[INFO] cloning repository https://github.com/jihiggins/lending-stream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jihiggins/lending-stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjihiggins%2Flending-stream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjihiggins%2Flending-stream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 564b516fff03b50f5bbb1f49490833d82437e1ac
[INFO] checking jihiggins/lending-stream against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-21
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjihiggins%2Flending-stream" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jihiggins/lending-stream
[INFO] finished tweaking git repo https://github.com/jihiggins/lending-stream
[INFO] tweaked toml for git repo https://github.com/jihiggins/lending-stream written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jihiggins/lending-stream on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jihiggins/lending-stream already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-task v0.3.28
[INFO] [stderr]   Downloaded proc-macro2 v1.0.66
[INFO] [stderr]   Downloaded futures-macro v0.3.28
[INFO] [stderr]   Downloaded futures-io v0.3.28
[INFO] [stderr]   Downloaded futures v0.3.28
[INFO] [stderr]   Downloaded futures-core v0.3.28
[INFO] [stderr]   Downloaded futures-executor v0.3.28
[INFO] [stderr]   Downloaded futures-channel v0.3.28
[INFO] [stderr]   Downloaded quote v1.0.32
[INFO] [stderr]   Downloaded futures-sink v0.3.28
[INFO] [stderr]   Downloaded futures-util v0.3.28
[INFO] [stderr]   Downloaded syn v2.0.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1499bb6bc0154a863ecfe073e258b6559fcb4718a5ef59f302a30a37c76030b4
[INFO] running `Command { std: "docker" "start" "-a" "1499bb6bc0154a863ecfe073e258b6559fcb4718a5ef59f302a30a37c76030b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1499bb6bc0154a863ecfe073e258b6559fcb4718a5ef59f302a30a37c76030b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1499bb6bc0154a863ecfe073e258b6559fcb4718a5ef59f302a30a37c76030b4", kill_on_drop: false }`
[INFO] [stdout] 1499bb6bc0154a863ecfe073e258b6559fcb4718a5ef59f302a30a37c76030b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3da997b850440675ffbfb034e3f1522134d34949058696751b5bc207fe2a44b
[INFO] running `Command { std: "docker" "start" "-a" "e3da997b850440675ffbfb034e3f1522134d34949058696751b5bc207fe2a44b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking lending-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/lending_stream_ext.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 |     async fn try_next<'a, T, E>(&'a mut self) -> Result<Option<T>, E>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout]  9 ~     fn try_next<'a, T, E>(&'a mut self) -> impl std::future::Future<Output = Result<Option<T>, E>> + Send
[INFO] [stdout] 10 |     where
[INFO] [stdout] 11 |         Self: LendingStream<Item<'a> = Result<T, E>> + Unpin,
[INFO] [stdout] 12 |         Self: 'a,
[INFO] [stdout] 13 ~     {async {
[INFO] [stdout] 14 |         self.next().await.transpose()
[INFO] [stdout] 15 ~     } }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/lending_stream_ext.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     async fn count(mut self) -> usize
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 17 ~     fn count(mut self) -> impl std::future::Future<Output = usize> + Send
[INFO] [stdout] 18 |     where
[INFO] [stdout] 19 |         Self: Sized + Unpin,
[INFO] [stdout] 20 ~     {async {
[INFO] [stdout] 21 |         let mut count = 0;
[INFO] [stdout] ...
[INFO] [stdout] 25 |         count
[INFO] [stdout] 26 ~     } }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     async fn collect<C>(mut self) -> C
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 168 ~     fn collect<C>(mut self) -> impl std::future::Future<Output = C> + Send
[INFO] [stdout] 169 |     where
[INFO] [stdout] 170 |         Self: Sized + Unpin,
[INFO] [stdout] 171 |         for<'a> C: Default + Extend<Self::Item<'a>>,
[INFO] [stdout] 172 ~     {async {
[INFO] [stdout] 173 |         let mut items: C = Default::default();
[INFO] [stdout] ...
