo-itself Area: Cargo's documentation A-manifest Area: Cargo.toml issues S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Sep 24, 2024
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epage commented Sep 24, 2024

Starting FCP in parallel to the PR review

@rfcbot fcp merge

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rfcbot commented Sep 24, 2024

Team member @epage has proposed to merge this. The next step is review by the rest of the tagged team members:

No concerns currently listed.

Once a majority of reviewers approve (and at most 2 approvals are outstanding), this will enter its final comment period. If you spot a major issue that hasn't been raised at any point in this process, please speak up!

See this document for info about what commands tagged team members can give me.

@rfcbot rfcbot added proposed-final-comment-period An FCP proposal has started, but not yet signed off. disposition-merge FCP with intent to merge labels Sep 24, 2024
PR rust-lang#5335 added `autobins`, etc for rust-lang#5330.  Nowhere in there is
discussion of `autolib`.

Cargo script disables support for additional build-targets by disabling
discovery.
Except we don't have a way to disable discovery of `autolib`, leading to rust-lang#14476.
By adding `autolib`, we can continue in that direction.

This also allows us to bypass inferring of libs on published packages,
like all other build-targets which were handled in rust-lang#13849.

As this seems fairly low controversy, this insta-stabilizes the field.
In prior versions of Cargo, users will get an "unused manifest key"
warning.
For packags where this is set by `cargo publish`, the warning will be suppressed and things will work as normal.
For `cargo vendor`, the same except there will be some churn in the
vendored source as this field will now be set.
For local development, it should be rare to set `autolib` so the lack of
error by discovering a file when this is set shouldn't be a problem.

Fixes rust-lang#14476
@rfcbot rfcbot added final-comment-period FCP — a period for last comments before action is taken and removed proposed-final-comment-period An FCP proposal has started, but not yet signed off. labels Sep 25, 2024
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rfcbot commented Sep 25, 2024

🔔 This is now entering its final comment period, as per the review above. 🔔

src/cargo/util/toml/targets.rs Outdated Show resolved Hide resolved
@@ -173,6 +173,7 @@ pub struct TomlPackage {
pub publish: Option<InheritableVecStringOrBool>,
pub workspace: Option<String>,
pub im_a_teapot: Option<bool>,
pub autolib: Option<bool>,
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@weihanglo weihanglo Sep 25, 2024

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Everything looks good, except this could potentially break other third-party build tools like cargo-manifest in the future. I'd like to give them a heads-up in https://rust-lang.zulipchat.com/#narrow/stream/334885-t-cargo.2Fbuild-integration and merge on Friday. Any other opinion?

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Thanks for taking care of that!

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cc @kornelski and @LukeMathWalker since you're maintainers of relevant crates.

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cc @Turbo87 who is covering for me while I'm on pat leave

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yep yep, already aware of it :)

@epage epage force-pushed the autolib branch 2 times, most recently from 25310c7 to 5e35e27 Compare September 26, 2024 14:46
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It's Friday! Let us not wait for the entire FCP. Feel free to comment below if you have any further concerns.

@bors r+

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bors commented Sep 27, 2024

📌 Commit 5e35e27 has been approved by weihanglo

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Sep 27, 2024
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bors commented Sep 27, 2024

⌛ Testing commit 5e35e27 with merge b396f2c...

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bors commented Sep 27, 2024

☀️ Test successful - checks-actions
Approved by: weihanglo
Pushing b396f2c to master...

@bors bors merged commit b396f2c into rust-lang:master Sep 27, 2024
24 checks passed
bors added a commit to rust-lang-ci/rust that referenced this pull request Sep 28, 2024
Update cargo

19 commits in eaee77dc1584be45949b75e4c4c9a841605e3a4b..80d82ca22abbee5fb7b51fa1abeb1ae34e99e88a
2024-09-19 21:10:23 +0000 to 2024-09-27 17:56:01 +0000
- Update cc to 1.1.22 (rust-lang/cargo#14607)
- feat: lockfile path implies --locked on cargo install (rust-lang/cargo#14556)
- feat(toml): Add `autolib` (rust-lang/cargo#14591)
- fix: correct error count for `cargo check --message-format json` (rust-lang/cargo#14598)
- test: relax panic output assertion (rust-lang/cargo#14602)
- feat(timings): support dark color scheme in HTML output (rust-lang/cargo#14588)
- feat: add CARGO_MANIFEST_PATH env variable (rust-lang/cargo#14404)
- fix(config): Don't double-warn about `$CARGO_HOME/config` (rust-lang/cargo#14579)
- fix(cargo-rustc): give trailing flags higher precedence on nightly (rust-lang/cargo#14587)
- feat: make lockfile v4 the default (rust-lang/cargo#14595)
- perf: Improve quality of completion performance traces (rust-lang/cargo#14592)
- test: Remove completion tests (rust-lang/cargo#14590)
- feat: Add support for completing `cargo update &lt;TAB&gt;` (rust-lang/cargo#14552)
- test: Migrate remaining with_stdout/with_stderr calls (rust-lang/cargo#14577)
- fix(resolve): Improve multi-MSRV workspaces (rust-lang/cargo#14569)
- chore: Bump MSRV to 1.81 (rust-lang/cargo#14585)
- Add a `--dry-run` flag to the `install` command (rust-lang/cargo#14280)
- fix(resolve): Don't list transitive, incompatible dependencies as available (rust-lang/cargo#14568)
- feat(complete): Upgrade clap_complete (rust-lang/cargo#14573)
@rustbot rustbot added this to the 1.83.0 milestone Sep 28, 2024
@epage epage deleted the autolib branch September 30, 2024 19:59
@rfcbot rfcbot added finished-final-comment-period FCP complete to-announce and removed final-comment-period FCP — a period for last comments before action is taken labels Oct 5, 2024
dcbaker added a commit to dcbaker/meson that referenced this pull request Oct 27, 2024
This adds support for parsing the new `autolib` member
(rust-lang/cargo#14591).

