[INFO] crate kafka 0.8.0 is already in cache
[INFO] checking kafka-0.8.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate kafka 0.8.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate kafka 0.8.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kafka 0.8.0
[INFO] finished tweaking crates.io crate kafka 0.8.0
[INFO] tweaked toml for crates.io crate kafka 0.8.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate kafka 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f6bdfad3438d46d1e5a512f5e6750a187a8f7cfcd1d35a282559e32e66dbafde
[INFO] running `"docker" "start" "-a" "f6bdfad3438d46d1e5a512f5e6750a187a8f7cfcd1d35a282559e32e66dbafde"`
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking ref_slice v1.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking kafka v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client/metadata.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(write!(f, "Topics {{ topics: ["));
[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/client/metadata.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             try!(write!(f, "{:?}", t));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client/metadata.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(write!(f, ", {:?}", t));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/metadata.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         try!(write!(f, "Partitions {{ ["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/metadata.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |             try!(write!(f, "{:?}", p));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/metadata.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |             try!(write!(f, ", {:?}", p));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:190:32
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 let new_conn = try!(self.config.new_conn(self.state.next_conn_id(), host));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:205:30
[INFO] [stderr]     |
[INFO] [stderr] 205 |             Pooled::new(now, try!(self.config.new_conn(cid, host))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:368:9
[INFO] [stderr]     |
[INFO] [stderr] 368 |         try!(self.read_exact(buffer.as_mut_slice()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:384:9
[INFO] [stderr]     |
[INFO] [stderr] 384 |         try!(stream.set_read_timeout(rw_timeout));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:385:9
[INFO] [stderr]     |
[INFO] [stderr] 385 |         try!(stream.set_write_timeout(rw_timeout));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:405:22
[INFO] [stderr]     |
[INFO] [stderr] 405 |         let stream = try!(TcpStream::connect(host));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:422:34
[INFO] [stderr]     |
[INFO] [stderr] 422 |                 let connection = try!(connector.connect(domain, stream));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:534:43
[INFO] [stderr]     |
[INFO] [stderr] 534 |         self.config.fetch_max_wait_time = try!(protocol::to_millis_i32(max_wait_time));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:782:20
[INFO] [stderr]     |
[INFO] [stderr] 782 |         let resp = try!(self.fetch_metadata(topics));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:872:24
[INFO] [stderr]     |
[INFO] [stderr] 872 |             let resp = try!(__send_receive::<_, protocol::OffsetResponse>(
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:951:21
[INFO] [stderr]     |
[INFO] [stderr] 951 |         let mut m = try!(self.fetch_offsets(&[topic], offset));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1128:13
[INFO] [stderr]      |
[INFO] [stderr] 1128 |             try!(protocol::to_millis_i32(ack_timeout)),
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1281:12
[INFO] [stderr]      |
[INFO] [stderr] 1281 |         Ok(try!(__fetch_group_offsets(
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1358:17
[INFO] [stderr]      |
[INFO] [stderr] 1358 |         let r = try!(__send_receive_conn::<_, protocol::GroupCoordinatorResponse>(conn, &req));
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1395:24
[INFO] [stderr]      |
[INFO] [stderr] 1395 |             let host = try!(__get_group_coordinator(
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1402:13
[INFO] [stderr]      |
[INFO] [stderr] 1402 |             try!(__send_receive::<_, protocol::OffsetCommitResponse>(
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1463:24
[INFO] [stderr]      |
[INFO] [stderr] 1463 |             let host = try!(__get_group_coordinator(
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1470:13
[INFO] [stderr]      |
[INFO] [stderr] 1470 |             try!(__send_receive::<_, protocol::OffsetFetchResponse>(
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1546:18
[INFO] [stderr]      |
[INFO] [stderr] 1546 |         res.push(try!(__z_send_receive(conn_pool, host, now, &req, &p)));
[INFO] [stderr]      |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1560:13
[INFO] [stderr]      |
[INFO] [stderr] 1560 |             try!(__send_noack::<_, protocol::ProduceResponse>(
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1568:24
[INFO] [stderr]      |
[INFO] [stderr] 1568 |             let resp = try!(__send_receive::<_, protocol::ProduceResponse>(
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1589:33
[INFO] [stderr]      |
[INFO] [stderr] 1589 |     __send_receive_conn::<T, V>(try!(conn_pool.get_conn(host, now)), req)
[INFO] [stderr]      |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1597:5
[INFO] [stderr]      |
[INFO] [stderr] 1597 |     try!(__send_request(conn, req));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1611:20
[INFO] [stderr]      |
[INFO] [stderr] 1611 |     let mut conn = try!(conn_pool.get_conn(host, now));
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1621:5
[INFO] [stderr]      |
[INFO] [stderr] 1621 |     try!(request.encode(&mut buffer));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1624:5
[INFO] [stderr]      |
[INFO] [stderr] 1624 |     try!(size.encode(&mut &mut buffer[..]));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1633:16
[INFO] [stderr]      |
[INFO] [stderr] 1633 |     let size = try!(__get_response_size(conn));
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1634:16
[INFO] [stderr]      |
[INFO] [stderr] 1634 |     let resp = try!(conn.read_exact_alloc(size as u64));
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1664:20
[INFO] [stderr]      |
[INFO] [stderr] 1664 |     let mut conn = try!(conn_pool.get_conn(host, now));
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1665:5
[INFO] [stderr]      |
[INFO] [stderr] 1665 |     try!(__send_request(&mut conn, req));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1673:16
[INFO] [stderr]      |
[INFO] [stderr] 1673 |     let size = try!(__get_response_size(conn));
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1674:16
[INFO] [stderr]      |
[INFO] [stderr] 1674 |     let resp = try!(conn.read_exact_alloc(size as u64));
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1693:5
[INFO] [stderr]      |
[INFO] [stderr] 1693 |     try!(conn.read_exact(&mut buf));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/consumer/state.rs:89:31
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     subs.push(try!(determine_partitions(x, client.topics())));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 try!(load_consumed_offsets(client, &config.group, &assignments, &subscriptions, n));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 try!(load_fetch_states(client, config, &assignments, &subscriptions, &consumed, n));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:213:16
[INFO] [stderr]     |
[INFO] [stderr] 213 |     let tpos = try!(client.fetch_group_offsets(
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:262:21
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let toffs = try!(client.fetch_offsets(topics, offset));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:285:13
[INFO] [stderr]     |
[INFO] [stderr] 285 |             try!(load_partition_offsets(client, &subscription_topics, config.fallback_offset));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:317:13
[INFO] [stderr]     |
[INFO] [stderr] 317 |             try!(load_partition_offsets(client, &subscription_topics, FetchOffset::Latest));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 |             try!(load_partition_offsets(client, &subscription_topics, FetchOffset::Earliest));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:382:9
[INFO] [stderr]     |
[INFO] [stderr] 382 |         try!(write!(f, "{{"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:385:17
[INFO] [stderr]     |
[INFO] [stderr] 385 |                 try!(write!(f, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:388:13
[INFO] [stderr]     |
[INFO] [stderr] 388 |             try!(write!(f, "\"{}:{}\": {:?}", topic, tp.partition, v));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |         try!(write!(f, "["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:404:17
[INFO] [stderr]     |
[INFO] [stderr] 404 |                 try!(write!(f, " ,"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:406:13
[INFO] [stderr]     |
[INFO] [stderr] 406 |             try!(write!(f, "\"{}:{}\"", self.state.topic_name(tp.topic_ref), tp.partition));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/builder.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         try!(client.set_fetch_max_wait_time(self.fetch_max_wait_time));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/builder.rs:244:13
[INFO] [stderr]     |
[INFO] [stderr] 244 |             try!(client.load_metadata_all());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/builder.rs:252:21
[INFO] [stderr]     |
[INFO] [stderr] 252 |         let state = try!(State::new(&mut client, &config, assignment::from_map(self.assignments)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/mod.rs:156:41
[INFO] [stderr]     |
[INFO] [stderr] 156 |         self.process_fetch_responses(n, try!(resps))
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/mod.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 421 |         try!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/producer.rs:261:22
