[INFO] cloning repository https://github.com/JacobSandin/improxy-js
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JacobSandin/improxy-js" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacobSandin%2Fimproxy-js", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacobSandin%2Fimproxy-js'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2164607bfacc15c7ebec3865eab23a3f0e09625
[INFO] testing JacobSandin/improxy-js against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacobSandin%2Fimproxy-js" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JacobSandin/improxy-js
[INFO] finished tweaking git repo https://github.com/JacobSandin/improxy-js
[INFO] tweaked toml for git repo https://github.com/JacobSandin/improxy-js written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JacobSandin/improxy-js on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cache_plugin v0.1.0 (/opt/rustwide/workdir/cache_plugin)
[INFO] [stderr]    Compiling sni_proxy v0.0.5 (/opt/rustwide/workdir/sni_proxy)
[INFO] [stderr]    Compiling cert_plugin_mariadb v0.1.0 (/opt/rustwide/workdir/cert_plugin_sni_mariadb)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:803:17
[INFO] [stdout]     |
[INFO] [stdout] 803 |                 &self.send_to_client.push_back(self.buf_client.clone());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 803 |                 let _ = &self.send_to_client.push_back(self.buf_client.clone());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:804:17
[INFO] [stdout]     |
[INFO] [stdout] 804 |                 &self.buf_client.clear();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 804 |                 let _ = &self.buf_client.clear();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:889:25
[INFO] [stdout]     |
[INFO] [stdout] 889 |                         &self.buf_forward.clear();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 889 |                         let _ = &self.buf_forward.clear();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:891:25
[INFO] [stdout]     |
[INFO] [stdout] 891 |                         &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 891 |                         let _ = &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:892:25
[INFO] [stdout]     |
[INFO] [stdout] 892 |                         &self.buf_forward.clear();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 892 |                         let _ = &self.buf_forward.clear();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:915:25
[INFO] [stdout]     |
[INFO] [stdout] 915 |                         &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 915 |                         let _ = &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:916:25
[INFO] [stdout]     |
[INFO] [stdout] 916 |                         &self.buf_forward.clear();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 916 |                         let _ = &self.buf_forward.clear();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:919:25
[INFO] [stdout]     |
[INFO] [stdout] 919 |                         &self.buf_forward.clear();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 919 |                         let _ = &self.buf_forward.clear();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> sni_proxy/src/connection_source.rs:1019:13
[INFO] [stdout]      |
[INFO] [stdout] 1019 |             drop(self.forward_stream.as_ref().unwrap());
[INFO] [stdout]      |             ^^^^^-------------------------------------^
[INFO] [stdout]      |                  |
[INFO] [stdout]      |                  argument has type `&mio::net::TcpStream`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1019 -             drop(self.forward_stream.as_ref().unwrap());
[INFO] [stdout] 1019 +             let _ = self.forward_stream.as_ref().unwrap();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> sni_proxy/src/connection_source.rs:1022:9
[INFO] [stdout]      |
[INFO] [stdout] 1022 |         drop(&self.server_stream);
[INFO] [stdout]      |         ^^^^^-------------------^
[INFO] [stdout]      |              |
[INFO] [stdout]      |              argument has type `&mio::net::TcpStream`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1022 -         drop(&self.server_stream);
[INFO] [stdout] 1022 +         let _ = &self.server_stream;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling cache_iterator v0.1.0 (/opt/rustwide/workdir/cache_iterator)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.29s
[INFO] running `Command { std: "docker" "inspect" "ab450bce66a3b3bbea8e2178c84a368a445e9d8b30da95cd5d54e2c2ce48a4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab450bce66a3b3bbea8e2178c84a368a445e9d8b30da95cd5d54e2c2ce48a4c7", kill_on_drop: false }`
[INFO] [stdout] ab450bce66a3b3bbea8e2178c84a368a445e9d8b30da95cd5d54e2c2ce48a4c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f53c8ace2a39b772a6067302fcccafead7175857c4870ea15afab37f68783cb
[INFO] running `Command { std: "docker" "start" "-a" "5f53c8ace2a39b772a6067302fcccafead7175857c4870ea15afab37f68783cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache_plugin v0.1.0 (/opt/rustwide/workdir/cache_plugin)
[INFO] [stderr]    Compiling interfaces v0.1.0 (/opt/rustwide/workdir/interfaces)
[INFO] [stderr]    Compiling cert_plugin_mariadb v0.1.0 (/opt/rustwide/workdir/cert_plugin_sni_mariadb)
[INFO] [stderr]    Compiling sni_proxy v0.0.5 (/opt/rustwide/workdir/sni_proxy)
[INFO] [stderr]    Compiling cache_iterator v0.1.0 (/opt/rustwide/workdir/cache_iterator)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:803:17
[INFO] [stdout]     |
[INFO] [stdout] 803 |                 &self.send_to_client.push_back(self.buf_client.clone());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 803 |                 let _ = &self.send_to_client.push_back(self.buf_client.clone());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:804:17
[INFO] [stdout]     |
[INFO] [stdout] 804 |                 &self.buf_client.clear();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 804 |                 let _ = &self.buf_client.clear();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:889:25
[INFO] [stdout]     |
[INFO] [stdout] 889 |                         &self.buf_forward.clear();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 889 |                         let _ = &self.buf_forward.clear();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:891:25
[INFO] [stdout]     |
[INFO] [stdout] 891 |                         &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 891 |                         let _ = &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:892:25
[INFO] [stdout]     |
[INFO] [stdout] 892 |                         &self.buf_forward.clear();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 892 |                         let _ = &self.buf_forward.clear();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:915:25
[INFO] [stdout]     |
[INFO] [stdout] 915 |                         &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 915 |                         let _ = &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:916:25
