[INFO] fetching crate messagebus 0.12.1...
[INFO] checking messagebus-0.12.1 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate messagebus 0.12.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate messagebus 0.12.1 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate messagebus 0.12.1
[INFO] finished tweaking crates.io crate messagebus 0.12.1
[INFO] tweaked toml for crates.io crate messagebus 0.12.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate messagebus 0.12.1 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc1974f71546a14f0f8d80c234dec782ac9fb7b09dc5589f5feff252e31e4f12
[INFO] running `Command { std: "docker" "start" "-a" "dc1974f71546a14f0f8d80c234dec782ac9fb7b09dc5589f5feff252e31e4f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc1974f71546a14f0f8d80c234dec782ac9fb7b09dc5589f5feff252e31e4f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1974f71546a14f0f8d80c234dec782ac9fb7b09dc5589f5feff252e31e4f12", kill_on_drop: false }`
[INFO] [stdout] dc1974f71546a14f0f8d80c234dec782ac9fb7b09dc5589f5feff252e31e4f12
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 928b6b379a053d2c72ad5d973c5d10022f56928ed29443f2e9dfc703e5525de4
[INFO] running `Command { std: "docker" "start" "-a" "928b6b379a053d2c72ad5d973c5d10022f56928ed29443f2e9dfc703e5525de4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling erased-serde v0.3.25
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking segvec v0.1.5
[INFO] [stderr]     Checking waker-fn v1.1.0
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[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
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[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling tokio-macros v2.0.0
[INFO] [stderr]    Compiling ctxerr_derive v0.5.1
[INFO] [stderr]    Compiling messagebus_derive v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking ctxerr v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-util v0.7.7
[INFO] [stderr]     Checking messagebus v0.12.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:94:24
[INFO] [stdout]    |
[INFO] [stdout] 94 |     type SendFut<'a> = impl Future<Output = Result<TaskHandler, Error>> + Send + 'a;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |     type RequestFut<'a> = impl Future<Output = Result<R, Error>> + Send + 'a;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |     type ResultFut<'a> = impl Future<Output = Result<R, Error>> + Send + 'a;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:97:27
[INFO] [stdout]    |
[INFO] [stdout] 97 |     type ProcessFut<'a> = impl Future<Output = Result<(), Error>> + Send + 'a;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/producer.rs:175:28
[INFO] [stdout]     |
[INFO] [stdout] 175 |     type CloseFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/producer.rs:176:28
[INFO] [stdout]     |
[INFO] [stdout] 176 |     type FlushFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:187:27
[INFO] [stdout]     |
[INFO] [stdout] 187 |     type InitFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |     type CloseFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:189:28
[INFO] [stdout]     |
[INFO] [stdout] 189 |     type FlushFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receivers/spawner.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     type InitFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receivers/spawner.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type CloseFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receivers/spawner.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |     type FlushFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:94:24
[INFO] [stdout]    |
[INFO] [stdout] 94 |     type SendFut<'a> = impl Future<Output = Result<TaskHandler, Error>> + Send + 'a;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |     type RequestFut<'a> = impl Future<Output = Result<R, Error>> + Send + 'a;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |     type ResultFut<'a> = impl Future<Output = Result<R, Error>> + Send + 'a;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:97:27
[INFO] [stdout]    |
[INFO] [stdout] 97 |     type ProcessFut<'a> = impl Future<Output = Result<(), Error>> + Send + 'a;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/producer.rs:175:28
[INFO] [stdout]     |
[INFO] [stdout] 175 |     type CloseFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/producer.rs:176:28
[INFO] [stdout]     |
[INFO] [stdout] 176 |     type FlushFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/producer.rs:303:33
[INFO] [stdout]     |
[INFO] [stdout] 303 |         type HandleFuture<'a> = impl Future<Output = Result<Self::Response, Error>> + 'a;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/producer.rs:336:33
[INFO] [stdout]     |
[INFO] [stdout] 336 |         type HandleFuture<'a> = impl Future<Output = Result<Self::Response, Error>> + 'a;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:187:27
[INFO] [stdout]     |
[INFO] [stdout] 187 |     type InitFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |     type CloseFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:189:28
[INFO] [stdout]     |
[INFO] [stdout] 189 |     type FlushFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:398:33
[INFO] [stdout]     |
[INFO] [stdout] 398 |         type HandleFuture<'a> = impl Future<Output = Result<Self::Response, Error>> + 'a;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:399:32
[INFO] [stdout]     |
[INFO] [stdout] 399 |         type FlushFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:400:32
[INFO] [stdout]     |
[INFO] [stdout] 400 |         type CloseFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receivers/spawner.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     type InitFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receivers/spawner.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type CloseFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receivers/spawner.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |     type FlushFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/wrapper.rs:197:33
[INFO] [stdout]     |
[INFO] [stdout] 197 |         type HandleFuture<'a> = impl Future<Output = Result<Self::Response, Error>> + 'a;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/wrapper.rs:230:33
[INFO] [stdout]     |
[INFO] [stdout] 230 |         type HandleFuture<'a> = impl Future<Output = Result<Self::Response, Error>> + 'a;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]    --> src/receivers/queue.rs:202:20
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn init(&self, bus: &Bus) -> Self::InitFuture<'_> {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]    --> src/receivers/queue.rs:197:21
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn flush(&self, bus: &Bus) -> Self::FlushFuture<'_> {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/receivers/spawner.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn init(&self, bus: &Bus) -> Self::InitFuture<'_> {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/receivers/spawner.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn flush(&self, bus: &Bus) -> Self::FlushFuture<'_> {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `messagebus` (lib) due to 13 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]    --> src/receivers/queue.rs:202:20
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn init(&self, bus: &Bus) -> Self::InitFuture<'_> {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]    --> src/receivers/queue.rs:197:21
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn flush(&self, bus: &Bus) -> Self::FlushFuture<'_> {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/receivers/spawner.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn init(&self, bus: &Bus) -> Self::InitFuture<'_> {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/receivers/spawner.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn flush(&self, bus: &Bus) -> Self::FlushFuture<'_> {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 19 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `messagebus` (lib test) due to 20 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "928b6b379a053d2c72ad5d973c5d10022f56928ed29443f2e9dfc703e5525de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928b6b379a053d2c72ad5d973c5d10022f56928ed29443f2e9dfc703e5525de4", kill_on_drop: false }`
[INFO] [stdout] 928b6b379a053d2c72ad5d973c5d10022f56928ed29443f2e9dfc703e5525de4
