Rollup of 8 pull requests

[JohnTitor]

Successful merges:

• memorialize Anna Harren in the bastion of the turbofish #87298 (memorialize Anna Harren in the bastion of the turbofish)
• fix: clarify suggestion that &T must refer to T: Sync for &T: Send #87322 (fix: clarify suggestion that &T must refer to T: Sync for &T: Send)
• Don't hide fields of enum struct variants #87332 (Don't hide fields of enum struct variants)
• Make x.py d an alias for x.py doc #87362 (Make x.py d an alias for x.py doc)
• Move calls to test_main into one function #87372 (Move calls to test_main into one function)
• Extend HIR WF checking to fields #87373 (Extend HIR WF checking to fields)
• Change rustdoc logo to use the full container size #87376 (Change rustdoc logo to use the full container size)
• Add regression tests for the impl_trait_in_bindings ICEs #87383 (Add regression tests for the impl_trait_in_bindings ICEs)

Failed merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[JohnTitor]

@bors r+ p=8 rollup=never

[bors]

📌 Commit 15b2d95 has been approved by JohnTitor

[rust-log-analyzer]

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

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  SCCACHE_BUCKET: rust-lang-ci-sccache2
  TOOLSTATE_REPO: https://github.com/rust-lang-nursery/rust-toolstate
  CACHE_DOMAIN: ci-caches.rust-lang.org
  EXTRA_VARIABLES: {
 "CI_ONLY_WHEN_SUBMODULES_CHANGED": 1
##[endgroup]
adding extra environment variable CI_ONLY_WHEN_SUBMODULES_CHANGED
linux builder detected, using docker to run the build
##[group]Run src/ci/scripts/should-skip-this.sh
---
  IMAGE: x86_64-gnu-tools
##[endgroup]
From https://github.com/rust-lang/rust
 * branch              master     -> FETCH_HEAD
Searching for toolstate changes between b2b7c859c1aae39d26884e760201f5e6c7feeff9 and 3260b56f808445b008c64b122fe2866691b5c0eb
Executing the job since rustdoc was updated
src/ci/scripts/verify-channel.sh
shell: /bin/bash --noprofile --norc -e -o pipefail {0}
env:
  CI_JOB_NAME: x86_64-gnu-tools
---