This is a quick and easy fix, suitable for backport. A larger more
involved fix will be to stop splatting out the cargo dictionaries, and
instead pass the fields we know about 1 by 1, and warning the user if we
come across unknown fields.

Fixes: mesonbuild#13826
dcbaker added a commit to dcbaker/meson that referenced this pull request Oct 27, 2024
This adds support for parsing the new `autolib` member
(rust-lang/cargo#14591).

This is a quick and easy fix, suitable for backport. A larger more
involved fix will be to stop splatting out the cargo dictionaries, and
instead pass the fields we know about 1 by 1, and warning the user if we
come across unknown fields.

Fixes: mesonbuild#13826
eli-schwartz pushed a commit to mesonbuild/meson that referenced this pull request Oct 27, 2024
This adds support for parsing the new `autolib` member
(rust-lang/cargo#14591).

This is a quick and easy fix, suitable for backport. A larger more
involved fix will be to stop splatting out the cargo dictionaries, and
instead pass the fields we know about 1 by 1, and warning the user if we
come across unknown fields.

Fixes: #13826
wip-sync pushed a commit to NetBSD/pkgsrc-wip that referenced this pull request Nov 30, 2024
Pkgsrc changes compared to rust182:
 * Remove patches related to rust-lang/rust#130110,
   which is now integrated upstream.
 * Remove patch to vendor/cc-1.0.79, now integrated in the current
   vendored cc crate.
 * Checksum updates.

TODO:
 * Cross-compilation fails ref.
   rust-lang/rust#133629

Upstream changes:

Version 1.83.0 (2024-11-28)
==========================

Language
--------
- [Stabilize `&mut`, `*mut`, `&Cell`, and `*const Cell` in const.]
  (rust-lang/rust#129195)
- [Allow creating references to statics in `const` initializers.]
  (rust-lang/rust#129759)
- [Implement raw lifetimes and labels (`'r#ident`).]
  (rust-lang/rust#126452)
- [Define behavior when atomic and non-atomic reads race.]
  (rust-lang/rust#128778)
- [Non-exhaustive structs may now be empty.]
  (rust-lang/rust#128934)
- [Disallow implicit coercions from places of type `!`]
  (rust-lang/rust#129392)
- [`const extern` functions can now be defined for other calling conventions.]
  (rust-lang/rust#129753)
- [Stabilize `expr_2021` macro fragment specifier in all editions.]
  (rust-lang/rust#129972)
- [The `non_local_definitions` lint now fires on less code and
  warns by default.]
  (rust-lang/rust#127117)

Compiler
--------
- [Deprecate unsound `-Csoft-float` flag.]
  (rust-lang/rust#129897)
- Add many new tier 3 targets:
    - [`aarch64_unknown_nto_qnx700`]
      (rust-lang/rust#127897)
    - [`arm64e-apple-tvos`]
      (rust-lang/rust#130614)
    - [`armv7-rtems-eabihf`]
      (rust-lang/rust#127021)
    - [`loongarch64-unknown-linux-ohos`]
      (rust-lang/rust#130750)
    - [`riscv32-wrs-vxworks` and `riscv64-wrs-vxworks`]
      (rust-lang/rust#130549)
    - [`riscv32{e|em|emc}-unknown-none-elf`]
      (rust-lang/rust#130555)
    - [`x86_64-unknown-hurd-gnu`]
      (rust-lang/rust#128345)
    - [`x86_64-unknown-trusty`]
      (rust-lang/rust#130453)

Refer to Rust's [platform support page][platform-support-doc]
for more information on Rust's tiered platform support.

Libraries
---------
- [Implement `PartialEq` for `ExitCode`.]
  (rust-lang/rust#127633)
- [Document that `catch_unwind` can deal with foreign exceptions
  without UB, although the exact behavior is unspecified.]
  (rust-lang/rust#128321)
- [Implement `Default` for `HashMap`/`HashSet` iterators that don't
  already have it.]
  (rust-lang/rust#128711)
- [Bump Unicode to version 16.0.0.]
  (rust-lang/rust#130183)
- [Change documentation of `ptr::add`/`sub` to not claim equivalence
  with `offset`.]
  (rust-lang/rust#130229).

