Report missing licenses or copyright text.

Required because spdx-rs 0.5.3 added support for SPDX  2.3 documents and made these fields optional.

src/tools/collect-license-metadata/src/reuse.rs

@@ -17,9 +17,11 @@ pub(crate) fn collect(
 
     let mut result = Vec::new();
     for file in document.file_information {
+        let concluded_license = file.concluded_license.expect("File should have licence info");
+        let copyright_text = file.copyright_text.expect("File should have copyright text");
         let license = interner.intern(License {
-            spdx: file.concluded_license.to_string(),
-            copyright: file.copyright_text.split('\n').map(|s| s.into()).collect(),
+            spdx: concluded_license.to_string(),
+            copyright: copyright_text.split('\n').map(|s| s.into()).collect(),
         });
 
         result.push((file.file_name.into(), license));