 error: future cannot be sent between threads safely
   --> $DIR/future_not_send.rs:8:62
    |
 LL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
    |                                                              ^^^^ future returned by `private_future` is not `Send`
    |
    = note: `-D clippy::future-not-send` implied by `-D warnings`
 note: future is not `Send` as this value is used across an await
    |
    |
 LL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
    |                         -- has type `std::rc::Rc<[u8]>` which is not `Send`
 LL |     async { true }.await
    |     ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `rc` maybe used later
 LL | }
    | - `rc` is later dropped here
    = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
 note: future is not `Send` as this value is used across an await
    |
    |
 LL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
    |                                       ---- has type `&std::cell::Cell<usize>` which is not `Send`
 LL |     async { true }.await
    |     ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `cell` maybe used later
 LL | }
    | - `cell` is later dropped here
    = note: `std::cell::Cell<usize>` doesn't implement `std::marker::Sync`
 error: future cannot be sent between threads safely
   --> $DIR/future_not_send.rs:12:42
    |
    |
 LL | pub async fn public_future(rc: Rc<[u8]>) {
    |                                          ^ future returned by `public_future` is not `Send`
    |
 note: future is not `Send` as this value is used across an await
    |
    |
 LL | pub async fn public_future(rc: Rc<[u8]>) {
    |                            -- has type `std::rc::Rc<[u8]>` which is not `Send`
 LL |     async { true }.await;
    |     ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `rc` maybe used later
 LL | }
    | - `rc` is later dropped here
    = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
 error: future cannot be sent between threads safely
   --> $DIR/future_not_send.rs:20:63
    |
    |
 LL | async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
    |                                                               ^^^^ future returned by `private_future2` is not `Send`
    |
 note: captured value is not `Send`
    |
    |
 LL | async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
    |                          ^^ has type `std::rc::Rc<[u8]>` which is not `Send`
    = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
-note: captured value is not `Send`
+note: captured value is not `Send` because `&` references cannot be sent unless their referent is `Sync`
    |
    |
 LL | async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
-   |                                        ^^^^ has type `&std::cell::Cell<usize>` which is not `Send`
+   |                                        ^^^^ has type `&std::cell::Cell<usize>` which is not `Send`, because `std::cell::Cell<usize>` is not `Sync`
    = note: `std::cell::Cell<usize>` doesn't implement `std::marker::Sync`
 error: future cannot be sent between threads safely
   --> $DIR/future_not_send.rs:24:43
    |
    |
 LL | pub async fn public_future2(rc: Rc<[u8]>) {}
    |                                           ^ future returned by `public_future2` is not `Send`
    |
 note: captured value is not `Send`
    |
    |
 LL | pub async fn public_future2(rc: Rc<[u8]>) {}
    |                             ^^ has type `std::rc::Rc<[u8]>` which is not `Send`
    = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
 error: future cannot be sent between threads safely
   --> $DIR/future_not_send.rs:35:39
    |
    |
 LL |     async fn private_future(&self) -> usize {
    |                                       ^^^^^ future returned by `private_future` is not `Send`
    |
 note: future is not `Send` as this value is used across an await
    |
    |
 LL |     async fn private_future(&self) -> usize {
    |                             ----- has type `&Dummy` which is not `Send`
 LL |         async { true }.await;
    |         ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `&self` maybe used later
 LL |         self.rc.len()
 LL |     }
    |     - `&self` is later dropped here
    = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Sync`
 error: future cannot be sent between threads safely
   --> $DIR/future_not_send.rs:40:39
    |
    |
 LL |     pub async fn public_future(&self) {
    |                                       ^ future returned by `public_future` is not `Send`
    |
 note: future is not `Send` as this value is used across an await
    |
    |
 LL |     pub async fn public_future(&self) {
    |                                ----- has type `&Dummy` which is not `Send`
 LL |         self.private_future().await;
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ await occurs here, with `&self` maybe used later
 LL |     }
    |     - `&self` is later dropped here
    = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Sync`
 error: future cannot be sent between threads safely
   --> $DIR/future_not_send.rs:50:37
    |
    |
 LL | async fn generic_future<T>(t: T) -> T
    |                                     ^ future returned by `generic_future` is not `Send`
    |
 note: future is not `Send` as this value is used across an await
    |
 LL |     let rt = &t;
 LL |     let rt = &t;
    |         -- has type `&T` which is not `Send`
 LL |     async { true }.await;
    |     ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `rt` maybe used later
 LL | }
 LL | }
    | - `rt` is later dropped here
    = note: `T` doesn't implement `std::marker::Sync`
 error: future cannot be sent between threads safely
   --> $DIR/future_not_send.rs:66:34
    |
    |
 LL | async fn unclear_future<T>(t: T) {}
    |                                  ^ future returned by `unclear_future` is not `Send`
    |
 note: captured value is not `Send`
    |
    |
 LL | async fn unclear_future<T>(t: T) {}
    |                            ^ has type `T` which is not `Send`
    = note: `T` doesn't implement `std::marker::Send`
 error: aborting due to 8 previous errors
 
 


The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/test_build_base/future_not_send.stage-id.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args future_not_send.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools-bin/clippy-driver" "tests/ui/future_not_send.rs" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/test_build_base" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/test_build_base/future_not_send.stage-id" "-A" "unused" "--emit=metadata" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps" "-Dwarnings" "-Zui-testing" "--extern" "clippy_lints=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_lints-70309b46dc6386a4.rlib" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libsyn-3496925cd229d067.rlib" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libserde-eb1b439e42ed31e0.rlib" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libquote-11da7531132c7401.rlib" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libregex-a05ee8fc41b4648a.rlib" "--edition=2018" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/test_build_base/future_not_send.stage-id.aux"
------------------------------------------

