[INFO] fetching crate adi-adxl355-async 0.2.0...
[INFO] checking adi-adxl355-async-0.2.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate adi-adxl355-async 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate adi-adxl355-async 0.2.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adi-adxl355-async 0.2.0
[INFO] finished tweaking crates.io crate adi-adxl355-async 0.2.0
[INFO] tweaked toml for crates.io crate adi-adxl355-async 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.58
[INFO] [stderr]   Downloaded defmt-parser v0.3.4
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded defmt v0.3.6
[INFO] [stderr]   Downloaded adi-adxl355 v0.2.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.58
[INFO] [stderr]   Downloaded defmt-macros v0.3.7
[INFO] [stderr]   Downloaded embedded-hal-async v1.0.0
[INFO] [stderr]   Downloaded micromath v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f781761435a0557ef68b8c24dce04003d85b4396a22d6ca4be3ea7f5f968c9c
[INFO] running `Command { std: "docker" "start" "-a" "8f781761435a0557ef68b8c24dce04003d85b4396a22d6ca4be3ea7f5f968c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f781761435a0557ef68b8c24dce04003d85b4396a22d6ca4be3ea7f5f968c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f781761435a0557ef68b8c24dce04003d85b4396a22d6ca4be3ea7f5f968c9c", kill_on_drop: false }`
[INFO] [stdout] 8f781761435a0557ef68b8c24dce04003d85b4396a22d6ca4be3ea7f5f968c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c958b7a6933fa0ea265d74b71582d9e2f0fb41da25d594b01bfb8991a9a186d
[INFO] running `Command { std: "docker" "start" "-a" "4c958b7a6933fa0ea265d74b71582d9e2f0fb41da25d594b01bfb8991a9a186d", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]     Checking adi-adxl355 v0.2.0
[INFO] [stderr]     Checking adi-adxl355-async v0.2.0 (/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:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(async_fn_in_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![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/lib.rs:609:5
[INFO] [stdout]     |
[INFO] [stdout] 609 |     async fn read_register(&mut self, register: Register)
[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] 609 ~     fn read_register(&mut self, register: Register)
[INFO] [stdout] 610 ~         -> impl std::future::Future<Output = Result<u8, Error<Self::ProtocolError>>> + 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/lib.rs:613:5
[INFO] [stdout]     |
[INFO] [stdout] 613 |     async fn read_multiple_registers(
[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] 613 ~     fn read_multiple_registers(
[INFO] [stdout] 614 |         &mut self,
[INFO] [stdout] 615 |         start_register: Register,
[INFO] [stdout] 616 |         buf: &mut [u8],
[INFO] [stdout] 617 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + 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/lib.rs:620:5
[INFO] [stdout]     |
[INFO] [stdout] 620 |     async fn write_register(
[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] 620 ~     fn write_register(
[INFO] [stdout] 621 |         &mut self,
[INFO] [stdout] 622 |         register: Register,
[INFO] [stdout] 623 |         buf: u8,
[INFO] [stdout] 624 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + 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/lib.rs:627:5
[INFO] [stdout]     |
[INFO] [stdout] 627 |     async fn write_multiple_registers(
[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] 627 ~     fn write_multiple_registers(
[INFO] [stdout] 628 |         &mut self,
[INFO] [stdout] 629 |         buf: &mut [u8],
[INFO] [stdout] 630 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + 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/lib.rs:609:5
[INFO] [stdout]     |
[INFO] [stdout] 609 |     async fn read_register(&mut self, register: Register)
[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] 609 ~     fn read_register(&mut self, register: Register)
[INFO] [stdout] 610 ~         -> impl std::future::Future<Output = Result<u8, Error<Self::ProtocolError>>> + 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/lib.rs:613:5
[INFO] [stdout]     |
[INFO] [stdout] 613 |     async fn read_multiple_registers(
[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] 613 ~     fn read_multiple_registers(
[INFO] [stdout] 614 |         &mut self,
[INFO] [stdout] 615 |         start_register: Register,
[INFO] [stdout] 616 |         buf: &mut [u8],
[INFO] [stdout] 617 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + 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/lib.rs:620:5
[INFO] [stdout]     |
[INFO] [stdout] 620 |     async fn write_register(
[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] 620 ~     fn write_register(
[INFO] [stdout] 621 |         &mut self,
[INFO] [stdout] 622 |         register: Register,
[INFO] [stdout] 623 |         buf: u8,
[INFO] [stdout] 624 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + 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/lib.rs:627:5
[INFO] [stdout]     |
[INFO] [stdout] 627 |     async fn write_multiple_registers(
[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] 627 ~     fn write_multiple_registers(
[INFO] [stdout] 628 |         &mut self,
[INFO] [stdout] 629 |         buf: &mut [u8],
[INFO] [stdout] 630 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "4c958b7a6933fa0ea265d74b71582d9e2f0fb41da25d594b01bfb8991a9a186d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c958b7a6933fa0ea265d74b71582d9e2f0fb41da25d594b01bfb8991a9a186d", kill_on_drop: false }`