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let mut rs = try!(self.send_all(ref_slice(rec)));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/producer.rs:472:26
[INFO] [stderr]     |
[INFO] [stderr] 472 |             ack_timeout: try!(protocol::to_millis_i32(self.ack_timeout)),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/producer.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 |             try!(client.load_metadata_all());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/producer.rs:480:21
[INFO] [stderr]     |
[INFO] [stderr] 480 |         let state = try!(State::new(&mut client, self.partitioner));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/codecs.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(buffer.write_i16::<BigEndian>(l));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/codecs.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(buffer.write_i32::<BigEndian>(l));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codecs.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     try!(buffer.write_i32::<BigEndian>(l));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codecs.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         try!(f(buffer, x));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codecs.rs:229:13
[INFO] [stderr]     |
[INFO] [stderr] 229 |             try!(e.decode(buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 | /         try_multi!(
[INFO] [stderr] 130 | |             self.header.encode(buffer),
[INFO] [stderr] 131 | |             self.required_acks.encode(buffer),
[INFO] [stderr] 132 | |             self.timeout.encode(buffer),
[INFO] [stderr] 133 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 134 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |         try!(self.topic.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!((self.partitions.len() as i32).encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             try!(e._encode(buffer, self.compression))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(self.partition.encode(out));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |             try!(msg._encode_to_buf(&mut buf, MESSAGE_MAGIC_BYTE, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:169:29
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 let cdata = try!(gzip::compress(&buf));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 try!(render_compressed(&mut buf, &cdata, compression));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:174:29
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 let cdata = try!(snappy::compress(&buf));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 try!(render_compressed(&mut buf, &cdata, compression));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |         try!((0i64).encode(buffer)); // offset in the response request can be anything
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(size.encode(buffer)); // reserve space for the size to be computed later
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         try!(crc.encode(buffer)); // reserve space for the crc to be computed later
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         try!(magic.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         try!(attributes.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         try!(self.key.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |         try!(self.value.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         try!(crc.encode(&mut &mut buffer[crc_pos..crc_pos + 4]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         try!(size.encode(&mut &mut buffer[size_pos..size_pos + 4]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 | /         try_multi!(
[INFO] [stderr] 328 | |             self.partition.decode(buffer),
[INFO] [stderr] 329 | |             self.error.decode(buffer),
[INFO] [stderr] 330 | |             self.offset.decode(buffer)
[INFO] [stderr] 331 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/offset.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 | /         try_multi!(
[INFO] [stderr] 81 | |             self.header.encode(buffer),
[INFO] [stderr] 82 | |             self.replica.encode(buffer),
[INFO] [stderr] 83 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 84 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/offset.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try_multi!(self.topic.encode(buffer), self.partitions.encode(buffer))
[INFO] [stderr]    |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:96:9
[INFO] [stderr]     |
[INFO] [stderr] 96  | /         try_multi!(
[INFO] [stderr] 97  | |             self.partition.encode(buffer),
[INFO] [stderr] 98  | |             self.time.encode(buffer),
[INFO] [stderr] 99  | |             self.max_offsets.encode(buffer)
[INFO] [stderr] 100 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 | /         try_multi!(
[INFO] [stderr] 168 | |             self.partition.decode(buffer),
[INFO] [stderr] 169 | |             self.error.decode(buffer),
[INFO] [stderr] 170 | |             self.offset.decode(buffer)
[INFO] [stderr] 171 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         try_multi!(self.header.encode(buffer), AsStrings(self.topics).encode(buffer))
[INFO] [stderr]    |         ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         try_multi!(
[INFO] [stderr] 68 | |             self.header.decode(buffer),
[INFO] [stderr] 69 | |             self.brokers.decode(buffer),
[INFO] [stderr] 70 | |             self.topics.decode(buffer)
[INFO] [stderr] 71 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try_multi!(self.node_id.decode(buffer), self.host.decode(buffer), self.port.decode(buffer))
[INFO] [stderr]    |         ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 | /         try_multi!(
[INFO] [stderr] 90 | |             self.error.decode(buffer),
[INFO] [stderr] 91 | |             self.topic.decode(buffer),
[INFO] [stderr] 92 | |             self.partitions.decode(buffer)
[INFO] [stderr] 93 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/metadata.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 | /         try_multi!(
[INFO] [stderr] 103 | |             self.error.decode(buffer),
[INFO] [stderr] 104 | |             self.id.decode(buffer),
[INFO] [stderr] 105 | |             self.leader.decode(buffer),
[INFO] [stderr] 106 | |             self.replicas.decode(buffer),
[INFO] [stderr] 107 | |             self.isr.decode(buffer)
[INFO] [stderr] 108 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/consumer.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try_multi!(self.header.encode(buffer), self.group.encode(buffer))
[INFO] [stderr]    |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/consumer.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 | /         try_multi!(
[INFO] [stderr] 65 | |             self.header.decode(buffer),
[INFO] [stderr] 66 | |             self.error.decode(buffer),
[INFO] [stderr] 67 | |             self.broker_id.decode(buffer),
[INFO] [stderr] 68 | |             self.host.decode(buffer),
[INFO] [stderr] 69 | |             self.port.decode(buffer)
[INFO] [stderr] 70 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 | /         try_multi!(
[INFO] [stderr] 159 | |             self.header.encode(buffer),
[INFO] [stderr] 160 | |             self.group.encode(buffer),
[INFO] [stderr] 161 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 162 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         try_multi!(self.topic.encode(buffer), self.partitions.encode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 | /         try_multi!(
[INFO] [stderr] 244 | |             self.partition.decode(buffer),
[INFO] [stderr] 245 | |             self.offset.decode(buffer),
[INFO] [stderr] 246 | |             self.metadata.decode(buffer),
[INFO] [stderr] 247 | |             self.error.decode(buffer)
[INFO] [stderr] 248 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:359:9
[INFO] [stderr]     |
[INFO] [stderr] 359 |         try!(self.header.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:360:9
[INFO] [stderr]     |
[INFO] [stderr] 360 |         try!(self.group.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:363:17
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 try!((-1i32).encode(buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:364:17
[INFO] [stderr]     |
[INFO] [stderr] 364 |                 try!("".encode(buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:367:17
[INFO] [stderr]     |
[INFO] [stderr] 367 |                 try!((-1i32).encode(buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:368:17
[INFO] [stderr]     |
[INFO] [stderr] 368 |                 try!("".encode(buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:369:17
[INFO] [stderr]     |
[INFO] [stderr] 369 |                 try!((-1i64).encode(buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:376:13
[INFO] [stderr]     |
[INFO] [stderr] 376 | /             try_multi!(
[INFO] [stderr] 377 | |                 tp.topic.encode(buffer),
[INFO] [stderr] 378 | |                 codecs::encode_as_array(buffer, &tp.partitions, |buffer, p| {
[INFO] [stderr] 379 | |                     try!(p.partition.encode(buffer));
[INFO] [stderr] ...   |
[INFO] [stderr] 385 | |                 })
[INFO] [stderr] 386 | |             )
[INFO] [stderr]     | |_____________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:379:21
[INFO] [stderr]     |
[INFO] [stderr] 379 |                     try!(p.partition.encode(buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:380:21
[INFO] [stderr]     |
[INFO] [stderr] 380 |                     try!(p.offset.encode(buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:382:25
[INFO] [stderr]     |
[INFO] [stderr] 382 |                         try!((-1i64).encode(buffer));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:437:9
[INFO] [stderr]     |
[INFO] [stderr] 437 |         try_multi!(self.partition.decode(buffer), self.error.decode(buffer))
[INFO] [stderr]     |         -------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/zreader.rs:67:19
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let len = try!(self.read_i16());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/zreader.rs:72:34
[INFO] [stderr]    |
