Rust errors / Build and Cargo
Rust build error · checked with Rust 1.99.0
error: cannot find derive macro `Serialize` in this scope
error: cannot find derive macro `Serialize` in this scope
What it meansserde's derive macros live behind its derive feature, which is off by default.
Why it happens
- serde added without features = ["derive"].
- A missing use serde::{Serialize, Deserialize};.
How to fix it
1. Turn on the derive feature
cargo add serde --features derive2. Import the macros
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize)]
struct Config { name: String }Other wordings of this error
cannot find derive macro Serialize in this scope, cannot find derive macro Deserialize, serde derive not found
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