[INFO] fetching crate msg_channel 0.1.0-beat.3...
[INFO] checking msg_channel-0.1.0-beat.3 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate msg_channel 0.1.0-beat.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate msg_channel 0.1.0-beat.3 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate msg_channel 0.1.0-beat.3
[INFO] finished tweaking crates.io crate msg_channel 0.1.0-beat.3
[INFO] tweaked toml for crates.io crate msg_channel 0.1.0-beat.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate msg_channel 0.1.0-beat.3 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59aa9cec7ca1aa81ef4b610662d821ea835ed92de020c4c2f10572fb2abb38f0
[INFO] running `Command { std: "docker" "start" "-a" "59aa9cec7ca1aa81ef4b610662d821ea835ed92de020c4c2f10572fb2abb38f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59aa9cec7ca1aa81ef4b610662d821ea835ed92de020c4c2f10572fb2abb38f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59aa9cec7ca1aa81ef4b610662d821ea835ed92de020c4c2f10572fb2abb38f0", kill_on_drop: false }`
[INFO] [stdout] 59aa9cec7ca1aa81ef4b610662d821ea835ed92de020c4c2f10572fb2abb38f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62cf798538f87f7a126af493bc4f39b23ac75c645f7d8c8a57ab17fff55321d6
[INFO] running `Command { std: "docker" "start" "-a" "62cf798538f87f7a126af493bc4f39b23ac75c645f7d8c8a57ab17fff55321d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.91
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking force-send-sync v1.1.0
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling msg_channel_macro v0.1.0-beat.3
[INFO] [stderr]     Checking color-eyre v0.6.3
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking msg_channel_core v0.1.0-beat.3
[INFO] [stderr]     Checking msg_channel v0.1.0-beat.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `MsgHandler: msg_channel::HandleReplay<msg_channel::MessageSetItem<TestMsgSet>>` is not satisfied
[INFO] [stdout]    --> examples/playground.rs:122:24
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Ok(self.x.send(_msg.0)?.await)
[INFO] [stdout]     |                   ---- ^^^^^^ the trait `msg_channel::HandleReplay<msg_channel::MessageSetItem<TestMsgSet>>` is not implemented for `MsgHandler`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `msg_channel::HandleReplay<M>`:
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncConcurrentMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncConcurrentMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncMsg>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncConcurrentMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncConcurrentMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<TestMsgSetAsyncConcurrentVariant>`
[INFO] [stdout]             and 3 others
[INFO] [stdout] note: required by a bound in `msg_channel::MessageSetSender::<MS>::send`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/msg_channel_core-0.1.0-beat.3/src/message_set.rs:81:22
[INFO] [stdout]     |
[INFO] [stdout] 69  |     pub fn send<M>(
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 81  |         MS::Handler: HandleReplay<M>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ required by this bound in `MessageSetSender::<MS>::send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `MsgHandler: msg_channel::HandleReplay<msg_channel::MessageSetItem<TestMsgSet>>` is not satisfied
[INFO] [stdout]    --> examples/playground.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Ok(self.x.send(_msg.0)?.await)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ the trait `msg_channel::HandleReplay<msg_channel::MessageSetItem<TestMsgSet>>` is not implemented for `MsgHandler`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `msg_channel::HandleReplay<M>`:
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncConcurrentMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncConcurrentMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncMsg>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncConcurrentMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncConcurrentMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<TestMsgSetAsyncConcurrentVariant>`
[INFO] [stdout]             and 3 others
[INFO] [stdout] note: required by a bound in `msg_channel::MessageSetSender::<MS>::send`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/msg_channel_core-0.1.0-beat.3/src/message_set.rs:81:22
[INFO] [stdout]     |
[INFO] [stdout] 69  |     pub fn send<M>(
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 81  |         MS::Handler: HandleReplay<M>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ required by this bound in `MessageSetSender::<MS>::send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `MsgHandler: msg_channel::HandleReplay<msg_channel::MessageSetItem<TestMsgSet>>` is not satisfied
[INFO] [stdout]    --> examples/playground.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Ok(self.x.send(_msg.0)?.await)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^ the trait `msg_channel::HandleReplay<msg_channel::MessageSetItem<TestMsgSet>>` is not implemented for `MsgHandler`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `msg_channel::HandleReplay<M>`:
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncConcurrentMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncConcurrentMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncMsg>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncConcurrentMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncConcurrentMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<TestMsgSetAsyncConcurrentVariant>`
[INFO] [stdout]             and 3 others
[INFO] [stdout] note: required by a bound in `msg_channel::MessageSetSender::<MS>::send`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/msg_channel_core-0.1.0-beat.3/src/message_set.rs:81:22
[INFO] [stdout]     |
[INFO] [stdout] 69  |     pub fn send<M>(
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 81  |         MS::Handler: HandleReplay<M>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ required by this bound in `MessageSetSender::<MS>::send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `MsgHandler: msg_channel::HandleReplay<msg_channel::MessageSetItem<TestMsgSet>>` is not satisfied
[INFO] [stdout]    --> examples/playground.rs:122:33
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Ok(self.x.send(_msg.0)?.await)
[INFO] [stdout]     |                                 ^^^^^ the trait `msg_channel::HandleReplay<msg_channel::MessageSetItem<TestMsgSet>>` is not implemented for `MsgHandler`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `msg_channel::HandleReplay<M>`:
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncConcurrentMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncConcurrentMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<AsyncMsg>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncConcurrentMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncConcurrentMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncMsgA>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<SyncMsgB>`
[INFO] [stdout]               `MsgHandler` implements `msg_channel::HandleReplay<TestMsgSetAsyncConcurrentVariant>`
[INFO] [stdout]             and 3 others
[INFO] [stdout] note: required by a bound in `msg_channel::MessageSetSender::<MS>::send`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/msg_channel_core-0.1.0-beat.3/src/message_set.rs:81:22
[INFO] [stdout]     |
[INFO] [stdout] 69  |     pub fn send<M>(
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 81  |         MS::Handler: HandleReplay<M>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ required by this bound in `MessageSetSender::<MS>::send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]  --> examples/playground.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `msg_channel` (example "playground") due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "62cf798538f87f7a126af493bc4f39b23ac75c645f7d8c8a57ab17fff55321d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cf798538f87f7a126af493bc4f39b23ac75c645f7d8c8a57ab17fff55321d6", kill_on_drop: false }`
[INFO] [stdout] 62cf798538f87f7a126af493bc4f39b23ac75c645f7d8c8a57ab17fff55321d6
