FIX rust problems

PKGBUILD

@@ -119,8 +119,7 @@ build() {
   cd $_srcname
   make all
   make -C tools/bpf/bpftool vmlinux.h feature-clang-bpf-co-re=1
-  # do not remove the following line to avoid creating the doc:  
-  # make htmldocs
+  make htmldocs
 }
 
 _package() {
@@ -278,8 +277,7 @@ _package-docs() {
 pkgname=(
   "$pkgbase"
   "$pkgbase-headers"
-  # Do not remove the following line to avoid creating the doc:
-  # "$pkgbase-docs"
+  "$pkgbase-docs"
 )
 for _p in "${pkgname[@]}"; do
   eval "package_$_p() {