[dependabot]

Warning

Cooldown could not be applied because no publication date was available from the registry.

Bumps rust-toolchain from 1.99 to 1.100.

Release notes

Sourced from rust-toolchain's releases.

Rust 1.100.0

Language

• Stabilize never type
• Lint against repeated #[repr(..)] attributes
• Stabilize extern "custom"
• Extend dropping_references, dropping_copy_types and undropped_manually_drops lints to drop_in_place
• unfulfilled_lint_expectations no longer fires on #[expect(dead_code)] inside code that is covered by a dead parent's diagnostic
• Turn the error for repr(align) fields in a repr(packed) type into a deny-by-default lint aligned_fields_in_packed
• volatile: allow accesses to non-AM memory to trap

Compiler

• Stabilize -Cprofile-sample-use
• Enable next solver by default in orphanck

Platform Support

• i686-pc-windows-gnu is now a tier 2 without host tools target
• Promote wasm32-wasip3 to Tier 2
• Add new Tier 3 target powerpc64-sony-ps3

Refer to Rust's platform support page for more information on Rust's tiered platform support.

Libraries

• Stabilize custom allocators
• Map ENOTSUP to ErrorKind::Unsupported
• Fix soundness issues in std::sys::pal::sgx::waitqueue::unsafe_list

Stabilized APIs

• impl PartialEq<Cow<'_, [U]>> for Vec<T, A>
• impl PartialEq<Cow<'_, [U]>> for &[T]
• impl PartialEq<Cow<'_, [U]>> for &mut [T]
• std::alloc::Allocator
• std::alloc::Global
• std::alloc::System
• impl Allocator for Global
• impl Allocator for System

... (truncated)

Changelog

Sourced from rust-toolchain's changelog.

Version 1.100.0 (2026-11-12)

Language

• Stabilize never type
• Lint against repeated #[repr(..)] attributes
• Stabilize extern "custom"
• Extend dropping_references, dropping_copy_types and undropped_manually_drops lints to drop_in_place
• unfulfilled_lint_expectations no longer fires on #[expect(dead_code)] inside code that is covered by a dead parent's diagnostic
• Turn the error for repr(align) fields in a repr(packed) type into a deny-by-default lint aligned_fields_in_packed
• volatile: allow accesses to non-AM memory to trap

Compiler

• Stabilize -Cprofile-sample-use
• Enable next solver by default in orphanck

Platform Support

• i686-pc-windows-gnu is now a tier 2 without host tools target
• Promote wasm32-wasip3 to Tier 2
• Add new Tier 3 target powerpc64-sony-ps3

Refer to Rust's platform support page for more information on Rust's tiered platform support.

Libraries

• Stabilize custom allocators
• Map ENOTSUP to ErrorKind::Unsupported
• Fix soundness issues in std::sys::pal::sgx::waitqueue::unsafe_list

Stabilized APIs

... (truncated)

Commits

• 0ef1bc3 Auto merge of #165710 - cuviper:stable-next, r=cuviper
• 18929dc Bump stable channel
• f262a78 Update relnotes from main and 165522
• 3b0202d Auto merge of #165577 - Amanieu:musl-security-beta, r=cuviper
• 986bb41 Apply musl security patches to targets using crosstool-ng
• b8bd871 Patch musl for CVE-2026-107891
• b0aaa0f Auto merge of #165530 - Muscraft:cargo-1.100-beta-backport, r=weihanglo
• 6dcf0f0 [beta-1.100] Update cargo submodule
• 57b9321 Auto merge of #165513 - JonathanBrouwer:beta-next, r=JonathanBrouwer
• 9ec73a3 fix ICE in arbitrary_source_item_ordering (#17941)
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)