[INFO] [stdout] 4c958b7a6933fa0ea265d74b71582d9e2f0fb41da25d594b01bfb8991a9a186d
[INFO] checking adi-adxl355-async-0.2.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate adi-adxl355-async 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate adi-adxl355-async 0.2.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adi-adxl355-async 0.2.0
[INFO] finished tweaking crates.io crate adi-adxl355-async 0.2.0
[INFO] tweaked toml for crates.io crate adi-adxl355-async 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6339c1ef39bf0ff46f170ec6574f14991db19129d59053dd91bcdcebd8b0c01a
[INFO] running `Command { std: "docker" "start" "-a" "6339c1ef39bf0ff46f170ec6574f14991db19129d59053dd91bcdcebd8b0c01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6339c1ef39bf0ff46f170ec6574f14991db19129d59053dd91bcdcebd8b0c01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6339c1ef39bf0ff46f170ec6574f14991db19129d59053dd91bcdcebd8b0c01a", kill_on_drop: false }`
[INFO] [stdout] 6339c1ef39bf0ff46f170ec6574f14991db19129d59053dd91bcdcebd8b0c01a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60c8ab9e7a9e7979dc06be1678b6850da04bc9cbff9af3de21c22006df96188f
[INFO] running `Command { std: "docker" "start" "-a" "60c8ab9e7a9e7979dc06be1678b6850da04bc9cbff9af3de21c22006df96188f", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]     Checking adi-adxl355 v0.2.0
[INFO] [stderr]     Checking adi-adxl355-async v0.2.0 (/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:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(async_fn_in_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![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/lib.rs:609:5
[INFO] [stdout]     |
[INFO] [stdout] 609 |     async fn read_register(&mut self, register: Register)
[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] 609 ~     fn read_register(&mut self, register: Register)
[INFO] [stdout] 610 ~         -> impl std::future::Future<Output = Result<u8, Error<Self::ProtocolError>>> + 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/lib.rs:613:5
[INFO] [stdout]     |
[INFO] [stdout] 613 |     async fn read_multiple_registers(
[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] 613 ~     fn read_multiple_registers(
[INFO] [stdout] 614 |         &mut self,
[INFO] [stdout] 615 |         start_register: Register,
[INFO] [stdout] 616 |         buf: &mut [u8],
[INFO] [stdout] 617 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + 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/lib.rs:620:5
[INFO] [stdout]     |
[INFO] [stdout] 620 |     async fn write_register(
[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] 620 ~     fn write_register(
[INFO] [stdout] 621 |         &mut self,
[INFO] [stdout] 622 |         register: Register,
[INFO] [stdout] 623 |         buf: u8,
[INFO] [stdout] 624 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + 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/lib.rs:627:5
[INFO] [stdout]     |
[INFO] [stdout] 627 |     async fn write_multiple_registers(
[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] 627 ~     fn write_multiple_registers(
[INFO] [stdout] 628 |         &mut self,
[INFO] [stdout] 629 |         buf: &mut [u8],
[INFO] [stdout] 630 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + 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/lib.rs:609:5
[INFO] [stdout]     |
[INFO] [stdout] 609 |     async fn read_register(&mut self, register: Register)
[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] 609 ~     fn read_register(&mut self, register: Register)
[INFO] [stdout] 610 ~         -> impl std::future::Future<Output = Result<u8, Error<Self::ProtocolError>>> + 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/lib.rs:613:5
[INFO] [stdout]     |
[INFO] [stdout] 613 |     async fn read_multiple_registers(
[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] 613 ~     fn read_multiple_registers(
[INFO] [stdout] 614 |         &mut self,
[INFO] [stdout] 615 |         start_register: Register,
[INFO] [stdout] 616 |         buf: &mut [u8],
[INFO] [stdout] 617 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + 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/lib.rs:620:5
[INFO] [stdout]     |
[INFO] [stdout] 620 |     async fn write_register(
[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] 620 ~     fn write_register(
[INFO] [stdout] 621 |         &mut self,
[INFO] [stdout] 622 |         register: Register,
[INFO] [stdout] 623 |         buf: u8,
[INFO] [stdout] 624 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + 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/lib.rs:627:5
[INFO] [stdout]     |
[INFO] [stdout] 627 |     async fn write_multiple_registers(
[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] 627 ~     fn write_multiple_registers(
[INFO] [stdout] 628 |         &mut self,
[INFO] [stdout] 629 |         buf: &mut [u8],
[INFO] [stdout] 630 ~     ) -> impl std::future::Future<Output = Result<(), Error<Self::ProtocolError>>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "60c8ab9e7a9e7979dc06be1678b6850da04bc9cbff9af3de21c22006df96188f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c8ab9e7a9e7979dc06be1678b6850da04bc9cbff9af3de21c22006df96188f", kill_on_drop: false }`
[INFO] [stdout] 60c8ab9e7a9e7979dc06be1678b6850da04bc9cbff9af3de21c22006df96188f
