diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index b0723bd375..2b4647c17b 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -80072,7 +80072,8 @@ (define-public rust-tracing-futures-0.2
          "0k4vd3jyqz9cx8rbwbp0p93qfp1w6rfk7sc6c1jh1ai18zqvcyxb"))))
     (build-system cargo-build-system)
     (arguments
-     `(#:cargo-inputs
+     `(#:tests? #f      ; Not all files included.
+       #:cargo-inputs
        (("rust-futures" ,rust-futures-0.3)
         ("rust-futures-task" ,rust-futures-task-0.3)
         ("rust-pin-project" ,rust-pin-project-0.4)