[INFO] fetching crate fluke-maybe-uring 0.1.1...
[INFO] checking fluke-maybe-uring-0.1.1 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate fluke-maybe-uring 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fluke-maybe-uring 0.1.1
[INFO] finished tweaking crates.io crate fluke-maybe-uring 0.1.1
[INFO] tweaked toml for crates.io crate fluke-maybe-uring 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fluke-maybe-uring 0.1.1 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding tokio-uring v0.4.0 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e0416ae7a05a2bab8f2521077b65b5df462fa3eca76a9a81a844cc4b5185d50
[INFO] running `Command { std: "docker" "start" "-a" "1e0416ae7a05a2bab8f2521077b65b5df462fa3eca76a9a81a844cc4b5185d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e0416ae7a05a2bab8f2521077b65b5df462fa3eca76a9a81a844cc4b5185d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0416ae7a05a2bab8f2521077b65b5df462fa3eca76a9a81a844cc4b5185d50", kill_on_drop: false }`
[INFO] [stdout] 1e0416ae7a05a2bab8f2521077b65b5df462fa3eca76a9a81a844cc4b5185d50
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bc08753ac899d3d99f9aae150846c12ce21c49a27b085a53cad84aaa50721ce
[INFO] running `Command { std: "docker" "start" "-a" "2bc08753ac899d3d99f9aae150846c12ce21c49a27b085a53cad84aaa50721ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-uring v0.5.13
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking tokio-uring v0.4.0
[INFO] [stderr]     Checking fluke-maybe-uring v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `bytes`
[INFO] [stdout]    --> src/buf/io_buf.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 | #[cfg(feature = "bytes")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `bytes` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bytes`
[INFO] [stdout]    --> src/buf/io_buf.rs:149:7
[INFO] [stdout]     |
[INFO] [stdout] 149 | #[cfg(feature = "bytes")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `bytes` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bytes`
[INFO] [stdout]   --> src/buf/io_buf_mut.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg(feature = "bytes")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]    = help: consider adding `bytes` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `miri`
[INFO] [stdout]    --> src/io.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 | #[cfg(all(test, not(feature = "miri")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `miri` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `miri`
[INFO] [stdout]    --> src/io/chan.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 | #[cfg(all(test, not(feature = "miri")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `miri` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `non_uring::*`
[INFO] [stdout]   --> src/io.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use non_uring::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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: unexpected `cfg` condition value: `bytes`
[INFO] [stdout]    --> src/buf/io_buf.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 | #[cfg(feature = "bytes")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `bytes` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bytes`
[INFO] [stdout]    --> src/buf/io_buf.rs:149:7
[INFO] [stdout]     |
[INFO] [stdout] 149 | #[cfg(feature = "bytes")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `bytes` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bytes`
[INFO] [stdout]   --> src/buf/io_buf_mut.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg(feature = "bytes")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]    = help: consider adding `bytes` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `miri`
[INFO] [stdout]    --> src/io.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 | #[cfg(all(test, not(feature = "miri")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `miri` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `miri`
[INFO] [stdout]    --> src/io/chan.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 | #[cfg(all(test, not(feature = "miri")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `miri` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `non_uring::*`
[INFO] [stdout]   --> src/io.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use non_uring::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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: struct `BufCompat` is never constructed
[INFO] [stdout]  --> src/buf/tokio_uring_compat.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BufCompat<T>(pub T);
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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/io.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     async fn read<B: IoBufMut>(&mut self, buf: B) -> BufResult<usize, 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]    = 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] 16 -     async fn read<B: IoBufMut>(&mut self, buf: B) -> BufResult<usize, B>;
[INFO] [stdout] 16 +     fn read<B: IoBufMut>(&mut self, buf: B) -> impl std::future::Future<Output = BufResult<usize, B>> + Send;
[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/io.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     async fn write<B: IoBuf>(&mut self, buf: B) -> BufResult<usize, 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] 22 -     async fn write<B: IoBuf>(&mut self, buf: B) -> BufResult<usize, B>;
[INFO] [stdout] 22 +     fn write<B: IoBuf>(&mut self, buf: B) -> impl std::future::Future<Output = BufResult<usize, B>> + Send;
[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/io.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     async fn write_all<B: IoBuf>(&mut self, mut buf: B) -> std::io::Result<()> {
[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] 25 ~     fn write_all<B: IoBuf>(&mut self, mut buf: B) -> impl std::future::Future<Output = std::io::Result<()>> + Send {async {
[INFO] [stdout] 26 |         let mut written = 0;
[INFO] [stdout] ...
