Auto merge of #154008 - JonathanBrouwer:rollup-tfGnRi2, r=JonathanBrouwer Rollup of 14 pull requests Successful merges: - rust-lang/rust#153972 (stdarch subtree update) - rust-lang/rust#153801 (Add the option to run UI tests with the parallel frontend) - rust-lang/rust#153959 (Fix non-module `parent_module` in stripped cfg diagnostics) - rust-lang/rust#153967 (Tweak wording of failed predicate in inference error) - rust-lang/rust#152968 (Flip "region lattice" in RegionKind doc comment) - rust-lang/rust#153531 (Fix LegacyKeyValueFormat report from docker build: various) - rust-lang/rust#153622 (remove concept of soft-unstable features) - rust-lang/rust#153709 (Fix hypothetical ICE in `variances_of`) - rust-lang/rust#153884 (test `classify-runtime-const` for `f16`) - rust-lang/rust#153894 (Point at unit structs on foreign crates in type errors when they are the pattern of a binding) - rust-lang/rust#153920 (improve `#[track_caller]` invalid ABI error) - rust-lang/rust#153946 (dissolve `tests/ui/cross`) - rust-lang/rust#153965 (Fix minor kasan bugs) - rust-lang/rust#153991 (Small report_cycle refactor)
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