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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a0df7b6a04f99e1da4e441119c9a5d7a460143f [INFO] checking compiler-errors/pr-92449 against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcompiler-errors%2Fpr-92449" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. 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[INFO] [stderr] Downloaded futures v0.3.19 [INFO] [stderr] Downloaded futures-task v0.3.19 [INFO] [stderr] Downloaded futures-macro v0.3.19 [INFO] [stderr] Downloaded futures-core v0.3.19 [INFO] [stderr] Downloaded futures-io v0.3.19 [INFO] [stderr] Downloaded futures-sink v0.3.19 [INFO] [stderr] Downloaded futures-executor v0.3.19 [INFO] [stderr] Downloaded futures-channel v0.3.19 [INFO] [stderr] Downloaded pin-project-lite v0.2.8 [INFO] [stderr] Downloaded futures-util v0.3.19 [INFO] [stderr] Downloaded syn v1.0.85 [INFO] [stderr] Downloaded tokio v1.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f8dcfed4f0fd4b29259f050c5a7ca4acc350a2e672eeaa8f10244eb06b019ba5 [INFO] running `Command { std: "docker" "start" "-a" "f8dcfed4f0fd4b29259f050c5a7ca4acc350a2e672eeaa8f10244eb06b019ba5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8dcfed4f0fd4b29259f050c5a7ca4acc350a2e672eeaa8f10244eb06b019ba5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8dcfed4f0fd4b29259f050c5a7ca4acc350a2e672eeaa8f10244eb06b019ba5", kill_on_drop: false }` [INFO] [stdout] f8dcfed4f0fd4b29259f050c5a7ca4acc350a2e672eeaa8f10244eb06b019ba5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c474ee303f2faceccc757430ba47419a4b83f7ac8ea9a084b36117a05c8de9a [INFO] running `Command { std: "docker" "start" "-a" "6c474ee303f2faceccc757430ba47419a4b83f7ac8ea9a084b36117a05c8de9a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [INFO] [stderr] Checking pr-92449 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable [INFO] [stdout] --> src/issue_92096.rs:31:7 [INFO] [stdout] | [INFO] [stdout] 31 | = impl Future + Send; // removing +Send here & in the trait will compile [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-04-03; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: where clause not allowed here [INFO] [stdout] --> src/issue_92096.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / where [INFO] [stdout] 30 | | T: 'a, [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #89122 for more information [INFO] [stdout] = note: `#[warn(deprecated_where_clause_location)]` on by default [INFO] [stdout] help: move it to the end of the type declaration [INFO] [stdout] | [INFO] [stdout] 28 ~ type Connecting<'a> [INFO] [stdout] 29 ~ = impl Future + Send where T: 'a; // removing +Send here & in the trait will compile [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(nll)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable [INFO] [stdout] --> src/issue_92096.rs:31:7 [INFO] [stdout] | [INFO] [stdout] 31 | = impl Future + Send; // removing +Send here & in the trait will compile [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-04-03; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: where clause not allowed here [INFO] [stdout] --> src/issue_92096.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / where [INFO] [stdout] 30 | | T: 'a, [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #89122 for more information [INFO] [stdout] = note: `#[warn(deprecated_where_clause_location)]` on by default [INFO] [stdout] help: move it to the end of the type declaration [INFO] [stdout] | [INFO] [stdout] 28 ~ type Connecting<'a> [INFO] [stdout] 29 ~ = impl Future + Send where T: 'a; // removing +Send here & in the trait will compile [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(nll)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/issue_79648.rs:78:25 [INFO] [stdout] | [INFO] [stdout] 17 | .filter_map(|r| async { r.ok() }) [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | the expected `async` block [INFO] [stdout] | the found `async` block [INFO] [stdout] ... [INFO] [stdout] 78 | let foobar_runner = tokio::spawn(async move { [INFO] [stdout] | _________________________^ [INFO] [stdout] 79 | | foobar.run().await; [INFO] [stdout] 80 | | }) [INFO] [stdout] | |______^ one type is more general than the other [INFO] [stdout] | [INFO] [stdout] = note: expected `async` block `{async block@src/issue_79648.rs:17:29: 17:34}` [INFO] [stdout] found `async` block `{async block@src/issue_79648.rs:17:29: 17:34}` [INFO] [stdout] = note: no two async blocks, even if identical, have the same type [INFO] [stdout] = help: consider pinning your async block and casting it to a trait object [INFO] [stdout] note: the lifetime requirement is introduced here [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.15.0/src/task/spawn.rs:127:21 [INFO] [stdout] | [INFO] [stdout] 127 | T: Future + Send + 'static, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/issue_79648.rs:78:25 [INFO] [stdout] | [INFO] [stdout] 18 | .filter_map(|m| async