diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2e3b18e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/tracing-attributes-0.1.11.crate
diff --git a/sources b/sources
new file mode 100644
index 0000000..20e16ce
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (tracing-attributes-0.1.11.crate) = 669ce260373e950197da9119185cd6ccc3d68da1b3818757384529c5bf9757b89f6a7a797461b60bbb636bc9a2f93d02021b2af57cd40bd5b825fb056c3ad71f