[blocked on design] [PoC]: rustdoc (html): add support for variances

[fmease]

Sits atop #123219. Together with it this fixes #22108.

r? ghost

[fmease]

Preemptively locking this. Design discussions should happen over here on Zulip or over at the issue, #22108.

[rust-log-analyzer]

The job x86_64-gnu-llvm-17 failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

#16 exporting to docker image format
#16 sending tarball 29.1s done
#16 DONE 32.6s
##[endgroup]
Setting extra environment values for docker:  --env ENABLE_GCC_CODEGEN=1 --env GCC_EXEC_PREFIX=/usr/lib/gcc/
[CI_JOB_NAME=x86_64-gnu-llvm-17]
---
sccache: Starting the server...
##[group]Configure the build
configure: processing command line
configure: 
configure: build.configure-args := ['--build=x86_64-unknown-linux-gnu', '--llvm-root=/usr/lib/llvm-17', '--enable-llvm-link-shared', '--set', 'rust.thin-lto-import-instr-limit=10', '--set', 'change-id=99999999', '--enable-verbose-configure', '--enable-sccache', '--disable-manage-submodules', '--enable-locked-deps', '--enable-cargo-native-static', '--set', 'rust.codegen-units-std=1', '--set', 'dist.compression-profile=balanced', '--dist-compression-formats=xz', '--disable-dist-src', '--release-channel=nightly', '--enable-debug-assertions', '--enable-overflow-checks', '--enable-llvm-assertions', '--set', 'rust.verify-llvm-ir', '--set', 'rust.codegen-backends=llvm,cranelift,gcc', '--set', 'llvm.static-libstdcpp', '--enable-new-symbol-mangling']
configure: target.x86_64-unknown-linux-gnu.llvm-config := /usr/lib/llvm-17/bin/llvm-config
configure: llvm.link-shared     := True
configure: rust.thin-lto-import-instr-limit := 10
configure: change-id            := 99999999
---
  Downloaded boml v0.3.1
   Compiling boml v0.3.1
   Compiling y v0.1.0 (/checkout/compiler/rustc_codegen_gcc/build_system)
    Finished `release` profile [optimized] target(s) in 3.46s
     Running `/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-codegen/x86_64-unknown-linux-gnu/release/y test --use-system-gcc --use-backend gcc --out-dir /checkout/obj/build/x86_64-unknown-linux-gnu/stage1-tools/cg_gcc --release --mini-tests --std-tests`
Using system GCC
[BUILD] example
[AOT] mini_core_hello_world
/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-tools/cg_gcc/mini_core_hello_world
abc
---
---- [rustdoc] tests/rustdoc/array-links.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/array-links" "/checkout/tests/rustdoc/array-links.rs"
--- expected ---


<code>pub fn beta&lt;T&gt;() -&gt; &amp;'static <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.array.html">[T; 1]</a></code>

--- actual ---

Build completed unsuccessfully in 0:18:04
Build completed unsuccessfully in 0:18:04
<code>pub fn beta&lt;<sub class="variance">+</sub>T&gt;() -&gt; &amp;'static <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.array.html">[T; 1]</a></code>
--- expected ---


<code>pub fn delta&lt;T&gt;() -&gt; <a class="struct" href="struct.MyBox.html" title="struct foo::MyBox">MyBox</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.array.html">[T; 1]</a>&gt;</code>

