SIFR-RUST-SLOT-0004: A method-slot bridge bound is incomplete or misplaced. - Sifr

SIFR-RUST-SLOT-0004 belongs to the Rust method slots diagnostic family. It means: a method-slot bridge bound is incomplete or misplaced.

Why It Happens

A compiler-emitted method-slot table, context, signature, or call-scoped handler contract was violated.

Use sifr --explain SIFR-RUST-SLOT-0004 locally to see the renderer’s exact message template and any machine-applicable suggestions for the compiler version you are running.

Details

Field	Value
Code	`SIFR-RUST-SLOT-0004`
Family	`RUST-SLOT`
Severity	Error
Stability	stable
Owner	`sifr_lowering::rust_interop_structural`
Representative fixture	`crates/sifr_lowering/src/lower/rust_interop_structural_tests.rs::structural_method_slots_require_one_context`

See the Error Codes index for the complete catalog.