Rust errors / Attributes, macros and features
Rust compiler error · checked with rustc 1.99.0
Rust error E0452: malformed lint attribute input
What it meansAn invalid lint attribute has been given.
What rustc prints
error[E0452]: malformed lint attribute input
--> main.rs:1:10
|
1 | #![allow(foo = "")] // error: malformed lint attribute
| ^^^^^^^^ bad attribute argumentReal 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.
E0452Attributes, macros and features
Activein rustc 1.99.0
5related errors linked below
The compiler team's explanation
An invalid lint attribute has been given.
Erroneous code example:
#![allow(foo = "")] // error: malformed lint attributeLint attributes only accept a list of identifiers (where each identifier is a lint name). Ensure the attribute is of this form:
#![allow(foo)] // ok!
// or:
#![allow(foo, foo2)] // ok!From rustc --explain E0452 (1.99.0), part of the Rust project, MIT or Apache-2.0. Official page.
Related errors
Up next
Often hit nextE0658: is unstableA related error from the same family.Read it next →Did this answer your question?