[INFO] fetching crate tokio-proto 0.1.1...
[INFO] building tokio-proto-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tokio-proto 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tokio-proto 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-proto 0.1.1
[INFO] finished tweaking crates.io crate tokio-proto 0.1.1
[INFO] tweaked toml for crates.io crate tokio-proto 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13f2920be05f684b1e0ef89d921d799bcce788a09ff6e729d9a26eebcbb88bae
[INFO] running `Command { std: "docker" "start" "-a" "13f2920be05f684b1e0ef89d921d799bcce788a09ff6e729d9a26eebcbb88bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13f2920be05f684b1e0ef89d921d799bcce788a09ff6e729d9a26eebcbb88bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f2920be05f684b1e0ef89d921d799bcce788a09ff6e729d9a26eebcbb88bae", kill_on_drop: false }`
[INFO] [stdout] 13f2920be05f684b1e0ef89d921d799bcce788a09ff6e729d9a26eebcbb88bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90de1ec4389b8ebd030dc4725c778ecedb74ebc6df4936d352ad2b9a7bed2eb9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "90de1ec4389b8ebd030dc4725c778ecedb74ebc6df4936d352ad2b9a7bed2eb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-proto v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "90de1ec4389b8ebd030dc4725c778ecedb74ebc6df4936d352ad2b9a7bed2eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90de1ec4389b8ebd030dc4725c778ecedb74ebc6df4936d352ad2b9a7bed2eb9", kill_on_drop: false }`
[INFO] [stdout] 90de1ec4389b8ebd030dc4725c778ecedb74ebc6df4936d352ad2b9a7bed2eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b5383ec09ae09be8b5d9455c8200c6f10483c0c6db7e178ebc903633807c3fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b5383ec09ae09be8b5d9455c8200c6f10483c0c6db7e178ebc903633807c3fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling tokio-proto v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]   --> tests/simple_client_proto.rs:14:41
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tokio_io::codec::{Encoder, Decoder, Framed};
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]   --> tests/simple_client_proto.rs:85:22
[INFO] [stdout]    |
[INFO] [stdout] 85 |     type Transport = Framed<T, IntCodec>;
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> tests/simple_framed.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use futures::BoxFuture;
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]   --> tests/simple_framed.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio_io::codec::{Encoder, Decoder, Framed};
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]   --> tests/simple_framed.rs:70:22
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type Transport = Framed<T, PipelineCodec>;
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]   --> tests/simple_framed.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |     type Transport = Framed<T, MultiplexCodec>;
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> tests/simple_framed.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 101 |     type Future = BoxFuture<Self::Response, io::Error>;
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]   --> tests/simple_client_proto.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |         Ok(io.framed(IntCodec))
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]   --> tests/simple_framed.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Ok(io.framed(PipelineCodec))
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]   --> tests/simple_framed.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 |         Ok(io.framed(MultiplexCodec))
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/test_pipeline_client.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:158:31
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub type MockBodyStream = Box<Stream<Item = u32, Error = io::Error> + Send>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = u32, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |           Box<Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 215 | |                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 216 | |                     Error = io::Error,
[INFO] [stdout] 217 | |                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 218 | |                                               io::Error>>>,
[INFO] [stdout]     | |_________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 ~         Box<dyn Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout] 215 +                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 216 +                     Error = io::Error,
[INFO] [stdout] 217 +                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 218 ~                                               io::Error>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |         Box<Any>)
[INFO] [stdout]     |             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:158:31
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub type MockBodyStream = Box<Stream<Item = u32, Error = io::Error> + Send>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = u32, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:246:78
[INFO] [stdout]     |
[INFO] [stdout] 246 |     -> (MockTransportCtl<pipeline::Frame<&'static str, u32, io::Error>>, Box<Any>)
[INFO] [stdout]     |                                                                              ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |           Box<Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 215 | |                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 216 | |                     Error = io::Error,
[INFO] [stdout] 217 | |                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 218 | |                                               io::Error>>>,
[INFO] [stdout]     | |_________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 ~         Box<dyn Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout] 215 +                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 216 +                     Error = io::Error,
[INFO] [stdout] 217 +                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 218 ~                                               io::Error>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |           Box<Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 275 | |                     Error = io::Error,
[INFO] [stdout] 276 | |                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 277 | |                                               io::Error>>>,
[INFO] [stdout]     | |_________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 ~         Box<dyn Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout] 274 +                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 275 +                     Error = io::Error,
[INFO] [stdout] 276 +                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 277 ~                                               io::Error>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |         Box<Any>)
[INFO] [stdout]     |             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         Box<Any>)
[INFO] [stdout]     |             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:246:78
[INFO] [stdout]     |
[INFO] [stdout] 246 |     -> (MockTransportCtl<pipeline::Frame<&'static str, u32, io::Error>>, Box<Any>)
[INFO] [stdout]     |                                                                              ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:305:79
[INFO] [stdout]     |
[INFO] [stdout] 305 |     -> (MockTransportCtl<multiplex::Frame<&'static str, u32, io::Error>>, Box<Any>)
[INFO] [stdout]     |                                                                               ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     inner: Box<Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |           Box<Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 275 | |                     Error = io::Error,
[INFO] [stdout] 276 | |                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 277 | |                                               io::Error>>>,
