RustPython / RustPython/Parser

`malachite-bigint` feature failing to compile

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描述

I'm using aarch64-apple-darwin and running the following commands:

cargo new demo
cd demo
cargo add rustpython-parser --features malachite-bigint --no-default-features
cargo run

and am getting the following errors:

Error output 
error[E0433]: failed to resolve: could not find `num` in `malachite`
 --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:3:5
  |
3 |     num::{
  |     ^^^ could not find `num` in `malachite`

error[E0433]: failed to resolve: could not find `num` in `malachite`
 --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:3:5
  |
3 |     num::{
  |     ^^^ could not find `num` in `malachite`

error[E0432]: unresolved import `malachite::rounding_modes`
  --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:10:5
   |
10 |     rounding_modes::RoundingMode,
   |     ^^^^^^^^^^^^^^ could not find `rounding_modes` in `malachite`

error[E0432]: unresolved import `malachite::rounding_modes`
  --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:10:5
   |
10 |     rounding_modes::RoundingMode,
   |     ^^^^^^^^^^^^^^ could not find `rounding_modes` in `malachite`

   Compiling unicode_names2_generator v1.3.0
   Compiling rustpython-parser v0.4.0
error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:294:34
    |
294 |             let exp = malachite::num::conversion::traits::SaturatingFrom::saturating_from(&rhs.0);
    |                                  ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:109:1
    |
109 | forward_pow_biguint!(BigInt);
    | ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this trait
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::conversion::traits::SaturatingFrom;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:295:30
    |
295 |             <_ as malachite::num::arithmetic::traits::Pow<u64>>::pow(lhs.0, exp).into()
    |                              ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:109:1
    |
109 | forward_pow_biguint!(BigInt);
    | ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this module
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::arithmetic::traits;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:305:32
    |
305 |                     malachite::num::conversion::traits::SaturatingFrom::saturating_from(&rhs.0);
    |                                ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:109:1
    |
109 | forward_pow_biguint!(BigInt);
    | ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this trait
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::conversion::traits::SaturatingFrom;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:306:34
    |
306 |                 <_ as malachite::num::arithmetic::traits::Pow<u64>>::pow(&lhs.0, exp).into()
    |                                  ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:109:1
    |
109 | forward_pow_biguint!(BigInt);
    | ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this module
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::arithmetic::traits;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:317:32
    |
317 |                     malachite::num::conversion::traits::SaturatingFrom::saturating_from(&rhs.0);
    |                                ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:109:1
    |
109 | forward_pow_biguint!(BigInt);
    | ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this trait
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::conversion::traits::SaturatingFrom;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:318:34
    |
318 |                 <_ as malachite::num::arithmetic::traits::Pow<u64>>::pow(lhs.0, exp).into()
    |                                  ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:109:1
    |
109 | forward_pow_biguint!(BigInt);
    | ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this module
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::arithmetic::traits;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:329:32
    |
329 |                     malachite::num::conversion::traits::SaturatingFrom::saturating_from(&rhs.0);
    |                                ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:109:1
    |
109 | forward_pow_biguint!(BigInt);
    | ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this trait
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::conversion::traits::SaturatingFrom;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:330:34
    |
330 |                 <_ as malachite::num::arithmetic::traits::Pow<u64>>::pow(&lhs.0, exp).into()
    |                                  ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:109:1
    |
109 | forward_pow_biguint!(BigInt);
    | ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this module
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::arithmetic::traits;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:277:30
    |
277 |             <_ as malachite::num::arithmetic::traits::Pow<u64>>::pow(lhs.0, rhs as _).into()
    |                              ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:135:1
    |
135 | apply_to_unsigneds!(forward_pow_primitive{BigInt, _});
    | ----------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_primitive` which comes from the expansion of the macro `apply_to_unsigneds` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this module
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::arithmetic::traits;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:280:30
    |
280 |             <_ as malachite::num::arithmetic::traits::Pow<u64>>::pow(&lhs.0, rhs as _).into()
    |                              ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:135:1
    |
135 | apply_to_unsigneds!(forward_pow_primitive{BigInt, _});
    | ----------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_primitive` which comes from the expansion of the macro `apply_to_unsigneds` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this module
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::arithmetic::traits;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:283:30
    |
283 |             <_ as malachite::num::arithmetic::traits::Pow<u64>>::pow(lhs.0, *rhs as _).into()
    |                              ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:135:1
    |
135 | apply_to_unsigneds!(forward_pow_primitive{BigInt, _});
    | ----------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_primitive` which comes from the expansion of the macro `apply_to_unsigneds` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this module
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::arithmetic::traits;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:286:30
    |
286 |             <_ as malachite::num::arithmetic::traits::Pow<u64>>::pow(&lhs.0, *rhs as _).into()
    |                              ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:135:1
    |
135 | apply_to_unsigneds!(forward_pow_primitive{BigInt, _});
    | ----------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_primitive` which comes from the expansion of the macro `apply_to_unsigneds` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this module
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:1:1
    |
1   + use malachite::base::num::arithmetic::traits;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:210:37
    |
210 |         Self(<Integer as malachite::num::basic::traits::Zero>::ZERO)
    |                                     ^^^ could not find `num` in `malachite`
    |
help: consider importing this module
    |
1   + use malachite::base::num::basic::traits;
    |
help: if you import `traits`, refer to it directly
    |
210 -         Self(<Integer as malachite::num::basic::traits::Zero>::ZERO)
210 +         Self(<Integer as traits::Zero>::ZERO)
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:222:37
    |
222 |         Self(<Integer as malachite::num::basic::traits::One>::ONE)
    |                                     ^^^ could not find `num` in `malachite`
    |
help: consider importing this module
    |
1   + use malachite::base::num::basic::traits;
    |
help: if you import `traits`, refer to it directly
    |
222 -         Self(<Integer as malachite::num::basic::traits::One>::ONE)
222 +         Self(<Integer as traits::One>::ONE)
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/bigint.rs:516:32
    |
516 |         match <_ as malachite::num::arithmetic::traits::Sign>::sign(&self.0) {
    |                                ^^^ could not find `num` in `malachite`
    |
help: consider importing this module
    |
1   + use malachite::base::num::arithmetic::traits;
    |
help: if you import `traits`, refer to it directly
    |
516 -         match <_ as malachite::num::arithmetic::traits::Sign>::sign(&self.0) {
516 +         match <_ as traits::Sign>::sign(&self.0) {
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:294:34
    |
294 |             let exp = malachite::num::conversion::traits::SaturatingFrom::saturating_from(&rhs.0);
    |                                  ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:82:1
    |
82  | forward_pow_biguint!(BigUint);
    | ----------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this trait
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:1:1
    |
1   + use malachite::base::num::conversion::traits::SaturatingFrom;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:295:30
    |
295 |             <_ as malachite::num::arithmetic::traits::Pow<u64>>::pow(lhs.0, exp).into()
    |                              ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:82:1
    |
82  | forward_pow_biguint!(BigUint);
    | ----------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this module
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:1:1
    |
1   + use malachite::base::num::arithmetic::traits;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:305:32
    |
305 |                     malachite::num::conversion::traits::SaturatingFrom::saturating_from(&rhs.0);
    |                                ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:82:1
    |
82  | forward_pow_biguint!(BigUint);
    | ----------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this trait
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:1:1
    |
1   + use malachite::base::num::conversion::traits::SaturatingFrom;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:306:34
    |
306 |                 <_ as malachite::num::arithmetic::traits::Pow<u64>>::pow(&lhs.0, exp).into()
    |                                  ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:82:1
    |
82  | forward_pow_biguint!(BigUint);
    | ----------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this module
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:1:1
    |
1   + use malachite::base::num::arithmetic::traits;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:317:32
    |
317 |                     malachite::num::conversion::traits::SaturatingFrom::saturating_from(&rhs.0);
    |                                ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:82:1
    |
82  | forward_pow_biguint!(BigUint);
    | ----------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this trait
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:1:1
    |
1   + use malachite::base::num::conversion::traits::SaturatingFrom;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:318:34
    |
318 |                 <_ as malachite::num::arithmetic::traits::Pow<u64>>::pow(lhs.0, exp).into()
    |                                  ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:82:1
    |
82  | forward_pow_biguint!(BigUint);
    | ----------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this module
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:1:1
    |
1   + use malachite::base::num::arithmetic::traits;
    |

