Rust Compiler Errors

Error codes emitted by the Rust compiler (rustc), covering type checking, borrow checking, pattern matching, and other compile-time diagnostics.

77 codes

• E0001 Unreachable Match Arm
• E0004 Non-exhaustive Match
• E0005 Refutable Pattern in Binding
• E0015 Non-const in Const Context
• E0023 Wrong Pattern Field Count
• E0025 Duplicate Field Binding
• E0026 Nonexistent Struct Field
• E0027 Missing Struct Pattern Fields
• E0046 Missing Trait Items
• E0050 Wrong Method Parameter Count
• E0054 Cast to Bool
• E0061 Wrong Argument Count
• E0062 Duplicate Struct Field Init
• E0063 Missing Struct Field Init
• E0072 Recursive Type Without Indirection
• E0080 Constant Evaluation Failed
• E0106 Missing Lifetime Parameter
• E0107 Wrong Generic Argument Count
• E0116 Impl on Foreign Type
• E0117 Orphan Rule Violation
• E0119 Conflicting Trait Implementations
• E0120 Drop on Invalid Type
• E0121 Placeholder in Item Signature
• E0124 Duplicate Struct Field Name
• E0128 Forward Declared Type Default
• E0133 Unsafe Code Outside Block
• E0152 Duplicate Lang Item
• E0201 Duplicate Associated Item
• E0210 Orphan Rule Type Parameter
• E0220 Undefined Associated Type
• E0229 Misplaced Associated Constraint
• E0252 Duplicate Import Name
• E0261 Undeclared Lifetime
• E0277 Trait Bound Not Satisfied
• E0283 Ambiguous Type Inference
• E0308 Type Mismatch
• E0317 Missing else Branch
• E0369 Binary Operation Not Supported
• E0382 Use After Move
• E0384 Immutable Variable Reassignment
• E0391 Circular Trait Dependency
• E0401 Inner Item Uses Outer Generic
• E0403 Duplicate Generic Parameter
• E0404 Expected Trait, Found Type
• E0405 Trait Not in Scope
• E0407 Method Not in Trait
• E0412 Unresolved Type Name
• E0416 Duplicate Pattern Binding
• E0425 Unresolved Name
• E0428 Duplicate Definition
• E0432 Unresolved Import
• E0433 Undeclared Crate or Module
• E0434 Inner Function Captures Environment
• E0499 Multiple Mutable Borrows
• E0500 Closure Borrows Borrowed Variable
• E0502 Conflicting Borrow Kinds
• E0505 Move While Borrowed
• E0506 Assign to Borrowed Value
• E0507 Move Out of Borrow
• E0515 Return Reference to Local
• E0516 Unsupported typeof Keyword
• E0517 Invalid repr Attribute Target
• E0560 Unknown Struct Field
• E0562 impl Trait Outside Signature
• E0594 Assign to Immutable Variable
• E0596 Cannot Mutably Borrow Immutable
• E0597 Value Dropped While Borrowed
• E0599 Method Not Found
• E0601 Missing main Function
• E0603 Private Item Access
• E0605 Invalid Type Cast
• E0614 Dereference of Non-pointer
• E0616 Private Field Access
• E0618 Call of Non-function
• E0620 Cast to Unsized Type
• E0635 Unknown Feature Flag
• E0658 Unstable Feature Used