Set build-std flag before trailing arguments

src/lib.rs

@@ -126,17 +126,19 @@ pub fn make_cargo_build_command(
         .arg("--target")
         .arg("armv6k-nintendo-3ds")
         .arg("--message-format")
-        .arg(message_format)
+        .arg(message_format);
-        .args(args)
-        .stdout(Stdio::piped())
-        .stdin(Stdio::inherit())
-        .stderr(Stdio::inherit());
 
     if !sysroot.join("lib/rustlib/armv6k-nintendo-3ds").exists() {
         eprintln!("No pre-build std found, using build-std");
         command.arg("-Z").arg("build-std");
     }
 
+    command
+        .args(args)
+        .stdout(Stdio::piped())
+        .stdin(Stdio::inherit())
+        .stderr(Stdio::inherit());
+
     command
 }