Incorporate patch to build ntest with 1.68, add unused_variables integration test, make error message grammer more clean

Author: Carter12s

Cargo.lock

@@ -387,15 +387,15 @@ fn get_config(attr: proc_macro2::TokenStream) -> Config {
             match attrs.remove(0) {
                 TokenTree::Punct(p) if p.as_char() == '=' => {}
                 x => {
-                    panic!("Expected = after inner_attrs, not {}", x);
+                    panic!("Expected '=' after 'inner_attrs' not {}", x);
                 }
             }
             match attrs.remove(0) {
                 TokenTree::Group(group) if group.delimiter() == proc_macro2::Delimiter::Bracket => {
                     inner_attrs = parse_inner_attrs_from_group(group);
                 }
                 x => {
-                    panic!("Expected [...] after inner_attrs =, not {}", x);
+                    panic!("Expected [...] after 'inner_attrs =' not {}", x);
                 }
             }
             in_inner_attrs = false;
@@ -404,7 +404,7 @@ fn get_config(attr: proc_macro2::TokenStream) -> Config {
             match attrs.remove(0) {
                 TokenTree::Punct(p) if p.as_char() == ',' => {}
                 x => {
-                    panic!("Expected , between args, not {}", x);
+                    panic!("Expected ',' between args not {}", x);
                 }
             }
         }

serial_test_derive/src/lib.rs

@@ -1,4 +1,4 @@
-//! Tests for the inner_attrs feature with ntest::timeout
+//! Tests for the inner_attrs feature with ntest::timeout and std attributes
 
 use serial_test::{parallel, serial};
 
@@ -37,3 +37,10 @@ fn test_serial_with_multiple_inner_attrs() {
 fn test_serial_inner_timeout_panics() {
     std::thread::sleep(std::time::Duration::from_secs(1));
 }
+
+/// Test with allow attribute
+#[test]
+#[serial(inner_attrs = [allow(unused_variables)])]
+fn test_serial_with_inner_allow() {
+    let _unused = 42;
+}