[INFO] cloning repository https://github.com/agend/tower-grpc-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agend/tower-grpc-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagend%2Ftower-grpc-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagend%2Ftower-grpc-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5aaeacca4aec947b0a3493836b2316b7b28c2c5
[INFO] testing agend/tower-grpc-bench against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagend%2Ftower-grpc-bench" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agend/tower-grpc-bench on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agend/tower-grpc-bench
[INFO] finished tweaking git repo https://github.com/agend/tower-grpc-bench
[INFO] tweaked toml for git repo https://github.com/agend/tower-grpc-bench written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/agend/tower-grpc-bench 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower-h2`
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[INFO] [stderr]     Updating git repository `https://github.com/carllerche/tokio-connect`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/codegen`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af88ec025c8b061cbdbabe442cc181e6bd0743ea8287288930ffb2c2cc08485c
[INFO] running `Command { std: "docker" "start" "-a" "af88ec025c8b061cbdbabe442cc181e6bd0743ea8287288930ffb2c2cc08485c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af88ec025c8b061cbdbabe442cc181e6bd0743ea8287288930ffb2c2cc08485c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af88ec025c8b061cbdbabe442cc181e6bd0743ea8287288930ffb2c2cc08485c", kill_on_drop: false }`
[INFO] [stdout] af88ec025c8b061cbdbabe442cc181e6bd0743ea8287288930ffb2c2cc08485c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8af39e5cc91d8081dfa85955be368eab216e8f7cff8e8e167c424f562cdf36d7
[INFO] running `Command { std: "docker" "start" "-a" "8af39e5cc91d8081dfa85955be368eab216e8f7cff8e8e167c424f562cdf36d7", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tower-timeout v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]    Compiling tower-rate-limit v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
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[INFO] [stderr]    Compiling tower-load-shed v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]    Compiling tower-filter v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]    Compiling codegen v0.1.1 (https://github.com/carllerche/codegen#87e270f7)
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[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-connect v0.1.0 (https://github.com/carllerche/tokio-connect#f7ad1ca4)
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[INFO] [stderr]    Compiling tokio-udp v0.1.3
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[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling tower-h2 v0.1.0 (https://github.com/tower-rs/tower-h2#ac7ea5bd)
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling tower-add-origin v0.1.0 (https://github.com/tower-rs/tower-http#6d7a9fdc)
[INFO] [stderr]    Compiling tokio v0.1.18
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling tower-grpc v0.1.0 (https://github.com/tower-rs/tower-grpc#979567f3)
[INFO] [stderr]    Compiling tower-grpc-build v0.1.0 (https://github.com/tower-rs/tower-grpc#979567f3)
[INFO] [stderr]    Compiling tower-grpc-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FutureResult`
[INFO] [stdout]   --> src/helloworld/client.rs:14:38
[INFO] [stdout]    |
[INFO] [stdout] 14 | use futures::future::{loop_fn, Loop, FutureResult};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Async`
[INFO] [stdout]   --> src/helloworld/client.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 | use futures::{Future, Poll, Async};
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::executor::DefaultExecutor`
[INFO] [stdout]   --> src/helloworld/client.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio::executor::DefaultExecutor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ConnectFuture`
[INFO] [stdout]   --> src/helloworld/client.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | use tokio::net::tcp::{ConnectFuture, TcpStream};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/helloworld/client.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type Future = Box<Future<Item=TcpStream, Error=::std::io::Error> + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type Future = Box<dyn Future<Item=TcpStream, Error=::std::io::Error> + Send>;
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/helloworld/server.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn say_hello(&mut self, request: Request<HelloRequest>) -> Self::SayHelloFuture {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.92s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8af39e5cc91d8081dfa85955be368eab216e8f7cff8e8e167c424f562cdf36d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af39e5cc91d8081dfa85955be368eab216e8f7cff8e8e167c424f562cdf36d7", kill_on_drop: false }`
