Add more missing 2015 edition directives

Author: Veykril

tests/ui/resolve/extern-prelude-fail.rs

@@ -1,3 +1,4 @@
+//@ edition: 2015
 //@ compile-flags:--extern extern_prelude
 //@ aux-build:extern-prelude.rs
 

tests/ui/resolve/extern-prelude-fail.stderr

@@ -1,5 +1,5 @@
 error[E0432]: unresolved import `extern_prelude`
-  --> $DIR/extern-prelude-fail.rs:7:9
+  --> $DIR/extern-prelude-fail.rs:8:9
    |
 LL |     use extern_prelude::S;
    |         ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `extern_prelude`
@@ -10,7 +10,7 @@ LL + extern crate extern_prelude;
    |
 
 error[E0433]: failed to resolve: use of unresolved module or unlinked crate `extern_prelude`
-  --> $DIR/extern-prelude-fail.rs:8:15
+  --> $DIR/extern-prelude-fail.rs:9:15
    |
 LL |     let s = ::extern_prelude::S;
    |               ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `extern_prelude`

tests/ui/resolve/resolve-bad-visibility.rs

@@ -1,3 +1,4 @@
+//@ edition: 2015
 enum E {}
 trait Tr {}
 

tests/ui/resolve/resolve-bad-visibility.stderr

@@ -1,23 +1,23 @@
 error[E0577]: expected module, found enum `E`
-  --> $DIR/resolve-bad-visibility.rs:4:8
+  --> $DIR/resolve-bad-visibility.rs:5:8
    |
 LL | pub(in E) struct S;
    |        ^ not a module
 
 error[E0577]: expected module, found trait `Tr`
-  --> $DIR/resolve-bad-visibility.rs:5:8
+  --> $DIR/resolve-bad-visibility.rs:6:8
    |
 LL | pub(in Tr) struct Z;
    |        ^^ not a module
 
 error[E0742]: visibilities can only be restricted to ancestor modules
-  --> $DIR/resolve-bad-visibility.rs:6:8
+  --> $DIR/resolve-bad-visibility.rs:7:8
    |
 LL | pub(in std::vec) struct F;
    |        ^^^^^^^^
 
 error[E0433]: failed to resolve: use of unresolved module or unlinked crate `nonexistent`
-  --> $DIR/resolve-bad-visibility.rs:7:8
+  --> $DIR/resolve-bad-visibility.rs:8:8
    |
 LL | pub(in nonexistent) struct G;
    |        ^^^^^^^^^^^ use of unresolved module or unlinked crate `nonexistent`
@@ -28,7 +28,7 @@ LL + extern crate nonexistent;
    |
 
 error[E0433]: failed to resolve: use of unresolved module or unlinked crate `too_soon`
-  --> $DIR/resolve-bad-visibility.rs:8:8
+  --> $DIR/resolve-bad-visibility.rs:9:8
    |
 LL | pub(in too_soon) struct H;
    |        ^^^^^^^^ use of unresolved module or unlinked crate `too_soon`

tests/ui/resolve/suggest-builder-fn.rs

@@ -32,7 +32,7 @@ impl Bar {
 }
 
 mod SomeMod {
-    use Bar;
+    use crate::Bar;
 
     impl Bar {
         // Public method. Should be suggested

tests/ui/resolve/unresolved-segments-visibility.rs

@@ -5,7 +5,7 @@ extern crate alloc as b;
 
 mod foo {
     mod bar {
-        pub(in b::string::String::newy) extern crate alloc as e;
+        pub(in crate::b::string::String::newy) extern crate alloc as e;
         //~^ ERROR failed to resolve: `String` is a struct, not a module [E0433]
     }
 }

tests/ui/resolve/unresolved-segments-visibility.stderr

@@ -1,8 +1,8 @@
 error[E0433]: failed to resolve: `String` is a struct, not a module
-  --> $DIR/unresolved-segments-visibility.rs:8:27
+  --> $DIR/unresolved-segments-visibility.rs:8:34
    |
-LL |         pub(in b::string::String::newy) extern crate alloc as e;
-   |                           ^^^^^^ `String` is a struct, not a module
+LL |         pub(in crate::b::string::String::newy) extern crate alloc as e;
+   |                                  ^^^^^^ `String` is a struct, not a module
 
 error: aborting due to 1 previous error
 

tests/ui/rust-2018/edition-lint-fully-qualified-paths.fixed

@@ -1,3 +1,4 @@
+//@ edition: 2015
 //@ run-rustfix
 
 #![deny(absolute_paths_not_starting_with_crate)]

tests/ui/rust-2018/edition-lint-fully-qualified-paths.rs

@@ -1,3 +1,4 @@
+//@ edition: 2015
 //@ run-rustfix
 
 #![deny(absolute_paths_not_starting_with_crate)]

tests/ui/rust-2018/edition-lint-fully-qualified-paths.stderr

@@ -1,19 +1,19 @@
 error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
-  --> $DIR/edition-lint-fully-qualified-paths.rs:18:25
+  --> $DIR/edition-lint-fully-qualified-paths.rs:19:25
    |
 LL |     let _: <foo::Baz as ::foo::Foo>::Bar = ();
    |                         ^^^^^^^^^^ help: use `crate`: `crate::foo::Foo`
    |
    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
    = note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
 note: the lint level is defined here
-  --> $DIR/edition-lint-fully-qualified-paths.rs:3:9
+  --> $DIR/edition-lint-fully-qualified-paths.rs:4:9
    |
 LL | #![deny(absolute_paths_not_starting_with_crate)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
-  --> $DIR/edition-lint-fully-qualified-paths.rs:18:25
+  --> $DIR/edition-lint-fully-qualified-paths.rs:19:25
    |
 LL |     let _: <foo::Baz as ::foo::Foo>::Bar = ();
    |                         ^^^^^^^^^^ help: use `crate`: `crate::foo::Foo`
@@ -23,7 +23,7 @@ LL |     let _: <foo::Baz as ::foo::Foo>::Bar = ();
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
-  --> $DIR/edition-lint-fully-qualified-paths.rs:24:13
+  --> $DIR/edition-lint-fully-qualified-paths.rs:25:13
    |
 LL |     let _: <::foo::Baz as foo::Foo>::Bar = ();
    |             ^^^^^^^^^^ help: use `crate`: `crate::foo::Baz`