diff --git a/rayon-1.0.1-fix-metadata.diff b/rayon-1.0.1-fix-metadata.diff
new file mode 100644
index 0000000..958caaf
--- /dev/null
+++ b/rayon-1.0.1-fix-metadata.diff
@@ -0,0 +1,8 @@
+--- rayon-1.0.1/Cargo.toml	1969-12-31T16:00:00-08:00
++++ rayon-1.0.1/Cargo.toml	2018-03-16T14:28:17.194520-07:00
+@@ -41,5 +41,3 @@
+ 
+ [dev-dependencies.serde_derive]
+ version = "1"
+-[target."cfg(not(all(windows, target_env = \"gnu\")))".dev-dependencies.compiletest_rs]
+-version = "0.3"
diff --git a/rust-rayon.spec b/rust-rayon.spec
index 63e9ca2..51380ea 100644
--- a/rust-rayon.spec
+++ b/rust-rayon.spec
@@ -1,5 +1,5 @@
 # Generated by rust2rpm
-# compiletest_rs is nightly
+# compiletest_rs is nightly, and some tests use nightly features too
 %bcond_with check
 %global debug_package %{nil}
 
@@ -13,6 +13,9 @@ Summary:        Simple work-stealing parallelism for Rust
 License:        ASL 2.0 or MIT
 URL:            https://crates.io/crates/rayon
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
+# Initial patched metadata
+# * remove compiletest_rs (nightly only)
+Patch0:         rayon-1.0.1-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
@@ -22,7 +25,6 @@ BuildRequires:  (crate(either) >= 1.0.0 with crate(either) < 2.0.0)
 BuildRequires:  (crate(rayon-core) >= 1.4.0 with crate(rayon-core) < 2.0.0)
 %if %{with check}
 # [dev-dependencies]
-BuildRequires:  (crate(compiletest_rs) >= 0.3.0 with crate(compiletest_rs) < 0.4.0)
 BuildRequires:  (crate(docopt) >= 0.8.0 with crate(docopt) < 0.9.0)
 BuildRequires:  (crate(lazy_static) >= 1.0.0 with crate(lazy_static) < 2.0.0)
 BuildRequires:  (crate(rand) >= 0.3.0 with crate(rand) < 0.5.0)