Ignore lints in autogenerated code

scripts/dbus-codegen

@@ -12,7 +12,7 @@ rm -f "$dest.rs"
 rm -rf "$dest"
 mkdir -p "$dest"
 
-echo "#![allow(unused)]\n#![allow(clippy::all)]" > "$modfile"
+echo "#![allow(unused)]" > "$modfile"
 
 for file in $(ls -a $specs/*.xml); do
 	sed -i 's/tp:type=/tp:typehint=/g' "$file"
@@ -31,7 +31,9 @@ for file in $(ls -a $specs/*.xml); do
 		-a AsRefClosure \
 		-o "$out"
 
-	rustfmt $out
+	sed -i '1s/^/#![allow(clippy::all)]\n\n/' "$out"
+
+	rustfmt "$out"
 
 	echo "\nmod $name;\npub use self::$name::*;" >> "$modfile"
 done