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-rw-r--r--compiler/rustc_lint_defs/src/builtin.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs
index a65d30eb817..bcd00ac06ba 100644
--- a/compiler/rustc_lint_defs/src/builtin.rs
+++ b/compiler/rustc_lint_defs/src/builtin.rs
@@ -4806,7 +4806,7 @@ declare_lint! {
     /// version of Rust this will be fixed and therefore dependencies relying
     /// on the non-spec-compliant C ABI will stop functioning.
     pub WASM_C_ABI,
-    Warn,
+    Deny,
     "detects dependencies that are incompatible with the Wasm C ABI",
     @future_incompatible = FutureIncompatibleInfo {
         reason: FutureIncompatibilityReason::FutureReleaseErrorReportInDeps,