--- actual ---


<code>pub fn delta&lt;<sub class="variance">+</sub>T&gt;() -&gt; <a class="struct" href="struct.MyBox.html" title="struct foo::MyBox">MyBox</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.array.html">[T; 1]</a>&gt;</code>
--- stderr -------------------------------
--- stderr -------------------------------
text: 'pub fn beta<' != "pub fn beta<T>() -> &'static "
children 1 do not match: code
13: @snapshot check failed
 Actual snapshot value is different than expected
 // @snapshot link_slice_generic - '//pre[@class="rust item-decl"]/code'
text: 'pub fn delta<' != 'pub fn delta<T>() -> '
children 1 do not match: code
25: @snapshot check failed
 Actual snapshot value is different than expected
 // @snapshot link_box_generic - '//pre[@class="rust item-decl"]/code'
Encountered 2 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/async-fn.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/async-fn" "/checkout/tests/rustdoc/async-fn.rs"
--- stderr -------------------------------
12: @has check failed
12: @has check failed
 `XPATH PATTERN` did not match
 // @has async_fn/fn.baz.html '//pre[@class="rust item-decl"]' 'pub async fn baz<T>(a: T) -> T'
87: @has check failed
 `XPATH PATTERN` did not match
     // @has - '//*[@class="method"]' "pub async fn readable<T>(&self) -> Result<AsyncFdReadyGuard<'_, T>, ()>"
95: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "pub async fn named<'a, 'b>(foo: &'a str) -> &'b str"
98: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "pub async fn named_trait<'a, 'b>(foo: impl Pattern<'a>) -> impl Pattern<'b>"
Encountered 4 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/auto-trait-bounds-inference-variables-54705.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/auto-trait-bounds-inference-variables-54705" "/checkout/tests/rustdoc/auto-trait-bounds-inference-variables-54705.rs"
--- stderr -------------------------------
7: @has check failed
7: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//h3[@class="code-header"]' "impl<'scope, S> Send for ScopeFutureContents<'scope, S>where S: Sync"
10: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//h3[@class="code-header"]' "impl<'scope, S> Sync for ScopeFutureContents<'scope, S>where S: Sync"
Encountered 2 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/auto-trait-negative-impl-55321.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/auto-trait-negative-impl-55321" "/checkout/tests/rustdoc/auto-trait-negative-impl-55321.rs"
--- stderr -------------------------------
17: @has check failed
17: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//h3[@class="code-header"]' "impl<T> !Send for B<T>"
19: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//h3[@class="code-header"]' "impl<T> !Sync for B<T>"
Encountered 2 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/auto-trait-bounds-where-51236.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/auto-trait-bounds-where-51236" "/checkout/tests/rustdoc/auto-trait-bounds-where-51236.rs"
--- stderr -------------------------------
13: @has check failed
13: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//h3[@class="code-header"]' "impl<T> Send for Owned<T>where <T as Owned<'static>>::Reader: Send"
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/auto-trait-bounds-by-associated-type-50159.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/auto-trait-bounds-by-associated-type-50159" "/checkout/tests/rustdoc/auto-trait-bounds-by-associated-type-50159.rs"
--- stderr -------------------------------
20: @has check failed
20: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//h3[@class="code-header"]' 'impl<B> Send for Switch<B>where <B as Signal>::Item: Send'
21: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//h3[@class="code-header"]' 'impl<B> Sync for Switch<B>where <B as Signal>::Item: Sync'
Encountered 2 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/bounds.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/bounds" "/checkout/tests/rustdoc/bounds.rs"
--- stderr -------------------------------
8: @has check failed
8: @has check failed
 `XPATH PATTERN` did not match
 // @has - "//*[@id='tymethod.f']/h4" "fn f<'a, 'b, 'c, T>()where Self: Eq, T: Eq + 'a, 'c: 'b + 'a,"
16: @has check failed
 `XPATH PATTERN` did not match
 // @has - "//*[@id='tymethod.f']/h4" "fn f<T>()where Self: Eq + Eq2, T: Eq2 + Eq,"
27: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "empty<'a, T>()where T:, 'a:,"
Encountered 3 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/const-effect-param.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/const-effect-param" "/checkout/tests/rustdoc/const-effect-param.rs"
--- stderr -------------------------------
12: @has check failed
12: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' 'pub const fn g<T: Tr>()'
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/const-generics/add-impl.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/const-generics/add-impl" "/checkout/tests/rustdoc/const-generics/add-impl.rs"
--- stderr -------------------------------
