[INFO] cloning repository https://github.com/jagg/irc-envoy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jagg/irc-envoy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjagg%2Firc-envoy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjagg%2Firc-envoy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a3d1f332f98a166f4e6af1e050a7145755fbb4c
[INFO] testing jagg/irc-envoy against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjagg%2Firc-envoy" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jagg/irc-envoy on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jagg/irc-envoy
[INFO] finished tweaking git repo https://github.com/jagg/irc-envoy
[INFO] tweaked toml for git repo https://github.com/jagg/irc-envoy written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/jagg/irc-envoy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99e9049ac313470d1090b2c8d79d26a2910fb82e114ddab294d56d12fb202a6c
[INFO] running `Command { std: "docker" "start" "-a" "99e9049ac313470d1090b2c8d79d26a2910fb82e114ddab294d56d12fb202a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99e9049ac313470d1090b2c8d79d26a2910fb82e114ddab294d56d12fb202a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e9049ac313470d1090b2c8d79d26a2910fb82e114ddab294d56d12fb202a6c", kill_on_drop: false }`
[INFO] [stdout] 99e9049ac313470d1090b2c8d79d26a2910fb82e114ddab294d56d12fb202a6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97af07efa68861b3b3ee319481f18896eed44a1f6c889a11c9f5c24380384f88
[INFO] running `Command { std: "docker" "start" "-a" "97af07efa68861b3b3ee319481f18896eed44a1f6c889a11c9f5c24380384f88", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling irc-envoy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         try!(service.login("irc-envoy"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         try!(service.join("irc-test"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let stream = try!(net::TcpStream::connect((config.server.as_str(), config.port)));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         try!(self.tcp_writer.write(format!("USER {} 0 * :IRC Envoy Client \r\n", nick).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         try!(self.tcp_writer.write(format!("NICK {} \r\n", nick).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         try!(self.tcp_writer.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         try!(self.tcp_writer.write(format!("JOIN #{} \r\n", channel).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         try!(self.tcp_writer.write(format!("PRIVMSG #{} :Hi! \r\n", channel).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         try!(self.tcp_writer.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.00s
[INFO] running `Command { std: "docker" "inspect" "97af07efa68861b3b3ee319481f18896eed44a1f6c889a11c9f5c24380384f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97af07efa68861b3b3ee319481f18896eed44a1f6c889a11c9f5c24380384f88", kill_on_drop: false }`
[INFO] [stdout] 97af07efa68861b3b3ee319481f18896eed44a1f6c889a11c9f5c24380384f88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b59460fdeb6623902d7939488c55a100240c3b31873bfe6de40181d2f105aa00
[INFO] running `Command { std: "docker" "start" "-a" "b59460fdeb6623902d7939488c55a100240c3b31873bfe6de40181d2f105aa00", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling irc-envoy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         try!(service.login("irc-envoy"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         try!(service.join("irc-test"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let stream = try!(net::TcpStream::connect((config.server.as_str(), config.port)));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         try!(self.tcp_writer.write(format!("USER {} 0 * :IRC Envoy Client \r\n", nick).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         try!(self.tcp_writer.write(format!("NICK {} \r\n", nick).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         try!(self.tcp_writer.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         try!(self.tcp_writer.write(format!("JOIN #{} \r\n", channel).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         try!(self.tcp_writer.write(format!("PRIVMSG #{} :Hi! \r\n", channel).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         try!(self.tcp_writer.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         try!(service.login("irc-envoy"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         try!(service.join("irc-test"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let stream = try!(net::TcpStream::connect((config.server.as_str(), config.port)));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         try!(self.tcp_writer.write(format!("USER {} 0 * :IRC Envoy Client \r\n", nick).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         try!(self.tcp_writer.write(format!("NICK {} \r\n", nick).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         try!(self.tcp_writer.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         try!(self.tcp_writer.write(format!("JOIN #{} \r\n", channel).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         try!(self.tcp_writer.write(format!("PRIVMSG #{} :Hi! \r\n", channel).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         try!(self.tcp_writer.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "b59460fdeb6623902d7939488c55a100240c3b31873bfe6de40181d2f105aa00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59460fdeb6623902d7939488c55a100240c3b31873bfe6de40181d2f105aa00", kill_on_drop: false }`
[INFO] [stdout] b59460fdeb6623902d7939488c55a100240c3b31873bfe6de40181d2f105aa00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1503074b822b299f38b65909028d418f97526ded7945f3f359032fcf860725d8
[INFO] running `Command { std: "docker" "start" "-a" "1503074b822b299f38b65909028d418f97526ded7945f3f359032fcf860725d8", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/irc.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(service.login("irc-envoy"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/irc.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         try!(service.join("irc-test"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/irc.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let stream = try!(net::TcpStream::connect((config.server.as_str(), config.port)));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/irc.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         try!(self.tcp_writer.write(format!("USER {} 0 * :IRC Envoy Client \r\n", nick).as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/irc.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         try!(self.tcp_writer.write(format!("NICK {} \r\n", nick).as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/irc.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         try!(self.tcp_writer.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/irc.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(self.tcp_writer.write(format!("JOIN #{} \r\n", channel).as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/irc.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(self.tcp_writer.write(format!("PRIVMSG #{} :Hi! \r\n", channel).as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/irc.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(self.tcp_writer.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `irc-envoy` (lib) generated 9 warnings
[INFO] [stderr] warning: `irc-envoy` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/irc_envoy-e25846c071f71718)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::tests::test_channel_message ... ok
[INFO] [stdout] test parser::tests::test_priv_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/irc_envoy-0dcf20ff99a02121)
[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 irc-envoy
[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" "1503074b822b299f38b65909028d418f97526ded7945f3f359032fcf860725d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1503074b822b299f38b65909028d418f97526ded7945f3f359032fcf860725d8", kill_on_drop: false }`
[INFO] [stdout] 1503074b822b299f38b65909028d418f97526ded7945f3f359032fcf860725d8