[INFO] [stdout] 40 |         Ok(())
[INFO] [stdout] 41 ~     } }
[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/io.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     async fn writev<B: IoBuf>(&mut self, list: Vec<B>) -> BufResult<usize, Vec<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] 45 ~     fn writev<B: IoBuf>(&mut self, list: Vec<B>) -> impl std::future::Future<Output = BufResult<usize, Vec<B>>> + Send {async {
[INFO] [stdout] 46 |         let mut out_list = Vec::with_capacity(list.len());
[INFO] [stdout] ...
[INFO] [stdout] 82 |         (Ok(total), out_list)
[INFO] [stdout] 83 ~     } }
[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/io.rs:86:5
[INFO] [stdout]     |
[INFO] [stdout]  86 |     async fn writev_all<B: IoBuf>(&mut self, list: impl Into<Vec<B>>) -> std::io::Result<()> {
[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]  86 ~     fn writev_all<B: IoBuf>(&mut self, list: impl Into<Vec<B>>) -> impl std::future::Future<Output = std::io::Result<()>> + Send {async {
[INFO] [stdout]  87 |         // FIXME: converting into a `Vec` and _then_ into an iterator is silly,
[INFO] [stdout] ...
[INFO] [stdout] 126 |         Ok(())
[INFO] [stdout] 127 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufCompat` is never constructed
[INFO] [stdout]  --> src/buf/tokio_uring_compat.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BufCompat<T>(pub T);
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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/io.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     async fn read<B: IoBufMut>(&mut self, buf: B) -> BufResult<usize, 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]    = 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] 16 -     async fn read<B: IoBufMut>(&mut self, buf: B) -> BufResult<usize, B>;
[INFO] [stdout] 16 +     fn read<B: IoBufMut>(&mut self, buf: B) -> impl std::future::Future<Output = BufResult<usize, B>> + Send;
[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/io.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     async fn write<B: IoBuf>(&mut self, buf: B) -> BufResult<usize, 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] 22 -     async fn write<B: IoBuf>(&mut self, buf: B) -> BufResult<usize, B>;
[INFO] [stdout] 22 +     fn write<B: IoBuf>(&mut self, buf: B) -> impl std::future::Future<Output = BufResult<usize, B>> + Send;
[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/io.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     async fn write_all<B: IoBuf>(&mut self, mut buf: B) -> std::io::Result<()> {
[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] 25 ~     fn write_all<B: IoBuf>(&mut self, mut buf: B) -> impl std::future::Future<Output = std::io::Result<()>> + Send {async {
[INFO] [stdout] 26 |         let mut written = 0;
[INFO] [stdout] ...
[INFO] [stdout] 40 |         Ok(())
[INFO] [stdout] 41 ~     } }
[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/io.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     async fn writev<B: IoBuf>(&mut self, list: Vec<B>) -> BufResult<usize, Vec<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] 45 ~     fn writev<B: IoBuf>(&mut self, list: Vec<B>) -> impl std::future::Future<Output = BufResult<usize, Vec<B>>> + Send {async {
[INFO] [stdout] 46 |         let mut out_list = Vec::with_capacity(list.len());
[INFO] [stdout] ...
[INFO] [stdout] 82 |         (Ok(total), out_list)
[INFO] [stdout] 83 ~     } }
[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/io.rs:86:5
[INFO] [stdout]     |
[INFO] [stdout]  86 |     async fn writev_all<B: IoBuf>(&mut self, list: impl Into<Vec<B>>) -> std::io::Result<()> {
[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]  86 ~     fn writev_all<B: IoBuf>(&mut self, list: impl Into<Vec<B>>) -> impl std::future::Future<Output = std::io::Result<()>> + Send {async {
[INFO] [stdout]  87 |         // FIXME: converting into a `Vec` and _then_ into an iterator is silly,
[INFO] [stdout] ...
[INFO] [stdout] 126 |         Ok(())
[INFO] [stdout] 127 ~     } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "2bc08753ac899d3d99f9aae150846c12ce21c49a27b085a53cad84aaa50721ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc08753ac899d3d99f9aae150846c12ce21c49a27b085a53cad84aaa50721ce", kill_on_drop: false }`
[INFO] [stdout] 2bc08753ac899d3d99f9aae150846c12ce21c49a27b085a53cad84aaa50721ce
