[INFO] crate nettest 0.1.1 is already in cache
[INFO] testing nettest-0.1.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate nettest 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nettest 0.1.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b13457fa91c5fb86da69e1be8a851098366f93690585b0d470b9c8ec063ef6b
[INFO] running `"docker" "start" "-a" "0b13457fa91c5fb86da69e1be8a851098366f93690585b0d470b9c8ec063ef6b"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling nettest v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `"docker" "inspect" "0b13457fa91c5fb86da69e1be8a851098366f93690585b0d470b9c8ec063ef6b"`
[INFO] running `"docker" "rm" "-f" "0b13457fa91c5fb86da69e1be8a851098366f93690585b0d470b9c8ec063ef6b"`
[INFO] [stdout] 0b13457fa91c5fb86da69e1be8a851098366f93690585b0d470b9c8ec063ef6b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e1cdc3908bab928e0a7f8c951b278ae6b11d6b4b8f28f642ce816412e9e2883
[INFO] running `"docker" "start" "-a" "4e1cdc3908bab928e0a7f8c951b278ae6b11d6b4b8f28f642ce816412e9e2883"`
[INFO] [stderr]    Compiling nettest v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 0.90s
[INFO] running `"docker" "inspect" "4e1cdc3908bab928e0a7f8c951b278ae6b11d6b4b8f28f642ce816412e9e2883"`
[INFO] running `"docker" "rm" "-f" "4e1cdc3908bab928e0a7f8c951b278ae6b11d6b4b8f28f642ce816412e9e2883"`
[INFO] [stdout] 4e1cdc3908bab928e0a7f8c951b278ae6b11d6b4b8f28f642ce816412e9e2883
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 113fc365bd38704441eca0acb9d55edf86bd7604770d9c24b8f81fbff28eba69
[INFO] running `"docker" "start" "-a" "113fc365bd38704441eca0acb9d55edf86bd7604770d9c24b8f81fbff28eba69"`
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nettest-83bfc93fa4915676
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "113fc365bd38704441eca0acb9d55edf86bd7604770d9c24b8f81fbff28eba69"`
[INFO] running `"docker" "rm" "-f" "113fc365bd38704441eca0acb9d55edf86bd7604770d9c24b8f81fbff28eba69"`
[INFO] [stdout] 113fc365bd38704441eca0acb9d55edf86bd7604770d9c24b8f81fbff28eba69