fix: also show script stderr

src/main.rs

@@ -57,13 +57,17 @@ fn main() {
 fn shell<S : AsRef<std::ffi::OsStr>>(cmd: S) -> std::io::Result<String> {
 	let output = std::process::Command::new(cmd).output()?;
 
-	match std::str::from_utf8(&output.stdout) {
-		Ok(s) => Ok(s.to_string()),
-		Err(e) => {
-			println!("[?] shell produced non-utf8 output ({e})");
-			Ok(format!("{:?}", output.stdout))
-		},
-	}
+	let stderr = match std::str::from_utf8(&output.stderr) {
+		Ok(s) => s.to_string(),
+		Err(_) => format!("{:?}", output.stderr),
+	};
+
+	let stdout = match std::str::from_utf8(&output.stdout) {
+		Ok(s) => s.to_string(),
+		Err(_) => format!("{:?}", output.stdout),
+	};
+
+	Ok(format!("{stderr}{stdout}"))
 }
 
 fn tci(cfg: TciConfig) -> Result<(), Box<dyn std::error::Error>> {