Try #910:

.github/composite/godot/action.yml

@@ -68,7 +68,7 @@ runs:
         if grep -q "Leaked instance" "${{ runner.temp }}/stdout.log"; then
           exit 1;
         fi;
-        cargo build --features type-tag-fallback;
+        cargo build --features type-tag-fallback ${{ inputs.rust_extra_args }}
         mkdir -p ./project/lib;
         cp ../target/debug/libgdnative_test.so ./project/lib/;
         ${GODOT_BIN} --path ./project/ > >(tee "${{ runner.temp }}/stdout.log");

.github/workflows/full-ci.yml

@@ -276,13 +276,13 @@ jobs:
         include:
           # Latest Godot with different Rust versions
           - rust: stable
-            godot: "3.4.3"
+            godot: "3.5"
             postfix: ''
           - rust: nightly
-            godot: "3.4.3"
+            godot: "3.5"
             postfix: ' (nightly)'
           - rust: '1.56'
-            godot: "3.4.3"
+            godot: "3.5"
             postfix: ' (msrv 1.56)'
 
           # Test with oldest supported engine version

check.sh

@@ -46,9 +46,9 @@ function findGodot() {
     # Special case for Windows when there is a .bat file
     # Also consider that 'cmd /c' would need 'cmd //c' (https://stackoverflow.com/q/21357813)
     elif
-        # Don't ask me why Godot returns 255 instead of 0
+        # Godot returns 255 for older versions, but 0 for newer ones
         godot.bat --version
-        [ $? -eq 255 ]
+        [[ $? -eq 255 || $? -eq 0 ]]
     then
         echo "Found 'godot.bat' script"
         godotBin="godot.bat"