[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] testing jihiggins/lending-stream against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjihiggins%2Flending-stream" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jihiggins/lending-stream on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing jihiggins/lending-stream against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjihiggins%2Flending-stream" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jihiggins/lending-stream on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5af5491fbb9196aec67e1532646dd2a246ee76ec54b46bc271074990ae2219d8
[INFO] running `Command { std: "docker" "start" "-a" "5af5491fbb9196aec67e1532646dd2a246ee76ec54b46bc271074990ae2219d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5af5491fbb9196aec67e1532646dd2a246ee76ec54b46bc271074990ae2219d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5af5491fbb9196aec67e1532646dd2a246ee76ec54b46bc271074990ae2219d8", kill_on_drop: false }`
[INFO] [stdout] 5af5491fbb9196aec67e1532646dd2a246ee76ec54b46bc271074990ae2219d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb827087d1fc3770259af00f3a2e968abae285489d9c9c9d6b622219fb966545
[INFO] running `Command { std: "docker" "start" "-a" "eb827087d1fc3770259af00f3a2e968abae285489d9c9c9d6b622219fb966545", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling 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: 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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.54s
[INFO] running `Command { std: "docker" "inspect" "eb827087d1fc3770259af00f3a2e968abae285489d9c9c9d6b622219fb966545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb827087d1fc3770259af00f3a2e968abae285489d9c9c9d6b622219fb966545", kill_on_drop: false }`
[INFO] [stdout] eb827087d1fc3770259af00f3a2e968abae285489d9c9c9d6b622219fb966545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa3f1d31b0f8fd3953cc9c2dc455081646d7ec1aeb3090a6c9e59db471fcab5a
[INFO] running `Command { std: "docker" "start" "-a" "aa3f1d31b0f8fd3953cc9c2dc455081646d7ec1aeb3090a6c9e59db471fcab5a", kill_on_drop: false }`
[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] [stderr]    Compiling lending-stream v0.1.0 (/opt/rustwide/workdir)
[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: 18 warnings emitted
[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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "aa3f1d31b0f8fd3953cc9c2dc455081646d7ec1aeb3090a6c9e59db471fcab5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3f1d31b0f8fd3953cc9c2dc455081646d7ec1aeb3090a6c9e59db471fcab5a", kill_on_drop: false }`
[INFO] [stdout] aa3f1d31b0f8fd3953cc9c2dc455081646d7ec1aeb3090a6c9e59db471fcab5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a202ec931bdb178290efd71c22d04a1299c58dec840c283f1932fb9894683aba
[INFO] running `Command { std: "docker" "start" "-a" "a202ec931bdb178290efd71c22d04a1299c58dec840c283f1932fb9894683aba", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(async_fn_in_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]  --> src/lending_stream_ext.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     async fn try_next<'a, T, E>(&'a mut self) -> Result<Option<T>, E>
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = 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] [stderr]   = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stderr] 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] [stderr]   |
[INFO] [stderr] 9 ~     fn try_next<'a, T, E>(&'a mut self) -> impl std::future::Future<Output = Result<Option<T>, E>> + Send
[INFO] [stderr] 10|     where
[INFO] [stderr] 11|         Self: LendingStream<Item<'a> = Result<T, E>> + Unpin,
[INFO] [stderr] 12|         Self: 'a,
[INFO] [stderr] 13~     {async {
[INFO] [stderr] 14|         self.next().await.transpose()
[INFO] [stderr] 15~     } }
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]   --> src/lending_stream_ext.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     async fn count(mut self) -> usize
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = 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] [stderr] 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] [stderr]    |
[INFO] [stderr] 17 ~     fn count(mut self) -> impl std::future::Future<Output = usize> + Send
[INFO] [stderr] 18 |     where
[INFO] [stderr] 19 |         Self: Sized + Unpin,
[INFO] [stderr] 20 ~     {async {
[INFO] [stderr] 21 |         let mut count = 0;
[INFO] [stderr] ...
[INFO] [stderr] 25 |         count
[INFO] [stderr] 26 ~     } }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     async fn collect<C>(mut self) -> C
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 168 ~     fn collect<C>(mut self) -> impl std::future::Future<Output = C> + Send
[INFO] [stderr] 169 |     where
[INFO] [stderr] 170 |         Self: Sized + Unpin,
[INFO] [stderr] 171 |         for<'a> C: Default + Extend<Self::Item<'a>>,
[INFO] [stderr] 172 ~     {async {
[INFO] [stderr] 173 |         let mut items: C = Default::default();
[INFO] [stderr] ...
[INFO] [stderr] 177 |         items
[INFO] [stderr] 178 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     async fn try_collect<C, T, E>(mut self) -> Result<C, E>
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 180 ~     fn try_collect<C, T, E>(mut self) -> impl std::future::Future<Output = Result<C, E>> + Send
[INFO] [stderr] 181 |     where
[INFO] [stderr] 182 |         for<'a> Self: LendingStream<Item<'a> = Result<T, E>> + Sized + Unpin + 'a,
[INFO] [stderr] 183 |         C: Default + Extend<T>,
[INFO] [stderr] 184 ~     {async {
[INFO] [stderr] 185 |         let mut items: C = Default::default();
[INFO] [stderr] ...