[INFO] [stderr] 72 |             match str::from_utf8(try!(self.read(len as usize))) {
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/zreader.rs:82:19
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let len = try!(self.read_i32());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/zreader.rs:94:19
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let len = try!(self.read_i32());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(self.header.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(self.replica.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.max_wait_time.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.min_bytes.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         try!((self.topic_partitions.len() as i32).encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |             try!(tp.encode(name, buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         try!(topic.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!((self.partitions.len() as i32).encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |             try!(p.encode(pid, buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/fetch.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 | /         try_multi!(
[INFO] [stderr] 131 | |             partition.encode(buffer),
[INFO] [stderr] 132 | |             self.offset.encode(buffer),
[INFO] [stderr] 133 | |             self.max_bytes.encode(buffer)
[INFO] [stderr] 134 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:198:30
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let correlation_id = try!(r.read_i32());
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:160:23
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let n_elems = try!($zreader.read_array_len());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 199 |         let topics = array_of!(r, Topic::read(&mut r, reqs, validate_crc));
[INFO] [stderr]     |                      ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:163:24
[INFO] [stderr]     |
[INFO] [stderr] 163 |             array.push(try!($parse_elem));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 199 |         let topics = array_of!(r, Topic::read(&mut r, reqs, validate_crc));
[INFO] [stderr]     |                      ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:238:20
[INFO] [stderr]     |
[INFO] [stderr] 238 |         let name = try!(r.read_str());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:160:23
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let n_elems = try!($zreader.read_array_len());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 240 |         let partitions = array_of!(r, Partition::read(r, preqs, validate_crc));
[INFO] [stderr]     |                          ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:163:24
[INFO] [stderr]     |
[INFO] [stderr] 163 |             array.push(try!($parse_elem));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 240 |         let partitions = array_of!(r, Partition::read(r, preqs, validate_crc));
[INFO] [stderr]     |                          ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:283:25
[INFO] [stderr]     |
[INFO] [stderr] 283 |         let partition = try!(r.read_i32());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:288:42
[INFO] [stderr]     |
[INFO] [stderr] 288 |         let error = Error::from_protocol(try!(r.read_i16()));
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:291:29
[INFO] [stderr]     |
[INFO] [stderr] 291 |         let highwatermark = try!(r.read_i64());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:292:22
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let msgset = try!(MessageSet::from_slice(try!(r.read_bytes()), proffs, validate_crc));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:292:50
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let msgset = try!(MessageSet::from_slice(try!(r.read_bytes()), proffs, validate_crc));
[INFO] [stderr]     |                                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:375:18
[INFO] [stderr]     |
[INFO] [stderr] 375 |         let ms = try!(MessageSet::from_slice(
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:422:37
[INFO] [stderr]     |
[INFO] [stderr] 422 | ...                   let v = try!(gzip::uncompress(pmsg.value));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:423:39
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   return Ok(try!(MessageSet::from_vec(v, req_offset, validate_crc)));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:429:29
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   try!(try!(SnappyReader::new(pmsg.value)).read_to_end(&mut v));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:429:34
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   try!(try!(SnappyReader::new(pmsg.value)).read_to_end(&mut v));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:430:39
[INFO] [stderr]     |
[INFO] [stderr] 430 | ...                   return Ok(try!(MessageSet::from_vec(v, req_offset, validate_crc)));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:447:22
[INFO] [stderr]     |
[INFO] [stderr] 447 |         let offset = try!(r.read_i64());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:448:24
[INFO] [stderr]     |
[INFO] [stderr] 448 |         let msg_data = try!(r.read_bytes());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:449:21
[INFO] [stderr]     |
[INFO] [stderr] 449 |         Ok((offset, try!(ProtocolMessage::from_slice(msg_data, validate_crc))))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:467:23
[INFO] [stderr]     |
[INFO] [stderr] 467 |         let msg_crc = try!(r.read_i32());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:473:25
[INFO] [stderr]     |
[INFO] [stderr] 473 |         let msg_magic = try!(r.read_i8());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:477:24
[INFO] [stderr]     |
[INFO] [stderr] 477 |         let msg_attr = try!(r.read_i8());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:478:23
[INFO] [stderr]     |
[INFO] [stderr] 478 |         let msg_key = try!(r.read_bytes());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:479:23
[INFO] [stderr]     |
[INFO] [stderr] 479 |         let msg_val = try!(r.read_bytes());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 | /         try_multi!(
[INFO] [stderr] 134 | |             self.api_key.encode(buffer),
[INFO] [stderr] 135 | |             self.api_version.encode(buffer),
[INFO] [stderr] 136 | |             self.correlation_id.encode(buffer),
[INFO] [stderr] 137 | |             self.client_id.encode(buffer)
[INFO] [stderr] 138 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compression/gzip.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     try!(e.write(src));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compression/gzip.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let compressed_bytes = try!(e.finish());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compression/gzip.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut d = try!(GzDecoder::new(src));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compression/snappy.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                     try!(snap::Decoder::new().decompress(src, buf))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compression/snappy.rs:125:18
[INFO] [stderr]     |
[INFO] [stderr] 125 |         stream = try!(validate_stream(stream));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compression/snappy.rs:136:19
[INFO] [stderr]     |
[INFO] [stderr] 136 |         } else if try!(self.next_chunk()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compression/snappy.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let n = try!((&self.uncompressed_chunk[self.uncompressed_pos..]).read(buf));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compression/snappy.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         try!(uncompress_to(&self.compressed_data[..chunk_size], &mut self.uncompressed_chunk));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compression/snappy.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |             try!(uncompress_to(c1, buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/error.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | /// The various errors this library can produce.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `openssl::error::ErrorStack`
[INFO] [stderr]  --> src/error.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use openssl::error::ErrorStack;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 | /         try_multi!(
[INFO] [stderr] 130 | |             self.header.encode(buffer),
[INFO] [stderr] 131 | |             self.required_acks.encode(buffer),
[INFO] [stderr] 132 | |             self.timeout.encode(buffer),
[INFO] [stderr] 133 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 134 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 | /         try_multi!(
[INFO] [stderr] 328 | |             self.partition.decode(buffer),
[INFO] [stderr] 329 | |             self.error.decode(buffer),
[INFO] [stderr] 330 | |             self.offset.decode(buffer)
[INFO] [stderr] 331 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |                           ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/offset.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 | /         try_multi!(
[INFO] [stderr] 81 | |             self.header.encode(buffer),
[INFO] [stderr] 82 | |             self.replica.encode(buffer),
[INFO] [stderr] 83 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 84 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |                         ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/offset.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try_multi!(self.topic.encode(buffer), self.partitions.encode(buffer))
[INFO] [stderr]    |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:96:9
[INFO] [stderr]     |
[INFO] [stderr] 96  | /         try_multi!(
[INFO] [stderr] 97  | |             self.partition.encode(buffer),
[INFO] [stderr] 98  | |             self.time.encode(buffer),
[INFO] [stderr] 99  | |             self.max_offsets.encode(buffer)
[INFO] [stderr] 100 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 | /         try_multi!(