[INFO] [stdout]     | |_________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 ~         Box<dyn Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout] 274 +                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 275 +                     Error = io::Error,
[INFO] [stdout] 276 +                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 277 ~                                               io::Error>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     inner: Box<Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=U, Error=io::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         Box<Any>)
[INFO] [stdout]     |             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     type Future = Box<Future<Item=U, Error=io::Error> + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=U, Error=io::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:305:79
[INFO] [stdout]     |
[INFO] [stdout] 305 |     -> (MockTransportCtl<multiplex::Frame<&'static str, u32, io::Error>>, Box<Any>)
[INFO] [stdout]     |                                                                               ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     inner: Box<Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     inner: Box<Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=U, Error=io::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     type Future = Box<Future<Item=U, Error=io::Error> + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=U, Error=io::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/test_multiplex_client.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:158:31
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub type MockBodyStream = Box<Stream<Item = u32, Error = io::Error> + Send>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = u32, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |           Box<Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 215 | |                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 216 | |                     Error = io::Error,
[INFO] [stdout] 217 | |                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 218 | |                                               io::Error>>>,
[INFO] [stdout]     | |_________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 ~         Box<dyn Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout] 215 +                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 216 +                     Error = io::Error,
[INFO] [stdout] 217 +                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 218 ~                                               io::Error>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |         Box<Any>)
[INFO] [stdout]     |             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:246:78
[INFO] [stdout]     |
[INFO] [stdout] 246 |     -> (MockTransportCtl<pipeline::Frame<&'static str, u32, io::Error>>, Box<Any>)
[INFO] [stdout]     |                                                                              ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |           Box<Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 275 | |                     Error = io::Error,
[INFO] [stdout] 276 | |                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 277 | |                                               io::Error>>>,
[INFO] [stdout]     | |_________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 ~         Box<dyn Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout] 274 +                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 275 +                     Error = io::Error,
[INFO] [stdout] 276 +                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 277 ~                                               io::Error>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         Box<Any>)
[INFO] [stdout]     |             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:305:79
[INFO] [stdout]     |
[INFO] [stdout] 305 |     -> (MockTransportCtl<multiplex::Frame<&'static str, u32, io::Error>>, Box<Any>)
[INFO] [stdout]     |                                                                               ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     inner: Box<Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     inner: Box<Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=U, Error=io::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     type Future = Box<Future<Item=U, Error=io::Error> + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=U, Error=io::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/test_multiplex_server.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:158:31
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub type MockBodyStream = Box<Stream<Item = u32, Error = io::Error> + Send>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = u32, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |           Box<Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 215 | |                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 216 | |                     Error = io::Error,
[INFO] [stdout] 217 | |                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 218 | |                                               io::Error>>>,
[INFO] [stdout]     | |_________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 ~         Box<dyn Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout] 215 +                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 216 +                     Error = io::Error,
[INFO] [stdout] 217 +                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 218 ~                                               io::Error>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |         Box<Any>)
[INFO] [stdout]     |             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:246:78
[INFO] [stdout]     |
[INFO] [stdout] 246 |     -> (MockTransportCtl<pipeline::Frame<&'static str, u32, io::Error>>, Box<Any>)
[INFO] [stdout]     |                                                                              ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |           Box<Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 275 | |                     Error = io::Error,
[INFO] [stdout] 276 | |                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 277 | |                                               io::Error>>>,
[INFO] [stdout]     | |_________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 ~         Box<dyn Service<Request = Message<&'static str, MockBodyStream>,
[INFO] [stdout] 274 +                     Response = Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 275 +                     Error = io::Error,
[INFO] [stdout] 276 +                     Future = Response<Message<&'static str, Body<u32, io::Error>>,
[INFO] [stdout] 277 ~                                               io::Error>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         Box<Any>)
[INFO] [stdout]     |             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/support/mock.rs:305:79
[INFO] [stdout]     |
[INFO] [stdout] 305 |     -> (MockTransportCtl<multiplex::Frame<&'static str, u32, io::Error>>, Box<Any>)
[INFO] [stdout]     |                                                                               ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     inner: Box<Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     inner: Box<Fn(T) -> Box<Future<Item=U, Error=io::Error> + Send> + Send>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=U, Error=io::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/support/service.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     type Future = Box<Future<Item=U, Error=io::Error> + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=U, Error=io::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> tests/test_multiplex_server.rs:275:20
[INFO] [stdout]     |
[INFO] [stdout] 275 |         c.complete((Ok(Message::WithoutBody("zomg"))));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "8b5383ec09ae09be8b5d9455c8200c6f10483c0c6db7e178ebc903633807c3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5383ec09ae09be8b5d9455c8200c6f10483c0c6db7e178ebc903633807c3fa", kill_on_drop: false }`
[INFO] [stdout] 8b5383ec09ae09be8b5d9455c8200c6f10483c0c6db7e178ebc903633807c3fa