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Bump toolchain to 1.93.0#181

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kskalski wants to merge 2 commits intoanza-xyz:masterfrom
kskalski:ks/rust_193
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Bump toolchain to 1.93.0#181
kskalski wants to merge 2 commits intoanza-xyz:masterfrom
kskalski:ks/rust_193

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@kskalski
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@kskalski kskalski commented Feb 12, 2026

We are using old toolchain, no harm in building with newest stable version, we set rust-version separately.

@kskalski kskalski changed the title Bump toolchai to 1.93.0 Bump toolchain to 1.93.0 Feb 12, 2026
@kskalski
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Would like to migrate both toolchain and rust-version to at least 1.85, so we can switch to edition 2024 and enable some more convenient language syntax / trim down the drop semantics.

@kskalski kskalski marked this pull request as ready for review February 12, 2026 05:27
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febo commented Feb 12, 2026

The rationale for using an older toolchain is that we keep compatibility with platform-tools' Rust version, which is what on-chain programs are compiled with.

If we bump the requirement then we can't use the latest version of wincode in programs.

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I see, this PR doesn't strictly break it, but I guess we want some test coverage for the older toolchain.

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