[INFO] fetching crate nettest 0.1.1...
[INFO] testing nettest-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate nettest 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate nettest 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c20b71a1175ba83e9ae7a621c96e7cdc42ccca587250ef0c581b4ffe87f4d0fe
[INFO] running `Command { std: "docker" "start" "-a" "c20b71a1175ba83e9ae7a621c96e7cdc42ccca587250ef0c581b4ffe87f4d0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c20b71a1175ba83e9ae7a621c96e7cdc42ccca587250ef0c581b4ffe87f4d0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20b71a1175ba83e9ae7a621c96e7cdc42ccca587250ef0c581b4ffe87f4d0fe", kill_on_drop: false }`
[INFO] [stdout] c20b71a1175ba83e9ae7a621c96e7cdc42ccca587250ef0c581b4ffe87f4d0fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4dfdbb2c716857ff6998b627bc87fc18c46b176c2e1c742c02a2041bd38418f
[INFO] running `Command { std: "docker" "start" "-a" "a4dfdbb2c716857ff6998b627bc87fc18c46b176c2e1c742c02a2041bd38418f", kill_on_drop: false }`
[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: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/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/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: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: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: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: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: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: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: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 1.95s
[INFO] running `Command { std: "docker" "inspect" "a4dfdbb2c716857ff6998b627bc87fc18c46b176c2e1c742c02a2041bd38418f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4dfdbb2c716857ff6998b627bc87fc18c46b176c2e1c742c02a2041bd38418f", kill_on_drop: false }`
[INFO] [stdout] a4dfdbb2c716857ff6998b627bc87fc18c46b176c2e1c742c02a2041bd38418f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22fae5568da0131c4a19a3108a89b9bcaf31ecfb21a1e2b5b2a0d98e7e4edd09
[INFO] running `Command { std: "docker" "start" "-a" "22fae5568da0131c4a19a3108a89b9bcaf31ecfb21a1e2b5b2a0d98e7e4edd09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: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/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/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: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: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: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: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: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: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: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 0.36s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/nettest-f0b30b411e6933b2)
[INFO] running `Command { std: "docker" "inspect" "22fae5568da0131c4a19a3108a89b9bcaf31ecfb21a1e2b5b2a0d98e7e4edd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22fae5568da0131c4a19a3108a89b9bcaf31ecfb21a1e2b5b2a0d98e7e4edd09", kill_on_drop: false }`
[INFO] [stdout] 22fae5568da0131c4a19a3108a89b9bcaf31ecfb21a1e2b5b2a0d98e7e4edd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76ebb3dc117f58b0eca8099926e966cb878f27ccd4c8e949da6d86bb71b7496f
[INFO] running `Command { std: "docker" "start" "-a" "76ebb3dc117f58b0eca8099926e966cb878f27ccd4c8e949da6d86bb71b7496f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:79:23
[INFO] [stderr]    |
[INFO] [stderr] 79 |             let cmd = try!(self.stream.read_u8());
[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: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/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/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: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: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: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: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: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: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: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: `nettest` (bin "nettest" test) generated 31 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nettest-f0b30b411e6933b2)
[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" "76ebb3dc117f58b0eca8099926e966cb878f27ccd4c8e949da6d86bb71b7496f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ebb3dc117f58b0eca8099926e966cb878f27ccd4c8e949da6d86bb71b7496f", kill_on_drop: false }`
[INFO] [stdout] 76ebb3dc117f58b0eca8099926e966cb878f27ccd4c8e949da6d86bb71b7496f