Compatibility Issue: proc-macro server's api version (5) is newer than rust-analyzer's (2)

[EarthMessenger]

I encountered an error when using cargo-equip with my project. Below are the details:

1. My code structure:

   • src/main.rs

     use proconio::{input};
     
     fn main() {
         input! {
             a: u32,
         }
         println!("{}", a);
     }

   • Cargo.toml

     [package]
     name = "library_checker"
     version = "0.1.0"
     edition = "2021"
     
     [dependencies]
     proconio = { version = "0.4.3", features = ["derive"] }

2. After running cargo equip, I received the following output and error message:

   warning: Currently cargo-equip only supports Feature Resolver v1, and may search more crates than the real Cargo does. Please watch https://github.com/qryxip/cargo-equip/issues/94
   ...
   error: could not bundle the code
   
   - `registry+https://github.com/rust-lang/crates.io-index#proconio-derive@0.2.1` as `crate::__cargo_equip::crates::__proconio_derive_0_2_1`
   - `registry+https://github.com/rust-lang/crates.io-index#proconio@0.4.5` as `crate::__cargo_equip::crates::proconio`
   
   Caused by:
     proc-macro server's api version (5) is newer than rust-analyzer's (2)
   

I expected cargo equip to bundle my project code successfully, but it fails due to a version incompatibility between proc-macro's API and rust-analyzer.

• Cargo version: cargo 1.84.0-nightly (031049782 2024-11-01)
• cargo-equip version: latest
• Operating system: Arch Linux

Is there a recommended workaround or an update planned to resolve this compatibility issue?

[LumaKernel]

Try this: --toolchain-for-proc-macro-srv nightly-2023-07-28-<arch>

To install:

rustup toolchain install nightly-2023-07-28
rustup toolchain list  # to check the one fully qualified with <arch>