Stabilized APIs
---------------

- [`BufRead::skip_until`]
  (https://doc.rust-lang.org/stable/std/io/trait.BufRead.html#method.skip_until)
- [`ControlFlow::break_value`]
  (https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.break_value)
- [`ControlFlow::continue_value`]
  (https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.continue_value)
- [`ControlFlow::map_break`]
  (https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.map_break)
- [`ControlFlow::map_continue`]
  (https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.map_continue)
- [`DebugList::finish_non_exhaustive`]
  (https://doc.rust-lang.org/stable/core/fmt/struct.DebugList.html#method.finish_non_exhaustive)
- [`DebugMap::finish_non_exhaustive`]
  (https://doc.rust-lang.org/stable/core/fmt/struct.DebugMap.html#method.finish_non_exhaustive)
- [`DebugSet::finish_non_exhaustive`]
  (https://doc.rust-lang.org/stable/core/fmt/struct.DebugSet.html#method.finish_non_exhaustive)
- [`DebugTuple::finish_non_exhaustive`]
  (https://doc.rust-lang.org/stable/core/fmt/struct.DebugTuple.html#method.finish_non_exhaustive)
- [`ErrorKind::ArgumentListTooLong`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ArgumentListTooLong)
- [`ErrorKind::Deadlock`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.Deadlock)
- [`ErrorKind::DirectoryNotEmpty`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.DirectoryNotEmpty)
- [`ErrorKind::ExecutableFileBusy`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ExecutableFileBusy)
- [`ErrorKind::FileTooLarge`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.FileTooLarge)
- [`ErrorKind::HostUnreachable`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.HostUnreachable)
- [`ErrorKind::IsADirectory`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.IsADirectory)
- [`ErrorKind::NetworkDown`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NetworkDown)
- [`ErrorKind::NetworkUnreachable`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NetworkUnreachable)
- [`ErrorKind::NotADirectory`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NotADirectory)
- [`ErrorKind::NotSeekable`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NotSeekable)
- [`ErrorKind::ReadOnlyFilesystem`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ReadOnlyFilesystem)
- [`ErrorKind::ResourceBusy`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ResourceBusy)
- [`ErrorKind::StaleNetworkFileHandle`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.StaleNetworkFileHandle)
- [`ErrorKind::StorageFull`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.StorageFull)
- [`ErrorKind::TooManyLinks`]
  (https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.TooManyLinks)
- [`Option::get_or_insert_default`]
  (https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.get_or_insert_default)
- [`Waker::data`]
  (https://doc.rust-lang.org/stable/core/task/struct.Waker.html#method.data)
- [`Waker::new`]
  (https://doc.rust-lang.org/stable/core/task/struct.Waker.html#method.new)
- [`Waker::vtable`]
  (https://doc.rust-lang.org/stable/core/task/struct.Waker.html#method.vtable)
- [`char::MIN`]
  (https://doc.rust-lang.org/stable/core/primitive.char.html#associatedconstant.MIN)
- [`hash_map::Entry::insert_entry`]
  (https://doc.rust-lang.org/stable/std/collections/hash_map/enum.Entry.html#method.insert_entry)
- [`hash_map::VacantEntry::insert_entry`]
  (https://doc.rust-lang.org/stable/std/collections/hash_map/struct.VacantEntry.html#method.insert_entry)

These APIs are now stable in const contexts:

- [`Cell::into_inner`]
  (https://doc.rust-lang.org/stable/core/cell/struct.Cell.html#method.into_inner)
- [`Duration::as_secs_f32`]
  (https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.as_secs_f32)
- [`Duration::as_secs_f64`]
  (https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.as_secs_f64)
- [`Duration::div_duration_f32`]
  (https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.div_duration_f32)
- [`Duration::div_duration_f64`]
  (https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.div_duration_f64)
- [`MaybeUninit::as_mut_ptr`]
  (https://doc.rust-lang.org/stable/core/mem/union.MaybeUninit.html#method.as_mut_ptr)
- [`NonNull::as_mut`]
  (https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.as_mut)
- [`NonNull::copy_from`]
  (https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_from)
- [`NonNull::copy_from_nonoverlapping`]
  (https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_from_nonoverlapping)
- [`NonNull::copy_to`]
  (https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_to)
- [`NonNull::copy_to_nonoverlapping`]
  (https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_to_nonoverlapping)
- [`NonNull::slice_from_raw_parts`]
  (https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.slice_from_raw_parts)
- [`NonNull::write`]
  (https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.write)
- [`NonNull::write_bytes`]
  (https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.write_bytes)
- [`NonNull::write_unaligned`]
  (https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.write_unaligned)
- [`OnceCell::into_inner`]
  (https://doc.rust-lang.org/stable/core/cell/struct.OnceCell.html#method.into_inner)
- [`Option::as_mut`]
  (https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.as_mut)
- [`Option::expect`]
  (https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.expect)
- [`Option::replace`]
  (https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.replace)
- [`Option::take`]
  (https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.take)
- [`Option::unwrap`]
  (https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.unwrap)
- [`Option::unwrap_unchecked`]
  (https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.unwrap_unchecked)
- [`Option::<&_>::copied`]
  (https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.copied)
- [`Option::<&mut _>::copied`]
  (https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.copied-1)
- [`Option::<Option<_>>::flatten`]
  (https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.flatten)
- [`Option::<Result<_, _>>::transpose`]
  (https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.transpose)
- [`RefCell::into_inner`]
  (https://doc.rust-lang.org/stable/core/cell/struct.RefCell.html#method.into_inner)
- [`Result::as_mut`]
  (https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.as_mut)
- [`Result::<&_, _>::copied`]
  (https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.copied)
- [`Result::<&mut _, _>::copied`]
  (https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.copied-1)
- [`Result::<Option<_>, _>::transpose`]
  (https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.transpose)
- [`UnsafeCell::get_mut`]
  (https://doc.rust-lang.org/stable/core/cell/struct.UnsafeCell.html#method.get_mut)
- [`UnsafeCell::into_inner`]
  (https://doc.rust-lang.org/stable/core/cell/struct.UnsafeCell.html#method.into_inner)
- [`array::from_mut`]
  (https://doc.rust-lang.org/stable/core/array/fn.from_mut.html)
- [`char::encode_utf8`]
  (https://doc.rust-lang.org/stable/core/primitive.char.html#method.encode_utf8)
- [`{float}::classify`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.classify)
- [`{float}::is_finite`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_finite)
- [`{float}::is_infinite`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_infinite)
- [`{float}::is_nan`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_nan)
- [`{float}::is_normal`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_normal)
- [`{float}::is_sign_negative`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_sign_negative)
- [`{float}::is_sign_positive`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_sign_positive)
- [`{float}::is_subnormal`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_subnormal)
- [`{float}::from_bits`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_bits)
- [`{float}::from_be_bytes`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_be_bytes)
- [`{float}::from_le_bytes`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_le_bytes)
- [`{float}::from_ne_bytes`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_ne_bytes)
- [`{float}::to_bits`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_bits)
- [`{float}::to_be_bytes`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_be_bytes)
- [`{float}::to_le_bytes`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_le_bytes)
- [`{float}::to_ne_bytes`]
  (https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_ne_bytes)
- [`mem::replace`]
  (https://doc.rust-lang.org/stable/core/mem/fn.replace.html)
- [`ptr::replace`]
  (https://doc.rust-lang.org/stable/core/ptr/fn.replace.html)
- [`ptr::slice_from_raw_parts_mut`]
  (https://doc.rust-lang.org/stable/core/ptr/fn.slice_from_raw_parts_mut.html)
- [`ptr::write`]
  (https://doc.rust-lang.org/stable/core/ptr/fn.write.html)
- [`ptr::write_unaligned`]
  (https://doc.rust-lang.org/stable/core/ptr/fn.write_unaligned.html)
- [`<*const _>::copy_to`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to)
- [`<*const _>::copy_to_nonoverlapping`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to_nonoverlapping)
- [`<*mut _>::copy_from`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_from)
- [`<*mut _>::copy_from_nonoverlapping`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_from_nonoverlapping)
- [`<*mut _>::copy_to`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to-1)
- [`<*mut _>::copy_to_nonoverlapping`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to_nonoverlapping-1)
- [`<*mut _>::write`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.write)
- [`<*mut _>::write_bytes`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.write_bytes)
- [`<*mut _>::write_unaligned`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.write_unaligned)
- [`slice::from_mut`]
  (https://doc.rust-lang.org/stable/core/slice/fn.from_mut.html)
- [`slice::from_raw_parts_mut`]
  (https://doc.rust-lang.org/stable/core/slice/fn.from_raw_parts_mut.html)
- [`<[_]>::first_mut`]
  (https://doc.rust-lang.org/stable/core/primitive.slice.html#method.first_mut)
- [`<[_]>::last_mut`]
  (https://doc.rust-lang.org/stable/core/primitive.slice.html#method.last_mut)
- [`<[_]>::first_chunk_mut`]
  (https://doc.rust-lang.org/stable/core/primitive.slice.html#method.first_chunk_mut)
- [`<[_]>::last_chunk_mut`]
  (https://doc.rust-lang.org/stable/core/primitive.slice.html#method.last_chunk_mut)
- [`<[_]>::split_at_mut`]
  (https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_mut)
- [`<[_]>::split_at_mut_checked`]
  (https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_mut_checked)
- [`<[_]>::split_at_mut_unchecked`]
  (https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_mut_unchecked)
- [`<[_]>::split_first_mut`]
  (https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_first_mut)
- [`<[_]>::split_last_mut`]
  (https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_last_mut)
- [`<[_]>::split_first_chunk_mut`]
  (https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_first_chunk_mut)
- [`<[_]>::split_last_chunk_mut`]
  (https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_last_chunk_mut)
- [`str::as_bytes_mut`]
  (https://doc.rust-lang.org/stable/core/primitive.str.html#method.as_bytes_mut)
- [`str::as_mut_ptr`]
  (https://doc.rust-lang.org/stable/core/primitive.str.html#method.as_mut_ptr)
- [`str::from_utf8_unchecked_mut`]
  (https://doc.rust-lang.org/stable/core/str/fn.from_utf8_unchecked_mut.html)

Cargo
-----
- [Introduced a new `CARGO_MANIFEST_PATH` environment variable,
  similar to `CARGO_MANIFEST_DIR` but pointing directly to the manifest
  file.]
  (rust-lang/cargo#14404)
- [Added `package.autolib` to the manifest, allowing `[lib]`
  auto-discovery to be disabled.]
  (rust-lang/cargo#14591)
- [Declare support level for each crate in Cargo's Charter / crate docs.]
  (rust-lang/cargo#14600)
- [Declare new Intentional Artifacts as 'small' changes.]
  (rust-lang/cargo#14599)

Rustdoc
-------

- [The sidebar / hamburger menu table of contents now includes the
  `# headers` from the main item's doc comment]
  (rust-lang/rust#120736). This is similar
  to a third-party feature provided by the rustdoc-search-enhancements
  browser extension.

Compatibility Notes
-------------------
- [Warn against function pointers using unsupported ABI strings.]
  (rust-lang/rust#128784)
- [Check well-formedness of the source type's signature in fn
  pointer casts.]
  (rust-lang/rust#129021) This partly closes
  a soundness hole that comes when casting a function item to
  function pointer
- [Use equality instead of subtyping when resolving type dependent paths.]
  (rust-lang/rust#129073)
- Linking on macOS now correctly includes Rust's default deployment
  target. Due to a linker bug, you might have to pass
  `MACOSX_DEPLOYMENT_TARGET` or fix your `#[link]` attributes to
  point to the correct frameworks. See
  <rust-lang/rust#129369>.
- [Rust will now correctly raise an error for `repr(Rust)` written
  on non-`struct`/`enum`/`union` items, since it previous did not
  have any effect.]
  (rust-lang/rust#129422)
- The future incompatibility lint `deprecated_cfg_attr_crate_type_name`
  [has been made into a hard error]
  (rust-lang/rust#129670). It was used to
  deny usage of `#![crate_type]` and `#![crate_name]` attributes in
  `#![cfg_attr]`, which required a hack in the compiler to be able
  to change the used crate type and crate name after cfg expansion.
  Users can use `--crate-type` instead of `#![cfg_attr(..., crate_type
  = "...")]` and `--crate-name` instead of `#![cfg_attr(...,
  crate_name = "...")]` when running `rustc`/`cargo rustc` on the
  command line.  Use of those two attributes outside of `#![cfg_attr]`
  continue to be fully supported.