------------------------------------------
stderr:
stderr:
------------------------------------------
{"message":"future cannot be sent between threads safely","code":null,"level":"error","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":171,"byte_end":175,"line_start":8,"line_end":8,"column_start":62,"column_end":66,"is_primary":true,"text":[{"text":"async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":62,"highlight_end":66}],"label":"future returned by `private_future` is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":171,"byte_end":175,"line_start":8,"line_end":8,"column_start":62,"column_end":66,"is_primary":false,"text":[{"text":"async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":62,"highlight_end":66}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[{"message":"`-D clippy::future-not-send` implied by `-D warnings`","code":null,"level":"note","spans":[],"children":[],"rendered":null},{"message":"future is not `Send` as this value is used across an await","code":null,"level":"note","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":182,"byte_end":202,"line_start":9,"line_end":9,"column_start":5,"column_end":25,"is_primary":true,"text":[{"text":"    async { true }.await","highlight_start":5,"highlight_end":25}],"label":"await occurs here, with `rc` maybe used later","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":182,"byte_end":202,"line_start":9,"line_end":9,"column_start":5,"column_end":25,"is_primary":false,"text":[{"text":"    async { true }.await","highlight_start":5,"highlight_end":25}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `await` expression","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}},{"file_name":"tests/ui/future_not_send.rs","byte_start":203,"byte_end":204,"line_start":10,"line_end":10,"column_start":1,"column_end":2,"is_primary":false,"text":[{"text":"}","highlight_start":1,"highlight_end":2}],"label":"`rc` is later dropped here","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":176,"byte_end":204,"line_start":8,"line_end":10,"column_start":67,"column_end":2,"is_primary":false,"text":[{"text":"async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":67,"highlight_end":68},{"text":"    async { true }.await","highlight_start":1,"highlight_end":25},{"text":"}","highlight_start":1,"highlight_end":2}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}},{"file_name":"tests/ui/future_not_send.rs","byte_start":134,"byte_end":136,"line_start":8,"line_end":8,"column_start":25,"column_end":27,"is_primary":false,"text":[{"text":"async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":25,"highlight_end":27}],"label":"has type `std::rc::Rc<[u8]>` which is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":null},{"message":"`std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`","code":null,"level":"note","spans":[],"children":[],"rendered":null},{"message":"future is not `Send` as this value is used across an await","code":null,"level":"note","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":182,"byte_end":202,"line_start":9,"line_end":9,"column_start":5,"column_end":25,"is_primary":true,"text":[{"text":"    async { true }.await","highlight_start":5,"highlight_end":25}],"label":"await occurs here, with `cell` maybe used later","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":182,"byte_end":202,"line_start":9,"line_end":9,"column_start":5,"column_end":25,"is_primary":false,"text":[{"text":"    async { true }.await","highlight_start":5,"highlight_end":25}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `await` expression","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}},{"file_name":"tests/ui/future_not_send.rs","byte_start":203,"byte_end":204,"line_start":10,"line_end":10,"column_start":1,"column_end":2,"is_primary":false,"text":[{"text":"}","highlight_start":1,"highlight_end":2}],"label":"`cell` is later dropped here","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":176,"byte_end":204,"line_start":8,"line_end":10,"column_start":67,"column_end":2,"is_primary":false,"text":[{"text":"async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":67,"highlight_end":68},{"text":"    async { true }.await","highlight_start":1,"highlight_end":25},{"text":"}","highlight_start":1,"highlight_end":2}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}},{"file_name":"tests/ui/future_not_send.rs","byte_start":148,"byte_end":152,"line_start":8,"line_end":8,"column_start":39,"column_end":43,"is_primary":false,"text":[{"text":"async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":39,"highlight_end":43}],"label":"has