[INFO] [stdout] 8af39e5cc91d8081dfa85955be368eab216e8f7cff8e8e167c424f562cdf36d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44097fa33dcc081bc5dace764c8944f8382c7a0a6d7c5b651412da4992734d2c
[INFO] running `Command { std: "docker" "start" "-a" "44097fa33dcc081bc5dace764c8944f8382c7a0a6d7c5b651412da4992734d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-grpc-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FutureResult`
[INFO] [stdout]   --> src/helloworld/client.rs:14:38
[INFO] [stdout]    |
[INFO] [stdout] 14 | use futures::future::{loop_fn, Loop, FutureResult};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Async`
[INFO] [stdout]   --> src/helloworld/client.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 | use futures::{Future, Poll, Async};
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::executor::DefaultExecutor`
[INFO] [stdout]   --> src/helloworld/client.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio::executor::DefaultExecutor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ConnectFuture`
[INFO] [stdout]   --> src/helloworld/client.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | use tokio::net::tcp::{ConnectFuture, TcpStream};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/helloworld/client.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type Future = Box<Future<Item=TcpStream, Error=::std::io::Error> + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type Future = Box<dyn Future<Item=TcpStream, Error=::std::io::Error> + Send>;
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/helloworld/server.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn say_hello(&mut self, request: Request<HelloRequest>) -> Self::SayHelloFuture {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "44097fa33dcc081bc5dace764c8944f8382c7a0a6d7c5b651412da4992734d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44097fa33dcc081bc5dace764c8944f8382c7a0a6d7c5b651412da4992734d2c", kill_on_drop: false }`
[INFO] [stdout] 44097fa33dcc081bc5dace764c8944f8382c7a0a6d7c5b651412da4992734d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50137addeccda0ed2951cbcbafabb2c53a925078a365d0b2f43c0b559daf385f
[INFO] running `Command { std: "docker" "start" "-a" "50137addeccda0ed2951cbcbafabb2c53a925078a365d0b2f43c0b559daf385f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/helloworld/server.rs:29:29
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 29 |     fn say_hello(&mut self, request: Request<HelloRequest>) -> Self::SayHelloFuture {
[INFO] [stdout] 
[INFO] [stderr]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FutureResult`
[INFO] [stderr]   --> src/helloworld/client.rs:14:38
[INFO] [stderr]    |
[INFO] [stderr] 14 | use futures::future::{loop_fn, Loop, FutureResult};
[INFO] [stderr]    |                                      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Async`
[INFO] [stderr]   --> src/helloworld/client.rs:16:29
[INFO] [stderr]    |
[INFO] [stderr] 16 | use futures::{Future, Poll, Async};
[INFO] [stderr]    |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::executor::DefaultExecutor`
[INFO] [stderr]   --> src/helloworld/client.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use tokio::executor::DefaultExecutor;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ConnectFuture`
[INFO] [stderr]   --> src/helloworld/client.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 | use tokio::net::tcp::{ConnectFuture, TcpStream};
[INFO] [stderr]    |                       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/helloworld/client.rs:70:23
[INFO] [stderr]    |
[INFO] [stderr] 70 |     type Future = Box<Future<Item=TcpStream, Error=::std::io::Error> + Send>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 70 |     type Future = Box<dyn Future<Item=TcpStream, Error=::std::io::Error> + Send>;
[INFO] [stderr]    |                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `tower-grpc-bench` (bin "server" test) generated 1 warning (run `cargo fix --bin "server" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `tower-grpc-bench` (bin "client" test) generated 5 warnings (run `cargo fix --bin "client" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/helloworld/client.rs (/opt/rustwide/target/debug/deps/client-566bcd14e2855da8)
[INFO] [stderr]      Running unittests src/helloworld/server.rs (/opt/rustwide/target/debug/deps/server-2ddb16316ee9b4ea)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "50137addeccda0ed2951cbcbafabb2c53a925078a365d0b2f43c0b559daf385f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50137addeccda0ed2951cbcbafabb2c53a925078a365d0b2f43c0b559daf385f", kill_on_drop: false }`
[INFO] [stdout] 50137addeccda0ed2951cbcbafabb2c53a925078a365d0b2f43c0b559daf385f
