Rollup of 6 pull requests#150212

Closed

Kivooeo wants to merge 16 commits intorust-lang:mainfrom

Kivooeo:rollup-lodswb5

Commits on Dec 9, 2025

Add const default for OnceCell and OnceLock
tisonkun
committed

Commits on Dec 13, 2025

Commits on Dec 15, 2025

fix docustring on fetch_or
agavra
authored

Commits on Dec 16, 2025

rustdoc: Test only in stage2
ilammy
committed

Commits on Dec 19, 2025

Commits on Dec 20, 2025

change non-canonical clone impl to {*self}, fix some doc comments
hkBst
committed
Drop the From derive macro from the v1 prelude
jtgeibel
committed
Rollup merge of #149437 - ilammy:patch-1, r=Mark-Simulacrum
Kivooeo
authored
Rollup merge of #149812 - tisonkun:oncelock-const-default, r=Mark-Simulacrum
Kivooeo
authored
Rollup merge of #150035 - agavra:patch-1, r=Mark-Simulacrum
Kivooeo
authored
Rollup merge of #150160 - jdonszelmann:fix-149980, r=Kivooeo
Kivooeo
authored
Rollup merge of #150191 - hkBst:clippy-fix-15, r=Kivooeo
Kivooeo
authored
Rollup merge of #150203 - jtgeibel:drop-From-derive-macro-from-prelude, r=jdonszelmann
Kivooeo
authored