type `&std::cell::Cell<usize>` which is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":null},{"message":"`std::cell::Cell<usize>` doesn't implement `std::marker::Sync`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error: future cannot be sent between threads safely\n  --> tests/ui/future_not_send.rs:8:62\n   |\nLL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {\n   |                                                              ^^^^ future returned by `private_future` is not `Send`\n   |\n   = note: `-D clippy::future-not-send` implied by `-D warnings`\nnote: future is not `Send` as this value is used across an await\n  --> tests/ui/future_not_send.rs:9:5\n   |\nLL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {\n   |                         -- has type `std::rc::Rc<[u8]>` which is not `Send`\nLL |     async { true }.await\n   |     ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `rc` maybe used later\nLL | }\n   | - `rc` is later dropped here\n   = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`\nnote: future is not `Send` as this value is used across an await\n  --> tests/ui/future_not_send.rs:9:5\n   |\nLL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {\n   |                                       ---- has type `&std::cell::Cell<usize>` which is not `Send`\nLL |     async { true }.await\n   |     ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `cell` maybe used later\nLL | }\n   | - `cell` is later dropped here\n   = note: `std::cell::Cell<usize>` doesn't implement `std::marker::Sync`\n\n"}
{"message":"future cannot be sent between threads safely","code":null,"level":"error","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":247,"byte_end":247,"line_start":12,"line_end":12,"column_start":42,"column_end":42,"is_primary":true,"text":[{"text":"pub async fn public_future(rc: Rc<[u8]>) {","highlight_start":42,"highlight_end":42}],"label":"future returned by `public_future` is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":247,"byte_end":247,"line_start":12,"line_end":12,"column_start":42,"column_end":42,"is_primary":false,"text":[{"text":"pub async fn public_future(rc: Rc<[u8]>) {","highlight_start":42,"highlight_end":42}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[{"message":"future is not `Send` as this value is used across an await","code":null,"level":"note","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":253,"byte_end":273,"line_start":13,"line_end":13,"column_start":5,"column_end":25,"is_primary":true,"text":[{"text":"    async { true }.await;","highlight_start":5,"highlight_end":25}],"label":"await occurs here, with `rc` maybe used later","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":253,"byte_end":273,"line_start":13,"line_end":13,"column_start":5,"column_end":25,"is_primary":false,"text":[{"text":"    async { true }.await;","highlight_start":5,"highlight_end":25}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `await` expression","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}},{"file_name":"tests/ui/future_not_send.rs","byte_start":275,"byte_end":276,"line_start":14,"line_end":14,"column_start":1,"column_end":2,"is_primary":false,"text":[{"text":"}","highlight_start":1,"highlight_end":2}],"label":"`rc` is later dropped here","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":247,"byte_end":276,"line_start":12,"line_end":14,"column_start":42,"column_end":2,"is_primary":false,"text":[{"text":"pub async fn public_future(rc: Rc<[u8]>) {","highlight_start":42,"highlight_end":43},{"text":"    async { true }.await;","highlight_start":1,"highlight_end":26},{"text":"}","highlight_start":1,"highlight_end":2}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}},{"file_name":"tests/ui/future_not_send.rs","byte_start":233,"byte_end":235,"line_start":12,"line_end":12,"column_start":28,"column_end":30,"is_primary":false,"text":[{"text":"pub async fn public_future(rc: Rc<[u8]>) {","highlight_start":28,"highlight_end":30}],"label":"has type `std::rc::Rc<[u8]>` which is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":null},{"message":"`std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error: future cannot be sent between threads safely\n  --> tests/ui/future_not_send.rs:12:42\n   |\nLL | pub async fn public_future(rc: Rc<[u8]>) {\n   |                                          ^ future returned by `public_future` is not `Send`\n   |\nnote: future is not `Send` as this value is used across an await\n  --> tests/ui/future_not_send.rs:13:5\n   |\nLL | pub async fn public_future(rc: Rc<[u8]>) {\n   |                            -- has type `std::rc::Rc<[u8]>` which is not `Send`\nLL |     async { true }.await;\n   |     ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `rc` maybe used later\nLL | }\n   | - `rc` is later dropped here\n   = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`\n\n"}