5: @has check failed
5: @has check failed
 `XPATH PATTERN` did not match
 // @has foo/struct.Simd.html '//pre[@class="rust item-decl"]' 'pub struct Simd<T, const WIDTH: usize>'
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/const-generics/const-generic-defaults.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/const-generics/const-generic-defaults" "/checkout/tests/rustdoc/const-generics/const-generic-defaults.rs"
--- stderr -------------------------------
3: @has check failed
3: @has check failed
 `XPATH PATTERN` did not match
 // @has foo/struct.Foo.html '//pre[@class="rust item-decl"]' 'pub struct Foo<const M: usize = 10, const N: usize = M, T = i32>('
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/const-intrinsic.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/const-intrinsic" "/checkout/tests/rustdoc/const-intrinsic.rs"
--- stderr -------------------------------
9: @has check failed
9: @has check failed
 `XPATH PATTERN` did not match
     // @has - '//pre[@class="rust item-decl"]' 'pub const unsafe extern "rust-intrinsic" fn transmute<T, U>(_: T) -> U'
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/const-generics/const-impl.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/const-generics/const-impl" "/checkout/tests/rustdoc/const-generics/const-impl.rs"
--- stderr -------------------------------
13: @has check failed
13: @has check failed
 `XPATH PATTERN` did not match
 // @has foo/struct.VSet.html '//pre[@class="rust item-decl"]' 'pub struct VSet<T, const ORDER: Order>'
14: @has check failed
 `XPATH PATTERN` did not match
 // @has foo/struct.VSet.html '//*[@id="impl-Send-for-VSet%3CT,+ORDER%3E"]/h3[@class="code-header"]' 'impl<T, const ORDER: Order> Send for VSet<T, ORDER>'
15: @has check failed
 `XPATH PATTERN` did not match
 // @has foo/struct.VSet.html '//*[@id="impl-Sync-for-VSet%3CT,+ORDER%3E"]/h3[@class="code-header"]' 'impl<T, const ORDER: Order> Sync for VSet<T, ORDER>'
Encountered 3 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/const-generics/const-generics-docs.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/const-generics/const-generics-docs" "/checkout/tests/rustdoc/const-generics/const-generics-docs.rs"
--- stderr -------------------------------
36: @has check failed
36: @has check failed
 `XPATH PATTERN` did not match
 // @has foo/struct.Bar.html '//pre[@class="rust item-decl"]' 'pub struct Bar<T, const N: usize>('
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/higher-ranked-trait-bounds.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/higher-ranked-trait-bounds" "/checkout/tests/rustdoc/higher-ranked-trait-bounds.rs"
--- stderr -------------------------------
7: @has check failed
7: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre' "pub fn test1<T>()where for<'a> &'a T: Iterator,"
15: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre' "pub fn test2<T>()where for<'a, 'b> &'a T: Trait<'b>,"
23: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre' "pub fn test3<F>()where F: for<'a, 'b> Fn(&'a u8, &'b u8),"
41: @has check failed
 `XPATH PATTERN` did not match
     // @has - '//h4[@class="code-header"]' "pub fn bar<T>()where T: Trait<'a>,"
Encountered 4 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/inline_cross/const-effect-param.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/inline_cross/const-effect-param" "/checkout/tests/rustdoc/inline_cross/const-effect-param.rs"
--- stderr -------------------------------
10: @has check failed
10: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "pub const fn load<R>() -> i32where R: Resource"
17: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "pub const fn lock<R>()where R: Resource"
25: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "pub const fn clash<T, const host: u64>()where T: Clash<host>"
Encountered 3 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/inline_cross/dyn_trait.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/inline_cross/dyn_trait" "/checkout/tests/rustdoc/inline_cross/dyn_trait.rs"
--- stderr -------------------------------
56: @has check failed
56: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "lbwe<'e, 'l>(_: Ref<'l, dyn Trait + 'e>)"
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/inline_cross/early-late-bound-lifetime-params.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/inline_cross/early-late-bound-lifetime-params" "/checkout/tests/rustdoc/inline_cross/early-late-bound-lifetime-params.rs"
--- stderr -------------------------------
12: @has check failed
12: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "fn f<'a, 'b, 'c, 'd, T, const N: usize>(_: impl Copy)"
16: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="method.f"]' "fn f<'a, 'b, 'c, 'd, T, const N: usize>(_: impl Copy)"
Encountered 2 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/inline_cross/assoc_item_trait_bounds.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/inline_cross/assoc_item_trait_bounds" "/checkout/tests/rustdoc/inline_cross/assoc_item_trait_bounds.rs"