[INFO] [stderr] 168 | |             self.partition.decode(buffer),
[INFO] [stderr] 169 | |             self.error.decode(buffer),
[INFO] [stderr] 170 | |             self.offset.decode(buffer)
[INFO] [stderr] 171 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |                         ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         try_multi!(self.header.encode(buffer), AsStrings(self.topics).encode(buffer))
[INFO] [stderr]    |         ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |                           ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         try_multi!(
[INFO] [stderr] 68 | |             self.header.decode(buffer),
[INFO] [stderr] 69 | |             self.brokers.decode(buffer),
[INFO] [stderr] 70 | |             self.topics.decode(buffer)
[INFO] [stderr] 71 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |                         ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try_multi!(self.node_id.decode(buffer), self.host.decode(buffer), self.port.decode(buffer))
[INFO] [stderr]    |         ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |                           ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 | /         try_multi!(
[INFO] [stderr] 90 | |             self.error.decode(buffer),
[INFO] [stderr] 91 | |             self.topic.decode(buffer),
[INFO] [stderr] 92 | |             self.partitions.decode(buffer)
[INFO] [stderr] 93 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/metadata.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 | /         try_multi!(
[INFO] [stderr] 103 | |             self.error.decode(buffer),
[INFO] [stderr] 104 | |             self.id.decode(buffer),
[INFO] [stderr] 105 | |             self.leader.decode(buffer),
[INFO] [stderr] 106 | |             self.replicas.decode(buffer),
[INFO] [stderr] 107 | |             self.isr.decode(buffer)
[INFO] [stderr] 108 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |                         ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/consumer.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try_multi!(self.header.encode(buffer), self.group.encode(buffer))
[INFO] [stderr]    |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |                           ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/consumer.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 | /         try_multi!(
[INFO] [stderr] 65 | |             self.header.decode(buffer),
[INFO] [stderr] 66 | |             self.error.decode(buffer),
[INFO] [stderr] 67 | |             self.broker_id.decode(buffer),
[INFO] [stderr] 68 | |             self.host.decode(buffer),
[INFO] [stderr] 69 | |             self.port.decode(buffer)
[INFO] [stderr] 70 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 | /         try_multi!(
[INFO] [stderr] 159 | |             self.header.encode(buffer),
[INFO] [stderr] 160 | |             self.group.encode(buffer),
[INFO] [stderr] 161 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 162 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         try_multi!(self.topic.encode(buffer), self.partitions.encode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 | /         try_multi!(
[INFO] [stderr] 244 | |             self.partition.decode(buffer),
[INFO] [stderr] 245 | |             self.offset.decode(buffer),
[INFO] [stderr] 246 | |             self.metadata.decode(buffer),
[INFO] [stderr] 247 | |             self.error.decode(buffer)
[INFO] [stderr] 248 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:376:13
[INFO] [stderr]     |
[INFO] [stderr] 376 | /             try_multi!(
[INFO] [stderr] 377 | |                 tp.topic.encode(buffer),
[INFO] [stderr] 378 | |                 codecs::encode_as_array(buffer, &tp.partitions, |buffer, p| {
[INFO] [stderr] 379 | |                     try!(p.partition.encode(buffer));
[INFO] [stderr] ...   |
[INFO] [stderr] 385 | |                 })
[INFO] [stderr] 386 | |             )
[INFO] [stderr]     | |_____________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:437:9
[INFO] [stderr]     |
[INFO] [stderr] 437 |         try_multi!(self.partition.decode(buffer), self.error.decode(buffer))
[INFO] [stderr]     |         -------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/fetch.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 | /         try_multi!(
[INFO] [stderr] 131 | |             partition.encode(buffer),
[INFO] [stderr] 132 | |             self.offset.encode(buffer),
[INFO] [stderr] 133 | |             self.max_bytes.encode(buffer)
[INFO] [stderr] 134 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 133 | /         try_multi!(
[INFO] [stderr] 134 | |             self.api_key.encode(buffer),
[INFO] [stderr] 135 | |             self.api_version.encode(buffer),
[INFO] [stderr] 136 | |             self.correlation_id.encode(buffer),
[INFO] [stderr] 137 | |             self.client_id.encode(buffer)
[INFO] [stderr] 138 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/compression/gzip.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Ok((compressed_bytes))
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client/metadata.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(write!(f, "Topics {{ topics: ["));
[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/client/metadata.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             try!(write!(f, "{:?}", t));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client/metadata.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(write!(f, ", {:?}", t));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/metadata.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         try!(write!(f, "Partitions {{ ["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/metadata.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |             try!(write!(f, "{:?}", p));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/metadata.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |             try!(write!(f, ", {:?}", p));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:190:32
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 let new_conn = try!(self.config.new_conn(self.state.next_conn_id(), host));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:205:30
[INFO] [stderr]     |
[INFO] [stderr] 205 |             Pooled::new(now, try!(self.config.new_conn(cid, host))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:368:9
[INFO] [stderr]     |
[INFO] [stderr] 368 |         try!(self.read_exact(buffer.as_mut_slice()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:384:9
[INFO] [stderr]     |
[INFO] [stderr] 384 |         try!(stream.set_read_timeout(rw_timeout));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:385:9
[INFO] [stderr]     |
[INFO] [stderr] 385 |         try!(stream.set_write_timeout(rw_timeout));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:405:22
[INFO] [stderr]     |
[INFO] [stderr] 405 |         let stream = try!(TcpStream::connect(host));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/network.rs:422:34
[INFO] [stderr]     |
[INFO] [stderr] 422 |                 let connection = try!(connector.connect(domain, stream));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:534:43
[INFO] [stderr]     |
[INFO] [stderr] 534 |         self.config.fetch_max_wait_time = try!(protocol::to_millis_i32(max_wait_time));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:782:20
[INFO] [stderr]     |
[INFO] [stderr] 782 |         let resp = try!(self.fetch_metadata(topics));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:872:24
[INFO] [stderr]     |
[INFO] [stderr] 872 |             let resp = try!(__send_receive::<_, protocol::OffsetResponse>(
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:951:21
[INFO] [stderr]     |
[INFO] [stderr] 951 |         let mut m = try!(self.fetch_offsets(&[topic], offset));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1128:13
[INFO] [stderr]      |
[INFO] [stderr] 1128 |             try!(protocol::to_millis_i32(ack_timeout)),
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1281:12
[INFO] [stderr]      |
[INFO] [stderr] 1281 |         Ok(try!(__fetch_group_offsets(
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1358:17
[INFO] [stderr]      |
[INFO] [stderr] 1358 |         let r = try!(__send_receive_conn::<_, protocol::GroupCoordinatorResponse>(conn, &req));
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1395:24
[INFO] [stderr]      |
[INFO] [stderr] 1395 |             let host = try!(__get_group_coordinator(
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1402:13
[INFO] [stderr]      |
[INFO] [stderr] 1402 |             try!(__send_receive::<_, protocol::OffsetCommitResponse>(
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1463:24
[INFO] [stderr]      |
[INFO] [stderr] 1463 |             let host = try!(__get_group_coordinator(
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1470:13
[INFO] [stderr]      |
[INFO] [stderr] 1470 |             try!(__send_receive::<_, protocol::OffsetFetchResponse>(
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1546:18
[INFO] [stderr]      |
[INFO] [stderr] 1546 |         res.push(try!(__z_send_receive(conn_pool, host, now, &req, &p)));
[INFO] [stderr]      |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1560:13
[INFO] [stderr]      |
[INFO] [stderr] 1560 |             try!(__send_noack::<_, protocol::ProduceResponse>(
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1568:24
[INFO] [stderr]      |
[INFO] [stderr] 1568 |             let resp = try!(__send_receive::<_, protocol::ProduceResponse>(
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1589:33
[INFO] [stderr]      |
[INFO] [stderr] 1589 |     __send_receive_conn::<T, V>(try!(conn_pool.get_conn(host, now)), req)
[INFO] [stderr]      |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1597:5
[INFO] [stderr]      |
[INFO] [stderr] 1597 |     try!(__send_request(conn, req));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1611:20
[INFO] [stderr]      |
[INFO] [stderr] 1611 |     let mut conn = try!(conn_pool.get_conn(host, now));
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1621:5
[INFO] [stderr]      |
[INFO] [stderr] 1621 |     try!(request.encode(&mut buffer));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1624:5
