Update ui tests to 2018 edition

test_suite/tests/ui/remote/bad_getter.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Serialize;
 
 mod remote {
     pub struct S {

test_suite/tests/ui/remote/bad_getter.stderr

@@ -1,7 +1,7 @@
 error: failed to parse path: "~~~"
-  --> $DIR/bad_getter.rs:13:22
+  --> $DIR/bad_getter.rs:12:22
    |
-13 |     #[serde(getter = "~~~")]
+12 |     #[serde(getter = "~~~")]
    |                      ^^^^^
 
 error: aborting due to previous error

test_suite/tests/ui/remote/bad_remote.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Serialize;
 
 mod remote {
     pub struct S {

test_suite/tests/ui/remote/bad_remote.stderr

@@ -1,7 +1,7 @@
 error: failed to parse path: "~~~"
-  --> $DIR/bad_remote.rs:11:18
+  --> $DIR/bad_remote.rs:10:18
    |
-11 | #[serde(remote = "~~~")]
+10 | #[serde(remote = "~~~")]
    |                  ^^^^^
 
 error: aborting due to previous error

test_suite/tests/ui/remote/enum_getter.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Serialize;
 
 mod remote {
     pub enum E {

test_suite/tests/ui/remote/enum_getter.stderr

@@ -1,13 +1,13 @@
 error: #[serde(getter = "...")] is not allowed in an enum
-  --> $DIR/enum_getter.rs:11:1
+  --> $DIR/enum_getter.rs:10:1
    |
-11 | / #[serde(remote = "remote::E")]
-12 | | pub enum E {
-13 | |     A {
-14 | |         #[serde(getter = "get_a")]
-15 | |         a: u8,
-16 | |     },
-17 | | }
+10 | / #[serde(remote = "remote::E")]
+11 | | pub enum E {
+12 | |     A {
+13 | |         #[serde(getter = "get_a")]
+14 | |         a: u8,
+15 | |     },
+16 | | }
    | |_^
 
 error: aborting due to previous error

test_suite/tests/ui/remote/missing_field.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::{Serialize, Deserialize};
 
 mod remote {
     pub struct S {

test_suite/tests/ui/remote/missing_field.stderr

@@ -1,7 +1,7 @@
 error[E0063]: missing field `b` in initializer of `remote::S`
-  --> $DIR/missing_field.rs:12:18
+  --> $DIR/missing_field.rs:11:18
    |
-12 | #[serde(remote = "remote::S")]
+11 | #[serde(remote = "remote::S")]
    |                  ^^^^^^^^^^^ missing `b`
 
 error: aborting due to previous error

test_suite/tests/ui/remote/nonremote_getter.rs

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

test_suite/tests/ui/remote/nonremote_getter.stderr

@@ -1,10 +1,10 @@
 error: #[serde(getter = "...")] can only be used in structs that have #[serde(remote = "...")]
- --> $DIR/nonremote_getter.rs:5:1
+ --> $DIR/nonremote_getter.rs:4:1
   |
-5 | / struct S {
-6 | |     #[serde(getter = "S::get")]
-7 | |     a: u8,
-8 | | }
+4 | / struct S {
+5 | |     #[serde(getter = "S::get")]
+6 | |     a: u8,
+7 | | }
   | |_^
 
 error: aborting due to previous error

test_suite/tests/ui/remote/unknown_field.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::{Serialize, Deserialize};
 
 mod remote {
     pub struct S {

test_suite/tests/ui/remote/unknown_field.stderr

@@ -1,13 +1,13 @@
 error[E0609]: no field `b` on type `&remote::S`
-  --> $DIR/unknown_field.rs:13:5
+  --> $DIR/unknown_field.rs:12:5
    |
-13 |     b: u8,
+12 |     b: u8,
    |     ^
 
 error[E0560]: struct `remote::S` has no field named `b`
-  --> $DIR/unknown_field.rs:13:5
+  --> $DIR/unknown_field.rs:12:5
    |
-13 |     b: u8,
+12 |     b: u8,
    |     ^ field does not exist - did you mean `a`?
 
 error: aborting due to 2 previous errors

test_suite/tests/ui/remote/wrong_de.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Deserialize;
 
 mod remote {
     pub struct S(pub u16);

test_suite/tests/ui/remote/wrong_de.stderr

@@ -1,11 +1,11 @@
 error[E0308]: mismatched types
- --> $DIR/wrong_de.rs:8:10
+ --> $DIR/wrong_de.rs:7:10
   |
-8 | #[derive(Deserialize)]
+7 | #[derive(Deserialize)]
   |          ^^^^^^^^^^^ expected u16, found u8
 help: you can cast an `u8` to `u16`, which will zero-extend the source value
   |
-8 | #[derive(Deserialize.into())]
+7 | #[derive(Deserialize.into())]
   |          ^^^^^^^^^^^^^^^^^^
 
 error: aborting due to previous error

test_suite/tests/ui/remote/wrong_getter.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Serialize;
 
 mod remote {
     pub struct S {

test_suite/tests/ui/remote/wrong_getter.stderr

@@ -1,7 +1,7 @@
 error[E0308]: mismatched types
-  --> $DIR/wrong_getter.rs:16:10
+  --> $DIR/wrong_getter.rs:15:10
    |
-16 | #[derive(Serialize)]
+15 | #[derive(Serialize)]
    |          ^^^^^^^^^ expected u8, found u16
    |
    = note: expected type `&u8`

test_suite/tests/ui/remote/wrong_ser.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate serde_derive;
+use serde_derive::Serialize;
 
 mod remote {
     pub struct S {

test_suite/tests/ui/remote/wrong_ser.stderr

@@ -1,11 +1,11 @@
 error[E0308]: mismatched types
-  --> $DIR/wrong_ser.rs:10:10
-   |
-10 | #[derive(Serialize)]
-   |          ^^^^^^^^^ expected u8, found u16
-   |
-   = note: expected type `&u8`
-              found type `&u16`
+ --> $DIR/wrong_ser.rs:9:10
+  |
+9 | #[derive(Serialize)]
+  |          ^^^^^^^^^ expected u8, found u16
+  |
+  = note: expected type `&u8`
+             found type `&u16`
 
 error: aborting due to previous error