{"message":"future cannot be sent between threads safely","code":null,"level":"error","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":420,"byte_end":424,"line_start":20,"line_end":20,"column_start":63,"column_end":67,"is_primary":true,"text":[{"text":"async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":63,"highlight_end":67}],"label":"future returned by `private_future2` is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":420,"byte_end":424,"line_start":20,"line_end":20,"column_start":63,"column_end":67,"is_primary":false,"text":[{"text":"async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":63,"highlight_end":67}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[{"message":"captured value is not `Send`","code":null,"level":"note","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":383,"byte_end":385,"line_start":20,"line_end":20,"column_start":26,"column_end":28,"is_primary":true,"text":[{"text":"async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":26,"highlight_end":28}],"label":"has type `std::rc::Rc<[u8]>` which is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":383,"byte_end":385,"line_start":20,"line_end":20,"column_start":26,"column_end":28,"is_primary":false,"text":[{"text":"async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":26,"highlight_end":28}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[],"rendered":null},{"message":"`std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`","code":null,"level":"note","spans":[],"children":[],"rendered":null},{"message":"captured value is not `Send` because `&` references cannot be sent unless their referent is `Sync`","code":null,"level":"note","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":397,"byte_end":401,"line_start":20,"line_end":20,"column_start":40,"column_end":44,"is_primary":true,"text":[{"text":"async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":40,"highlight_end":44}],"label":"has type `&std::cell::Cell<usize>` which is not `Send`, because `std::cell::Cell<usize>` is not `Sync`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":397,"byte_end":401,"line_start":20,"line_end":20,"column_start":40,"column_end":44,"is_primary":false,"text":[{"text":"async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {","highlight_start":40,"highlight_end":44}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[],"rendered":null},{"message":"`std::cell::Cell<usize>` doesn't implement `std::marker::Sync`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error: future cannot be sent between threads safely\n  --> tests/ui/future_not_send.rs:20:63\n   |\nLL | async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {\n   |                                                               ^^^^ future returned by `private_future2` is not `Send`\n   |\nnote: captured value is not `Send`\n  --> tests/ui/future_not_send.rs:20:26\n   |\nLL | async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {\n   |                          ^^ has type `std::rc::Rc<[u8]>` which is not `Send`\n   = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`\nnote: captured value is not `Send` because `&` references cannot be sent unless their referent is `Sync`\n  --> tests/ui/future_not_send.rs:20:40\n   |\nLL | async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {\n   |                                        ^^^^ has type `&std::cell::Cell<usize>` which is not `Send`, because `std::cell::Cell<usize>` is not `Sync`\n   = note: `std::cell::Cell<usize>` doesn't implement `std::marker::Sync`\n\n"}
