Check empty input for login

Signed-off-by: hi-rustin <[email protected]>

Author: 0xPoe

src/cargo/ops/registry.rs

@@ -749,7 +749,7 @@ pub fn registry_login(
         registry(config, token.clone(), None, reg.as_deref(), false, false)?;
 
     let token = match token {
-        Some(token) => token,
+        Some(token) => token.trim().to_string(),
         None => {
             drop_println!(
                 config,
@@ -767,6 +767,9 @@ pub fn registry_login(
             line.replace("cargo login", "").trim().to_string()
         }
     };
+    if token.is_empty() {
+        bail!("please provide a non-empty token");
+    }
 
     if let RegistryConfig::Token(old_token) = &reg_cfg {
         if old_token == &token {