[INFO] [stderr]      |
[INFO] [stderr] 1624 |     try!(size.encode(&mut &mut buffer[..]));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1633:16
[INFO] [stderr]      |
[INFO] [stderr] 1633 |     let size = try!(__get_response_size(conn));
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1634:16
[INFO] [stderr]      |
[INFO] [stderr] 1634 |     let resp = try!(conn.read_exact_alloc(size as u64));
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1664:20
[INFO] [stderr]      |
[INFO] [stderr] 1664 |     let mut conn = try!(conn_pool.get_conn(host, now));
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1665:5
[INFO] [stderr]      |
[INFO] [stderr] 1665 |     try!(__send_request(&mut conn, req));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1673:16
[INFO] [stderr]      |
[INFO] [stderr] 1673 |     let size = try!(__get_response_size(conn));
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1674:16
[INFO] [stderr]      |
[INFO] [stderr] 1674 |     let resp = try!(conn.read_exact_alloc(size as u64));
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/client/mod.rs:1693:5
[INFO] [stderr]      |
[INFO] [stderr] 1693 |     try!(conn.read_exact(&mut buf));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/consumer/state.rs:89:31
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     subs.push(try!(determine_partitions(x, client.topics())));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 try!(load_consumed_offsets(client, &config.group, &assignments, &subscriptions, n));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 try!(load_fetch_states(client, config, &assignments, &subscriptions, &consumed, n));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:213:16
[INFO] [stderr]     |
[INFO] [stderr] 213 |     let tpos = try!(client.fetch_group_offsets(
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:262:21
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let toffs = try!(client.fetch_offsets(topics, offset));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:285:13
[INFO] [stderr]     |
[INFO] [stderr] 285 |             try!(load_partition_offsets(client, &subscription_topics, config.fallback_offset));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:317:13
[INFO] [stderr]     |
[INFO] [stderr] 317 |             try!(load_partition_offsets(client, &subscription_topics, FetchOffset::Latest));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 |             try!(load_partition_offsets(client, &subscription_topics, FetchOffset::Earliest));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:382:9
[INFO] [stderr]     |
[INFO] [stderr] 382 |         try!(write!(f, "{{"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:385:17
[INFO] [stderr]     |
[INFO] [stderr] 385 |                 try!(write!(f, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:388:13
[INFO] [stderr]     |
[INFO] [stderr] 388 |             try!(write!(f, "\"{}:{}\": {:?}", topic, tp.partition, v));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |         try!(write!(f, "["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:404:17
[INFO] [stderr]     |
[INFO] [stderr] 404 |                 try!(write!(f, " ,"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/state.rs:406:13
[INFO] [stderr]     |
[INFO] [stderr] 406 |             try!(write!(f, "\"{}:{}\"", self.state.topic_name(tp.topic_ref), tp.partition));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/builder.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         try!(client.set_fetch_max_wait_time(self.fetch_max_wait_time));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/builder.rs:244:13
[INFO] [stderr]     |
[INFO] [stderr] 244 |             try!(client.load_metadata_all());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/builder.rs:252:21
[INFO] [stderr]     |
[INFO] [stderr] 252 |         let state = try!(State::new(&mut client, &config, assignment::from_map(self.assignments)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/mod.rs:156:41
[INFO] [stderr]     |
[INFO] [stderr] 156 |         self.process_fetch_responses(n, try!(resps))
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/consumer/mod.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 421 |         try!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/producer.rs:261:22
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let mut rs = try!(self.send_all(ref_slice(rec)));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/producer.rs:472:26
[INFO] [stderr]     |
[INFO] [stderr] 472 |             ack_timeout: try!(protocol::to_millis_i32(self.ack_timeout)),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/producer.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 |             try!(client.load_metadata_all());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/producer.rs:480:21
[INFO] [stderr]     |
[INFO] [stderr] 480 |         let state = try!(State::new(&mut client, self.partitioner));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/codecs.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(buffer.write_i16::<BigEndian>(l));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/codecs.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(buffer.write_i32::<BigEndian>(l));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codecs.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     try!(buffer.write_i32::<BigEndian>(l));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codecs.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         try!(f(buffer, x));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codecs.rs:229:13
[INFO] [stderr]     |
[INFO] [stderr] 229 |             try!(e.decode(buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 | /         try_multi!(
[INFO] [stderr] 130 | |             self.header.encode(buffer),
[INFO] [stderr] 131 | |             self.required_acks.encode(buffer),
[INFO] [stderr] 132 | |             self.timeout.encode(buffer),
[INFO] [stderr] 133 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 134 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |         try!(self.topic.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!((self.partitions.len() as i32).encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             try!(e._encode(buffer, self.compression))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(self.partition.encode(out));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |             try!(msg._encode_to_buf(&mut buf, MESSAGE_MAGIC_BYTE, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:169:29
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 let cdata = try!(gzip::compress(&buf));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 try!(render_compressed(&mut buf, &cdata, compression));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:174:29
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 let cdata = try!(snappy::compress(&buf));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 try!(render_compressed(&mut buf, &cdata, compression));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |         try!((0i64).encode(buffer)); // offset in the response request can be anything
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(size.encode(buffer)); // reserve space for the size to be computed later
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         try!(crc.encode(buffer)); // reserve space for the crc to be computed later
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         try!(magic.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         try!(attributes.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         try!(self.key.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |         try!(self.value.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         try!(crc.encode(&mut &mut buffer[crc_pos..crc_pos + 4]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/produce.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         try!(size.encode(&mut &mut buffer[size_pos..size_pos + 4]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 | /         try_multi!(
[INFO] [stderr] 328 | |             self.partition.decode(buffer),
[INFO] [stderr] 329 | |             self.error.decode(buffer),
[INFO] [stderr] 330 | |             self.offset.decode(buffer)
[INFO] [stderr] 331 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/offset.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 | /         try_multi!(
[INFO] [stderr] 81 | |             self.header.encode(buffer),
[INFO] [stderr] 82 | |             self.replica.encode(buffer),
[INFO] [stderr] 83 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 84 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/offset.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try_multi!(self.topic.encode(buffer), self.partitions.encode(buffer))
[INFO] [stderr]    |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:96:9
[INFO] [stderr]     |
[INFO] [stderr] 96  | /         try_multi!(
[INFO] [stderr] 97  | |             self.partition.encode(buffer),
[INFO] [stderr] 98  | |             self.time.encode(buffer),
[INFO] [stderr] 99  | |             self.max_offsets.encode(buffer)
[INFO] [stderr] 100 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 | /         try_multi!(
[INFO] [stderr] 168 | |             self.partition.decode(buffer),
[INFO] [stderr] 169 | |             self.error.decode(buffer),
[INFO] [stderr] 170 | |             self.offset.decode(buffer)
[INFO] [stderr] 171 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         try_multi!(self.header.encode(buffer), AsStrings(self.topics).encode(buffer))
[INFO] [stderr]    |         ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         try_multi!(
[INFO] [stderr] 68 | |             self.header.decode(buffer),
[INFO] [stderr] 69 | |             self.brokers.decode(buffer),
[INFO] [stderr] 70 | |             self.topics.decode(buffer)
[INFO] [stderr] 71 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try_multi!(self.node_id.decode(buffer), self.host.decode(buffer), self.port.decode(buffer))
[INFO] [stderr]    |         ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 | /         try_multi!(
[INFO] [stderr] 90 | |             self.error.decode(buffer),
