Use edition:2018 flag more widely

JohnTitor · JohnTitor · commit 515847dad187 · 2020-03-11T06:35:07.000+09:00
diff --git a/tests/ui/doc_errors.rs b/tests/ui/doc_errors.rs
@@ -1,4 +1,4 @@
-// compile-flags: --edition 2018
+// edition:2018
 #![warn(clippy::missing_errors_doc)]
 
 use std::io;
diff --git a/tests/ui/issue_4266.rs b/tests/ui/issue_4266.rs
@@ -1,4 +1,4 @@
-// compile-flags: --edition 2018
+// edition:2018
 #![allow(dead_code)]
 
 async fn sink1<'a>(_: &'a str) {} // lint
diff --git a/tests/ui/macro_use_imports.rs b/tests/ui/macro_use_imports.rs
@@ -1,4 +1,4 @@
-// compile-flags: --edition 2018
+// edition:2018
 #![warn(clippy::macro_use_imports)]
 
 use std::collections::HashMap;
diff --git a/tests/ui/methods.rs b/tests/ui/methods.rs
@@ -1,5 +1,5 @@
 // aux-build:option_helpers.rs
-// compile-flags: --edition 2018
+// edition:2018
 
 #![warn(clippy::all, clippy::pedantic)]
 #![allow(
diff --git a/tests/ui/single_component_path_imports.fixed b/tests/ui/single_component_path_imports.fixed
@@ -1,5 +1,5 @@
 // run-rustfix
-// compile-flags: --edition 2018
+// edition:2018
 #![warn(clippy::single_component_path_imports)]
 #![allow(unused_imports)]
 
diff --git a/tests/ui/single_component_path_imports.rs b/tests/ui/single_component_path_imports.rs
@@ -1,5 +1,5 @@
 // run-rustfix
-// compile-flags: --edition 2018
+// edition:2018
 #![warn(clippy::single_component_path_imports)]
 #![allow(unused_imports)]
 
diff --git a/tests/ui/use_self.fixed b/tests/ui/use_self.fixed
@@ -1,5 +1,5 @@
 // run-rustfix
-// compile-flags: --edition 2018
+// edition:2018
 
 #![warn(clippy::use_self)]
 #![allow(dead_code)]
diff --git a/tests/ui/use_self.rs b/tests/ui/use_self.rs
@@ -1,5 +1,5 @@
 // run-rustfix
-// compile-flags: --edition 2018
+// edition:2018
 
 #![warn(clippy::use_self)]
 #![allow(dead_code)]

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// compile-flags: --edition 2018`
	`1`	`+// edition:2018`
`2`	`2`	`#![warn(clippy::missing_errors_doc)]`
`3`	`3`
`4`	`4`	`use std::io;`