[INFO] [stdout] 177 |         items
[INFO] [stdout] 178 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 180 |     async fn try_collect<C, T, E>(mut self) -> Result<C, E>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 180 ~     fn try_collect<C, T, E>(mut self) -> impl std::future::Future<Output = Result<C, E>> + Send
[INFO] [stdout] 181 |     where
[INFO] [stdout] 182 |         for<'a> Self: LendingStream<Item<'a> = Result<T, E>> + Sized + Unpin + 'a,
[INFO] [stdout] 183 |         C: Default + Extend<T>,
[INFO] [stdout] 184 ~     {async {
[INFO] [stdout] 185 |         let mut items: C = Default::default();
[INFO] [stdout] ...
[INFO] [stdout] 192 |         }
[INFO] [stdout] 193 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     async fn partition<B, P>(mut self, mut predicate: P) -> (B, B)
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 195 ~     fn partition<B, P>(mut self, mut predicate: P) -> impl std::future::Future<Output = (B, B)> + Send
[INFO] [stdout] 196 |     where
[INFO] [stdout] ...
[INFO] [stdout] 199 |         for<'a> P: FnMut(&Self::Item<'a>) -> bool,
[INFO] [stdout] 200 ~     {async {
[INFO] [stdout] 201 |         let mut left: B = Default::default();
[INFO] [stdout] ...
[INFO] [stdout] 210 |         (left, right)
[INFO] [stdout] 211 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 |     async fn fold<T, F>(mut self, init: T, mut f: F) -> T
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 213 ~     fn fold<T, F>(mut self, init: T, mut f: F) -> impl std::future::Future<Output = T> + Send
[INFO] [stdout] 214 |     where
[INFO] [stdout] 215 |         Self: Sized + Unpin,
[INFO] [stdout] 216 |         for<'a> F: FnMut(T, Self::Item<'a>) -> T,
[INFO] [stdout] 217 ~     {async {
[INFO] [stdout] 218 |         let mut accum = init;
[INFO] [stdout] ...
[INFO] [stdout] 222 |         accum
[INFO] [stdout] 223 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     async fn try_fold<T, E, F, B>(&mut self, init: B, mut f: F) -> Result<B, E>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 225 ~     fn try_fold<T, E, F, B>(&mut self, init: B, mut f: F) -> impl std::future::Future<Output = Result<B, E>> + Send
[INFO] [stdout] 226 |     where
[INFO] [stdout] 227 |         for<'a> Self: LendingStream<Item<'a> = Result<T, E>> + Sized + Unpin + 'a,
[INFO] [stdout] 228 |         F: FnMut(B, T) -> Result<B, E>,
[INFO] [stdout] 229 ~     {async {
[INFO] [stdout] 230 |         let mut accum = init;
[INFO] [stdout] ...
[INFO] [stdout] 234 |         Ok(accum)
[INFO] [stdout] 235 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 283 |     async fn nth<T>(&mut self, mut n: usize) -> Option<T>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 283 ~     fn nth<T>(&mut self, mut n: usize) -> impl std::future::Future<Output = Option<T>> + Send
[INFO] [stdout] 284 |     where
[INFO] [stdout] 285 |         for<'a> Self: LendingStream<Item<'a> = T> + Sized + Unpin + 'a,
[INFO] [stdout] 286 ~     {async {
[INFO] [stdout] 287 |         loop {
[INFO] [stdout] ...
[INFO] [stdout] 298 |         }
[INFO] [stdout] 299 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:301:5
[INFO] [stdout]     |
[INFO] [stdout] 301 |     async fn last<T>(mut self) -> Option<T>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 301 ~     fn last<T>(mut self) -> impl std::future::Future<Output = Option<T>> + Send
[INFO] [stdout] 302 |     where
[INFO] [stdout] 303 |         for<'a> Self: LendingStream<Item<'a> = T> + Sized + Unpin + 'a,
[INFO] [stdout] 304 ~     {async {
[INFO] [stdout] 305 |         let mut last = None;
[INFO] [stdout] ...
[INFO] [stdout] 309 |         last
[INFO] [stdout] 310 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:312:5
[INFO] [stdout]     |
[INFO] [stdout] 312 |     async fn find<P, T>(&mut self, mut predicate: P) -> Option<T>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 312 ~     fn find<P, T>(&mut self, mut predicate: P) -> impl std::future::Future<Output = Option<T>> + Send
[INFO] [stdout] 313 |     where
[INFO] [stdout] ...