move { Some(Foo::new(m)) }) [INFO] [stdout] | ---------- [INFO] [stdout] | | [INFO] [stdout] | the expected `async` block [INFO] [stdout] | the found `async` block [INFO] [stdout] ... [INFO] [stdout] 78 | let foobar_runner = tokio::spawn(async move { [INFO] [stdout] | _________________________^ [INFO] [stdout] 79 | | foobar.run().await; [INFO] [stdout] 80 | | }) [INFO] [stdout] | |______^ one type is more general than the other [INFO] [stdout] | [INFO] [stdout] = note: expected `async` block `{async block@src/issue_79648.rs:18:29: 18:39}` [INFO] [stdout] found `async` block `{async block@src/issue_79648.rs:18:29: 18:39}` [INFO] [stdout] = note: no two async blocks, even if identical, have the same type [INFO] [stdout] = help: consider pinning your async block and casting it to a trait object [INFO] [stdout] note: the lifetime requirement is introduced here [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.15.0/src/task/spawn.rs:127:21 [INFO] [stdout] | [INFO] [stdout] 127 | T: Future + Send + 'static, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/issue_60658.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 11 | impl<'a, T> Foo<'a> for MyType [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] ... [INFO] [stdout] 19 | Box::pin(async move { T::foo().await }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ coercion requires that `'a` must outlive `'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: implementation of `std::marker::Send` is not general enough [INFO] [stdout] --> src/issue_60658.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | Box::pin(async move { T::foo().await }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `std::marker::Send` is not general enough [INFO] [stdout] | [INFO] [stdout] = note: `std::marker::Send` would have to be implemented for the type `>::Future`, for any lifetime `'0`... [INFO] [stdout] = note: ...but `std::marker::Send` is actually implemented for the type `>::Future`, for some specific lifetime `'1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: implementation of `FnOnce` is not general enough [INFO] [stdout] --> src/issue_71723.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let _ = is_send(make_future_2()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough [INFO] [stdout] | [INFO] [stdout] = note: closure with signature `fn(Pin + std::marker::Send + '0)>>) -> futures::stream::Empty<()>` must implement `FnOnce<(Pin + std::marker::Send + '1)>>,)>`, for any two lifetimes `'0` and `'1`... [INFO] [stdout] = note: ...but it actually implements `FnOnce<(Pin + std::marker::Send>>,)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `foobar_runner` [INFO] [stdout] --> src/issue_79648.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let foobar_runner = tokio::spawn(async move { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_foobar_runner` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/issue_82921.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | Box::new(async { new(|| async { f().await }).await }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other [INFO] [stdout] | [INFO] [stdout] = note: expected `async` block `{async block@src/issue_82921.rs:12:29: 12:34}` [INFO] [stdout] found `async` block `{async block@src/issue_82921.rs:12:29: 12:34}` [INFO] [stdout] = note: no two async blocks, even if identical, have the same type [INFO] [stdout] = help: consider pinning your async block and casting it to a trait object [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/issue_90696.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Box::new(async { new(|| async { f().await }).await }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other [INFO] [stdout] | [INFO] [stdout] = note: expected `async` block `{async block@src/issue_90696.rs:9:29: 9:34}` [INFO] [stdout] found `async` block `{async block@src/issue_90696.rs:9:29: 9:34}` [INFO] [stdout] = note: no two async blocks, even if identical, have the same type [INFO] [stdout] = help: consider pinning your async block and casting it to a trait object [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/issue_79648.rs:78:25 [INFO] [stdout] | [INFO] [stdout] 17 | .filter_map(|r| async { r.ok() }) [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | the expected `async` block [INFO] [stdout] | the found `async` block [INFO] [stdout] ... [INFO] [stdout] 78 | let foobar_runner = tokio::spawn(async move { [INFO] [stdout] | _________________________^ [INFO] [stdout] 79 | | foobar.run().await; [INFO] [stdout] 80 | | }) [INFO] [stdout] | |______^ one type is more general than the other [INFO] [stdout] | [INFO] [stdout] = note: expected `async` block `{async block@src/issue_79648.rs:17:29: 17:34}` [INFO] [stdout] found `async` block `{async block@src/issue_79648.rs:17:29: 17:34}` [INFO] [stdout] = note: no two async blocks, even if identical, have the same type [INFO] [stdout] = help: consider pinning your async block and casting