[INFO] [stderr] 91 | |             self.topic.decode(buffer),
[INFO] [stderr] 92 | |             self.partitions.decode(buffer)
[INFO] [stderr] 93 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/metadata.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 | /         try_multi!(
[INFO] [stderr] 103 | |             self.error.decode(buffer),
[INFO] [stderr] 104 | |             self.id.decode(buffer),
[INFO] [stderr] 105 | |             self.leader.decode(buffer),
[INFO] [stderr] 106 | |             self.replicas.decode(buffer),
[INFO] [stderr] 107 | |             self.isr.decode(buffer)
[INFO] [stderr] 108 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/consumer.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try_multi!(self.header.encode(buffer), self.group.encode(buffer))
[INFO] [stderr]    |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/consumer.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 | /         try_multi!(
[INFO] [stderr] 65 | |             self.header.decode(buffer),
[INFO] [stderr] 66 | |             self.error.decode(buffer),
[INFO] [stderr] 67 | |             self.broker_id.decode(buffer),
[INFO] [stderr] 68 | |             self.host.decode(buffer),
[INFO] [stderr] 69 | |             self.port.decode(buffer)
[INFO] [stderr] 70 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 | /         try_multi!(
[INFO] [stderr] 159 | |             self.header.encode(buffer),
[INFO] [stderr] 160 | |             self.group.encode(buffer),
[INFO] [stderr] 161 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 162 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         try_multi!(self.topic.encode(buffer), self.partitions.encode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 | /         try_multi!(
[INFO] [stderr] 244 | |             self.partition.decode(buffer),
[INFO] [stderr] 245 | |             self.offset.decode(buffer),
[INFO] [stderr] 246 | |             self.metadata.decode(buffer),
[INFO] [stderr] 247 | |             self.error.decode(buffer)
[INFO] [stderr] 248 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:359:9
[INFO] [stderr]     |
[INFO] [stderr] 359 |         try!(self.header.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:360:9
[INFO] [stderr]     |
[INFO] [stderr] 360 |         try!(self.group.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:363:17
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 try!((-1i32).encode(buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:364:17
[INFO] [stderr]     |
[INFO] [stderr] 364 |                 try!("".encode(buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:367:17
[INFO] [stderr]     |
[INFO] [stderr] 367 |                 try!((-1i32).encode(buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:368:17
[INFO] [stderr]     |
[INFO] [stderr] 368 |                 try!("".encode(buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:369:17
[INFO] [stderr]     |
[INFO] [stderr] 369 |                 try!((-1i64).encode(buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:376:13
[INFO] [stderr]     |
[INFO] [stderr] 376 | /             try_multi!(
[INFO] [stderr] 377 | |                 tp.topic.encode(buffer),
[INFO] [stderr] 378 | |                 codecs::encode_as_array(buffer, &tp.partitions, |buffer, p| {
[INFO] [stderr] 379 | |                     try!(p.partition.encode(buffer));
[INFO] [stderr] ...   |
[INFO] [stderr] 385 | |                 })
[INFO] [stderr] 386 | |             )
[INFO] [stderr]     | |_____________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:379:21
[INFO] [stderr]     |
[INFO] [stderr] 379 |                     try!(p.partition.encode(buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:380:21
[INFO] [stderr]     |
[INFO] [stderr] 380 |                     try!(p.offset.encode(buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/consumer.rs:382:25
[INFO] [stderr]     |
[INFO] [stderr] 382 |                         try!((-1i64).encode(buffer));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:437:9
[INFO] [stderr]     |
[INFO] [stderr] 437 |         try_multi!(self.partition.decode(buffer), self.error.decode(buffer))
[INFO] [stderr]     |         -------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/zreader.rs:67:19
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let len = try!(self.read_i16());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/zreader.rs:72:34
[INFO] [stderr]    |
[INFO] [stderr] 72 |             match str::from_utf8(try!(self.read(len as usize))) {
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/zreader.rs:82:19
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let len = try!(self.read_i32());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol/zreader.rs:94:19
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let len = try!(self.read_i32());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(self.header.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(self.replica.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.max_wait_time.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.min_bytes.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         try!((self.topic_partitions.len() as i32).encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |             try!(tp.encode(name, buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         try!(topic.encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!((self.partitions.len() as i32).encode(buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |             try!(p.encode(pid, buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/fetch.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 | /         try_multi!(
[INFO] [stderr] 131 | |             partition.encode(buffer),
[INFO] [stderr] 132 | |             self.offset.encode(buffer),
[INFO] [stderr] 133 | |             self.max_bytes.encode(buffer)
[INFO] [stderr] 134 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:198:30
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let correlation_id = try!(r.read_i32());
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:160:23
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let n_elems = try!($zreader.read_array_len());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 199 |         let topics = array_of!(r, Topic::read(&mut r, reqs, validate_crc));
[INFO] [stderr]     |                      ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:163:24
[INFO] [stderr]     |
[INFO] [stderr] 163 |             array.push(try!($parse_elem));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 199 |         let topics = array_of!(r, Topic::read(&mut r, reqs, validate_crc));
[INFO] [stderr]     |                      ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:238:20
[INFO] [stderr]     |
[INFO] [stderr] 238 |         let name = try!(r.read_str());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:160:23
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let n_elems = try!($zreader.read_array_len());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 240 |         let partitions = array_of!(r, Partition::read(r, preqs, validate_crc));
[INFO] [stderr]     |                          ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:163:24
[INFO] [stderr]     |
[INFO] [stderr] 163 |             array.push(try!($parse_elem));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 240 |         let partitions = array_of!(r, Partition::read(r, preqs, validate_crc));
[INFO] [stderr]     |                          ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:283:25
[INFO] [stderr]     |
[INFO] [stderr] 283 |         let partition = try!(r.read_i32());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:288:42
[INFO] [stderr]     |
[INFO] [stderr] 288 |         let error = Error::from_protocol(try!(r.read_i16()));
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:291:29
[INFO] [stderr]     |
[INFO] [stderr] 291 |         let highwatermark = try!(r.read_i64());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:292:22
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let msgset = try!(MessageSet::from_slice(try!(r.read_bytes()), proffs, validate_crc));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:292:50
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let msgset = try!(MessageSet::from_slice(try!(r.read_bytes()), proffs, validate_crc));
[INFO] [stderr]     |                                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:375:18
[INFO] [stderr]     |
[INFO] [stderr] 375 |         let ms = try!(MessageSet::from_slice(
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:422:37
[INFO] [stderr]     |
[INFO] [stderr] 422 | ...                   let v = try!(gzip::uncompress(pmsg.value));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:423:39
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   return Ok(try!(MessageSet::from_vec(v, req_offset, validate_crc)));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:429:29
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   try!(try!(SnappyReader::new(pmsg.value)).read_to_end(&mut v));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:429:34
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   try!(try!(SnappyReader::new(pmsg.value)).read_to_end(&mut v));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:430:39
[INFO] [stderr]     |
[INFO] [stderr] 430 | ...                   return Ok(try!(MessageSet::from_vec(v, req_offset, validate_crc)));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:447:22
[INFO] [stderr]     |
[INFO] [stderr] 447 |         let offset = try!(r.read_i64());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:448:24
[INFO] [stderr]     |
[INFO] [stderr] 448 |         let msg_data = try!(r.read_bytes());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:449:21
[INFO] [stderr]     |
[INFO] [stderr] 449 |         Ok((offset, try!(ProtocolMessage::from_slice(msg_data, validate_crc))))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:467:23
[INFO] [stderr]     |
[INFO] [stderr] 467 |         let msg_crc = try!(r.read_i32());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:473:25
[INFO] [stderr]     |
[INFO] [stderr] 473 |         let msg_magic = try!(r.read_i8());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:477:24