[INFO] [stdout]     |
[INFO] [stdout] 916 |                         &self.buf_forward.clear();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 916 |                         let _ = &self.buf_forward.clear();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> sni_proxy/src/connection_source.rs:919:25
[INFO] [stdout]     |
[INFO] [stdout] 919 |                         &self.buf_forward.clear();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 919 |                         let _ = &self.buf_forward.clear();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> sni_proxy/src/connection_source.rs:1019:13
[INFO] [stdout]      |
[INFO] [stdout] 1019 |             drop(self.forward_stream.as_ref().unwrap());
[INFO] [stdout]      |             ^^^^^-------------------------------------^
[INFO] [stdout]      |                  |
[INFO] [stdout]      |                  argument has type `&mio::net::TcpStream`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1019 -             drop(self.forward_stream.as_ref().unwrap());
[INFO] [stdout] 1019 +             let _ = self.forward_stream.as_ref().unwrap();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> sni_proxy/src/connection_source.rs:1022:9
[INFO] [stdout]      |
[INFO] [stdout] 1022 |         drop(&self.server_stream);
[INFO] [stdout]      |         ^^^^^-------------------^
[INFO] [stdout]      |              |
[INFO] [stdout]      |              argument has type `&mio::net::TcpStream`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1022 -         drop(&self.server_stream);
[INFO] [stdout] 1022 +         let _ = &self.server_stream;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "5f53c8ace2a39b772a6067302fcccafead7175857c4870ea15afab37f68783cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f53c8ace2a39b772a6067302fcccafead7175857c4870ea15afab37f68783cb", kill_on_drop: false }`
[INFO] [stdout] 5f53c8ace2a39b772a6067302fcccafead7175857c4870ea15afab37f68783cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6378deb734892e3e9c7f68aa57b8ab83a9dbb72404a04f6f78a54bdd8d1fa5c0
[INFO] running `Command { std: "docker" "start" "-a" "6378deb734892e3e9c7f68aa57b8ab83a9dbb72404a04f6f78a54bdd8d1fa5c0", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> sni_proxy/src/connection_source.rs:803:17
[INFO] [stderr]     |
[INFO] [stderr] 803 |                 &self.send_to_client.push_back(self.buf_client.clone());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 803 |                 let _ = &self.send_to_client.push_back(self.buf_client.clone());
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> sni_proxy/src/connection_source.rs:804:17
[INFO] [stderr]     |
[INFO] [stderr] 804 |                 &self.buf_client.clear();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 804 |                 let _ = &self.buf_client.clear();
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> sni_proxy/src/connection_source.rs:889:25
[INFO] [stderr]     |
[INFO] [stderr] 889 |                         &self.buf_forward.clear();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 889 |                         let _ = &self.buf_forward.clear();
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> sni_proxy/src/connection_source.rs:891:25
[INFO] [stderr]     |
[INFO] [stderr] 891 |                         &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 891 |                         let _ = &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> sni_proxy/src/connection_source.rs:892:25
[INFO] [stderr]     |
[INFO] [stderr] 892 |                         &self.buf_forward.clear();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 892 |                         let _ = &self.buf_forward.clear();
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> sni_proxy/src/connection_source.rs:915:25
[INFO] [stderr]     |
[INFO] [stderr] 915 |                         &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 915 |                         let _ = &self.send_to_farward.push_back(self.buf_forward.clone());
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> sni_proxy/src/connection_source.rs:916:25
[INFO] [stderr]     |
[INFO] [stderr] 916 |                         &self.buf_forward.clear();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 916 |                         let _ = &self.buf_forward.clear();
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> sni_proxy/src/connection_source.rs:919:25
[INFO] [stderr]     |
[INFO] [stderr] 919 |                         &self.buf_forward.clear();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 919 |                         let _ = &self.buf_forward.clear();
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]     --> sni_proxy/src/connection_source.rs:1019:13
[INFO] [stderr]      |
[INFO] [stderr] 1019 |             drop(self.forward_stream.as_ref().unwrap());
[INFO] [stderr]      |             ^^^^^-------------------------------------^
[INFO] [stderr]      |                  |
[INFO] [stderr]      |                  argument has type `&mio::net::TcpStream`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]      |
[INFO] [stderr] 1019 -             drop(self.forward_stream.as_ref().unwrap());
[INFO] [stderr] 1019 +             let _ = self.forward_stream.as_ref().unwrap();
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]     --> sni_proxy/src/connection_source.rs:1022:9
[INFO] [stderr]      |
[INFO] [stderr] 1022 |         drop(&self.server_stream);
[INFO] [stderr]      |         ^^^^^-------------------^
[INFO] [stderr]      |              |
[INFO] [stderr]      |              argument has type `&mio::net::TcpStream`
[INFO] [stderr]      |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]      |
[INFO] [stderr] 1022 -         drop(&self.server_stream);
[INFO] [stderr] 1022 +         let _ = &self.server_stream;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: `sni_proxy` (bin "sni_proxy" test) generated 10 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cache_iterator-a274c8f15eba5e72)
[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] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cache_plugin-479da6e5df7471da)
[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] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cert_plugin_mariadb-b2fb7ecb5865ee9e)
[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] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/interfaces-bc316235a006455e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sni_proxy-a463b24fda8f8619)
[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] [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] [stderr]    Doc-tests interfaces
[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" "6378deb734892e3e9c7f68aa57b8ab83a9dbb72404a04f6f78a54bdd8d1fa5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6378deb734892e3e9c7f68aa57b8ab83a9dbb72404a04f6f78a54bdd8d1fa5c0", kill_on_drop: false }`
[INFO] [stdout] 6378deb734892e3e9c7f68aa57b8ab83a9dbb72404a04f6f78a54bdd8d1fa5c0
