Update ui tests to 2018 edition

test_suite/tests/ui/borrow/bad_lifetimes.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Deserialize;
 
 #[derive(Deserialize)]
 struct Test<'a> {

test_suite/tests/ui/borrow/bad_lifetimes.stderr

@@ -1,7 +1,7 @@
 error: failed to parse borrowed lifetimes: "zzz"
- --> $DIR/bad_lifetimes.rs:6:22
+ --> $DIR/bad_lifetimes.rs:5:22
   |
-6 |     #[serde(borrow = "zzz")]
+5 |     #[serde(borrow = "zzz")]
   |                      ^^^^^
 
 error: aborting due to previous error

test_suite/tests/ui/borrow/duplicate_lifetime.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Deserialize;
 
 #[derive(Deserialize)]
 struct Test<'a> {

test_suite/tests/ui/borrow/duplicate_lifetime.stderr

@@ -1,7 +1,7 @@
 error: duplicate borrowed lifetime `'a`
- --> $DIR/duplicate_lifetime.rs:6:22
+ --> $DIR/duplicate_lifetime.rs:5:22
   |
-6 |     #[serde(borrow = "'a + 'a")]
+5 |     #[serde(borrow = "'a + 'a")]
   |                      ^^^^^^^^^
 
 error: aborting due to previous error

test_suite/tests/ui/borrow/duplicate_variant.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Deserialize;
 
 #[derive(Deserialize)]
 struct Str<'a>(&'a str);

test_suite/tests/ui/borrow/duplicate_variant.stderr

@@ -1,7 +1,7 @@
 error: duplicate serde attribute `borrow`
- --> $DIR/duplicate_variant.rs:9:13
+ --> $DIR/duplicate_variant.rs:8:13
   |
-9 |     #[serde(borrow)]
+8 |     #[serde(borrow)]
   |             ^^^^^^
 
 error: aborting due to previous error

test_suite/tests/ui/borrow/empty_lifetimes.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Deserialize;
 
 #[derive(Deserialize)]
 struct Test<'a> {

test_suite/tests/ui/borrow/empty_lifetimes.stderr

@@ -1,7 +1,7 @@
 error: at least one lifetime must be borrowed
- --> $DIR/empty_lifetimes.rs:6:22
+ --> $DIR/empty_lifetimes.rs:5:22
   |
-6 |     #[serde(borrow = "")]
+5 |     #[serde(borrow = "")]
   |                      ^^
 
 error: aborting due to previous error

test_suite/tests/ui/borrow/no_lifetimes.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Deserialize;
 
 #[derive(Deserialize)]
 struct Test {

test_suite/tests/ui/borrow/no_lifetimes.stderr

@@ -1,8 +1,8 @@
 error: field `s` has no lifetimes to borrow
- --> $DIR/no_lifetimes.rs:6:5
+ --> $DIR/no_lifetimes.rs:5:5
   |
-6 | /     #[serde(borrow)]
-7 | |     s: String,
+5 | /     #[serde(borrow)]
+6 | |     s: String,
   | |_____________^
 
 error: aborting due to previous error

test_suite/tests/ui/borrow/struct_variant.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Deserialize;
 
 #[derive(Deserialize)]
 struct Str<'a>(&'a str);

test_suite/tests/ui/borrow/struct_variant.stderr

@@ -1,9 +1,9 @@
 error: #[serde(borrow)] may only be used on newtype variants
-  --> $DIR/struct_variant.rs:9:5
-   |
-9  | /     #[serde(borrow)]
-10 | |     S { s: Str<'a> },
-   | |____________________^
+ --> $DIR/struct_variant.rs:8:5
+  |
+8 | /     #[serde(borrow)]
+9 | |     S { s: Str<'a> },
+  | |____________________^
 
 error: aborting due to previous error
 

test_suite/tests/ui/borrow/wrong_lifetime.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Deserialize;
 
 #[derive(Deserialize)]
 struct Test<'a> {

test_suite/tests/ui/borrow/wrong_lifetime.stderr

@@ -1,8 +1,8 @@
 error: field `s` does not have lifetime 'b
- --> $DIR/wrong_lifetime.rs:6:5
+ --> $DIR/wrong_lifetime.rs:5:5
   |
-6 | /     #[serde(borrow = "'b")]
-7 | |     s: &'a str,
+5 | /     #[serde(borrow = "'b")]
+6 | |     s: &'a str,
   | |______________^
 
 error: aborting due to previous error