Rollup of 17 pull requests Successful merges: - #141624 (unstable-book: Add stubs for environment variables; document some of the important ones) - #143093 (Simplify polonius location-sensitive analysis) - #144402 (Stabilize loongarch32 inline asm) - #144403 (`tests/ui/issues/`: The Issues Strike Back [4/N]) - #144739 (Use new public libtest `ERROR_EXIT_CODE` constant in rustdoc) - #145089 (Improve error output when a command fails in bootstrap) - #145112 ([win][arm64ec] Partial fix for raw-dylib-link-ordinal on Arm64EC) - #145129 ([win][arm64ec] Add `/machine:arm64ec` when linking LLVM as Arm64EC) - #145130 (improve "Documentation problem" issue template.) - #145135 (Stabilize `duration_constructors_lite` feature) - #145145 (some `derive_more` refactors) - #145147 (rename `TraitRef::from_method` to `from_assoc`) - #145156 (Override custom Cargo `build-dir` in bootstrap) - #145160 (Change days-threshold to 28 in [behind-upstream]) - #145162 (`{BTree,Hash}Map`: add "`Entry` API" section heading) - #145187 (Fix an unstable feature comment that wasn't a doc comment) - #145191 (`suggest_borrow_generic_arg`: use the correct generic args) r? `@ghost` `@rustbot` modify labels: rollup