[INFO] [stderr] 192 |         }
[INFO] [stderr] 193 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 |     async fn partition<B, P>(mut self, mut predicate: P) -> (B, B)
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 195 ~     fn partition<B, P>(mut self, mut predicate: P) -> impl std::future::Future<Output = (B, B)> + Send
[INFO] [stderr] 196 |     where
[INFO] [stderr] ...
[INFO] [stderr] 199 |         for<'a> P: FnMut(&Self::Item<'a>) -> bool,
[INFO] [stderr] 200 ~     {async {
[INFO] [stderr] 201 |         let mut left: B = Default::default();
[INFO] [stderr] ...
[INFO] [stderr] 210 |         (left, right)
[INFO] [stderr] 211 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:213:5
[INFO] [stderr]     |
[INFO] [stderr] 213 |     async fn fold<T, F>(mut self, init: T, mut f: F) -> T
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 213 ~     fn fold<T, F>(mut self, init: T, mut f: F) -> impl std::future::Future<Output = T> + Send
[INFO] [stderr] 214 |     where
[INFO] [stderr] 215 |         Self: Sized + Unpin,
[INFO] [stderr] 216 |         for<'a> F: FnMut(T, Self::Item<'a>) -> T,
[INFO] [stderr] 217 ~     {async {
[INFO] [stderr] 218 |         let mut accum = init;
[INFO] [stderr] ...
[INFO] [stderr] 222 |         accum
[INFO] [stderr] 223 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     async fn try_fold<T, E, F, B>(&mut self, init: B, mut f: F) -> Result<B, E>
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 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] [stderr] 226 |     where
[INFO] [stderr] 227 |         for<'a> Self: LendingStream<Item<'a> = Result<T, E>> + Sized + Unpin + 'a,
[INFO] [stderr] 228 |         F: FnMut(B, T) -> Result<B, E>,
[INFO] [stderr] 229 ~     {async {
[INFO] [stderr] 230 |         let mut accum = init;
[INFO] [stderr] ...
[INFO] [stderr] 234 |         Ok(accum)
[INFO] [stderr] 235 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:283:5
[INFO] [stderr]     |
[INFO] [stderr] 283 |     async fn nth<T>(&mut self, mut n: usize) -> Option<T>
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 283 ~     fn nth<T>(&mut self, mut n: usize) -> impl std::future::Future<Output = Option<T>> + Send
[INFO] [stderr] 284 |     where
[INFO] [stderr] 285 |         for<'a> Self: LendingStream<Item<'a> = T> + Sized + Unpin + 'a,
[INFO] [stderr] 286 ~     {async {
[INFO] [stderr] 287 |         loop {
[INFO] [stderr] ...
[INFO] [stderr] 298 |         }
[INFO] [stderr] 299 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:301:5
[INFO] [stderr]     |
[INFO] [stderr] 301 |     async fn last<T>(mut self) -> Option<T>
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 301 ~     fn last<T>(mut self) -> impl std::future::Future<Output = Option<T>> + Send
[INFO] [stderr] 302 |     where
[INFO] [stderr] 303 |         for<'a> Self: LendingStream<Item<'a> = T> + Sized + Unpin + 'a,
[INFO] [stderr] 304 ~     {async {
[INFO] [stderr] 305 |         let mut last = None;
[INFO] [stderr] ...
[INFO] [stderr] 309 |         last
[INFO] [stderr] 310 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 |     async fn find<P, T>(&mut self, mut predicate: P) -> Option<T>
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 312 ~     fn find<P, T>(&mut self, mut predicate: P) -> impl std::future::Future<Output = Option<T>> + Send
[INFO] [stderr] 313 |     where
[INFO] [stderr] ...
[INFO] [stderr] 316 |         for<'a> Self: LendingStream<Item<'a> = T> + Sized + Unpin + 'a,
[INFO] [stderr] 317 ~     {async {
[INFO] [stderr] 318 |         loop {
[INFO] [stderr] ...
[INFO] [stderr] 328 |         }
[INFO] [stderr] 329 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:331:5
[INFO] [stderr]     |
[INFO] [stderr] 331 |     async fn find_map<F, B>(&mut self, mut f: F) -> Option<B>
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 331 ~     fn find_map<F, B>(&mut self, mut f: F) -> impl std::future::Future<Output = Option<B>> + Send
[INFO] [stderr] 332 |     where
[INFO] [stderr] 333 |         Self: Sized + Unpin,
[INFO] [stderr] 334 |         F: FnMut(Self::Item<'_>) -> Option<B>,
[INFO] [stderr] 335 ~     {async {
[INFO] [stderr] 336 |         while let Some(x) = self.next().await {
[INFO] [stderr] ...
