[INFO] fetching crate nettest 0.1.1...
[INFO] testing nettest-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate nettest 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nettest 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nettest 0.1.1
[INFO] finished tweaking crates.io crate nettest 0.1.1
[INFO] tweaked toml for crates.io crate nettest 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37eec7dd93390f5d222318583107a1c4544f8b8be64e950d92d1e9d0fb30bf70
[INFO] running `Command { std: "docker" "start" "-a" "37eec7dd93390f5d222318583107a1c4544f8b8be64e950d92d1e9d0fb30bf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37eec7dd93390f5d222318583107a1c4544f8b8be64e950d92d1e9d0fb30bf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37eec7dd93390f5d222318583107a1c4544f8b8be64e950d92d1e9d0fb30bf70", kill_on_drop: false }`
[INFO] [stdout] 37eec7dd93390f5d222318583107a1c4544f8b8be64e950d92d1e9d0fb30bf70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 325b6aa1a0e9df35681b9fbf434527275313a81a29844846ecb558a2d74a292b
[INFO] running `Command { std: "docker" "start" "-a" "325b6aa1a0e9df35681b9fbf434527275313a81a29844846ecb558a2d74a292b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling nettest v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/server.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let cmd = try!(self.stream.read_u8());
[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/server.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     try!(self.stream.read_exact(&mut sink));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/server.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     let ms = try!(self.stream.read_u64::<BigEndian>());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/server.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     try!(self.stream.write_u8(3u8));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/server.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                         try!(stream.write_u8(0u8));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/server.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         try!(stream.write(&buf));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/server.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                         try!(stream.flush());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/server.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     try!(stream.write_u8(2))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |             con: Connection::new(try!(TcpStream::connect((server, port))))
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             try!(self.con.send_upstream());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             try!(self.con.ping());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         try!(self.con.request_downstream(time));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let bytes = try!(self.con.process_request());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         try!(self.stream.write_u8(1u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         try!(self.stream.write_u64::<BigEndian>(time));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         try!(self.stream.write_u8(3u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         try!(self.stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let ptype = try!(self.stream.read_u8());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         try!(self.stream.write_u8(0u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(self.stream.write(&buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(self.stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let ptype = try!(self.stream.read_u8());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     try!(self.stream.read_exact(&mut buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         try!(self.stream.write_u8(255));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut c = try!(client::TestClient::new(host, port));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     try!(stdout().flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:81:35
[INFO] [stdout]    |
[INFO] [stdout] 81 |     println!("done, {:.*} ms", 2, try!(c.test_ping(20)));
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     try!(stdout().flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:85:39
[INFO] [stdout]    |
[INFO] [stdout] 85 |     println!("done, {}", format_speed(try!(c.test_downstream(time * 1_000u64))));
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     try!(stdout().flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:89:39
[INFO] [stdout]    |
[INFO] [stdout] 89 |     println!("done, {}", format_speed(try!(c.test_upstream(time * 1_000u64))));
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "325b6aa1a0e9df35681b9fbf434527275313a81a29844846ecb558a2d74a292b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325b6aa1a0e9df35681b9fbf434527275313a81a29844846ecb558a2d74a292b", kill_on_drop: false }`
[INFO] [stdout] 325b6aa1a0e9df35681b9fbf434527275313a81a29844846ecb558a2d74a292b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c812f8b526a57a1f71b29c3c6b43a1c7b2da841e08514a14ff99c565c811423
[INFO] running `Command { std: "docker" "start" "-a" "0c812f8b526a57a1f71b29c3c6b43a1c7b2da841e08514a14ff99c565c811423", kill_on_drop: false }`
[INFO] [stderr]    Compiling nettest v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/server.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let cmd = try!(self.stream.read_u8());
[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/server.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     try!(self.stream.read_exact(&mut sink));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/server.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     let ms = try!(self.stream.read_u64::<BigEndian>());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/server.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     try!(self.stream.write_u8(3u8));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/server.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                         try!(stream.write_u8(0u8));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/server.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         try!(stream.write(&buf));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/server.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                         try!(stream.flush());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/server.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     try!(stream.write_u8(2))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |             con: Connection::new(try!(TcpStream::connect((server, port))))
