Update rustdoc-ui tests

Author: GuillaumeGomez

tests/rustdoc-ui/doctest/doctest-output-include-fail.stdout

@@ -13,7 +13,15 @@ LL |     let x = 234 // no semicolon here! oh no!
 LL | }
    | - unexpected token
 
-error: aborting due to 1 previous error
+warning: unused variable: `x`
+  --> $DIR/doctest-output-include-fail.md:5:9
+   |
+LL |     let x = 234 // no semicolon here! oh no!
+   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
+   |
+   = note: `#[warn(unused_variables)]` on by default
+
+error: aborting due to 1 previous error; 1 warning emitted
 
 Couldn't compile the test.
 

tests/rustdoc-ui/doctest/nocapture-fail.stderr

@@ -14,5 +14,12 @@ LL |     Input: 123
 LL ~ } }
    |
 
-error: aborting due to 1 previous error
+error[E0601]: `main` function not found in crate `rust_out`
+  --> $DIR/nocapture-fail.rs:10:2
+   |
+LL | }
+   |  ^ consider adding a `main` function to `$DIR/nocapture-fail.rs`
+
+error: aborting due to 2 previous errors
 
+For more information about this error, try `rustc --explain E0601`.

tests/rustdoc-ui/extract-doctests.stdout

@@ -1 +1 @@
-{"format_version":1,"doctests":[{"file":"$DIR/extract-doctests.rs","line":8,"doctest_attributes":{"original":"ignore (checking attributes)","should_panic":false,"no_run":false,"ignore":"All","rust":true,"test_harness":false,"compile_fail":false,"standalone_crate":false,"error_codes":[],"edition":null,"added_css_classes":[],"unknown":[]},"original_code":"let x = 12;\nlet y = 14;","doctest_code":"#![allow(unused)]\nfn main() {\nlet x = 12;\nlet y = 14;\n}","name":"$DIR/extract-doctests.rs - (line 8)"},{"file":"$DIR/extract-doctests.rs","line":13,"doctest_attributes":{"original":"edition2018,compile_fail","should_panic":false,"no_run":true,"ignore":"None","rust":true,"test_harness":false,"compile_fail":true,"standalone_crate":false,"error_codes":[],"edition":"2018","added_css_classes":[],"unknown":[]},"original_code":"let","doctest_code":"#![allow(unused)]\nfn main() {\nlet\n}","name":"$DIR/extract-doctests.rs - (line 13)"}]}
+{"format_version":1,"doctests":[{"file":"$DIR/extract-doctests.rs","line":8,"doctest_attributes":{"original":"ignore (checking attributes)","should_panic":false,"no_run":false,"ignore":"All","rust":true,"test_harness":false,"compile_fail":false,"standalone_crate":false,"error_codes":[],"edition":null,"added_css_classes":[],"unknown":[]},"original_code":"let x = 12;\nlet y = 14;","doctest_code":"#![allow(unused)]\nfn main() {\nlet x = 12;\nlet y = 14;\n}","name":"$DIR/extract-doctests.rs - (line 8)"},{"file":"$DIR/extract-doctests.rs","line":13,"doctest_attributes":{"original":"edition2018,compile_fail","should_panic":false,"no_run":true,"ignore":"None","rust":true,"test_harness":false,"compile_fail":true,"standalone_crate":false,"error_codes":[],"edition":"2018","added_css_classes":[],"unknown":[]},"original_code":"let","doctest_code":null,"name":"$DIR/extract-doctests.rs - (line 13)"}]}

tests/rustdoc-ui/remap-path-prefix-invalid-doctest.stdout

@@ -5,11 +5,11 @@ test remapped_path/remap-path-prefix-invalid-doctest.rs - SomeStruct (line 10) .
 failures:
 
 ---- remapped_path/remap-path-prefix-invalid-doctest.rs - SomeStruct (line 10) stdout ----
-error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `is`
+error: expected one of `!` or `::`, found `is`
   --> remapped_path/remap-path-prefix-invalid-doctest.rs:11:6
    |
 LL | this is not real code
-   |      ^^ expected one of 8 possible tokens
+   |      ^^ expected one of `!` or `::`
 
 error: aborting due to 1 previous error