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Error: Unable to build Solana program due to Rust compiler version requirement
As a developer working with the Solana blockchain, you may encounter an error when trying to build your Solana program. The specific error message “error: package solana-program v1.18.26 cannot be built because it requires rustc 1.75.0 or later” is quite informative, but also frustrating.
In this article, we will investigate what causes the issue and provide steps to resolve it.
Problem
The error message indicates that the package solana-program v1.18.26 is not compatible with Rust compiler version 1.75.0 or later. Solana requires a minimum of Rust version 1.73.0 (specifically Rustc 1.74.0) to build its programs.
Why is this important?
The Solana program requires Rust because it is built using the Rust compiler to build and link the program. However, if you try to use a package that depends on another package that only works with an older version of Rust, you will encounter this error.
Troubleshooting
To resolve this issue, follow these steps:
- Update your Rust compiler: Make sure you have the latest version of Rust installed. You can check your current version by running
rustc --versionin your terminal. If it is an older version (e.g. 1.74.0), update to a newer version (e.g. 1.75.0).
- Check dependencies
: Make sure all packages required by your Solana program are compatible with the updated Rust compiler. You can use tools like
rustup tool checkorpayload checkto identify any incompatible dependencies.
- Update the solana-program package: If you are using a package such as
solana-program v1.18.26, update it to the latest version that supports the minimum required Rust compiler version (e.g.solana-program v1.20.0).
- Try to build again: After updating your dependencies and resolving incompatibility issues, try to build your program again using Cargo or Rustc.
Additional Tips
- Make sure you have a compatible Rust environment installed on your system.
- If you are working on a large project, consider upgrading all packages to their latest versions at once. This can help reduce the number of compatibility issues and make them easier to resolve later.
- Always check the documentation for each package you use in your projects to make sure it is compatible with the latest Rust version.
By following these steps and tips, you should be able to resolve the error and successfully build your Solana programs using the desired Rust compiler version.