[INFO] [stderr]     |
[INFO] [stderr] 477 |         let msg_attr = try!(r.read_i8());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:478:23
[INFO] [stderr]     |
[INFO] [stderr] 478 |         let msg_key = try!(r.read_bytes());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/fetch.rs:479:23
[INFO] [stderr]     |
[INFO] [stderr] 479 |         let msg_val = try!(r.read_bytes());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol/mod.rs:12:11
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 | /         try_multi!(
[INFO] [stderr] 134 | |             self.api_key.encode(buffer),
[INFO] [stderr] 135 | |             self.api_version.encode(buffer),
[INFO] [stderr] 136 | |             self.correlation_id.encode(buffer),
[INFO] [stderr] 137 | |             self.client_id.encode(buffer)
[INFO] [stderr] 138 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compression/gzip.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     try!(e.write(src));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compression/gzip.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let compressed_bytes = try!(e.finish());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compression/gzip.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut d = try!(GzDecoder::new(src));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compression/snappy.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                     try!(snap::Decoder::new().decompress(src, buf))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compression/snappy.rs:125:18
[INFO] [stderr]     |
[INFO] [stderr] 125 |         stream = try!(validate_stream(stream));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compression/snappy.rs:136:19
[INFO] [stderr]     |
[INFO] [stderr] 136 |         } else if try!(self.next_chunk()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compression/snappy.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let n = try!((&self.uncompressed_chunk[self.uncompressed_pos..]).read(buf));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compression/snappy.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         try!(uncompress_to(&self.compressed_data[..chunk_size], &mut self.uncompressed_chunk));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compression/snappy.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |             try!(uncompress_to(c1, buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/error.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | /// The various errors this library can produce.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `openssl::error::ErrorStack`
[INFO] [stderr]  --> src/error.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use openssl::error::ErrorStack;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 | /         try_multi!(
[INFO] [stderr] 130 | |             self.header.encode(buffer),
[INFO] [stderr] 131 | |             self.required_acks.encode(buffer),
[INFO] [stderr] 132 | |             self.timeout.encode(buffer),
[INFO] [stderr] 133 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 134 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 77 | |     }
[INFO] [stderr] 78 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/produce.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 | /         try_multi!(
[INFO] [stderr] 328 | |             self.partition.decode(buffer),
[INFO] [stderr] 329 | |             self.error.decode(buffer),
[INFO] [stderr] 330 | |             self.offset.decode(buffer)
[INFO] [stderr] 331 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |                           ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/offset.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 | /         try_multi!(
[INFO] [stderr] 81 | |             self.header.encode(buffer),
[INFO] [stderr] 82 | |             self.replica.encode(buffer),
[INFO] [stderr] 83 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 84 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |                         ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/offset.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try_multi!(self.topic.encode(buffer), self.partitions.encode(buffer))
[INFO] [stderr]    |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:96:9
[INFO] [stderr]     |
[INFO] [stderr] 96  | /         try_multi!(
[INFO] [stderr] 97  | |             self.partition.encode(buffer),
[INFO] [stderr] 98  | |             self.time.encode(buffer),
[INFO] [stderr] 99  | |             self.max_offsets.encode(buffer)
[INFO] [stderr] 100 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/offset.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 | /         try_multi!(
[INFO] [stderr] 168 | |             self.partition.decode(buffer),
[INFO] [stderr] 169 | |             self.error.decode(buffer),
[INFO] [stderr] 170 | |             self.offset.decode(buffer)
[INFO] [stderr] 171 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |                         ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         try_multi!(self.header.encode(buffer), AsStrings(self.topics).encode(buffer))
[INFO] [stderr]    |         ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |                           ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         try_multi!(
[INFO] [stderr] 68 | |             self.header.decode(buffer),
[INFO] [stderr] 69 | |             self.brokers.decode(buffer),
[INFO] [stderr] 70 | |             self.topics.decode(buffer)
[INFO] [stderr] 71 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |                         ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try_multi!(self.node_id.decode(buffer), self.host.decode(buffer), self.port.decode(buffer))
[INFO] [stderr]    |         ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |                           ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/metadata.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 | /         try_multi!(
[INFO] [stderr] 90 | |             self.error.decode(buffer),
[INFO] [stderr] 91 | |             self.topic.decode(buffer),
[INFO] [stderr] 92 | |             self.partitions.decode(buffer)
[INFO] [stderr] 93 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/metadata.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 | /         try_multi!(
[INFO] [stderr] 103 | |             self.error.decode(buffer),
[INFO] [stderr] 104 | |             self.id.decode(buffer),
[INFO] [stderr] 105 | |             self.leader.decode(buffer),
[INFO] [stderr] 106 | |             self.replicas.decode(buffer),
[INFO] [stderr] 107 | |             self.isr.decode(buffer)
[INFO] [stderr] 108 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |         $(try!($expr);)*;
[INFO] [stderr]    |                         ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/consumer.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try_multi!(self.header.encode(buffer), self.group.encode(buffer))
[INFO] [stderr]    |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/protocol/mod.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |           $(try!($expr);)*;
[INFO] [stderr]    |                           ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/protocol/consumer.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 | /         try_multi!(
[INFO] [stderr] 65 | |             self.header.decode(buffer),
[INFO] [stderr] 66 | |             self.error.decode(buffer),
[INFO] [stderr] 67 | |             self.broker_id.decode(buffer),
[INFO] [stderr] 68 | |             self.host.decode(buffer),
[INFO] [stderr] 69 | |             self.port.decode(buffer)
[INFO] [stderr] 70 | |         )
[INFO] [stderr]    | |_________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 | /         try_multi!(
[INFO] [stderr] 159 | |             self.header.encode(buffer),
[INFO] [stderr] 160 | |             self.group.encode(buffer),
[INFO] [stderr] 161 | |             self.topic_partitions.encode(buffer)
[INFO] [stderr] 162 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         try_multi!(self.topic.encode(buffer), self.partitions.encode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 | /         try_multi!(
[INFO] [stderr] 244 | |             self.partition.decode(buffer),
[INFO] [stderr] 245 | |             self.offset.decode(buffer),
[INFO] [stderr] 246 | |             self.metadata.decode(buffer),
[INFO] [stderr] 247 | |             self.error.decode(buffer)
[INFO] [stderr] 248 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:376:13
[INFO] [stderr]     |
[INFO] [stderr] 376 | /             try_multi!(
[INFO] [stderr] 377 | |                 tp.topic.encode(buffer),
[INFO] [stderr] 378 | |                 codecs::encode_as_array(buffer, &tp.partitions, |buffer, p| {
[INFO] [stderr] 379 | |                     try!(p.partition.encode(buffer));
[INFO] [stderr] ...   |
[INFO] [stderr] 385 | |                 })
[INFO] [stderr] 386 | |             )
[INFO] [stderr]     | |_____________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 |         try_multi!(self.header.decode(buffer), self.topic_partitions.decode(buffer))
[INFO] [stderr]     |         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |         try_multi!(self.topic.decode(buffer), self.partitions.decode(buffer))
[INFO] [stderr]     |         --------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |         $(try!($expr);)*;
[INFO] [stderr]     |                         ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/consumer.rs:437:9
[INFO] [stderr]     |
[INFO] [stderr] 437 |         try_multi!(self.partition.decode(buffer), self.error.decode(buffer))
[INFO] [stderr]     |         -------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/protocol/fetch.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 | /         try_multi!(
[INFO] [stderr] 131 | |             partition.encode(buffer),
[INFO] [stderr] 132 | |             self.offset.encode(buffer),
[INFO] [stderr] 133 | |             self.max_bytes.encode(buffer)
[INFO] [stderr] 134 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/protocol/mod.rs:12:25
[INFO] [stderr]     |
[INFO] [stderr] 12  |           $(try!($expr);)*;