[INFO] [stdout] 316 |         for<'a> Self: LendingStream<Item<'a> = T> + Sized + Unpin + 'a,
[INFO] [stdout] 317 ~     {async {
[INFO] [stdout] 318 |         loop {
[INFO] [stdout] ...
[INFO] [stdout] 328 |         }
[INFO] [stdout] 329 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 331 |     async fn find_map<F, B>(&mut self, mut f: F) -> Option<B>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 331 ~     fn find_map<F, B>(&mut self, mut f: F) -> impl std::future::Future<Output = Option<B>> + Send
[INFO] [stdout] 332 |     where
[INFO] [stdout] 333 |         Self: Sized + Unpin,
[INFO] [stdout] 334 |         F: FnMut(Self::Item<'_>) -> Option<B>,
[INFO] [stdout] 335 ~     {async {
[INFO] [stdout] 336 |         while let Some(x) = self.next().await {
[INFO] [stdout] ...
[INFO] [stdout] 341 |         None
[INFO] [stdout] 342 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:344:5
[INFO] [stdout]     |
[INFO] [stdout] 344 |     async fn position<P>(&mut self, mut predicate: P) -> Option<usize>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 344 ~     fn position<P>(&mut self, mut predicate: P) -> impl std::future::Future<Output = Option<usize>> + Send
[INFO] [stdout] 345 |     where
[INFO] [stdout] 346 |         Self: LendingStream + Sized + Unpin,
[INFO] [stdout] 347 |         P: FnMut(Self::Item<'_>) -> bool,
[INFO] [stdout] 348 ~     {async {
[INFO] [stdout] 349 |         let mut i = 0;
[INFO] [stdout] ...
[INFO] [stdout] 355 |         .await
[INFO] [stdout] 356 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:358:5
[INFO] [stdout]     |
[INFO] [stdout] 358 |     async fn all<P>(&mut self, mut predicate: P) -> bool
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 358 ~     fn all<P>(&mut self, mut predicate: P) -> impl std::future::Future<Output = bool> + Send
[INFO] [stdout] 359 |     where
[INFO] [stdout] 360 |         Self: LendingStream + Sized + Unpin,
[INFO] [stdout] 361 |         P: FnMut(Self::Item<'_>) -> bool,
[INFO] [stdout] 362 ~     {async {
[INFO] [stdout] 363 |         loop {
[INFO] [stdout] ...
[INFO] [stdout] 373 |         }
[INFO] [stdout] 374 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:376:5
[INFO] [stdout]     |
[INFO] [stdout] 376 |     async fn any<P>(&mut self, mut predicate: P) -> bool
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 376 ~     fn any<P>(&mut self, mut predicate: P) -> impl std::future::Future<Output = bool> + Send
[INFO] [stdout] 377 |     where
[INFO] [stdout] 378 |         Self: LendingStream + Sized + Unpin,
[INFO] [stdout] 379 |         P: FnMut(Self::Item<'_>) -> bool,
[INFO] [stdout] 380 ~     {async {
[INFO] [stdout] 381 |         loop {
[INFO] [stdout] ...
[INFO] [stdout] 391 |         }
[INFO] [stdout] 392 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |     async fn for_each<F>(mut self, mut f: F)
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 394 ~     fn for_each<F>(mut self, mut f: F) -> impl std::future::Future<Output = ()> + Send
[INFO] [stdout] 395 |     where
[INFO] [stdout] 396 |         Self: Sized + Unpin,
[INFO] [stdout] 397 |         F: FnMut(Self::Item<'_>),
[INFO] [stdout] 398 ~     {async {
[INFO] [stdout] 399 |         while let Some(x) = self.next().await {
[INFO] [stdout] 400 |             f(x);
[INFO] [stdout] 401 |         }
[INFO] [stdout] 402 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 404 |     async fn try_for_each<F, E>(&mut self, mut f: F) -> Result<(), E>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 404 ~     fn try_for_each<F, E>(&mut self, mut f: F) -> impl std::future::Future<Output = Result<(), E>> + Send
[INFO] [stdout] 405 |     where
[INFO] [stdout] 406 |         Self: LendingStream + Sized + Unpin,
[INFO] [stdout] 407 |         F: FnMut(Self::Item<'_>) -> Result<(), E>,
[INFO] [stdout] 408 ~     {async {
[INFO] [stdout] 409 |         while let Some(item) = self.next().await {
[INFO] [stdout] ...
