diff --git a/ci/buildkite.yml b/ci/buildkite.yml
index 0e38e581bfda44..a66a72ed870d68 100644
--- a/ci/buildkite.yml
+++ b/ci/buildkite.yml
@@ -6,8 +6,8 @@ steps:
   - command: "ci/coverage.sh"
     name: "coverage [public]"
     timeout_in_minutes: 20
-  - command: "ci/docker-run.sh rustlang/rust:nightly ci/test-nightly.sh || true"
-    name: "nightly - FAILURES IGNORED [public]"
+  - command: "ci/docker-run.sh rustlang/rust:nightly ci/test-nightly.sh"
+    name: "nightly [public]"
     timeout_in_minutes: 20
   - command: "ci/docker-run.sh rust ci/test-ignored.sh"
     name: "ignored [public]"
diff --git a/src/signature.rs b/src/signature.rs
index 60cea98662d173..36983c6e7796c2 100644
--- a/src/signature.rs
+++ b/src/signature.rs
@@ -131,9 +131,7 @@ mod bench {
 
     #[bench]
     fn bench_gen_keys(b: &mut Bencher) {
-        let mut seed = [0u8; 32];
-        seed[0..3].copy_from_slice(&[1, 2, 3, 4]);
-        let rnd = GenKeys::new(seed);
+        let rnd = GenKeys::new([0u8; 32]);
         b.iter(|| rnd.gen_n_keypairs(1000));
     }
 }