- Until now, paths into the sysroot were always prefixed with
  `/rustc/$hash` in diagnostics, codegen, backtrace, e.g.
    ```
    thread 'main' panicked at 'hello world', map-panic.rs:2:50
    stack backtrace:
       0: std::panicking::begin_panic
                 at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:616:12
       1: map_panic::main::{{closure}}
                 at ./map-panic.rs:2:50
       2: core::option::Option<T>::map
                 at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/option.rs:929:29
       3: map_panic::main
                 at ./map-panic.rs:2:30
       4: core::ops::function::FnOnce::call_once
                 at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/ops/function.rs:248:5
    note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
    ```
  [RFC 3127 said]
  (https://rust-lang.github.io/rfcs/3127-trim-paths.html#changing-handling-of-sysroot-path-in-rustc)
  > We want to change this behaviour such that, when `rust-src`
    source files can be discovered, the virtual path is discarded
    and therefore the local path will be embedded, unless there is
    a `--remap-path-prefix` that causes this local path to be remapped
    in the usual way.

    [#129687](rust-lang/rust#129687)
    implements this behaviour, when `rust-src` is present at compile
    time, `rustc` replaces `/rustc/$hash` with a real path into
    the local `rust-src` component with best effort.  To sanitize
    this, users must explicitly supply `--remap-path-prefix=<path
    to rust-src>=foo` or not have the `rust-src` component installed.
- The allow-by-default `missing_docs` lint used to disable itself
  when invoked through `rustc --test`/`cargo test`, resulting in
  `#[expect(missing_docs)]` emitting false positives due to the
  expectation being wrongly unfulfilled. This behavior [has now been
  removed]
  (rust-lang/rust#130025), which allows
  `#[expect(missing_docs)]` to be fulfilled in all scenarios, but
  will also report new `missing_docs` diagnostics for publicly
  reachable `#[cfg(test)]` items, [integration test]
  (https://doc.rust-lang.org/cargo/reference/cargo-targets.html#integration-tests)
  crate-level documentation, and publicly reachable items in
  integration tests.
- [The `armv8r-none-eabihf` target now uses the Armv8-R required
  set of floating-point features.]
  (rust-lang/rust#130295)
- [Fix a soundness bug where rustc wouldn't detect unconstrained
  higher-ranked lifetimes in a `dyn Trait`'s associated types that
  occur due to supertraits.]
  (rust-lang/rust#130367)
- [Update the minimum external LLVM version to 18.]
  (rust-lang/rust#130487)
- [Remove `aarch64-fuchsia` and `x86_64-fuchsia` target aliases in
  favor of `aarch64-unknown-fuchsia` and `x86_64-unknown-fuchsia`
  respectively.]
  (rust-lang/rust#130657)
- [The ABI-level exception class of a Rust panic is now encoded
  with native-endian bytes, so it is legible in hex dumps.]
  (rust-lang/rust#130897)
- [Visual Studio 2013 is no longer supported for MSVC targets.]
  (rust-lang/rust#131070)
- [The sysroot no longer contains the `std` dynamic library in its
  top-level `lib/` dir.]
  (rust-lang/rust#131188)
tmeijn pushed a commit to tmeijn/dotfiles that referenced this pull request Dec 5, 2024
This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [rust](https://github.com/rust-lang/rust) | minor | `1.82.0` -> `1.83.0` |

MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot).

**Proposed changes to behavior should be submitted there as MRs.**

---

### Release Notes

<details>
<summary>rust-lang/rust (rust)</summary>

### [`v1.83.0`](https://github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1830-2024-11-28)

[Compare Source](rust-lang/rust@1.82.0...1.83.0)

\==========================

<a id="1.83.0-Language"></a>

## Language

-   [Stabilize `&mut`, `*mut`, `&Cell`, and `*const Cell` in const.](rust-lang/rust#129195)
-   [Allow creating references to statics in `const` initializers.](rust-lang/rust#129759)
-   [Implement raw lifetimes and labels (`'r#ident`).](rust-lang/rust#126452)
-   [Define behavior when atomic and non-atomic reads race.](rust-lang/rust#128778)
-   [Non-exhaustive structs may now be empty.](rust-lang/rust#128934)
-   [Disallow implicit coercions from places of type `!`](rust-lang/rust#129392)
-   [`const extern` functions can now be defined for other calling conventions.](rust-lang/rust#129753)
-   [Stabilize `expr_2021` macro fragment specifier in all editions.](rust-lang/rust#129972)
-   [The `non_local_definitions` lint now fires on less code and warns by default.](rust-lang/rust#127117)

<a id="1.83.0-Compiler"></a>

## Compiler

-   [Deprecate unsound `-Csoft-float` flag.](rust-lang/rust#129897)
-   Add many new tier 3 targets:
    -   [`aarch64_unknown_nto_qnx700`](rust-lang/rust#127897)
    -   [`arm64e-apple-tvos`](rust-lang/rust#130614)
    -   [`armv7-rtems-eabihf`](rust-lang/rust#127021)
    -   [`loongarch64-unknown-linux-ohos`](rust-lang/rust#130750)
    -   [`riscv32-wrs-vxworks` and `riscv64-wrs-vxworks`](rust-lang/rust#130549)
    -   [`riscv32{e|em|emc}-unknown-none-elf`](rust-lang/rust#130555)
    -   [`x86_64-unknown-hurd-gnu`](rust-lang/rust#128345)
    -   [`x86_64-unknown-trusty`](rust-lang/rust#130453)

Refer to Rust's \[platform support page]\[platform-support-doc]
for more information on Rust's tiered platform support.