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             try!(self.con.send_upstream());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             try!(self.con.ping());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         try!(self.con.request_downstream(time));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let bytes = try!(self.con.process_request());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         try!(self.stream.write_u8(1u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         try!(self.stream.write_u64::<BigEndian>(time));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         try!(self.stream.write_u8(3u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         try!(self.stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let ptype = try!(self.stream.read_u8());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         try!(self.stream.write_u8(0u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(self.stream.write(&buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(self.stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let ptype = try!(self.stream.read_u8());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     try!(self.stream.read_exact(&mut buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         try!(self.stream.write_u8(255));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut c = try!(client::TestClient::new(host, port));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     try!(stdout().flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:81:35
[INFO] [stdout]    |
[INFO] [stdout] 81 |     println!("done, {:.*} ms", 2, try!(c.test_ping(20)));
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     try!(stdout().flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:85:39
[INFO] [stdout]    |
[INFO] [stdout] 85 |     println!("done, {}", format_speed(try!(c.test_downstream(time * 1_000u64))));
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     try!(stdout().flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:89:39
[INFO] [stdout]    |
[INFO] [stdout] 89 |     println!("done, {}", format_speed(try!(c.test_upstream(time * 1_000u64))));
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "0c812f8b526a57a1f71b29c3c6b43a1c7b2da841e08514a14ff99c565c811423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c812f8b526a57a1f71b29c3c6b43a1c7b2da841e08514a14ff99c565c811423", kill_on_drop: false }`
[INFO] [stdout] 0c812f8b526a57a1f71b29c3c6b43a1c7b2da841e08514a14ff99c565c811423
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1e976b306ceaa5f715435e96d92794d7c42d6bb3eff1f987648d7650916426d
[INFO] running `Command { std: "docker" "start" "-a" "e1e976b306ceaa5f715435e96d92794d7c42d6bb3eff1f987648d7650916426d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/server.rs:79:23
[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] 79 |             let cmd = try!(self.stream.read_u8());
[INFO] [stdout] 
[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/server.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     try!(self.stream.read_exact(&mut sink));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:86:30
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     let ms = try!(self.stream.read_u64::<BigEndian>());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     try!(self.stream.write_u8(3u8));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/server.rs:113:25
[INFO] [stderr]     |
[INFO] [stderr] 113 |                         try!(stream.write_u8(0u8));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/server.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                         try!(stream.write(&buf));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/server.rs:115:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |                         try!(stream.flush());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/server.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |                     try!(stream.write_u8(2))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:19:34
[INFO] [stderr]    |
[INFO] [stderr] 19 |             con: Connection::new(try!(TcpStream::connect((server, port))))
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             try!(self.con.send_upstream());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             try!(self.con.ping());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         try!(self.con.request_downstream(time));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let bytes = try!(self.con.process_request());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(self.stream.write_u8(1u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         try!(self.stream.write_u64::<BigEndian>(time));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         try!(self.stream.write_u8(3u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         try!(self.stream.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let ptype = try!(self.stream.read_u8());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         try!(self.stream.write_u8(0u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(self.stream.write(&buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(self.stream.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:103:25
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let ptype = try!(self.stream.read_u8());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |                     try!(self.stream.read_exact(&mut buf));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         try!(self.stream.write_u8(255));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut c = try!(client::TestClient::new(host, port));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     try!(stdout().flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:81:35
[INFO] [stderr]    |
[INFO] [stderr] 81 |     println!("done, {:.*} ms", 2, try!(c.test_ping(20)));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     try!(stdout().flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:85:39
[INFO] [stderr]    |
[INFO] [stderr] 85 |     println!("done, {}", format_speed(try!(c.test_downstream(time * 1_000u64))));
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     try!(stdout().flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:89:39
[INFO] [stderr]    |
[INFO] [stderr] 89 |     println!("done, {}", format_speed(try!(c.test_upstream(time * 1_000u64))));
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nettest-bdad7584ddddec06)
[INFO] running `Command { std: "docker" "inspect" "e1e976b306ceaa5f715435e96d92794d7c42d6bb3eff1f987648d7650916426d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e976b306ceaa5f715435e96d92794d7c42d6bb3eff1f987648d7650916426d", kill_on_drop: false }`
[INFO] [stdout] e1e976b306ceaa5f715435e96d92794d7c42d6bb3eff1f987648d7650916426d