[INFO] [stdout] 412 |         Ok(())
[INFO] [stdout] 413 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:426:5
[INFO] [stdout]     |
[INFO] [stdout] 426 |     async fn unzip<A, B, FromA, FromB>(mut self) -> (FromA, FromB)
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 426 ~     fn unzip<A, B, FromA, FromB>(mut self) -> impl std::future::Future<Output = (FromA, FromB)> + Send
[INFO] [stdout] 427 |     where
[INFO] [stdout] ...
[INFO] [stdout] 430 |         for<'a> Self: LendingStream<Item<'a> = (A, B)> + Sized + Unpin + 'a,
[INFO] [stdout] 431 ~     {async {
[INFO] [stdout] 432 |         let mut res: (FromA, FromB) = (Default::default(), Default::default());
[INFO] [stdout] ...
[INFO] [stdout] 437 |         res
[INFO] [stdout] 438 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/lending_stream_ext.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 |     async fn try_next<'a, T, E>(&'a mut self) -> Result<Option<T>, E>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout]  9 ~     fn try_next<'a, T, E>(&'a mut self) -> impl std::future::Future<Output = Result<Option<T>, E>> + Send
[INFO] [stdout] 10 |     where
[INFO] [stdout] 11 |         Self: LendingStream<Item<'a> = Result<T, E>> + Unpin,
[INFO] [stdout] 12 |         Self: 'a,
[INFO] [stdout] 13 ~     {async {
[INFO] [stdout] 14 |         self.next().await.transpose()
[INFO] [stdout] 15 ~     } }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/lending_stream_ext.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     async fn count(mut self) -> usize
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 17 ~     fn count(mut self) -> impl std::future::Future<Output = usize> + Send
[INFO] [stdout] 18 |     where
[INFO] [stdout] 19 |         Self: Sized + Unpin,
[INFO] [stdout] 20 ~     {async {
[INFO] [stdout] 21 |         let mut count = 0;
[INFO] [stdout] ...
[INFO] [stdout] 25 |         count
[INFO] [stdout] 26 ~     } }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     async fn collect<C>(mut self) -> C
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 168 ~     fn collect<C>(mut self) -> impl std::future::Future<Output = C> + Send
[INFO] [stdout] 169 |     where
[INFO] [stdout] 170 |         Self: Sized + Unpin,
[INFO] [stdout] 171 |         for<'a> C: Default + Extend<Self::Item<'a>>,
[INFO] [stdout] 172 ~     {async {
[INFO] [stdout] 173 |         let mut items: C = Default::default();
[INFO] [stdout] ...
[INFO] [stdout] 177 |         items
[INFO] [stdout] 178 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 180 |     async fn try_collect<C, T, E>(mut self) -> Result<C, E>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 180 ~     fn try_collect<C, T, E>(mut self) -> impl std::future::Future<Output = Result<C, E>> + Send
[INFO] [stdout] 181 |     where
[INFO] [stdout] 182 |         for<'a> Self: LendingStream<Item<'a> = Result<T, E>> + Sized + Unpin + 'a,
[INFO] [stdout] 183 |         C: Default + Extend<T>,
[INFO] [stdout] 184 ~     {async {
[INFO] [stdout] 185 |         let mut items: C = Default::default();
[INFO] [stdout] ...
[INFO] [stdout] 192 |         }
[INFO] [stdout] 193 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     async fn partition<B, P>(mut self, mut predicate: P) -> (B, B)
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 195 ~     fn partition<B, P>(mut self, mut predicate: P) -> impl std::future::Future<Output = (B, B)> + Send
[INFO] [stdout] 196 |     where
[INFO] [stdout] ...
[INFO] [stdout] 199 |         for<'a> P: FnMut(&Self::Item<'a>) -> bool,
[INFO] [stdout] 200 ~     {async {
[INFO] [stdout] 201 |         let mut left: B = Default::default();
[INFO] [stdout] ...
[INFO] [stdout] 210 |         (left, right)
[INFO] [stdout] 211 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 |     async fn fold<T, F>(mut self, init: T, mut f: F) -> T
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 213 ~     fn fold<T, F>(mut self, init: T, mut f: F) -> impl std::future::Future<Output = T> + Send
[INFO] [stdout] 214 |     where
[INFO] [stdout] 215 |         Self: Sized + Unpin,
[INFO] [stdout] 216 |         for<'a> F: FnMut(T, Self::Item<'a>) -> T,
[INFO] [stdout] 217 ~     {async {
[INFO] [stdout] 218 |         let mut accum = init;
[INFO] [stdout] ...
