Fix E0775: Attribute Must Be Placed Before `use`

Sat, 13 Jun 2026 15:08:04 +0800

1. Symptoms

When you attempt to compile Rust code with an attribute incorrectly placed after a use statement, the compiler immediately halts and produces error E0775. This error is unambiguous and typically appears during the parsing phase before any actual compilation begins.

You will see an error message similar to the following:

error[E0775]: attribute must be placed before `use`
 --> src/main.rs:6:1
  |
5 | use std::collections::HashMap;
6 | #[deprecated]
7 | use std::hash::Hash;
  | ^^^^^^^^^^^^^^^^^^^^ help: place attribute before the item: `#[deprecated] use std::hash::Hash;`

The compiler points directly to the problematic use statement and suggests the correct placement. The error occurs at the line where the attribute is incorrectly positioned, and the caret (^) aligns with the use keyword following the attribute.

E0775 on ErrorVault — Developer Error Code Dictionary

Fix E0775: Attribute Must Be Placed Before `use`

1. Symptoms