--- stderr -------------------------------
35: @has check failed
35: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="tymethod.make"]' "fn make<F>(_: F, _: impl FnMut(&str) -> bool)where F: FnOnce(u32) -> String, Self::Out2<()>: Protocol<u8, Q0 = Self::Item, Q1 = ()>"
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/inline_cross/impl-sized.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/inline_cross/impl-sized" "/checkout/tests/rustdoc/inline_cross/impl-sized.rs"
--- stderr -------------------------------
11: @has check failed
11: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "sized_outlives<'a>(x: impl Sized + 'a) -> impl Sized + 'a"
25: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "maybe_sized_outlives<'t>(x: &(impl ?Sized + 't)) -> &(impl ?Sized + 't)"
Encountered 2 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/inline_cross/impl_trait.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/inline_cross/impl_trait" "/checkout/tests/rustdoc/inline_cross/impl_trait.rs"
--- stderr -------------------------------
7: @has check failed
7: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "pub fn func<'a>(_x: impl Clone + Into<Vec<u8>> + 'a)"
12: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "func2<T>("
25: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "func4<T>("
37: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="method.method"]//h4[@class="code-header"]' "pub fn method<'a>(_x: impl Clone + Into<Vec<u8>> + 'a)"
Encountered 4 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/inline_cross/non_lifetime_binders.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/inline_cross/non_lifetime_binders" "/checkout/tests/rustdoc/inline_cross/non_lifetime_binders.rs"
--- stderr -------------------------------
10: @has check failed
10: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//pre[@class="rust item-decl"]' "g<T>(_: T)where T: for<U> Trait<U>"
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/inline_cross/sugar-closure-crate-21801.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/inline_cross/sugar-closure-crate-21801" "/checkout/tests/rustdoc/inline_cross/sugar-closure-crate-21801.rs"
--- stderr -------------------------------
10: @has check failed
10: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="method.new"]' 'fn new<F>(f: F) -> Foowhere F: FnMut() -> i32'
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/inline_cross/ret-pos-impl-trait-in-trait.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/inline_cross/ret-pos-impl-trait-in-trait" "/checkout/tests/rustdoc/inline_cross/ret-pos-impl-trait-in-trait.rs"
--- stderr -------------------------------
34: @has check failed
34: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="method.def"]' 'fn def<T>() -> impl Default'
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/issue-56822.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/issue-56822" "/checkout/tests/rustdoc/issue-56822.rs"
--- stderr -------------------------------
20: @has check failed
20: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//h3[@class="code-header"]' "impl<'a> Send for Parser<'a>"
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/issue-60726.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/issue-60726" "/checkout/tests/rustdoc/issue-60726.rs"
--- stderr -------------------------------
29: @has check failed
29: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//h3[@class="code-header"]' "impl<T> !Send for IntoIter<T>"
31: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//h3[@class="code-header"]' "impl<T> !Sync for IntoIter<T>"
Encountered 2 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/issue-80233-normalize-auto-trait.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/issue-80233-normalize-auto-trait" "/checkout/tests/rustdoc/issue-80233-normalize-auto-trait.rs"
--- stderr -------------------------------
34: @has check failed
34: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//h3[@class="code-header"]' 'impl<T> Send for Question<T>'
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/issue-81141-private-reexport-in-public-api-generics.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/issue-81141-private-reexport-in-public-api-generics" "/checkout/tests/rustdoc/issue-81141-private-reexport-in-public-api-generics.rs"
--- stderr -------------------------------
10: @has check failed
10: @has check failed
 `XPATH PATTERN` did not match
 // @has - '//*[@class="rust item-decl"]/code' "pub fn foo<'a, T>(f: Foo<'a, T>) -> Foo<'a, usize>"
Encountered 1 errors
------------------------------------------



---- [rustdoc] tests/rustdoc/issue-98697.rs stdout ----

error: htmldocck failed!
status: exit status: 1
command: "/usr/bin/python3" "/checkout/src/etc/htmldocck.py" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/rustdoc/issue-98697" "/checkout/tests/rustdoc/issue-98697.rs"
--- stderr -------------------------------

[bors]

☔ The latest upstream changes (presumably #123340) made this pull request unmergeable. Please resolve the merge conflicts.