Update test output for edition preludes.

src/test/ui/ast-json/ast-json-output.stdout

@@ -1 +1 @@
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+{"attrs":[{"kind":{"variant":"Normal","fields":[{"path":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"crate_type","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"args":{"variant":"Eq","fields":[{"lo":0,"hi":0},{"kind":{"variant":"Interpolated","fields":[{"variant":"NtExpr","fields":[{"id":0,"kind":{"variant":"Lit","fields":[{"token":{"kind":"Str","symbol":"lib","suffix":null},"kind":{"variant":"Str","fields":["lib","Cooked"]},"span":{"lo":0,"hi":0}}]},"span":{"lo":0,"hi":0},"attrs":{"0":null},"tokens":{"0":[[{"variant":"Token","fields":[{"kind":{"variant":"Literal","fields":[{"kind":"Str","symbol":"lib","suffix":null}]},"span":{"lo":0,"hi":0}}]},"Alone"]]}}]}]},"span":{"lo":0,"hi":0}}]},"tokens":null},{"0":[[{"variant":"Token","fields":[{"kind":"Pound","span":{"lo":0,"hi":0}}]},"Joint"],[{"variant":"Token","fields":[{"kind":"Not","span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Delimited","fields":[{"open":{"lo":0,"hi":0},"close":{"lo":0,"hi":0}},"Bracket",{"0":[[{"variant":"Token","fields":[{"kind":{"variant":"Ident","fields":["crate_type",false]},"span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Token","fields":[{"kind":"Eq","span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Token","fields":[{"kind":{"variant":"Literal","fields":[{"kind":"Str","symbol":"lib","suffix":null}]},"span":{"lo":0,"hi":0}}]},"Alone"]]}]},"Alone"]]}]},"id":null,"style":"Inner","span":{"lo":0,"hi":0}}],"items":[{"attrs":[{"kind":{"variant":"Normal","fields":[{"path":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"prelude_import","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"args":"Empty","tokens":null},null]},"id":null,"style":"Outer","span":{"lo":0,"hi":0}}],"id":0,"span":{"lo":0,"hi":0},"vis":{"kind":"Inherited","span":{"lo":0,"hi":0},"tokens":null},"ident":{"name":"","span":{"lo":0,"hi":0}},"kind":{"variant":"Use","fields":[{"prefix":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"{{root}}","span":{"lo":0,"hi":0}},"id":0,"args":null},{"ident":{"name":"std","span":{"lo":0,"hi":0}},"id":0,"args":null},{"ident":{"name":"prelude","span":{"lo":0,"hi":0}},"id":0,"args":null},{"ident":{"name":"rust_2015","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"kind":"Glob","span":{"lo":0,"hi":0}}]},"tokens":null},{"attrs":[{"kind":{"variant":"Normal","fields":[{"path":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"macro_use","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"args":"Empty","tokens":null},null]},"id":null,"style":"Outer","span":{"lo":0,"hi":0}}],"id":0,"span":{"lo":0,"hi":0},"vis":{"kind":"Inherited","span":{"lo":0,"hi":0},"tokens":null},"ident":{"name":"std","span":{"lo":0,"hi":0}},"kind":{"variant":"ExternCrate","fields":[null]},"tokens":null},{"attrs":[],"id":0,"span":{"lo":0,"hi":0},"vis":{"kind":"Inherited","span":{"lo":0,"hi":0},"tokens":null},"ident":{"name":"core","span":{"lo":0,"hi":0}},"kind":{"variant":"ExternCrate","fields":[null]},"tokens":null}],"span":{"lo":0,"hi":0},"proc_macros":[]}

src/test/ui/imports/extern-prelude-extern-crate-restricted-shadowing.stderr

@@ -24,10 +24,10 @@ LL |         extern crate std as Vec;
 LL | define_vec!();
    | -------------- in this macro invocation
 note: `Vec` could also refer to the struct defined here
-  --> $SRC_DIR/std/src/prelude/v1.rs:LL:COL
+  --> $SRC_DIR/std/src/prelude/mod.rs:LL:COL
    |
-LL | pub use crate::vec::Vec;
-   |         ^^^^^^^^^^^^^^^
+LL |     pub use super::v1::*;
+   |             ^^^^^^^^^^^^
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to 2 previous errors

src/test/ui/issues/issue-27033.stderr

@@ -4,10 +4,10 @@ error[E0530]: match bindings cannot shadow unit variants
 LL |         None @ _ => {}
    |         ^^^^ cannot be named the same as a unit variant
    | 
-  ::: $SRC_DIR/std/src/prelude/v1.rs:LL:COL
+  ::: $SRC_DIR/std/src/prelude/mod.rs:LL:COL
    |
-LL | pub use crate::option::Option::{self, None, Some};
-   |                                       ---- the unit variant `None` is defined here
+LL |     pub use super::v1::*;
+   |             ------------ the unit variant `None` is defined here
 
 error[E0530]: match bindings cannot shadow constants
   --> $DIR/issue-27033.rs:7:9

src/test/ui/issues/issue-60662.stdout

@@ -3,7 +3,7 @@
 
 #![feature(type_alias_impl_trait)]
 #[prelude_import]
-use ::std::prelude::v1::*;
+use ::std::prelude::rust_2015::*;
 #[macro_use]
 extern crate std;
 

src/test/ui/proc-macro/meta-macro-hygiene.stdout

@@ -15,7 +15,7 @@ Respanned: TokenStream [Ident { ident: "$crate", span: $DIR/auxiliary/make-macro
 
 #![no_std /* 0#0 */]
 #[prelude_import /* 0#1 */]
-use core /* 0#1 */::prelude /* 0#1 */::v1 /* 0#1 */::*;
+use core /* 0#1 */::prelude /* 0#1 */::rust_2018 /* 0#1 */::*;
 #[macro_use /* 0#1 */]
 extern crate core /* 0#1 */;
 #[macro_use /* 0#1 */]

src/test/ui/proc-macro/nonterminal-token-hygiene.stdout

@@ -35,7 +35,7 @@ PRINT-BANG INPUT (DEBUG): TokenStream [
 
 #![no_std /* 0#0 */]
 #[prelude_import /* 0#1 */]
-use ::core /* 0#1 */::prelude /* 0#1 */::v1 /* 0#1 */::*;
+use ::core /* 0#1 */::prelude /* 0#1 */::rust_2015 /* 0#1 */::*;
 #[macro_use /* 0#1 */]
 extern crate core /* 0#2 */;
 #[macro_use /* 0#1 */]

src/test/ui/rfc-2497-if-let-chains/ast-pretty-check.stdout

@@ -1,7 +1,7 @@
 #![feature(prelude_import)]
 #![no_std]
 #[prelude_import]
-use ::std::prelude::v1::*;
+use ::std::prelude::rust_2015::*;
 #[macro_use]
 extern crate std;
 // build-pass (FIXME(62277): could be check-pass?)