Update ui tests to 2018 edition

test_suite/tests/ui/transparent/at_most_one.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Serialize;
 
 #[derive(Serialize)]
 #[serde(transparent)]

test_suite/tests/ui/transparent/at_most_one.stderr

@@ -1,11 +1,11 @@
 error: #[serde(transparent)] requires struct to have at most one transparent field
- --> $DIR/at_most_one.rs:5:1
+ --> $DIR/at_most_one.rs:4:1
   |
-5 | / #[serde(transparent)]
-6 | | struct S {
-7 | |     a: u8,
-8 | |     b: u8,
-9 | | }
+4 | / #[serde(transparent)]
+5 | | struct S {
+6 | |     a: u8,
+7 | |     b: u8,
+8 | | }
   | |_^
 
 error: aborting due to previous error

test_suite/tests/ui/transparent/de_at_least_one.rs

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

test_suite/tests/ui/transparent/de_at_least_one.stderr

@@ -1,13 +1,13 @@
 error: #[serde(transparent)] requires at least one field that is neither skipped nor has a default
-  --> $DIR/de_at_least_one.rs:5:1
+  --> $DIR/de_at_least_one.rs:4:1
    |
-5  | / #[serde(transparent)]
-6  | | struct S {
-7  | |     #[serde(skip)]
-8  | |     a: u8,
-9  | |     #[serde(default)]
-10 | |     b: u8,
-11 | | }
+4  | / #[serde(transparent)]
+5  | | struct S {
+6  | |     #[serde(skip)]
+7  | |     a: u8,
+8  | |     #[serde(default)]
+9  | |     b: u8,
+10 | | }
    | |_^
 
 error: aborting due to previous error

test_suite/tests/ui/transparent/enum.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Serialize;
 
 #[derive(Serialize)]
 #[serde(transparent)]

test_suite/tests/ui/transparent/enum.stderr

@@ -1,8 +1,8 @@
 error: #[serde(transparent)] is not allowed on an enum
- --> $DIR/enum.rs:5:1
+ --> $DIR/enum.rs:4:1
   |
-5 | / #[serde(transparent)]
-6 | | enum E {}
+4 | / #[serde(transparent)]
+5 | | enum E {}
   | |_________^
 
 error: aborting due to previous error

test_suite/tests/ui/transparent/ser_at_least_one.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Serialize;
 
 #[derive(Serialize)]
 #[serde(transparent)]

test_suite/tests/ui/transparent/ser_at_least_one.stderr

@@ -1,11 +1,11 @@
 error: #[serde(transparent)] requires at least one field that is not skipped
- --> $DIR/ser_at_least_one.rs:5:1
+ --> $DIR/ser_at_least_one.rs:4:1
   |
-5 | / #[serde(transparent)]
-6 | | struct S {
-7 | |     #[serde(skip)]
-8 | |     a: u8,
-9 | | }
+4 | / #[serde(transparent)]
+5 | | struct S {
+6 | |     #[serde(skip)]
+7 | |     a: u8,
+8 | | }
   | |_^
 
 error: aborting due to previous error

test_suite/tests/ui/transparent/unit_struct.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Serialize;
 
 #[derive(Serialize)]
 #[serde(transparent)]

test_suite/tests/ui/transparent/unit_struct.stderr

@@ -1,8 +1,8 @@
 error: #[serde(transparent)] is not allowed on a unit struct
- --> $DIR/unit_struct.rs:5:1
+ --> $DIR/unit_struct.rs:4:1
   |
-5 | / #[serde(transparent)]
-6 | | struct S;
+4 | / #[serde(transparent)]
+5 | | struct S;
   | |_________^
 
 error: aborting due to previous error

test_suite/tests/ui/transparent/with_from.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Serialize;
 
 #[derive(Serialize)]
 #[serde(transparent, from = "u64")]

test_suite/tests/ui/transparent/with_from.stderr

@@ -1,10 +1,10 @@
 error: #[serde(transparent)] is not allowed with #[serde(from = "...")]
- --> $DIR/with_from.rs:5:1
+ --> $DIR/with_from.rs:4:1
   |
-5 | / #[serde(transparent, from = "u64")]
-6 | | struct S {
-7 | |     a: u8,
-8 | | }
+4 | / #[serde(transparent, from = "u64")]
+5 | | struct S {
+6 | |     a: u8,
+7 | | }
   | |_^
 
 error: aborting due to previous error

test_suite/tests/ui/transparent/with_into.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Serialize;
 
 #[derive(Serialize)]
 #[serde(transparent, into = "u64")]

test_suite/tests/ui/transparent/with_into.stderr

@@ -1,10 +1,10 @@
 error: #[serde(transparent)] is not allowed with #[serde(into = "...")]
- --> $DIR/with_into.rs:5:1
+ --> $DIR/with_into.rs:4:1
   |
-5 | / #[serde(transparent, into = "u64")]
-6 | | struct S {
-7 | |     a: u8,
-8 | | }
+4 | / #[serde(transparent, into = "u64")]
+5 | | struct S {
+6 | |     a: u8,
+7 | | }
   | |_^
 
 error: aborting due to previous error