docs: Declare support level for each crate in our Charter / docs #14600

epage · 2024-09-26T16:12:58Z

What does this PR try to resolve?

This is to bring us into conformance with the Rust crate ownership policy.

Items of note

cargo does not have a status specified on it. cargo install cargo shouldn't be done and cargo add cargo is "internal" but putting in our README that Cargo is "internal" feels weird from a messaging perspective.
cargo-credential-1password is declared as Experimental as it is intended for the community but I was unsure if we wanted to commit to full support for it. In my mind, the ideal thing to do would be to expatriate this to 1password.
home is declared as Internal despite its wide use within the ecosystem.
cargo-credential is declared as Intentional as its an API intended for the wider ecosystem and I didn't see a reason to declare it experimental.
cargo-platform, cargo-util-schemas, and crates-io are declared as Intentional as they are both used internally and intended for others to use for logic that integrates with cargo/registries. I wondered about these being Experimental or Internal instead.

How should we test and review this PR?

I was mixed on what to do with unpublished crates (and didn't fully check what all is unpublished).
I ended up only skipping xtasks.

Additional information

rustbot · 2024-09-26T16:13:04Z

r? @ehuss

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epage · 2024-09-26T16:14:01Z

While the policy asks for an RFC for making things Intentional and #14599 isn't approved yet, I'm going to at least start this attempting to codify where things are at, rather than set new policy.

@rfcbot fcp merge

rfcbot · 2024-09-26T16:14:03Z

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.

This is to bring us into conformance with the [Rust crate ownership policy](https://forge.rust-lang.org/policies/crate-ownership.html). Items of note - `cargo-credential-1password` is declared as Experimental as it is intended for the community but I was unsure if we wanted to commit to full support for it. In my mind, the ideal thing to do would be to expatriate this to 1password. - `home` is declared as Internal despite its wide use within the ecosystem. - `cargo-credential` is declared as Intentional as its an API intended for the wider ecosystem and I didn't see a reason to declare it experimental. - `cargo-platform`, `cargo-util-schemas`, and `crates-io` are declared as Intentional as they are both used internally and intended for others to use for logic that integrates with cargo/registries. I wondered about these being Experimental or Internal instead.

ehuss

Thanks for putting this together, it looks great!

ehuss · 2024-09-28T19:58:59Z

crates/rustfix/README.md

@@ -9,6 +9,10 @@ This is a low-level library. You pass it the JSON output from `rustc`, and you c

 If you are looking for the [`cargo fix`] implementation, the core of it is located in [`cargo::ops::fix`].

+> This crate is maintained by the Cargo team, primarily for use by Cargo


Hm, this one is a bit tricky. It is used by compiletest and ui_test. I wonder about making this a little more broad, such as "Cargo and the Rust compiler test suite" or something like that?

ehuss · 2024-09-28T20:12:38Z

crates/cargo-platform/README.md

+> This crate is maintained by the Cargo team for use by the wider
+> ecosystem. This crate follows semver compatibility for its APIs.


I'm on the fence here. My intention when I created it was to be more "internal". I was thinking that if others found it useful, we could expand that to a more "experimental" status. I didn't know if anyone would actually have a use for it, and it wasn't really something I wanted to put effort into.

Also, as evident by the lack of a README, this isn't really up to my standards for an intentional artifact that we intend to support.

It looks like it has a few dependents now, though: https://crates.io/crates/cargo-platform/reverse_dependencies.

I'm fine with elevating this to be "intentional" if ya'll agree. It has required almost no maintenance effort, and I don't expect us to delete it, and we already have semver checks. I just wanted to make clear what I was originally thinking.

(We probably should eventually add a real README, though 🤣)

Thanks for the clarification!

I think its reasonable for the Rust Project to provide an API for this micro-DSL. My main concern is what shape any of that should take and thats where I feel like the commitment of "Intentional" is strong. Granted, the definition of "Intentional" is strong enough I'm hesitant to mark anything intentional but anything else would also be too weak / scare people away.

ehuss · 2024-09-28T20:23:39Z

cargo does not have a status specified on it.

This is probably should say something. I'm personally fine with putting it in the root README. Can you say more about your concern about the messaging? Is it related to the README having different audiences?

epage · 2024-09-29T01:50:15Z

This is probably should say something. I'm personally fine with putting it in the root README. Can you say more about your concern about the messaging? Is it related to the README having different audiences?

I think thats a way of summing it up. If someone goes to the Cargo repo to learn about Cargo and sees a big banner saying that Cargo is experimental or internal, that will send the wrong message. However, we do want to send a message like that to anyone who builds the binary directly or tries to depend on it as a library.

ehuss · 2024-10-01T13:42:17Z

I think it should be fine to include the notice in the root README with the right wording to make it clear what it means. The README already has some low-level documentation for building cargo, which is for a very limited audience.

epage · 2024-10-01T15:53:21Z

I've done a pass at wording for cargo in both README.md and src/cargo/lib.rs

rfcbot · 2024-10-01T16:13:42Z

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

weihanglo · 2024-10-01T21:57:08Z

README.md

@@ -9,6 +9,13 @@ Cargo downloads your Rust project’s dependencies and compiles your project.
 [The Cargo Book]: https://doc.rust-lang.org/cargo/
 [Cargo Contributor Guide]: https://rust-lang.github.io/cargo/contrib/

+> The Cargo binary distributed through with Rust is maintained by the Cargo


This is already mentioned in the "Installing Cargo" section.