[INFO] [stdout] 222 |         accum
[INFO] [stdout] 223 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     async fn try_fold<T, E, F, B>(&mut self, init: B, mut f: F) -> Result<B, E>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 225 ~     fn try_fold<T, E, F, B>(&mut self, init: B, mut f: F) -> impl std::future::Future<Output = Result<B, E>> + Send
[INFO] [stdout] 226 |     where
[INFO] [stdout] 227 |         for<'a> Self: LendingStream<Item<'a> = Result<T, E>> + Sized + Unpin + 'a,
[INFO] [stdout] 228 |         F: FnMut(B, T) -> Result<B, E>,
[INFO] [stdout] 229 ~     {async {
[INFO] [stdout] 230 |         let mut accum = init;
[INFO] [stdout] ...
[INFO] [stdout] 234 |         Ok(accum)
[INFO] [stdout] 235 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 283 |     async fn nth<T>(&mut self, mut n: usize) -> Option<T>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 283 ~     fn nth<T>(&mut self, mut n: usize) -> impl std::future::Future<Output = Option<T>> + Send
[INFO] [stdout] 284 |     where
[INFO] [stdout] 285 |         for<'a> Self: LendingStream<Item<'a> = T> + Sized + Unpin + 'a,
[INFO] [stdout] 286 ~     {async {
[INFO] [stdout] 287 |         loop {
[INFO] [stdout] ...
[INFO] [stdout] 298 |         }
[INFO] [stdout] 299 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:301:5
[INFO] [stdout]     |
[INFO] [stdout] 301 |     async fn last<T>(mut self) -> Option<T>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 301 ~     fn last<T>(mut self) -> impl std::future::Future<Output = Option<T>> + Send
[INFO] [stdout] 302 |     where
[INFO] [stdout] 303 |         for<'a> Self: LendingStream<Item<'a> = T> + Sized + Unpin + 'a,
[INFO] [stdout] 304 ~     {async {
[INFO] [stdout] 305 |         let mut last = None;
[INFO] [stdout] ...
[INFO] [stdout] 309 |         last
[INFO] [stdout] 310 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:312:5
[INFO] [stdout]     |
[INFO] [stdout] 312 |     async fn find<P, T>(&mut self, mut predicate: P) -> Option<T>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 312 ~     fn find<P, T>(&mut self, mut predicate: P) -> impl std::future::Future<Output = Option<T>> + Send
[INFO] [stdout] 313 |     where
[INFO] [stdout] ...
[INFO] [stdout] 316 |         for<'a> Self: LendingStream<Item<'a> = T> + Sized + Unpin + 'a,
[INFO] [stdout] 317 ~     {async {
[INFO] [stdout] 318 |         loop {
[INFO] [stdout] ...
[INFO] [stdout] 328 |         }
[INFO] [stdout] 329 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 331 |     async fn find_map<F, B>(&mut self, mut f: F) -> Option<B>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 331 ~     fn find_map<F, B>(&mut self, mut f: F) -> impl std::future::Future<Output = Option<B>> + Send
[INFO] [stdout] 332 |     where
[INFO] [stdout] 333 |         Self: Sized + Unpin,
[INFO] [stdout] 334 |         F: FnMut(Self::Item<'_>) -> Option<B>,
[INFO] [stdout] 335 ~     {async {
[INFO] [stdout] 336 |         while let Some(x) = self.next().await {
[INFO] [stdout] ...
[INFO] [stdout] 341 |         None
[INFO] [stdout] 342 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:344:5
[INFO] [stdout]     |
[INFO] [stdout] 344 |     async fn position<P>(&mut self, mut predicate: P) -> Option<usize>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 344 ~     fn position<P>(&mut self, mut predicate: P) -> impl std::future::Future<Output = Option<usize>> + Send
[INFO] [stdout] 345 |     where
[INFO] [stdout] 346 |         Self: LendingStream + Sized + Unpin,
[INFO] [stdout] 347 |         P: FnMut(Self::Item<'_>) -> bool,
[INFO] [stdout] 348 ~     {async {
[INFO] [stdout] 349 |         let mut i = 0;
[INFO] [stdout] ...
