Rollup of 11 pull requests#151615

Merged

rust-bors[bot] merged 28 commits into

rust-lang:mainfrom

matthiaskrgr:rollup-2WQ1USJ

Jan 25, 2026

Commits on Dec 13, 2025

Promote powerpc64-unknown-linux-musl to tier 2 with host tools
Gelbpunkt
committed

Commits on Jan 9, 2026

Fix(lib/win/net): Remove hostname support under Win7
PaulDance
committed

Commits on Jan 14, 2026

Commits on Jan 15, 2026

Extend build-manifest local test guide
Kobzol
committed

Commits on Jan 19, 2026

Commits on Jan 20, 2026

std: use 64-bit `clock_nanosleep` on Linux if available
joboet
committed

Commits on Jan 23, 2026

Commits on Jan 24, 2026