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GeezerVison is showing github.com — `rustpython-common` pulls in `std` transitively via `malachite-bigint` · Issue #9261 · RustPython/RustPython

rustpython-common pulls in std transitively via malachite-bigint #9261

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rustpython-common pulls in std transitively via malachite-bigint#9261
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@the-shank
the-shank
opened on Oct 20, 2026
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This crate supports no_std conditionally:

RustPython/crates/common/src/lib.rs

Line 3 in 657bab3

#![cfg_attr(not(feature = "std"), no_std)]

But one of its dependencies (malachite-bigint, version 0.14.0) does not support no_std and pulls in std transitively:

RustPython/crates/common/Cargo.toml

Line 51 in 657bab3

malachite-bigint = { workspace = true }

As a result, builds targeting bare-metal or other no_std-only targets fail to compile, even though the crate itself contains no direct std usage.

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  1. fanninpm commented on Oct 20, 2026

    @fanninpm
    fanninpm
    on Oct 20, 2026
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    Are you sure about the Malachite dependency not supporting no_std? You may want to report an issue upstream.

  2. fanninpm
    closed this as a duplicateof rustpython-compiler-core pulls in std transitively via its dependencies #9256 on Oct 20, 2026
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