[INFO] cloning repository https://github.com/devillove084/ArrowKV
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devillove084/ArrowKV" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevillove084%2FArrowKV", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevillove084%2FArrowKV'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a65b9921b5e2474e2a00603ace28cf473bf5b14c
[INFO] checking devillove084/ArrowKV against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevillove084%2FArrowKV" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devillove084/ArrowKV on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/devillove084/ArrowKV
[INFO] finished tweaking git repo https://github.com/devillove084/ArrowKV
[INFO] tweaked toml for git repo https://github.com/devillove084/ArrowKV written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/devillove084/ArrowKV 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/devillove084/actix.git`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "a0d0a3e25f361aef7d221402fab46ba70d046e1b0a3d1532b9a4ed3627b14b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0d0a3e25f361aef7d221402fab46ba70d046e1b0a3d1532b9a4ed3627b14b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d0a3e25f361aef7d221402fab46ba70d046e1b0a3d1532b9a4ed3627b14b69", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "18700ffc92baa00fb352c23b3d38ec8414e7b2b8684686118f9737d4a931c120", kill_on_drop: false }`
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[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/runtime/src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(async_fn_in_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/runtime/src/lib.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/runtime/src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(async_fn_in_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/runtime/src/lib.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![feature(return_position_impl_trait_in_trait)]
[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/runtime/src/operators/learned_index/opt.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     async fn load(&self, address: usize) -> OperatorOnResult<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]    = 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] 21 -     async fn load(&self, address: usize) -> OperatorOnResult<T>;
[INFO] [stdout] 21 +     fn load(&self, address: usize) -> impl std::future::Future<Output = OperatorOnResult<T>> + 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/runtime/src/operators/learned_index/opt.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     async fn store(&self, address: usize, v: T) -> OperatorOnResult<()>;
[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] 23 -     async fn store(&self, address: usize, v: T) -> OperatorOnResult<()>;
[INFO] [stdout] 23 +     fn store(&self, address: usize, v: T) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/opt.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     async fn move_to_range(&self, range: Range<usize>) -> OperatorOnResult<()>;
[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 -     async fn move_to_range(&self, range: Range<usize>) -> OperatorOnResult<()>;
[INFO] [stdout] 25 +     fn move_to_range(&self, range: Range<usize>) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/opt.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     async fn load_current(&self, index: usize) -> OperatorOnResult<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] 29 -     async fn load_current(&self, index: usize) -> OperatorOnResult<T>;
[INFO] [stdout] 29 +     fn load_current(&self, index: usize) -> impl std::future::Future<Output = OperatorOnResult<T>> + 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/runtime/src/operators/learned_index/opt.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     async fn load_next(&self) -> OperatorOnResult<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] 31 -     async fn load_next(&self) -> OperatorOnResult<T>;
[INFO] [stdout] 31 +     fn load_next(&self) -> impl std::future::Future<Output = OperatorOnResult<T>> + 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/runtime/src/operators/learned_index/opt.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     async fn load_range(&self, range: Range<usize>) -> OperatorOnResult<Vec<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] 33 -     async fn load_range(&self, range: Range<usize>) -> OperatorOnResult<Vec<T>>;
[INFO] [stdout] 33 +     fn load_range(&self, range: Range<usize>) -> impl std::future::Future<Output = OperatorOnResult<Vec<T>>> + 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/runtime/src/operators/learned_index/opt.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     async fn store(&self, address: usize, v: T) -> OperatorOnResult<()>;
[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] 35 -     async fn store(&self, address: usize, v: T) -> OperatorOnResult<()>;
[INFO] [stdout] 35 +     fn store(&self, address: usize, v: T) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/opt.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     async fn store_in_range(&self, address: Range<usize>, to: Range<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] 37 ~     fn store_in_range(&self, address: Range<usize>, to: Range<usize>)
[INFO] [stdout] 38 ~         -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/opt.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     async fn split(&self) -> OperatorOnResult<()>;
[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] 43 -     async fn split(&self) -> OperatorOnResult<()>;
[INFO] [stdout] 43 +     fn split(&self) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/opt.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     async fn combine(&self) -> OperatorOnResult<()>;
[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] 46 -     async fn combine(&self) -> OperatorOnResult<()>;
[INFO] [stdout] 46 +     fn combine(&self) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/planner.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     async fn plan(&self) -> OperatorOnResult<Plan>;
[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] 4 -     async fn plan(&self) -> OperatorOnResult<Plan>;
[INFO] [stdout] 4 +     fn plan(&self) -> impl std::future::Future<Output = OperatorOnResult<Plan>> + 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/runtime/src/operators/learned_index/sink.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     async fn read_from_file(&self, path: Path) -> OperatorOnResult<()>;
