chore: upgrade rust-toolchain to nightly-2025-11-20#1214
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kunxian-xia merged 7 commits intomasterfrom Jan 19, 2026
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kunxian-xia
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Jan 19, 2026
| "target-c-int-width": 32, | ||
| "target-endian": "little", | ||
| "target-pointer-width": "32" | ||
| "target-pointer-width": 32 |
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It's an integer rather than a string like target-c-int-width.
kunxian-xia
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Jan 19, 2026
| ] | ||
| build-std-features = [ | ||
| "compiler-builtins-mem", | ||
| "panic_immediate_abort", |
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panic_immediate_abort is default in nightly-2025-11-20.
| "build-std=alloc,core,compiler_builtins,std,panic_abort,proc_macro", | ||
| "-Z", | ||
| "build-std-features=compiler-builtins-mem,panic_immediate_abort,default", | ||
| "build-std-features=compiler-builtins-mem,default", |
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panic_immediate_abort is default in nightly-2025-11-20.
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kunxian-xia
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nightly-2025-11-20nightly-2025-11-20
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Summary
We want to upgrade the current toolchain to a new one (e.g.
nightly-2025-11-20).However, the recent nightly toolchains already include this PR to introduce a breaking change s.t. the
target-pointer-widthinceno_rt/riscv32im-ceno-zkvm-elf.jsonis integer rather than string.Additional changes
With
nightly-2025-11-20, the featurepanic_immediate_abortis now a real panic strategy. Therefore we have to make changes in the script for cross buildingrv32imELF.