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Rust compiler error · checked with rustc 1.99.0

Rust error E0578: #### Note: this error code is no longer emitted by the compiler

What it means#### Note: this error code is no longer emitted by the compiler.

Retired: rustc no longer emits this error code. You may still see it in old answers, books and CI logs from older toolchains; the explanation below is kept for reference.

E0578Everything else
Retiredin rustc 1.99.0
8related errors linked below

The compiler team's explanation

Note: this error code is no longer emitted by the compiler.

A module cannot be found and therefore, the visibility cannot be determined.

Erroneous code example:

foo!();

pub (in ::Sea) struct Shark; // error!

fn main() {}

Because of the call to the foo macro, the compiler guesses that the missing module could be inside it and fails because the macro definition cannot be found.

To fix this error, please be sure that the module is in scope:

pub mod Sea {
    pub (in crate::Sea) struct Shark;
}

fn main() {}

From rustc --explain E0578 (1.99.0), part of the Rust project, MIT or Apache-2.0. Official page.

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All 518 Rust error codes · Rust crate data · Glossary

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