[INFO] [stderr] 341 |         None
[INFO] [stderr] 342 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:344:5
[INFO] [stderr]     |
[INFO] [stderr] 344 |     async fn position<P>(&mut self, mut predicate: P) -> Option<usize>
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 344 ~     fn position<P>(&mut self, mut predicate: P) -> impl std::future::Future<Output = Option<usize>> + Send
[INFO] [stderr] 345 |     where
[INFO] [stderr] 346 |         Self: LendingStream + Sized + Unpin,
[INFO] [stderr] 347 |         P: FnMut(Self::Item<'_>) -> bool,
[INFO] [stderr] 348 ~     {async {
[INFO] [stderr] 349 |         let mut i = 0;
[INFO] [stderr] ...
[INFO] [stderr] 355 |         .await
[INFO] [stderr] 356 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:358:5
[INFO] [stderr]     |
[INFO] [stderr] 358 |     async fn all<P>(&mut self, mut predicate: P) -> bool
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 358 ~     fn all<P>(&mut self, mut predicate: P) -> impl std::future::Future<Output = bool> + Send
[INFO] [stderr] 359 |     where
[INFO] [stderr] 360 |         Self: LendingStream + Sized + Unpin,
[INFO] [stderr] 361 |         P: FnMut(Self::Item<'_>) -> bool,
[INFO] [stderr] 362 ~     {async {
[INFO] [stderr] 363 |         loop {
[INFO] [stderr] ...
[INFO] [stderr] 373 |         }
[INFO] [stderr] 374 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:376:5
[INFO] [stderr]     |
[INFO] [stderr] 376 |     async fn any<P>(&mut self, mut predicate: P) -> bool
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 376 ~     fn any<P>(&mut self, mut predicate: P) -> impl std::future::Future<Output = bool> + Send
[INFO] [stderr] 377 |     where
[INFO] [stderr] 378 |         Self: LendingStream + Sized + Unpin,
[INFO] [stderr] 379 |         P: FnMut(Self::Item<'_>) -> bool,
[INFO] [stderr] 380 ~     {async {
[INFO] [stderr] 381 |         loop {
[INFO] [stderr] ...
[INFO] [stderr] 391 |         }
[INFO] [stderr] 392 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:394:5
[INFO] [stderr]     |
[INFO] [stderr] 394 |     async fn for_each<F>(mut self, mut f: F)
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 394 ~     fn for_each<F>(mut self, mut f: F) -> impl std::future::Future<Output = ()> + Send
[INFO] [stderr] 395 |     where
[INFO] [stderr] 396 |         Self: Sized + Unpin,
[INFO] [stderr] 397 |         F: FnMut(Self::Item<'_>),
[INFO] [stderr] 398 ~     {async {
[INFO] [stderr] 399 |         while let Some(x) = self.next().await {
[INFO] [stderr] 400 |             f(x);
[INFO] [stderr] 401 |         }
[INFO] [stderr] 402 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:404:5
[INFO] [stderr]     |
[INFO] [stderr] 404 |     async fn try_for_each<F, E>(&mut self, mut f: F) -> Result<(), E>
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 404 ~     fn try_for_each<F, E>(&mut self, mut f: F) -> impl std::future::Future<Output = Result<(), E>> + Send
[INFO] [stderr] 405 |     where
[INFO] [stderr] 406 |         Self: LendingStream + Sized + Unpin,
[INFO] [stderr] 407 |         F: FnMut(Self::Item<'_>) -> Result<(), E>,
[INFO] [stderr] 408 ~     {async {
[INFO] [stderr] 409 |         while let Some(item) = self.next().await {
[INFO] [stderr] ...
[INFO] [stderr] 412 |         Ok(())
[INFO] [stderr] 413 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> src/lending_stream_ext.rs:426:5
[INFO] [stderr]     |
[INFO] [stderr] 426 |     async fn unzip<A, B, FromA, FromB>(mut self) -> (FromA, FromB)
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = 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] [stderr] 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] [stderr]     |
[INFO] [stderr] 426 ~     fn unzip<A, B, FromA, FromB>(mut self) -> impl std::future::Future<Output = (FromA, FromB)> + Send
[INFO] [stderr] 427 |     where
[INFO] [stderr] ...
[INFO] [stderr] 430 |         for<'a> Self: LendingStream<Item<'a> = (A, B)> + Sized + Unpin + 'a,
[INFO] [stderr] 431 ~     {async {
[INFO] [stderr] 432 |         let mut res: (FromA, FromB) = (Default::default(), Default::default());
[INFO] [stderr] ...
[INFO] [stderr] 437 |         res
[INFO] [stderr] 438 ~     } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `lending-stream` (lib) generated 18 warnings
[INFO] [stderr] warning: `lending-stream` (lib test) generated 18 warnings (18 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lending_stream-d77e442bf200087a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lending_stream
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a202ec931bdb178290efd71c22d04a1299c58dec840c283f1932fb9894683aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a202ec931bdb178290efd71c22d04a1299c58dec840c283f1932fb9894683aba", kill_on_drop: false }`
[INFO] [stdout] a202ec931bdb178290efd71c22d04a1299c58dec840c283f1932fb9894683aba