Toolchain upgrade to nightly-2026-01-15 failed

[github-actions]

Updating Rust toolchain from nightly-2026-01-14 to nightly-2026-01-15 requires source changes.
The failed automated run can be found here.
Please review the changes at https://github.com/rust-lang/rust from rust-lang/rust@2850ca8 up to rust-lang/rust@86a49fd. The log for this commit range is:
rust-lang/rust@86a49fd71f Auto merge of #130998 - the8472:bail-before-memcpy, r=nnethercote
rust-lang/rust@8c52f735ab Auto merge of #151107 - JonathanBrouwer:rollup-9CIxxuZ, r=JonathanBrouwer
rust-lang/rust@db10879fd1 Rollup merge of #151096 - rm-providers-deref, r=oli-obk
rust-lang/rust@18c62b5d44 Rollup merge of #151077 - issue-84327, r=fmease
rust-lang/rust@be22fe2128 Rollup merge of #151072 - fix-pidfd-ioctl, r=jhpratt
rust-lang/rust@b431a5e685 Rollup merge of #151067 - ui_test_no_should_fail, r=lqd
rust-lang/rust@cbcd1c3eef Rollup merge of #151036 - issue-151026, r=mati865
rust-lang/rust@4874f18c54 Rollup merge of #151034 - bishop-fix-nv, r=joboet
rust-lang/rust@28476376f9 Rollup merge of #150902 - docs-150888-to_uppercase, r=Noratrieb,workingjubilee
rust-lang/rust@129f88cf5c Rollup merge of #150877 - declmod, r=nnethercote
rust-lang/rust@95ea4c5699 Rollup merge of #150723 - move_pal_error, r=@tgross35
rust-lang/rust@4e4bee8add Rollup merge of #150406 - matches-let-chain, r=Kivooeo,oli-obk,BoxyUwU,fmease
rust-lang/rust@91429523f1 Rollup merge of #149408 - aatifsyed/binary-heap-no-ord, r=tgross35,dtolnay
rust-lang/rust@2fd6efc327 Auto merge of #150541 - Kobzol:dist-gcc-component, r=jieyouxu
rust-lang/rust@4931e09e3a Auto merge of #151087 - GuillaumeGomez:rollup-vIdiReJ, r=GuillaumeGomez
rust-lang/rust@3adbd3ae4e Rollup merge of #151055 - mgca-arr, r=BoxyUwU
rust-lang/rust@860e60a786 Rollup merge of #151053 - reduce-gui-test-flakyness, r=jieyouxu
rust-lang/rust@5b7fc2fcc7 Rollup merge of #151052 - add-test-ice-in-resolve, r=Kivooeo
rust-lang/rust@770919211f Rollup merge of #151043 - patch-1, r=ehuss
rust-lang/rust@a8e3ce50b9 Rollup merge of #151031 - reflect-arrays, r=oli-obk
rust-lang/rust@93dc648735 Rollup merge of #151019 - type-of-unsized, r=oli-obk
rust-lang/rust@3bbce8f20a Rollup merge of #151017 - rustc_dump, r=jdonszelmann
rust-lang/rust@0d3692a437 Rollup merge of #150915 - eii-regression-test-149983, r=kivooeo
rust-lang/rust@080c7043c1 Rollup merge of #150840 - print-check-cfg-rework-output, r=nnethercote
rust-lang/rust@66f25e9d8d Rollup merge of #150771 - remove-homu-branches, r=marcoieni
rust-lang/rust@6c700ecd6a Rollup merge of #150737 - smithdb3/fix-150576, r=chenyukang
rust-lang/rust@7fc878cb82 Rollup merge of #150677 - improve-doc, r=Mark-Simulacrum
rust-lang/rust@bf31616b85 Rollup merge of #150587 - add-rustdoc-js-autolabel, r=fmease
rust-lang/rust@fcac501a73 Auto merge of #151015 - JonathanBrouwer:fix-cratelevel-perf, r=jdonszelmann