[INFO] [stdout] 355 |         .await
[INFO] [stdout] 356 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:358:5
[INFO] [stdout]     |
[INFO] [stdout] 358 |     async fn all<P>(&mut self, mut predicate: P) -> bool
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 358 ~     fn all<P>(&mut self, mut predicate: P) -> impl std::future::Future<Output = bool> + Send
[INFO] [stdout] 359 |     where
[INFO] [stdout] 360 |         Self: LendingStream + Sized + Unpin,
[INFO] [stdout] 361 |         P: FnMut(Self::Item<'_>) -> bool,
[INFO] [stdout] 362 ~     {async {
[INFO] [stdout] 363 |         loop {
[INFO] [stdout] ...
[INFO] [stdout] 373 |         }
[INFO] [stdout] 374 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:376:5
[INFO] [stdout]     |
[INFO] [stdout] 376 |     async fn any<P>(&mut self, mut predicate: P) -> bool
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 376 ~     fn any<P>(&mut self, mut predicate: P) -> impl std::future::Future<Output = bool> + Send
[INFO] [stdout] 377 |     where
[INFO] [stdout] 378 |         Self: LendingStream + Sized + Unpin,
[INFO] [stdout] 379 |         P: FnMut(Self::Item<'_>) -> bool,
[INFO] [stdout] 380 ~     {async {
[INFO] [stdout] 381 |         loop {
[INFO] [stdout] ...
[INFO] [stdout] 391 |         }
[INFO] [stdout] 392 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |     async fn for_each<F>(mut self, mut f: F)
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 394 ~     fn for_each<F>(mut self, mut f: F) -> impl std::future::Future<Output = ()> + Send
[INFO] [stdout] 395 |     where
[INFO] [stdout] 396 |         Self: Sized + Unpin,
[INFO] [stdout] 397 |         F: FnMut(Self::Item<'_>),
[INFO] [stdout] 398 ~     {async {
[INFO] [stdout] 399 |         while let Some(x) = self.next().await {
[INFO] [stdout] 400 |             f(x);
[INFO] [stdout] 401 |         }
[INFO] [stdout] 402 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 404 |     async fn try_for_each<F, E>(&mut self, mut f: F) -> Result<(), E>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 404 ~     fn try_for_each<F, E>(&mut self, mut f: F) -> impl std::future::Future<Output = Result<(), E>> + Send
[INFO] [stdout] 405 |     where
[INFO] [stdout] 406 |         Self: LendingStream + Sized + Unpin,
[INFO] [stdout] 407 |         F: FnMut(Self::Item<'_>) -> Result<(), E>,
[INFO] [stdout] 408 ~     {async {
[INFO] [stdout] 409 |         while let Some(item) = self.next().await {
[INFO] [stdout] ...
[INFO] [stdout] 412 |         Ok(())
[INFO] [stdout] 413 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/lending_stream_ext.rs:426:5
[INFO] [stdout]     |
[INFO] [stdout] 426 |     async fn unzip<A, B, FromA, FromB>(mut self) -> (FromA, FromB)
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 426 ~     fn unzip<A, B, FromA, FromB>(mut self) -> impl std::future::Future<Output = (FromA, FromB)> + Send
[INFO] [stdout] 427 |     where
[INFO] [stdout] ...
[INFO] [stdout] 430 |         for<'a> Self: LendingStream<Item<'a> = (A, B)> + Sized + Unpin + 'a,
[INFO] [stdout] 431 ~     {async {
[INFO] [stdout] 432 |         let mut res: (FromA, FromB) = (Default::default(), Default::default());
[INFO] [stdout] ...
[INFO] [stdout] 437 |         res
[INFO] [stdout] 438 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.11s
[INFO] running `Command { std: "docker" "inspect" "e3da997b850440675ffbfb034e3f1522134d34949058696751b5bc207fe2a44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3da997b850440675ffbfb034e3f1522134d34949058696751b5bc207fe2a44b", kill_on_drop: false }`
[INFO] [stdout] e3da997b850440675ffbfb034e3f1522134d34949058696751b5bc207fe2a44b