it to a trait object [INFO] [stdout] note: the lifetime requirement is introduced here [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.15.0/src/task/spawn.rs:127:21 [INFO] [stdout] | [INFO] [stdout] 127 | T: Future + Send + 'static, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/issue_79648.rs:78:25 [INFO] [stdout] | [INFO] [stdout] 18 | .filter_map(|m| async move { Some(Foo::new(m)) }) [INFO] [stdout] | ---------- [INFO] [stdout] | | [INFO] [stdout] | the expected `async` block [INFO] [stdout] | the found `async` block [INFO] [stdout] ... [INFO] [stdout] 78 | let foobar_runner = tokio::spawn(async move { [INFO] [stdout] | _________________________^ [INFO] [stdout] 79 | | foobar.run().await; [INFO] [stdout] 80 | | }) [INFO] [stdout] | |______^ one type is more general than the other [INFO] [stdout] | [INFO] [stdout] = note: expected `async` block `{async block@src/issue_79648.rs:18:29: 18:39}` [INFO] [stdout] found `async` block `{async block@src/issue_79648.rs:18:29: 18:39}` [INFO] [stdout] = note: no two async blocks, even if identical, have the same type [INFO] [stdout] = help: consider pinning your async block and casting it to a trait object [INFO] [stdout] note: the lifetime requirement is introduced here [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.15.0/src/task/spawn.rs:127:21 [INFO] [stdout] | [INFO] [stdout] 127 | T: Future + Send + 'static, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pr-92449` (bin "pr-92449") due to 8 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/issue_60658.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 11 | impl<'a, T> Foo<'a> for MyType [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] ... [INFO] [stdout] 19 | Box::pin(async move { T::foo().await }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ coercion requires that `'a` must outlive `'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: implementation of `std::marker::Send` is not general enough [INFO] [stdout] --> src/issue_60658.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | Box::pin(async move { T::foo().await }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `std::marker::Send` is not general enough [INFO] [stdout] | [INFO] [stdout] = note: `std::marker::Send` would have to be implemented for the type `>::Future`, for any lifetime `'0`... [INFO] [stdout] = note: ...but `std::marker::Send` is actually implemented for the type `>::Future`, for some specific lifetime `'1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: implementation of `FnOnce` is not general enough [INFO] [stdout] --> src/issue_71723.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let _ = is_send(make_future_2()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough [INFO] [stdout] | [INFO] [stdout] = note: closure with signature `fn(Pin + std::marker::Send + '0)>>) -> futures::stream::Empty<()>` must implement `FnOnce<(Pin + std::marker::Send + '1)>>,)>`, for any two lifetimes `'0` and `'1`... [INFO] [stdout] = note: ...but it actually implements `FnOnce<(Pin + std::marker::Send>>,)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `foobar_runner` [INFO] [stdout] --> src/issue_79648.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let foobar_runner = tokio::spawn(async move { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_foobar_runner` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/issue_82921.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | Box::new(async { new(|| async { f().await }).await }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other [INFO] [stdout] | [INFO] [stdout] = note: expected `async` block `{async block@src/issue_82921.rs:12:29: 12:34}` [INFO] [stdout] found `async` block `{async block@src/issue_82921.rs:12:29: 12:34}` [INFO] [stdout] = note: no two async blocks, even if identical, have the same type [INFO] [stdout] = help: consider pinning your async block and casting it to a trait object [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/issue_90696.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Box::new(async { new(|| async { f().await }).await }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other [INFO] [stdout] | [INFO] [stdout] = note: expected `async` block `{async block@src/issue_90696.rs:9:29: 9:34}` [INFO] [stdout] found `async` block `{async block@src/issue_90696.rs:9:29: 9:34}` [INFO] [stdout] = note: no two async blocks, even if identical, have the same type [INFO] [stdout] = help: consider pinning your async block and casting it to a trait object [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pr-92449` (bin "pr-92449" test) due to 8 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6c474ee303f2faceccc757430ba47419a4b83f7ac8ea9a084b36117a05c8de9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c474ee303f2faceccc757430ba47419a4b83f7ac8ea9a084b36117a05c8de9a", kill_on_drop: false }` [INFO] [stdout] 6c474ee303f2faceccc757430ba47419a4b83f7ac8ea9a084b36117a05c8de9a