Should we move "For all other uses of this crate..." to under "Compiling from Source"? Something like

## Compiling from Source While [the `cargo` crate](https://crates.io/crates/cargo) is avaiable via crates.io, compiling it from source is not intended for external use, regardless for using either as a binary or library. This crate may make major changes to its APIs. ### Requirements

That section heavily implies "building the binary from source" and doesn't really cover the "depending on it as a library" case.

I feel like a lot of this should be re-worked, mostly by moving in to the contributor guide. I recommend we remove the install instructions and defer re-working the compilation instructions.

weihanglo

Since Eric's concern has been addressed. I am going to merge this.

If there are other concerns, we can address later.

weihanglo · 2024-10-02T18:57:40Z

@bors r+

bors · 2024-10-02T18:57:43Z

📌 Commit 5c87c14 has been approved by weihanglo

It is now in the queue for this repository.

bors · 2024-10-02T18:58:51Z

⌛ Testing commit 5c87c14 with merge 2652990...

bors · 2024-10-02T19:29:23Z

☀️ Test successful - checks-actions
Approved by: weihanglo
Pushing 2652990 to master...

Update cargo 17 commits in 80d82ca22abbee5fb7b51fa1abeb1ae34e99e88a..ad074abe3a18ce8444c06f962ceecfd056acfc73 2024-09-27 17:56:01 +0000 to 2024-10-04 18:18:15 +0000 - test: Remove the last of our custom json assertions (rust-lang/cargo#14576) - docs(ref): Expand on MSRV (rust-lang/cargo#14636) - docs: Minor re-grouping of pages (rust-lang/cargo#14620) - docs(ref): Highleft whats left for msrv-policy (rust-lang/cargo#14638) - Fix `cargo:version_number` - has only one `:` (rust-lang/cargo#14637) - docs: Declare support level for each crate in our Charter / docs (rust-lang/cargo#14600) - chore(deps): update tar to 0.4.42 (rust-lang/cargo#14632) - docs(charter): Declare new Intentional Artifacts as 'small' changes (rust-lang/cargo#14599) - fix: Remove implicit feature removal (rust-lang/cargo#14630) - docs(config): make `--config <PATH>` more prominent (rust-lang/cargo#14631) - chore(deps): update rust crate unicode-width to 0.2.0 (rust-lang/cargo#14624) - chore(deps): update embarkstudios/cargo-deny-action action to v2 (rust-lang/cargo#14628) - docs(ref): Clean up language for `package.rust-version` (rust-lang/cargo#14619) - docs: clarify `target.'cfg(...)'` doesnt respect cfg from build script (rust-lang/cargo#14312) - test: relax compiler panic assertions (rust-lang/cargo#14618) - refactor(compiler): zero-copy deserialization when possible (rust-lang/cargo#14608) - test: add support for features in the sat resolver (rust-lang/cargo#14583)

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)

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 [#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/$hash` in diagnostics, codegen, backtrace, e.g. thread 'main' panicked at 'hello world', map-panic.rs:2:50 stack backtrace: 0: std::panicking::begin_panic at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:616:12 1: map_panic::main::{{closure}} at ./map-panic.rs:2:50 2: core::option::Option<T>::map at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/option.rs:929:29 3: map_panic::main at ./map-panic.rs:2:30 4: core::ops::function::FnOnce::call_once at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/ops/function.rs:248:5 note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace. [RFC 3127 said](https://rust-lang.github.io/rfcs/3127-trim-paths.html#changing-handling-of-sysroot-path-in-rustc) > We want to change this behaviour such that, when `rust-src` source files can be discovered, the virtual path is discarded and therefore the local path will be embedded, unless there is a `--remap-path-prefix` that causes this local path to be remapped in the usual way. [#129687](rust-lang/rust#129687) implements this behaviour, when `rust-src` is present at compile time, `rustc` replaces `/rustc/$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> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this MR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

epage added the T-cargo Team: Cargo label Sep 26, 2024

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chore: Bump versions

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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 Oct 2, 2024

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Migrate Cargo's &Option<T> into Option<&T> #14609

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Update cargo rust-lang/rust#131124

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docs: Declare support level for each crate in our Charter / docs #14600

docs: Declare support level for each crate in our Charter / docs #14600

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		@@ -9,6 +9,10 @@ This is a low-level library. You pass it the JSON output from `rustc`, and you c

		If you are looking for the [`cargo fix`] implementation, the core of it is located in [`cargo::ops::fix`].

		> This crate is maintained by the Cargo team, primarily for use by Cargo

		> This crate is maintained by the Cargo team for use by the wider
		> ecosystem. This crate follows semver compatibility for its APIs.

docs: Declare support level for each crate in our Charter / docs #14600

docs: Declare support level for each crate in our Charter / docs #14600

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