[github-actions]

Automated sync: rust.stable -> 1.99.1

PASS std: mos-a2-none has core, alloc, compiler_builtins
PASS std: mos-atari2600-3e-none has core, alloc, compiler_builtins
PASS std: mos-atari2600-4k-none has core, alloc, compiler_builtins
PASS std: mos-atari5200-supercart-none has core, alloc, compiler_builtins
PASS std: mos-atari8-cart-megacart-none has core, alloc, compiler_builtins
PASS std: mos-atari8-cart-std-none has core, alloc, compiler_builtins
PASS std: mos-atari8-cart-xegs-none has core, alloc, compiler_builtins
PASS std: mos-atari8-dos-none has core, alloc, compiler_builtins
PASS std: mos-c128-none has core, alloc, compiler_builtins
PASS std: mos-c64-none has core, alloc, compiler_builtins
PASS std: mos-cpm65-none has core, alloc, compiler_builtins
PASS std: mos-cx16-none has core, alloc, compiler_builtins
PASS std: mos-dodo-none has core, alloc, compiler_builtins
PASS std: mos-eater-none has core, alloc, compiler_builtins
PASS std: mos-fds-none has core, alloc, compiler_builtins
PASS std: mos-geos-cbm-none has core, alloc, compiler_builtins
PASS std: mos-lynx-bll-none has core, alloc, compiler_builtins
PASS std: mos-mega65-none has core, alloc, compiler_builtins
PASS std: mos-neo6502-none has core, alloc, compiler_builtins
PASS std: mos-nes-action53-none has core, alloc, compiler_builtins
PASS std: mos-nes-cnrom-none has core, alloc, compiler_builtins
PASS std: mos-nes-gtrom-none has core, alloc, compiler_builtins
PASS std: mos-nes-mmc1-none has core, alloc, compiler_builtins
PASS std: mos-nes-mmc3-none has core, alloc, compiler_builtins
PASS std: mos-nes-nrom-none has core, alloc, compiler_builtins
PASS std: mos-nes-unrom-512-none has core, alloc, compiler_builtins
PASS std: mos-nes-unrom-none has core, alloc, compiler_builtins
PASS std: mos-osi-c1p-none has core, alloc, compiler_builtins
PASS std: mos-pce-cd-none has core, alloc, compiler_builtins
PASS std: mos-pce-none has core, alloc, compiler_builtins
PASS std: mos-pet-none has core, alloc, compiler_builtins
PASS std: mos-rp6502-none has core, alloc, compiler_builtins
PASS std: mos-rpc8e-none has core, alloc, compiler_builtins
PASS std: mos-sim-none has core, alloc, compiler_builtins
PASS std: mos-supervision-none has core, alloc, compiler_builtins
PASS std: mos-unknown-none has core, alloc, compiler_builtins
PASS std: mos-vic20-none has core, alloc, compiler_builtins
PASS run: hello
PASS size: hello = 110 bytes (baseline 110, +0.0%)
PASS smoke: vanilla cargo (cargo 1.99.0 (5f94df478 2026-08-27)) builds and runs a fresh crate, link silent