<a id="1.83.0-Libraries"></a>

## Libraries

-   [Implement `PartialEq` for `ExitCode`.](rust-lang/rust#127633)
-   [Document that `catch_unwind` can deal with foreign exceptions without UB, although the exact behavior is unspecified.](rust-lang/rust#128321)
-   [Implement `Default` for `HashMap`/`HashSet` iterators that don't already have it.](rust-lang/rust#128711)
-   [Bump Unicode to version 16.0.0.](rust-lang/rust#130183)
-   [Change documentation of `ptr::add`/`sub` to not claim equivalence with `offset`.](rust-lang/rust#130229)

<a id="1.83.0-Stabilized-APIs"></a>

## Stabilized APIs

-   [`BufRead::skip_until`](https://doc.rust-lang.org/stable/std/io/trait.BufRead.html#method.skip_until)
-   [`ControlFlow::break_value`](https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.break_value)
-   [`ControlFlow::continue_value`](https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.continue_value)
-   [`ControlFlow::map_break`](https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.map_break)
-   [`ControlFlow::map_continue`](https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.map_continue)
-   [`DebugList::finish_non_exhaustive`](https://doc.rust-lang.org/stable/core/fmt/struct.DebugList.html#method.finish_non_exhaustive)
-   [`DebugMap::finish_non_exhaustive`](https://doc.rust-lang.org/stable/core/fmt/struct.DebugMap.html#method.finish_non_exhaustive)
-   [`DebugSet::finish_non_exhaustive`](https://doc.rust-lang.org/stable/core/fmt/struct.DebugSet.html#method.finish_non_exhaustive)
-   [`DebugTuple::finish_non_exhaustive`](https://doc.rust-lang.org/stable/core/fmt/struct.DebugTuple.html#method.finish_non_exhaustive)
-   [`ErrorKind::ArgumentListTooLong`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ArgumentListTooLong)
-   [`ErrorKind::Deadlock`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.Deadlock)
-   [`ErrorKind::DirectoryNotEmpty`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.DirectoryNotEmpty)
-   [`ErrorKind::ExecutableFileBusy`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ExecutableFileBusy)
-   [`ErrorKind::FileTooLarge`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.FileTooLarge)
-   [`ErrorKind::HostUnreachable`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.HostUnreachable)
-   [`ErrorKind::IsADirectory`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.IsADirectory)
-   [`ErrorKind::NetworkDown`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NetworkDown)
-   [`ErrorKind::NetworkUnreachable`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NetworkUnreachable)
-   [`ErrorKind::NotADirectory`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NotADirectory)
-   [`ErrorKind::NotSeekable`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NotSeekable)
-   [`ErrorKind::ReadOnlyFilesystem`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ReadOnlyFilesystem)
-   [`ErrorKind::ResourceBusy`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ResourceBusy)
-   [`ErrorKind::StaleNetworkFileHandle`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.StaleNetworkFileHandle)
-   [`ErrorKind::StorageFull`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.StorageFull)
-   [`ErrorKind::TooManyLinks`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.TooManyLinks)
-   [`Option::get_or_insert_default`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.get_or_insert_default)
-   [`Waker::data`](https://doc.rust-lang.org/stable/core/task/struct.Waker.html#method.data)
-   [`Waker::new`](https://doc.rust-lang.org/stable/core/task/struct.Waker.html#method.new)
-   [`Waker::vtable`](https://doc.rust-lang.org/stable/core/task/struct.Waker.html#method.vtable)
-   [`char::MIN`](https://doc.rust-lang.org/stable/core/primitive.char.html#associatedconstant.MIN)
-   [`hash_map::Entry::insert_entry`](https://doc.rust-lang.org/stable/std/collections/hash_map/enum.Entry.html#method.insert_entry)
-   [`hash_map::VacantEntry::insert_entry`](https://doc.rust-lang.org/stable/std/collections/hash_map/struct.VacantEntry.html#method.insert_entry)

These APIs are now stable in const contexts:

