Rust errors / Attributes, macros and features
Rust compiler error · checked with rustc 1.99.0
Rust error E0635: unknown feature `nonexistent_rust_feature`
What it meansThe #![feature] attribute specified an unknown feature.
What rustc prints
error[E0635]: unknown feature `nonexistent_rust_feature`
--> main.rs:1:12
|
1 | #![feature(nonexistent_rust_feature)] // error: unknown feature
| ^^^^^^^^^^^^^^^^^^^^^^^^Real output of rustc 1.99.0 compiling the official example below (2021 edition). Your names and line numbers will differ; the first line is the part to match.
E0635Attributes, macros and features
Activein rustc 1.99.0
4related errors linked below
The compiler team's explanation
The #![feature] attribute specified an unknown feature.
Erroneous code example:
#![feature(nonexistent_rust_feature)] // error: unknown featureFrom rustc --explain E0635 (1.99.0), part of the Rust project, MIT or Apache-2.0. Official page.
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