Questions tagged [rustc]
The rustc tag has no usage guidance.
35 questions
1
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1
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41
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How to solve the cargo build-sbf error?
I have just started with rust and solana.
Firstly, I created a solana program using the command:
cargo init hello_world --lib
everything ran fine, and then i read from the official docs, to build i ...
1
vote
1
answer
40
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Anchor build says "cannot be built because it requires rustc 1.75.0 or newer" I have rustc installed 1.82.0
Anchor Verification Issue: Rustc Version Mismatch in Docker Environment
Command Executed
anchor verify 3MRKmmRZ6Fm4tvEEjBZcuGG7nxWVSYCJd83WzmAGqm8J
Problem Summary
The program build fails due to a ...
2
votes
1
answer
25
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which versions of Solana SDK and Anchor are compatible with the stable toolchain.?
which versions of Solana SDK and Anchor are compatible with the stable toolchain.? It appears that the current nightly toolchain you are using (nightly-x86_64-unknown-linux-gnu) does not support the ...
- 31
2
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1
answer
40
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How do you get the Solana platform tools version? Or the `rustc` version used by Solana to compile programs?
When building a Solana rust program, it does NOT use your normal system's rust compiler (rustc), instead cargo build-sbf uses the Solana "platform tools" under the hood which ships a ...
- 1,199
0
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0
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49
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Anchor - Stuck with error SendTransactionError
I have been trying to write some custom contract in solana using Rust but always ending up with below error:
Catch the SendTransactionError and call getLogs() on it for full details.
at Connection....
0
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0
answers
222
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Mempool transaction Stream
I want to listen to the Solana mempool for a MEV bot. I was checking out Jito for this purpose, but it appears to be deprecated. How can I listen to the mempool transaction information on Solana now ...
- 574
2
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1
answer
54
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Solaan transaction delay
Is there any way that after a wallet signs a transaction I can delay the transaction from actually going through until I call a function or is this not possible, also open to work arounds.
Thanks in ...
- 21
1
vote
1
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103
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solana contract rust error anchor build
use anchor_lang::prelude::*;
use anchor_spl::token::{self, Mint, Token, TokenAccount, Transfer, MintTo};
declare_id!("GTPh1tdHiMWVj3yBj2S2ZZftuLPEWPyQZ6Cy7g5ibM5K");
#[program]
pub mod puj {
...
0
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0
answers
22
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Getting error that I am using an older version of rust, but --version shows I am using latest
Although my Rust is version 1.78.0 I constantly am getting this error when I do an anchor build:
error: package toml_edit v0.21.1 cannot be built because it requires rustc 1.69 or newer, while the ...
- 101
2
votes
2
answers
136
views
keep getting this error on a fresh ubuntu 24 lts, although my rustc version is 1.78.0
error: package solana-program v1.18.14 cannot be built because it requires rustc 1.75.0 or newer, while the currently active rustc version is 1.68.0-dev
Either upgrade to rustc 1.75.0 or newer, or use
...
- 21
1
vote
1
answer
216
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I am getting a compile error: target not supported when trying to compile Solana hello world smart contract
So I'm trying to compile my first Solana smart contract. It's this hello world smart contract:
https://github.com/solana-labs/example-helloworld
Here is my rustc and cargo version:
candid@DESKTOP-...
- 45
3
votes
0
answers
21
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Anchor Test fails with version error [duplicate]
Issue:
I installed everything needed to start developing on Solana.
I am trying to test a simple contract but when i run: anchor test, it errors out the following:
error: package `solana-program v1.18....
- 31
5
votes
2
answers
211
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What's the benefit of using platform-tools compared to Rust's upstream bpfel-unknown-none target?
The fact that Solana's CLI installer shipped (and still ships) with a nearly year-long outdated version of platform-tools has been a pain point with the previous Solana team I've worked with. platform-...
1
vote
1
answer
294
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"package solana-program v1.18.7 cannot be built" error [duplicate]
I have a new Rust project that gives the following error when I compile it.
package `solana-program v1.18.7` cannot be built because it requires rustc 1.72.0 or newer, while the currently active rustc ...
- 11
2
votes
1
answer
514
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Cannot compile `solana-program` crate with new `sqlx` versions
For some reason when trying to compile a project having both sqlx and solana-program I get an error on package version mismatches, which is strange, because those should come from different crates and ...
- 305
0
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0
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94
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cargo build-bpf package error: `ahash v0.8.8` cannot be built because it requires rustc 1.72.0 or newer
I'm using a simple hello world solana program from https://moralis.io/how-to-write-a-solana-smart-contract
src/lib.rs
use solana_program::{
account_info::AccountInfo,
entrypoint,
...
- 195
4
votes
1
answer
3k
views
error: package `solana-program v1.18.1` cannot be built because it requires rustc 1.72.0 or newer [duplicate]
I tried setting up an Anchor project on my MacBook with an ARM processor, but I encountered an error. Here is step by step that i took
% anchor init testproject
Only x86_64 / Linux distributed in NPM ...
