Toolchain upgrade to nightly-2023-12-15 failed

[github-actions]

Updating Rust toolchain from nightly-2023-12-14 to nightly-2023-12-15 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@eeff92a up to rust-lang/rust@de686cb. The log for this commit range is:
rust-lang/rust@de686cbc65 Auto merge of #118949 - matthiaskrgr:rollup-rdzlb9h, r=matthiaskrgr
rust-lang/rust@4d016c781a Rollup merge of #118945 - Enselic:remove-trailing, r=compiler-errors
rust-lang/rust@49a2fc22e9 Rollup merge of #118935 - RalfJung:interpret-downcast, r=saethlin
rust-lang/rust@accaea2795 Rollup merge of #118914 - compiler-errors:eager-alias-relate, r=lcnr
rust-lang/rust@9ec620546f Rollup merge of #118910 - GuillaumeGomez:js-object-to-map, r=notriddle
rust-lang/rust@740cea81d6 Auto merge of #118375 - ouz-a:add_emit_stable_mir_tests, r=celinval
rust-lang/rust@929d632b54 Unconditionally register alias-relate in projection goal
rust-lang/rust@2ddd8b4f19 rustc_codegen_ssa: Remove trailing spaces in Display impl for CguReuse
rust-lang/rust@2ecba0fa00 Auto merge of #118937 - lcnr:rename-solver-flag, r=compiler-errors
rust-lang/rust@82ee18c4ea add stable_mir output test
rust-lang/rust@fa03289ddf review
rust-lang/rust@0947070871 consistently use "next solver" instead of "new solver"
rust-lang/rust@11d16c4082 update use of feature flags
rust-lang/rust@5d97ada1ec rename -Ztrait-solver to -Znext-solver
rust-lang/rust@529047cfc3 Auto merge of #118789 - jyn514:dry-run, r=onur-ozkan
rust-lang/rust@fc7221689e Use Map instead of Object for source files and search index
rust-lang/rust@1aa6aefdc9 Auto merge of #118566 - klensy:cstr-new, r=WaffleLapkin
rust-lang/rust@9d49eb76c4 Auto merge of #118417 - anforowicz:default-hidden-visibility, r=TaKO8Ki
rust-lang/rust@5d87d8307f interpret: extend comment on the inhabitedness check in downcast
rust-lang/rust@1a8afa0e74 Auto merge of #118538 - RalfJung:size-of-val-comments, r=WaffleLapkin
rust-lang/rust@d23e1a6894 Auto merge of #117749 - aliemjay:perf-canon-cache, r=lcnr
rust-lang/rust@aa36c35296 rustdoc: avoid ParamEnv with infer vars
rust-lang/rust@e452c94912 remove canonicalize_query_preserving_universes
rust-lang/rust@3b55869615 make infcx optional in canonicalizer
rust-lang/rust@e6d1b0ec98 Auto merge of #118491 - cuviper:aarch64-stack-probes, r=wesleywiser
rust-lang/rust@5f73b006d2 Auto merge of #118389 - estebank:type-verbosity, r=b-naber
rust-lang/rust@9d846fcc11 Tweak short_ty_string to reduce number of files
rust-lang/rust@981c4e3ce6 Add unstable -Zdefault-hidden-visibility cmdline flag for rustc.
rust-lang/rust@7e4c4271f4 fix computing the dynamic alignment of packed structs with dyn trait tails
rust-lang/rust@fafe66d438 don't resolve regions in query input
rust-lang/rust@a1459c3fca fix small perf regressions
rust-lang/rust@85338197d4 don't store OriginalQueryValues::universe_map
rust-lang/rust@f38d1e971d global param_env canonicalization cache
rust-lang/rust@233de9d89e Set the StackProbeType in apple::opts
rust-lang/rust@520662eb2a fix --dry-run when the change-id warning is printed
rust-lang/rust@b99b5e5752 Enable stack probes on aarch64 for LLVM 18
rust-lang/rust@c0134887d2 library: use c string literals
rust-lang/rust@26e69a8816 compiler: replace cstr macro with c str literals in compiler and few other c str replacements