-   [`Cell::into_inner`](https://doc.rust-lang.org/stable/core/cell/struct.Cell.html#method.into_inner)
-   [`Duration::as_secs_f32`](https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.as_secs_f32)
-   [`Duration::as_secs_f64`](https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.as_secs_f64)
-   [`Duration::div_duration_f32`](https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.div_duration_f32)
-   [`Duration::div_duration_f64`](https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.div_duration_f64)
-   [`MaybeUninit::as_mut_ptr`](https://doc.rust-lang.org/stable/core/mem/union.MaybeUninit.html#method.as_mut_ptr)
-   [`NonNull::as_mut`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.as_mut)
-   [`NonNull::copy_from`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_from)
-   [`NonNull::copy_from_nonoverlapping`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_from_nonoverlapping)
-   [`NonNull::copy_to`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_to)
-   [`NonNull::copy_to_nonoverlapping`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_to_nonoverlapping)
-   [`NonNull::slice_from_raw_parts`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.slice_from_raw_parts)
-   [`NonNull::write`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.write)
-   [`NonNull::write_bytes`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.write_bytes)
-   [`NonNull::write_unaligned`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.write_unaligned)
-   [`OnceCell::into_inner`](https://doc.rust-lang.org/stable/core/cell/struct.OnceCell.html#method.into_inner)
-   [`Option::as_mut`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.as_mut)
-   [`Option::expect`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.expect)
-   [`Option::replace`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.replace)
-   [`Option::take`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.take)
-   [`Option::unwrap`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.unwrap)
-   [`Option::unwrap_unchecked`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.unwrap_unchecked)
-   [`Option::<&_>::copied`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.copied)
-   [`Option::<&mut _>::copied`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.copied-1)
-   [`Option::<Option<_>>::flatten`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.flatten)
-   [`Option::<Result<_, _>>::transpose`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.transpose)
-   [`RefCell::into_inner`](https://doc.rust-lang.org/stable/core/cell/struct.RefCell.html#method.into_inner)
-   [`Result::as_mut`](https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.as_mut)
-   [`Result::<&_, _>::copied`](https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.copied)
-   [`Result::<&mut _, _>::copied`](https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.copied-1)
-   [`Result::<Option<_>, _>::transpose`](https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.transpose)
-   [`UnsafeCell::get_mut`](https://doc.rust-lang.org/stable/core/cell/struct.UnsafeCell.html#method.get_mut)
-   [`UnsafeCell::into_inner`](https://doc.rust-lang.org/stable/core/cell/struct.UnsafeCell.html#method.into_inner)
-   [`array::from_mut`](https://doc.rust-lang.org/stable/core/array/fn.from_mut.html)
-   [`char::encode_utf8`](https://doc.rust-lang.org/stable/core/primitive.char.html#method.encode_utf8)
-   [`{float}::classify`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.classify)
-   [`{float}::is_finite`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_finite)
-   [`{float}::is_infinite`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_infinite)
-   [`{float}::is_nan`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_nan)
-   [`{float}::is_normal`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_normal)
-   [`{float}::is_sign_negative`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_sign_negative)
-   [`{float}::is_sign_positive`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_sign_positive)
-   [`{float}::is_subnormal`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_subnormal)
-   [`{float}::from_bits`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_bits)
-   [`{float}::from_be_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_be_bytes)
-   [`{float}::from_le_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_le_bytes)
-   [`{float}::from_ne_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_ne_bytes)
-   [`{float}::to_bits`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_bits)
-   [`{float}::to_be_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_be_bytes)
-   [`{float}::to_le_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_le_bytes)
-   [`{float}::to_ne_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_ne_bytes)
-   [`mem::replace`](https://doc.rust-lang.org/stable/core/mem/fn.replace.html)
-   [`ptr::replace`](https://doc.rust-lang.org/stable/core/ptr/fn.replace.html)
-   [`ptr::slice_from_raw_parts_mut`](https://doc.rust-lang.org/stable/core/ptr/fn.slice_from_raw_parts_mut.html)
-   [`ptr::write`](https://doc.rust-lang.org/stable/core/ptr/fn.write.html)
-   [`ptr::write_unaligned`](https://doc.rust-lang.org/stable/core/ptr/fn.write_unaligned.html)
-   [`<*const _>::copy_to`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to)
-   [`<*const _>::copy_to_nonoverlapping`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to_nonoverlapping)
-   [`<*mut _>::copy_from`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_from)
-   [`<*mut _>::copy_from_nonoverlapping`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_from_nonoverlapping)
-   [`<*mut _>::copy_to`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to-1)
-   [`<*mut _>::copy_to_nonoverlapping`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to_nonoverlapping-1)
-   [`<*mut _>::write`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.write)
-   [`<*mut _>::write_bytes`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.write_bytes)
-   [`<*mut _>::write_unaligned`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.write_unaligned)
-   [`slice::from_mut`](https://doc.rust-lang.org/stable/core/slice/fn.from_mut.html)
-   [`slice::from_raw_parts_mut`](https://doc.rust-lang.org/stable/core/slice/fn.from_raw_parts_mut.html)
-   [`<[_]>::first_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.first_mut)
-   [`<[_]>::last_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.last_mut)
-   [`<[_]>::first_chunk_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.first_chunk_mut)
-   [`<[_]>::last_chunk_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.last_chunk_mut)
-   [`<[_]>::split_at_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_mut)
-   [`<[_]>::split_at_mut_checked`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_mut_checked)
-   [`<[_]>::split_at_mut_unchecked`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_mut_unchecked)
-   [`<[_]>::split_first_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_first_mut)
-   [`<[_]>::split_last_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_last_mut)
-   [`<[_]>::split_first_chunk_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_first_chunk_mut)
-   [`<[_]>::split_last_chunk_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_last_chunk_mut)
-   [`str::as_bytes_mut`](https://doc.rust-lang.org/stable/core/primitive.str.html#method.as_bytes_mut)
-   [`str::as_mut_ptr`](https://doc.rust-lang.org/stable/core/primitive.str.html#method.as_mut_ptr)
-   [`str::from_utf8_unchecked_mut`](https://doc.rust-lang.org/stable/core/str/fn.from_utf8\_unchecked_mut.html)

<a id="1.83.0-Cargo"></a>

## Cargo

-   [Introduced a new `CARGO_MANIFEST_PATH` environment variable, similar to `CARGO_MANIFEST_DIR` but pointing directly to the manifest file.](rust-lang/cargo#14404)
-   [Added `package.autolib` to the manifest, allowing `[lib]` auto-discovery to be disabled.](rust-lang/cargo#14591)
-   [Declare support level for each crate in Cargo's Charter / crate docs.](rust-lang/cargo#14600)
-   [Declare new Intentional Artifacts as 'small' changes.](rust-lang/cargo#14599)

<a id="1.83-Rustdoc"></a>

## Rustdoc

-   [The sidebar / hamburger menu table of contents now includes the `# headers` from the main item's doc comment](rust-lang/rust#120736). This is similar to a third-party feature provided by the rustdoc-search-enhancements browser extension.

