[INFO] fetching crate rsiot-component-core 0.0.16...
[INFO] checking rsiot-component-core-0.0.16 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rsiot-component-core 0.0.16 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rsiot-component-core 0.0.16 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsiot-component-core 0.0.16
[INFO] finished tweaking crates.io crate rsiot-component-core 0.0.16
[INFO] tweaked toml for crates.io crate rsiot-component-core 0.0.16 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rsiot-component-core 0.0.16 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rsiot-messages-core v0.0.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77108cff8c5c90e75aa52214ba61dc9f42e3d9a0a0a89b4bef4eb46777aae02b
[INFO] running `Command { std: "docker" "start" "-a" "77108cff8c5c90e75aa52214ba61dc9f42e3d9a0a0a89b4bef4eb46777aae02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77108cff8c5c90e75aa52214ba61dc9f42e3d9a0a0a89b4bef4eb46777aae02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77108cff8c5c90e75aa52214ba61dc9f42e3d9a0a0a89b4bef4eb46777aae02b", kill_on_drop: false }`
[INFO] [stdout] 77108cff8c5c90e75aa52214ba61dc9f42e3d9a0a0a89b4bef4eb46777aae02b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8377a20d976856cdbb9e848254e0693bb2aa5ed9f7e3dab9920ee68c722682fe
[INFO] running `Command { std: "docker" "start" "-a" "8377a20d976856cdbb9e848254e0693bb2aa5ed9f7e3dab9920ee68c722682fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking rsiot-messages-core v0.0.16
[INFO] [stderr]     Checking rsiot-component-core v0.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "8377a20d976856cdbb9e848254e0693bb2aa5ed9f7e3dab9920ee68c722682fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8377a20d976856cdbb9e848254e0693bb2aa5ed9f7e3dab9920ee68c722682fe", kill_on_drop: false }`
[INFO] [stdout] 8377a20d976856cdbb9e848254e0693bb2aa5ed9f7e3dab9920ee68c722682fe
[INFO] checking rsiot-component-core-0.0.16 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate rsiot-component-core 0.0.16 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rsiot-component-core 0.0.16 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsiot-component-core 0.0.16
[INFO] finished tweaking crates.io crate rsiot-component-core 0.0.16
[INFO] tweaked toml for crates.io crate rsiot-component-core 0.0.16 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate rsiot-component-core 0.0.16 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce424ac3c56ea5b9921f3e2129331ada1232899fda3bda56630e4c6642ae2499
[INFO] running `Command { std: "docker" "start" "-a" "ce424ac3c56ea5b9921f3e2129331ada1232899fda3bda56630e4c6642ae2499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce424ac3c56ea5b9921f3e2129331ada1232899fda3bda56630e4c6642ae2499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce424ac3c56ea5b9921f3e2129331ada1232899fda3bda56630e4c6642ae2499", kill_on_drop: false }`
[INFO] [stdout] ce424ac3c56ea5b9921f3e2129331ada1232899fda3bda56630e4c6642ae2499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aff1a3ec6b1f167a40dea45483dbd9c8e536da2be86699239b47b061c07a7b5e
[INFO] running `Command { std: "docker" "start" "-a" "aff1a3ec6b1f167a40dea45483dbd9c8e536da2be86699239b47b061c07a7b5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking rsiot-messages-core v0.0.16
[INFO] [stderr]     Checking rsiot-component-core v0.0.16 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed for `tokio::task::JoinHandle<_>`
[INFO] [stdout]    --> examples/component_mpsc_to_many_mpsc.rs:33:9
[INFO] [stdout]     |
[INFO] [stdout] 33  |       let _source_task = spawn(async move {
[INFO] [stdout]     |  _________^^^^^^^^^^^^___-
[INFO] [stdout] 34  | |         loop {
[INFO] [stdout] 35  | |             let msg = Message::Message0(counter);
[INFO] [stdout] 36  | |             counter += 1.0;
[INFO] [stdout] ...   |
[INFO] [stdout] 39  | |         }
[INFO] [stdout] 40  | |     });
[INFO] [stdout]     | |______- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `tokio::spawn`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.34.0/src/task/spawn.rs:167:20
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn spawn<F>(future: F) -> JoinHandle<F::Output>
[INFO] [stdout]     |            ----- required by a bound in this function
[INFO] [stdout] ...
[INFO] [stdout] 167 |         F::Output: Send + 'static,
[INFO] [stdout]     |                    ^^^^ required by this bound in `spawn`
[INFO] [stdout] help: consider giving `_source_task` an explicit type, where the placeholders `_` are specified
[INFO] [stdout]     |
[INFO] [stdout] 33  |     let _source_task: tokio::task::JoinHandle<_> = spawn(async move {
[INFO] [stdout]     |                     ++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsiot-component-core` (example "component_mpsc_to_many_mpsc") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "aff1a3ec6b1f167a40dea45483dbd9c8e536da2be86699239b47b061c07a7b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff1a3ec6b1f167a40dea45483dbd9c8e536da2be86699239b47b061c07a7b5e", kill_on_drop: false }`
[INFO] [stdout] aff1a3ec6b1f167a40dea45483dbd9c8e536da2be86699239b47b061c07a7b5e