{"message":"future cannot be sent between threads safely","code":null,"level":"error","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":481,"byte_end":481,"line_start":24,"line_end":24,"column_start":43,"column_end":43,"is_primary":true,"text":[{"text":"pub async fn public_future2(rc: Rc<[u8]>) {}","highlight_start":43,"highlight_end":43}],"label":"future returned by `public_future2` is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":481,"byte_end":481,"line_start":24,"line_end":24,"column_start":43,"column_end":43,"is_primary":false,"text":[{"text":"pub async fn public_future2(rc: Rc<[u8]>) {}","highlight_start":43,"highlight_end":43}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[{"message":"captured value is not `Send`","code":null,"level":"note","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":467,"byte_end":469,"line_start":24,"line_end":24,"column_start":29,"column_end":31,"is_primary":true,"text":[{"text":"pub async fn public_future2(rc: Rc<[u8]>) {}","highlight_start":29,"highlight_end":31}],"label":"has type `std::rc::Rc<[u8]>` which is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":467,"byte_end":469,"line_start":24,"line_end":24,"column_start":29,"column_end":31,"is_primary":false,"text":[{"text":"pub async fn public_future2(rc: Rc<[u8]>) {}","highlight_start":29,"highlight_end":31}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[],"rendered":null},{"message":"`std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error: future cannot be sent between threads safely\n  --> tests/ui/future_not_send.rs:24:43\n   |\nLL | pub async fn public_future2(rc: Rc<[u8]>) {}\n   |                                           ^ future returned by `public_future2` is not `Send`\n   |\nnote: captured value is not `Send`\n  --> tests/ui/future_not_send.rs:24:29\n   |\nLL | pub async fn public_future2(rc: Rc<[u8]>) {}\n   |                             ^^ has type `std::rc::Rc<[u8]>` which is not `Send`\n   = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`\n\n"}
{"message":"future cannot be sent between threads safely","code":null,"level":"error","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":637,"byte_end":642,"line_start":35,"line_end":35,"column_start":39,"column_end":44,"is_primary":true,"text":[{"text":"    async fn private_future(&self) -> usize {","highlight_start":39,"highlight_end":44}],"label":"future returned by `private_future` is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":637,"byte_end":642,"line_start":35,"line_end":35,"column_start":39,"column_end":44,"is_primary":false,"text":[{"text":"    async fn private_future(&self) -> usize {","highlight_start":39,"highlight_end":44}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[{"message":"future is not `Send` as this value is used across an await","code":null,"level":"note","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":653,"byte_end":673,"line_start":36,"line_end":36,"column_start":9,"column_end":29,"is_primary":true,"text":[{"text":"        async { true }.await;","highlight_start":9,"highlight_end":29}],"label":"await occurs here, with `&self` maybe used later","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":653,"byte_end":673,"line_start":36,"line_end":36,"column_start":9,"column_end":29,"is_primary":false,"text":[{"text":"        async { true }.await;","highlight_start":9,"highlight_end":29}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `await` expression","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}},{"file_name":"tests/ui/future_not_send.rs","byte_start":701,"byte_end":702,"line_start":38,"line_end":38,"column_start":5,"column_end":6,"is_primary":false,"text":[{"text":"    }","highlight_start":5,"highlight_end":6}],"label":"`&self` is later dropped here","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":643,"byte_end":702,"line_start":35,"line_end":38,"column_start":45,"column_end":6,"is_primary":false,"text":[{"text":"    async fn private_future(&self) -> usize {","highlight_start":45,"highlight_end":46},{"text":"        async { true }.await;","highlight_start":1,"highlight_end":30},{"text":"        self.rc.len()","highlight_start":1,"highlight_end":22},{"text":"    }","highlight_start":1,"highlight_end":6}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}},{"file_name":"tests/ui/future_not_send.rs","byte_start":627,"byte_end":632,"line_start":35,"line_end":35,"column_start":29,"column_end":34,"is_primary":false,"text":[{"text":"    async fn private_future(&self) -> usize {","highlight_start":29,"highlight_end":34}],"label":"has type `&Dummy` which is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":null},{"message":"`std::rc::Rc<[u8]>` doesn't implement `std::marker::Sync`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error: future cannot be sent between threads safely\n  --> tests/ui/future_not_send.rs:35:39\n   |\nLL |     async fn private_future(&self) -> usize {\n   |                                       ^^^^^ future returned by `private_future` is not `Send`\n   |\nnote: future is not `Send` as this value is used across an await\n  --> tests/ui/future_not_send.rs:36:9\n   |\nLL |     async fn private_future(&self) -> usize {\n   |                             ----- has type `&Dummy` which is not `Send`\nLL |         async { true }.await;\n   |         ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `&self` maybe used later\nLL |         self.rc.len()\nLL |     }\n   |     - `&self` is later dropped here\n   = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Sync`\n\n"}
