[INFO] fetching crate mqtt-endpoint-tokio 0.2.0...
[INFO] checking mqtt-endpoint-tokio-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate mqtt-endpoint-tokio 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mqtt-endpoint-tokio 0.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mqtt-endpoint-tokio 0.2.0
[INFO] tweaked toml for crates.io crate mqtt-endpoint-tokio 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mqtt-endpoint-tokio 0.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mqtt-endpoint-tokio 0.2.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 199923367ea270ef5baab1e99ca2895825a6e8372f9bb0a3b19995d55122e7c8
[INFO] running `Command { std: "docker" "start" "-a" "199923367ea270ef5baab1e99ca2895825a6e8372f9bb0a3b19995d55122e7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "199923367ea270ef5baab1e99ca2895825a6e8372f9bb0a3b19995d55122e7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199923367ea270ef5baab1e99ca2895825a6e8372f9bb0a3b19995d55122e7c8", kill_on_drop: false }`
[INFO] [stdout] 199923367ea270ef5baab1e99ca2895825a6e8372f9bb0a3b19995d55122e7c8
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc7ed52f34195e0932dba8d8a90de454eedb2033a2261f27e42617c1bdb2ed7e
[INFO] running `Command { std: "docker" "start" "-a" "bc7ed52f34195e0932dba8d8a90de454eedb2033a2261f27e42617c1bdb2ed7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling displaydoc v0.2.5
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[INFO] [stderr]     Checking num_enum v0.7.4
[INFO] [stderr]     Checking mqtt-protocol-core v0.3.0
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[INFO] [stderr]     Checking mqtt-endpoint-tokio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0275]: overflow evaluating the requirement `IoSlice<'_>: std::marker::Send`
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:220:33
[INFO] [stdout]      |
[INFO] [stdout]  220 |         let event_loop_handle = tokio::spawn(Self::request_event_loop(connection, rx_send));
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`mqtt_endpoint_tokio`)
[INFO] [stdout] note: required because it appears within the type `PhantomData<IoSlice<'_>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/marker.rs:822:12
[INFO] [stdout] note: required because it appears within the type `alloc::raw_vec::RawVec<IoSlice<'_>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/raw_vec/mod.rs:74:19
[INFO] [stdout] note: required because it appears within the type `Vec<IoSlice<'_>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/vec/mod.rs:434:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1071:7
[INFO] [stdout]      |
[INFO] [stdout] 1071 |       ) {
[INFO] [stdout]      |  _______^
[INFO] [stdout] 1072 | |         let mut pingreq_send_timer: Option<tokio::task::JoinHandle<()>> = None;
[INFO] [stdout] 1073 | |         let mut pingreq_recv_timer: Option<tokio::task::JoinHandle<()>> = None;
[INFO] [stdout] 1074 | |         let mut pingresp_recv_timer: Option<tokio::task::JoinHandle<()>> = None;
[INFO] [stdout] ...    |
[INFO] [stdout] 1359 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout] note: required by a bound in `tokio::spawn`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.46.1/src/task/spawn.rs:168:21
[INFO] [stdout]      |
[INFO] [stdout]  166 |     pub fn spawn<F>(future: F) -> JoinHandle<F::Output>
[INFO] [stdout]      |            ----- required by a bound in this function
[INFO] [stdout]  167 |     where
[INFO] [stdout]  168 |         F: Future + Send + 'static,
[INFO] [stdout]      |                     ^^^^ required by this bound in `spawn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0275`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt-endpoint-tokio` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0275]: overflow evaluating the requirement `IoSlice<'_>: std::marker::Send`
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:220:33
[INFO] [stdout]      |
[INFO] [stdout]  220 |         let event_loop_handle = tokio::spawn(Self::request_event_loop(connection, rx_send));
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`mqtt_endpoint_tokio`)
[INFO] [stdout] note: required because it appears within the type `PhantomData<IoSlice<'_>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/marker.rs:822:12
[INFO] [stdout] note: required because it appears within the type `alloc::raw_vec::RawVec<IoSlice<'_>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/raw_vec/mod.rs:74:19
[INFO] [stdout] note: required because it appears within the type `Vec<IoSlice<'_>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/vec/mod.rs:434:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      = note: required for `Unique<impl futures_util::Future<Output = Result<(), ConnectionError>>>` to implement `std::marker::Send`
[INFO] [stdout] note: required because it appears within the type `Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/alloc/src/boxed.rs:231:12
[INFO] [stdout] note: required because it appears within the type `Pin<Box<impl futures_util::Future<Output = Result<(), ConnectionError>>>>`
[INFO] [stdout]     --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/pin.rs:1094:12
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1430:5
[INFO] [stdout]      |
[INFO] [stdout] 1430 | /     {
[INFO] [stdout] 1431 | |         let (pingreq_send_timer, pingreq_recv_timer, pingresp_recv_timer) = timers;
[INFO] [stdout] 1432 | |         let mut first_error: Option<ConnectionError> = None;
[INFO] [stdout] 1433 | |         for event in events {
[INFO] [stdout] ...    |
[INFO] [stdout] 1548 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout] note: required because it's used within this `async` fn body
[INFO] [stdout]     --> src/mqtt_ep/endpoint.rs:1071:7
[INFO] [stdout]      |
[INFO] [stdout] 1071 |       ) {
[INFO] [stdout]      |  _______^
[INFO] [stdout] 1072 | |         let mut pingreq_send_timer: Option<tokio::task::JoinHandle<()>> = None;
[INFO] [stdout] 1073 | |         let mut pingreq_recv_timer: Option<tokio::task::JoinHandle<()>> = None;
[INFO] [stdout] 1074 | |         let mut pingresp_recv_timer: Option<tokio::task::JoinHandle<()>> = None;
[INFO] [stdout] ...    |
[INFO] [stdout] 1359 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout] note: required by a bound in `tokio::spawn`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.46.1/src/task/spawn.rs:168:21
[INFO] [stdout]      |
[INFO] [stdout]  166 |     pub fn spawn<F>(future: F) -> JoinHandle<F::Output>
[INFO] [stdout]      |            ----- required by a bound in this function
[INFO] [stdout]  167 |     where
[INFO] [stdout]  168 |         F: Future + Send + 'static,
[INFO] [stdout]      |                     ^^^^ required by this bound in `spawn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0275`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt-endpoint-tokio` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bc7ed52f34195e0932dba8d8a90de454eedb2033a2261f27e42617c1bdb2ed7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7ed52f34195e0932dba8d8a90de454eedb2033a2261f27e42617c1bdb2ed7e", kill_on_drop: false }`
[INFO] [stdout] bc7ed52f34195e0932dba8d8a90de454eedb2033a2261f27e42617c1bdb2ed7e