[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] 6 -     async fn read_from_file(&self, path: Path) -> OperatorOnResult<()>;
[INFO] [stdout] 6 +     fn read_from_file(&self, path: Path) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/sink.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     async fn read_from_buffer<A: Allocator>(&self, buffer: Buffer<A>) -> OperatorOnResult<()>;
[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] 8 -     async fn read_from_buffer<A: Allocator>(&self, buffer: Buffer<A>) -> OperatorOnResult<()>;
[INFO] [stdout] 8 +     fn read_from_buffer<A: Allocator>(&self, buffer: Buffer<A>) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/opt.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     async fn load(&self, address: usize) -> OperatorOnResult<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]    = 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] 21 -     async fn load(&self, address: usize) -> OperatorOnResult<T>;
[INFO] [stdout] 21 +     fn load(&self, address: usize) -> impl std::future::Future<Output = OperatorOnResult<T>> + 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/runtime/src/operators/learned_index/opt.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     async fn store(&self, address: usize, v: T) -> OperatorOnResult<()>;
[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] 23 -     async fn store(&self, address: usize, v: T) -> OperatorOnResult<()>;
[INFO] [stdout] 23 +     fn store(&self, address: usize, v: T) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/opt.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     async fn move_to_range(&self, range: Range<usize>) -> OperatorOnResult<()>;
[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 -     async fn move_to_range(&self, range: Range<usize>) -> OperatorOnResult<()>;
[INFO] [stdout] 25 +     fn move_to_range(&self, range: Range<usize>) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/opt.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     async fn load_current(&self, index: usize) -> OperatorOnResult<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] 29 -     async fn load_current(&self, index: usize) -> OperatorOnResult<T>;
[INFO] [stdout] 29 +     fn load_current(&self, index: usize) -> impl std::future::Future<Output = OperatorOnResult<T>> + 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/runtime/src/operators/learned_index/opt.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     async fn load_next(&self) -> OperatorOnResult<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] 31 -     async fn load_next(&self) -> OperatorOnResult<T>;
[INFO] [stdout] 31 +     fn load_next(&self) -> impl std::future::Future<Output = OperatorOnResult<T>> + 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/runtime/src/operators/learned_index/opt.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     async fn load_range(&self, range: Range<usize>) -> OperatorOnResult<Vec<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] 33 -     async fn load_range(&self, range: Range<usize>) -> OperatorOnResult<Vec<T>>;
[INFO] [stdout] 33 +     fn load_range(&self, range: Range<usize>) -> impl std::future::Future<Output = OperatorOnResult<Vec<T>>> + 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/runtime/src/operators/learned_index/opt.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     async fn store(&self, address: usize, v: T) -> OperatorOnResult<()>;
[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] 35 -     async fn store(&self, address: usize, v: T) -> OperatorOnResult<()>;
[INFO] [stdout] 35 +     fn store(&self, address: usize, v: T) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/opt.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     async fn store_in_range(&self, address: Range<usize>, to: Range<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] 37 ~     fn store_in_range(&self, address: Range<usize>, to: Range<usize>)
[INFO] [stdout] 38 ~         -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/opt.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     async fn split(&self) -> OperatorOnResult<()>;
[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] 43 -     async fn split(&self) -> OperatorOnResult<()>;
[INFO] [stdout] 43 +     fn split(&self) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/opt.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     async fn combine(&self) -> OperatorOnResult<()>;
[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] 46 -     async fn combine(&self) -> OperatorOnResult<()>;
[INFO] [stdout] 46 +     fn combine(&self) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/planner.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     async fn plan(&self) -> OperatorOnResult<Plan>;
[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] 4 -     async fn plan(&self) -> OperatorOnResult<Plan>;
[INFO] [stdout] 4 +     fn plan(&self) -> impl std::future::Future<Output = OperatorOnResult<Plan>> + 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/runtime/src/operators/learned_index/sink.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     async fn read_from_file(&self, path: Path) -> OperatorOnResult<()>;
[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] 6 -     async fn read_from_file(&self, path: Path) -> OperatorOnResult<()>;
[INFO] [stdout] 6 +     fn read_from_file(&self, path: Path) -> impl std::future::Future<Output = OperatorOnResult<()>> + 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/runtime/src/operators/learned_index/sink.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     async fn read_from_buffer<A: Allocator>(&self, buffer: Buffer<A>) -> OperatorOnResult<()>;
[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] 8 -     async fn read_from_buffer<A: Allocator>(&self, buffer: Buffer<A>) -> OperatorOnResult<()>;
[INFO] [stdout] 8 +     fn read_from_buffer<A: Allocator>(&self, buffer: Buffer<A>) -> impl std::future::Future<Output = OperatorOnResult<()>> + Send;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/src/client)
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.22s
[INFO] running `Command { std: "docker" "inspect" "18700ffc92baa00fb352c23b3d38ec8414e7b2b8684686118f9737d4a931c120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18700ffc92baa00fb352c23b3d38ec8414e7b2b8684686118f9737d4a931c120", kill_on_drop: false }`
[INFO] [stdout] 18700ffc92baa00fb352c23b3d38ec8414e7b2b8684686118f9737d4a931c120