{"message":"future cannot be sent between threads safely","code":null,"level":"error","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":742,"byte_end":742,"line_start":40,"line_end":40,"column_start":39,"column_end":39,"is_primary":true,"text":[{"text":"    pub async fn public_future(&self) {","highlight_start":39,"highlight_end":39}],"label":"future returned by `public_future` is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":742,"byte_end":742,"line_start":40,"line_end":40,"column_start":39,"column_end":39,"is_primary":false,"text":[{"text":"    pub async fn public_future(&self) {","highlight_start":39,"highlight_end":39}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[{"message":"future is not `Send` as this value is used across an await","code":null,"level":"note","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":752,"byte_end":779,"line_start":41,"line_end":41,"column_start":9,"column_end":36,"is_primary":true,"text":[{"text":"        self.private_future().await;","highlight_start":9,"highlight_end":36}],"label":"await occurs here, with `&self` maybe used later","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":752,"byte_end":779,"line_start":41,"line_end":41,"column_start":9,"column_end":36,"is_primary":false,"text":[{"text":"        self.private_future().await;","highlight_start":9,"highlight_end":36}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `await` expression","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}},{"file_name":"tests/ui/future_not_send.rs","byte_start":785,"byte_end":786,"line_start":42,"line_end":42,"column_start":5,"column_end":6,"is_primary":false,"text":[{"text":"    }","highlight_start":5,"highlight_end":6}],"label":"`&self` is later dropped here","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":742,"byte_end":786,"line_start":40,"line_end":42,"column_start":39,"column_end":6,"is_primary":false,"text":[{"text":"    pub async fn public_future(&self) {","highlight_start":39,"highlight_end":40},{"text":"        self.private_future().await;","highlight_start":1,"highlight_end":37},{"text":"    }","highlight_start":1,"highlight_end":6}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}},{"file_name":"tests/ui/future_not_send.rs","byte_start":735,"byte_end":740,"line_start":40,"line_end":40,"column_start":32,"column_end":37,"is_primary":false,"text":[{"text":"    pub async fn public_future(&self) {","highlight_start":32,"highlight_end":37}],"label":"has type `&Dummy` which is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":null},{"message":"`std::rc::Rc<[u8]>` doesn't implement `std::marker::Sync`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error: future cannot be sent between threads safely\n  --> tests/ui/future_not_send.rs:40:39\n   |\nLL |     pub async fn public_future(&self) {\n   |                                       ^ future returned by `public_future` is not `Send`\n   |\nnote: future is not `Send` as this value is used across an await\n  --> tests/ui/future_not_send.rs:41:9\n   |\nLL |     pub async fn public_future(&self) {\n   |                                ----- has type `&Dummy` which is not `Send`\nLL |         self.private_future().await;\n   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ await occurs here, with `&self` maybe used later\nLL |     }\n   |     - `&self` is later dropped here\n   = note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Sync`\n\n"}
{"message":"future cannot be sent between threads safely","code":null,"level":"error","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":970,"byte_end":971,"line_start":50,"line_end":50,"column_start":37,"column_end":38,"is_primary":true,"text":[{"text":"async fn generic_future<T>(t: T) -> T","highlight_start":37,"highlight_end":38}],"label":"future returned by `generic_future` is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":970,"byte_end":971,"line_start":50,"line_end":50,"column_start":37,"column_end":38,"is_primary":false,"text":[{"text":"async fn generic_future<T>(t: T) -> T","highlight_start":37,"highlight_end":38}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[{"message":"future is not `Send` as this value is used across an