- 41
6
votes
1
answer
2k
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How do I fix "package solana-program v1.18.0 cannot be built because it requires rustc 1.72.0 or newer"?
When building an onchain program with cargo build-sbf using solana-program v1.18, I get the following error:
error: package solana-program v1.18.0 cannot be built because it requires rustc 1.72.0 or ...
- 19.6k
3
votes
4
answers
1k
views
Anchor compatibility issues
Whenever I try to run anchor build, I am greeted with a package incompatibility error, saying that my rustc toolchain version is too low (1.62.0-dev) but my toolchain is set to 1.75.0.
Here's the ...
- 157
0
votes
3
answers
948
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Is it possible to have reflection tokens like safemoon on solona?
A reminder on how reflection tokens like safemoon work is every ones balance is simply an equation instead of a fixed number. That way everyone's balance can be instantly updated with no gas needed ...
- 11
1
vote
1
answer
242
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Can anyone use SolGSN: Solana Gas Station?
I want to use SolGSN, where the user can't pay the gas fee like transferring the NFT. The admin has to pay the fee. However, this repository is outdated, and I've encountered several errors due to ...
- 574
3
votes
1
answer
482
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How to get Mint Address of of SPL token using associated token account? without rpc call
I can get an associated token account knowing the mint address and wallet address with spl_associated_token_account::get_associated_token_address function
But is it possible to get a mint address, ...
- 33
2
votes
1
answer
471
views
solana play ground - too much SOL for initial deployment and RPC error
I'm trying to deploy some program locally with solana playground, when trying to deploy the program on dev-net the initial deployment costs 4.40 SOL, and when requesting more than 1 SOL(with "...
- 89
2
votes
2
answers
793
views
cargo build-bpf rustc version
I'm trying to use "cargo build-bpf" on a simple rust file, I'm using the "solana_program" dependency and the next error occurs:
"error: package solana-program v1.16.5 cannot ...
- 89
4
votes
3
answers
153
views
Unable to build a binary
Both anchor build and cargo-build-sbf throw:
Warning: cargo-build-bpf is deprecated. Please, use cargo-build-sbf
cargo-build-bpf child: /Users/usr1/solana/bin/cargo-build-sbf --arch bpf
error: package ...
- 431
11
votes
5
answers
8k
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Anchor build says "cannot be built because it requires rustc 1.68.0 or newer" but I have a newer rustc installed
When I run anchor build or anchor test:
error: package `solana-program v1.16.3` cannot be built because it requires rustc 1.68.0 or newer, while the currently active rustc version is 1.62.0-dev.
But ...
- 125
1
vote
1
answer
1k
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update rustc that anchor uses
After running cargo build-bpf I get the following error:
cargo-build-bpf child: rustup toolchain list -v
cargo-build-bpf child: cargo +bpf build --target bpfel-unknown-unknown --release
error: package ...
- 11
3
votes
3
answers
2k
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InstructionFallbackNotFound. Error Number: 101. Error Message: Fallback functions are not supported
Have a question related to custom program development. I've testing this program
pub mod fluxtility {
use super::*;
pub fn buy_ticket(ctx: Context<Initialize>, lamports: u64) -> ...
- 382
1
vote
2
answers
266
views
How do pass Context into multiple helper functions?
sorry if this is a more rusty question.
As the title suggests, how can I pass the context struct into multiple helper functions?
What I'd like to do is something like this:
impl<'info> BuyIn<'...
- 65
2
votes
1
answer
173
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Depencencies in Cargo.toml file Solana-SDK and Solana-Client doesn't work
Hello I am trying desperately to use solana-sdk and solana-client but when I do cargo build-bpf it doesn't work. Can someone help me please?
When I use only solana-client as a dependency the ...
- 43
2
votes
2
answers
2k
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Solana Helloworld example stuck on cargo build bpf without error message
I'm in the process of deploying the Solana helloworld example smart contract on Ubuntu 20.04. When running npm run build:program-rust, the package.json in the root of the repository states that this ...
5
votes
1
answer
375
views
Solana Program 1 time initialization Issue
I want to add a check that once a function is called it should never be called again. I want initialization to be one-time only. Is this a good approach if I take a bool value and set it to false ...
- 1,972
1
vote
1
answer
348
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Issues with installing solana on m1 mac book (macOS Monterey v12.6)
Followed guide https://dev.to/0xmuse/install-solana-on-m1-macs-without-rosetta-10m5 to install solana as I was reading about issues installing with rosetta. But after running ./scripts/cargo-install-...
- 11
3
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3
answers
606
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could not find `__client_accounts_contributor` in the crate root
Attempting to 'anchor build' a project and running into errors with the #[program] macro. Unsure exactly what could be causing these. Tried reading the compiler error index but it didnt seem to help ...
- 1,612
1
vote
0
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77
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RUSTFLAGS="-C instrument-coverage" with solana program [closed]
Trying to add check coverage, when using RUSTFLAGS="-C instrument-coverage" cargo build-bpf I'm getting:
error: failed to run `rustc` to learn about target-specific information
Caused by:
...
- 737