diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..16ef01a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+SOURCES/lab-0.11.0.crate
diff --git a/.rust-lab.metadata b/.rust-lab.metadata
index e69de29..d5191e7 100644
--- a/.rust-lab.metadata
+++ b/.rust-lab.metadata
@@ -0,0 +1 @@
+6bbca784fbdbee05a77eb3f2daf689487d478bf4  SOURCES/lab-0.11.0.crate
diff --git a/SOURCES/_constraints b/SOURCES/_constraints
new file mode 100644
index 0000000..fd79db7
--- /dev/null
+++ b/SOURCES/_constraints
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<constraints>
+  <overwrite>
+    <conditions>
+      <arch>x86_64</arch>
+    </conditions>
+    <hardware>
+      <cpu>
+        <flag>sse4_1</flag>
+        <flag>avx</flag>
+      </cpu>
+    </hardware>
+  </overwrite>
+</constraints>
diff --git a/SOURCES/lab-0.11.0.crate b/SOURCES/lab-0.11.0.crate
deleted file mode 100644
index 062738c..0000000
Binary files a/SOURCES/lab-0.11.0.crate and /dev/null differ