await","code":null,"level":"note","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":1014,"byte_end":1034,"line_start":55,"line_end":55,"column_start":5,"column_end":25,"is_primary":true,"text":[{"text":"    async { true }.await;","highlight_start":5,"highlight_end":25}],"label":"await occurs here, with `rt` maybe used later","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":1014,"byte_end":1034,"line_start":55,"line_end":55,"column_start":5,"column_end":25,"is_primary":false,"text":[{"text":"    async { true }.await;","highlight_start":5,"highlight_end":25}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `await` expression","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}},{"file_name":"tests/ui/future_not_send.rs","byte_start":1042,"byte_end":1043,"line_start":57,"line_end":57,"column_start":1,"column_end":2,"is_primary":false,"text":[{"text":"}","highlight_start":1,"highlight_end":2}],"label":"`rt` is later dropped here","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"tests/ui/future_not_send.rs","byte_start":1001,"byte_end":1003,"line_start":54,"line_end":54,"column_start":9,"column_end":11,"is_primary":false,"text":[{"text":"    let rt = &t;","highlight_start":9,"highlight_end":11}],"label":"has type `&T` which is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":null},{"message":"`T` doesn't implement `std::marker::Sync`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error: future cannot be sent between threads safely\n  --> tests/ui/future_not_send.rs:50:37\n   |\nLL | async fn generic_future<T>(t: T) -> T\n   |                                     ^ future returned by `generic_future` is not `Send`\n   |\nnote: future is not `Send` as this value is used across an await\n  --> tests/ui/future_not_send.rs:55:5\n   |\nLL |     let rt = &t;\n   |         -- has type `&T` which is not `Send`\nLL |     async { true }.await;\n   |     ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `rt` maybe used later\nLL |     t\nLL | }\n   | - `rt` is later dropped here\n   = note: `T` doesn't implement `std::marker::Sync`\n\n"}
{"message":"future cannot be sent between threads safely","code":null,"level":"error","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":1166,"byte_end":1166,"line_start":66,"line_end":66,"column_start":34,"column_end":34,"is_primary":true,"text":[{"text":"async fn unclear_future<T>(t: T) {}","highlight_start":34,"highlight_end":34}],"label":"future returned by `unclear_future` is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":1166,"byte_end":1166,"line_start":66,"line_end":66,"column_start":34,"column_end":34,"is_primary":false,"text":[{"text":"async fn unclear_future<T>(t: T) {}","highlight_start":34,"highlight_end":34}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[{"message":"captured value is not `Send`","code":null,"level":"note","spans":[{"file_name":"tests/ui/future_not_send.rs","byte_start":1160,"byte_end":1161,"line_start":66,"line_end":66,"column_start":28,"column_end":29,"is_primary":true,"text":[{"text":"async fn unclear_future<T>(t: T) {}","highlight_start":28,"highlight_end":29}],"label":"has type `T` which is not `Send`","suggested_replacement":null,"suggestion_applicability":null,"expansion":{"span":{"file_name":"tests/ui/future_not_send.rs","byte_start":1160,"byte_end":1161,"line_start":66,"line_end":66,"column_start":28,"column_end":29,"is_primary":false,"text":[{"text":"async fn unclear_future<T>(t: T) {}","highlight_start":28,"highlight_end":29}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},"macro_decl_name":"desugaring of `async` block or function","def_site_span":{"file_name":"tests/ui/future_not_send.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":false,"text":[],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}}}],"children":[],"rendered":null},{"message":"`T` doesn't implement `std::marker::Send`","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error: future cannot be sent between threads safely\n  --> tests/ui/future_not_send.rs:66:34\n   |\nLL | async fn unclear_future<T>(t: T) {}\n   |                                  ^ future returned by `unclear_future` is not `Send`\n   |\nnote: captured value is not `Send`\n  --> tests/ui/future_not_send.rs:66:28\n   |\nLL | async fn unclear_future<T>(t: T) {}\n   |                            ^ has type `T` which is not `Send`\n   = note: `T` doesn't implement `std::marker::Send`\n\n"}

------------------------------------------

thread 'compile_test' panicked at 'Some tests failed', /cargo/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.6.0/src/lib.rs:105:22

[JohnTitor]

@bors r-