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-rw-r--r--pkgs/development/tools/rust/cargo-spellcheck/default.nix5
1 files changed, 5 insertions, 0 deletions
diff --git a/pkgs/development/tools/rust/cargo-spellcheck/default.nix b/pkgs/development/tools/rust/cargo-spellcheck/default.nix
index 23de1bc2a0708..f6312ee3f00dd 100644
--- a/pkgs/development/tools/rust/cargo-spellcheck/default.nix
+++ b/pkgs/development/tools/rust/cargo-spellcheck/default.nix
@@ -19,6 +19,11 @@ rustPlatform.buildRustPackage rec {
 
   cargoHash = "sha256-6dhM+FzuLtKtRp2mpE9nlpT+0PBcgGqvBa9vqs6Rs7s=";
 
+  postPatch = ''
+    substituteInPlace src/lib.rs \
+      --replace "#![deny(dead_code)]" "#![warn(dead_code)]"
+  '';
+
   nativeBuildInputs = [ rustPlatform.bindgenHook ];
 
   buildInputs = lib.optionals stdenv.isDarwin [ Security SystemConfiguration ];