error[E0433]: failed to resolve: could not find `num` in `malachite`
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/macros.rs:329:32
    |
329 |                     malachite::num::conversion::traits::SaturatingFrom::saturating_from(&rhs.0);
    |                                ^^^ could not find `num` in `malachite`
    |
   ::: /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:82:1
    |
82  | forward_pow_biguint!(BigUint);
    | ----------------------------- in this macro invocation
    |
    = note: this error originates in the macro `forward_pow_biguint` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this trait
   --> /Users/oscar/.cargo/registry/src/index.crates.io-6f17d22bba15001f/malachite-bigint-0.2.0/src/biguint.rs:1:1
    |
1   + use malachite::base::num::conversion::traits::SaturatingFrom;
    |

... truncated so it can fit on GitHub ...

The issue seems to be with the malachite-bigint feature which also happens to be a default feature so cargo add rustpython-parser has the same issue.

This issue can be worked around by using the alternative bigint feature (cargo add rustpython-parser --no-default-features --features num-bigint).

貢獻指南

這個儲存庫沒有索引到貢獻指南

從這裡開始

  1. 先讀完整個 Issue，再讀專案的貢獻指南。
  2. 在 Issue 下留言說明你要接手 —— 這能避免兩個人做同樣的事。
  3. Fork 儲存庫，在一個分支上完成修改。
  4. 送出 Pull Request，並在描述裡引用這個 Issue 編號。

研究方向

在 aarch64-apple-darwin 上使用 cargo new、cargo add rustpython-parser --features malachite-bigint --no-default-features 和 cargo run 指令重現該失敗。檢查回報的 malachite-bigint-0.2.0 路徑和相依性設定，然後確認該 feature 能夠編譯，且 demo 能夠在沒有未解決的 malachite::num 和 rounding_modes 錯誤的情況下執行。

由索引模型根據 Issue 內容生成。

評估

技術堆疊
rust
領域
compilers
Issue 類型
缺陷
難度
3/5
預估耗時
1-2 天
活躍度
停滯
描述清晰度
需要釐清
新手友好度
35/100

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