Use nightly for debugging

Author: arik-so

scripts/build_individual_libldk.py

@@ -105,7 +105,7 @@ def run(config: ScriptConfig):
 		print('Rust target OS:', rust_target_os)
 		print('Target:', rust_target_triplet)
 
-		subprocess.check_call([RUSTC_PATH, '-Z', 'unstable-options', '--print', 'target-spec-json', '--target', rust_target_triplet])
+		subprocess.check_call([RUSTC_PATH, '+nightly', '-Z', 'unstable-options', '--print', 'target-spec-json', '--target', rust_target_triplet])
 
 		# cargo build -Z build-std=panic_abort,std --features "std" --target "${RUST_ARCH}-apple-${RUST_TARGET_OS}" $RUST_CONFIGURATION_FLAG
 		build_arguments = [CARGO_PATH, 'build', '-Z', 'build-std=panic_abort,std', '--features', 'std', '--target', rust_target_triplet]