Automatic toolchain upgrade to nightly-2026-07-02

[github-actions]

Update Rust toolchain from nightly-2026-07-01 to nightly-2026-07-02 without any other source changes.

[github-actions]

This is an automatically generated pull request. If any of the CI checks fail,
manual intervention is required. In such a case, review the changes at
https://github.com/rust-lang/rust from
rust-lang/rust@f46ec52 up to
rust-lang/rust@4c9d2bf. The log
for this commit range is:

https://github.com/rust-lang/rust/commit/4c9d2bfe4a Auto merge of #158663 - JonathanBrouwer:rollup-vypSRyC, r=JonathanBrouwer

rust-lang/rust@ddf0d0fd0b Rollup merge of #158647 - theemathas:circumfix-overlap, r=clarfonthey
rust-lang/rust@1c4af67116 Rollup merge of #158634 - nnethercote:add-missing-needs_drop, r=Nadrieril
rust-lang/rust@ca693dcb6a Rollup merge of #158633 - nnethercote:resolver-Clones, r=petrochenkov
rust-lang/rust@67c06c6bd3 Rollup merge of #158620 - Shourya742:2026-06-30-add-early-binder-def-id, r=lcnr
rust-lang/rust@1f1084758f Rollup merge of #158613 - fs-rachel:fix-getrandom-fallback-test, r=joboet
rust-lang/rust@aad6334ba8 Rollup merge of #158397 - aerooneqq:delegation-self-type-mapping, r=petrochenkov
rust-lang/rust@9b11acc37e Rollup merge of #156716 - heinwol:fix-ui-tests-alloc-id-parallel-frontend, r=petrochenkov
rust-lang/rust@35c2fcfe42 Rollup merge of #158294 - AsakuraMizu:windows-drectve-export, r=oli-obk
rust-lang/rust@e2b71ade2d Auto merge of #158604 - LorrensP-2158466:less-alloc-during-res, r=petrochenkov
rust-lang/rust@4f436ab72e Document strip_circumfix behavior on overlapping prefix and suffix.
rust-lang/rust@7c5dac9c74 Auto merge of #158639 - jhpratt:rollup-sDKhJ0G, r=jhpratt
rust-lang/rust@38002bb365 Rollup merge of #158636 - cuviper:linkchecker-html5ever, r=ehuss
rust-lang/rust@9272c6d92a Rollup merge of #158542 - scottmcm:scalar-but-packed, r=workingjubilee
rust-lang/rust@eeccb4cd5d Rollup merge of #158516 - kn1g78:codegen-backend-dedupe, r=Kobzol,jieyouxu
rust-lang/rust@933b5e7aa9 Rollup merge of #158483 - RalfJung:signed-strict-div, r=jhpratt
rust-lang/rust@e601172b0b Rollup merge of #158449 - ferrocene:rename-qnx-targets, r=workingjubilee
rust-lang/rust@90faa9c3c1 Rollup merge of #157718 - ShoyuVanilla:nested-normalizes-to-without-depth-increase, r=lcnr
rust-lang/rust@17aa77551e Auto merge of #158629 - JonathanBrouwer:rollup-42QCg7x, r=JonathanBrouwer
rust-lang/rust@464fb78b15 Do not increase depth when evaluating nested goals of normalizes-to
rust-lang/rust@16cad037de Rollup merge of #158616 - blyxyas:less_rustc_incremental_dependents, r=petrochenkov
rust-lang/rust@338a344676 Rollup merge of #158614 - fs-rachel:fix-implicit-stage-in-ci-message, r=clubby789
rust-lang/rust@d18120fdb3 Rollup merge of #158573 - WaffleLapkin:stabilize_atomic_from_mut, r=clarfonthey
rust-lang/rust@7a2a130a4d Rollup merge of #158569 - GuillaumeGomez:fix-no_inline-foreign-inlining, r=Urgau
rust-lang/rust@91316cea83 Rollup merge of #157650 - DeepeshWR:feat/yocto-targets, r=davidtwco
rust-lang/rust@b3bc4026a8 Rollup merge of #157347 - theemathas:box-as-non-null, r=Darksonn
rust-lang/rust@0c72496941 Rollup merge of #156379 - euclio:c-void-returns, r=mati865

[feliperodri]

Supersede by #4768