<a id="1.83.0-Compatibility-Notes"></a>

## Compatibility Notes

-   [Warn against function pointers using unsupported ABI strings.](rust-lang/rust#128784)
-   [Check well-formedness of the source type's signature in fn pointer casts.](rust-lang/rust#129021) This partly closes a soundness hole that comes when casting a function item to function pointer
-   [Use equality instead of subtyping when resolving type dependent paths.](rust-lang/rust#129073)
-   Linking on macOS now correctly includes Rust's default deployment target. Due to a linker bug, you might have to pass `MACOSX_DEPLOYMENT_TARGET` or fix your `#[link]` attributes to point to the correct frameworks. See [#&#8203;129369](rust-lang/rust#129369).
-   [Rust will now correctly raise an error for `repr(Rust)` written on non-`struct`/`enum`/`union` items, since it previous did not have any effect.](rust-lang/rust#129422)
-   The future incompatibility lint `deprecated_cfg_attr_crate_type_name` [has been made into a hard error](rust-lang/rust#129670). It was used to deny usage of `#![crate_type]` and `#![crate_name]` attributes in `#![cfg_attr]`, which required a hack in the compiler to be able to change the used crate type and crate name after cfg expansion.
    Users can use `--crate-type` instead of `#![cfg_attr(..., crate_type = "...")]` and `--crate-name` instead of `#![cfg_attr(..., crate_name = "...")]` when running `rustc`/`cargo rustc` on the command line.
    Use of those two attributes outside of `#![cfg_attr]` continue to be fully supported.
-   Until now, paths into the sysroot were always prefixed with `/rustc/$hash` in diagnostics, codegen, backtrace, e.g.

        thread 'main' panicked at 'hello world', map-panic.rs:2:50
        stack backtrace:
           0: std::panicking::begin_panic
                     at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:616:12
           1: map_panic::main::{{closure}}
                     at ./map-panic.rs:2:50
           2: core::option::Option<T>::map
                     at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/option.rs:929:29
           3: map_panic::main
                     at ./map-panic.rs:2:30
           4: core::ops::function::FnOnce::call_once
                     at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/ops/function.rs:248:5
        note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

    [RFC 3127 said](https://rust-lang.github.io/rfcs/3127-trim-paths.html#changing-handling-of-sysroot-path-in-rustc)

    > We want to change this behaviour such that, when `rust-src` source files can be discovered, the virtual path is discarded and therefore the local path will be embedded, unless there is a `--remap-path-prefix` that causes this local path to be remapped in the usual way.

    [#&#8203;129687](rust-lang/rust#129687) implements this behaviour, when `rust-src` is present at compile time, `rustc` replaces `/rustc/$hash` with a real path into the local `rust-src` component with best effort.
    To sanitize this, users must explicitly supply `--remap-path-prefix=<path to rust-src>=foo` or not have the `rust-src` component installed.
-   The allow-by-default `missing_docs` lint used to disable itself when invoked through `rustc --test`/`cargo test`, resulting in `#[expect(missing_docs)]` emitting false positives due to the expectation being wrongly unfulfilled. This behavior [has now been removed](rust-lang/rust#130025), which allows `#[expect(missing_docs)]` to be fulfilled in all scenarios, but will also report new `missing_docs` diagnostics for publicly reachable `#[cfg(test)]` items, [integration test](https://doc.rust-lang.org/cargo/reference/cargo-targets.html#integration-tests) crate-level documentation, and publicly reachable items in integration tests.
-   [The `armv8r-none-eabihf` target now uses the Armv8-R required set of floating-point features.](rust-lang/rust#130295)
-   [Fix a soundness bug where rustc wouldn't detect unconstrained higher-ranked lifetimes in a `dyn Trait`'s associated types that occur due to supertraits.](rust-lang/rust#130367)
-   [Update the minimum external LLVM version to 18.](rust-lang/rust#130487)
-   [Remove `aarch64-fuchsia` and `x86_64-fuchsia` target aliases in favor of `aarch64-unknown-fuchsia` and `x86_64-unknown-fuchsia` respectively.](rust-lang/rust#130657)
-   [The ABI-level exception class of a Rust panic is now encoded with native-endian bytes, so it is legible in hex dumps.](rust-lang/rust#130897)
-   [Visual Studio 2013 is no longer supported for MSVC targets.](rust-lang/rust#131070)
-   [The sysroot no longer contains the `std` dynamic library in its top-level `lib/` dir.](rust-lang/rust#131188)

</details>

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eli-schwartz pushed a commit to mesonbuild/meson that referenced this pull request Dec 15, 2024
This adds support for parsing the new `autolib` member
(rust-lang/cargo#14591).

This is a quick and easy fix, suitable for backport. A larger more
involved fix will be to stop splatting out the cargo dictionaries, and
instead pass the fields we know about 1 by 1, and warning the user if we
come across unknown fields.

Fixes: #13826
(cherry picked from commit b131b2d)
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