[INFO] [stderr]     |                           ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 133 | /         try_multi!(
[INFO] [stderr] 134 | |             self.api_key.encode(buffer),
[INFO] [stderr] 135 | |             self.api_version.encode(buffer),
[INFO] [stderr] 136 | |             self.correlation_id.encode(buffer),
[INFO] [stderr] 137 | |             self.client_id.encode(buffer)
[INFO] [stderr] 138 | |         )
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/compression/gzip.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Ok((compressed_bytes))
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 77 | |     }
[INFO] [stderr] 78 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 77 | |     }
[INFO] [stderr] 78 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consumer/mod.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let mut retry_partitions = &mut self.state.retry_partitions;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 77 | |     }
[INFO] [stderr] 78 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consumer/mod.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let mut retry_partitions = &mut self.state.retry_partitions;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/console-producer.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     try!(client.load_metadata_all());
[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]   --> examples/console-producer.rs:55:40
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let mut r = BufReader::new(try!(File::open(file)));
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/console-producer.rs:62:24
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let mut producer = try!(
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/console-producer.rs:103:12
[INFO] [stderr]     |
[INFO] [stderr] 103 |         if try!(src.read_line(&mut rec.value)) == 0 {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/console-producer.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |         try!(producer.send(&rec));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/console-producer.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |             try!(send_batch(producer, &rec_stash));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/console-producer.rs:139:12
[INFO] [stderr]     |
[INFO] [stderr] 139 |         if try!(src.read_line(&mut rec.value)) == 0 {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/console-producer.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(send_batch(producer, &rec_stash[..next_rec]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/console-producer.rs:156:14
[INFO] [stderr]     |
[INFO] [stderr] 156 |     let rs = try!(producer.send_all(batch));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/console-producer.rs:247:25
[INFO] [stderr]     |
[INFO] [stderr] 247 |             batch_size: try!(to_number(m.opt_str("batch-size"), 1)),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/console-producer.rs:248:54
[INFO] [stderr]     |
[INFO] [stderr] 248 |             conn_idle_timeout: Duration::from_millis(try!(to_number(
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/console-producer.rs:253:17
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 try!(to_number(m.opt_str("ack-timeout"), DEFAULT_ACK_TIMEOUT_MILLIS)),
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/console-producer.rs:61:27
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn produce_impl(src: &mut BufRead, client: KafkaClient, cfg: &Config) -> Result<()> {
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/console-producer.rs:98:60
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn produce_impl_nobatch(producer: &mut Producer, src: &mut BufRead, cfg: &Config) -> Result<()> {
[INFO] [stderr]    |                                                            ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> examples/console-producer.rs:119:62
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn produce_impl_inbatches(producer: &mut Producer, src: &mut BufRead, cfg: &Config) -> Result<()> {
[INFO] [stderr]     |                                                              ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]    --> examples/console-producer.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |         use std::ascii::AsciiExt;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> examples/console-producer.rs:171:1
[INFO] [stderr]     |
[INFO] [stderr] 171 | / error_chain! {
[INFO] [stderr] 172 | |     links {
[INFO] [stderr] 173 | |         Kafka(kafka::error::Error, kafka::error::ErrorKind);
[INFO] [stderr] 174 | |     }
[INFO] [stderr] ...   |
[INFO] [stderr] 178 | |     }
[INFO] [stderr] 179 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/topic-metadata.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     try!(client.load_metadata_all().map_err(|e| e.to_string()));
[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]   --> examples/topic-metadata.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut offsets = try!(client.fetch_offsets(&topics, FetchOffset::Latest).map_err(
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/topic-metadata.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |         offsets = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/example-produce.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut producer = try!(
[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]   --> examples/example-produce.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     try!(producer.send(&Record {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/example-produce.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     try!(producer.send(&Record::from_value(topic, data)));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/console-consumer.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(cb.create())
[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]   --> examples/console-consumer.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |         for ms in try!(c.poll()).iter() {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/console-consumer.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 try!(stdout.write_all(&buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/console-consumer.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             try!(c.commit_consumed());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> examples/console-consumer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> examples/console-consumer.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | / error_chain! {
[INFO] [stderr] 76 | |     foreign_links {
[INFO] [stderr] 77 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 78 | |         Io(io::Error);
[INFO] [stderr] 79 | |         Opt(getopts::Fail);
[INFO] [stderr] 80 | |     }
[INFO] [stderr] 81 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> examples/console-producer.rs:171:1
[INFO] [stderr]     |
[INFO] [stderr] 171 | / error_chain! {
[INFO] [stderr] 172 | |     links {
[INFO] [stderr] 173 | |         Kafka(kafka::error::Error, kafka::error::ErrorKind);
[INFO] [stderr] 174 | |     }
[INFO] [stderr] ...   |
[INFO] [stderr] 178 | |     }
[INFO] [stderr] 179 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]    --> examples/console-producer.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |         use std::ascii::AsciiExt;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/console-producer.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut rec = &mut rec_stash[next_rec];
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/example-consume.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut con = try!(
[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]   --> examples/example-consume.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mss = try!(con.poll());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/example-consume.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(con.commit_consumed());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/topic-metadata.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |             let mut offs = m.get_mut(&topic).expect("unknown topic");
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> examples/console-consumer.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | / error_chain! {
[INFO] [stderr] 76 | |     foreign_links {
[INFO] [stderr] 77 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 78 | |         Io(io::Error);
[INFO] [stderr] 79 | |         Opt(getopts::Fail);
[INFO] [stderr] 80 | |     }
[INFO] [stderr] 81 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> examples/console-consumer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/offset-monitor.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     try!(client.load_metadata_all());
[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]   --> examples/offset-monitor.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     try!(printer.print_head(num_partitions));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/offset-monitor.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         try!(state.update_partitions(&mut client, &cfg.topic, &cfg.group));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/offset-monitor.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(printer.print_offsets(&t, &state.offsets));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/offset-monitor.rs:126:23
[INFO] [stderr]     |
[INFO] [stderr] 126 |         let latests = try!(client.fetch_topic_offsets(topic, FetchOffset::Latest));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/offset-monitor.rs:138:26
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let groups = try!(client.fetch_group_topic_offsets(group, topic));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/offset-monitor.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |             try!(self.out.write_all(self.out_buf.as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/offset-monitor.rs:285:9
[INFO] [stderr]     |
[INFO] [stderr] 285 |         try!(self.out.write_all(self.out_buf.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> examples/offset-monitor.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> examples/offset-monitor.rs:367:1
[INFO] [stderr]     |
[INFO] [stderr] 367 | / error_chain! {
[INFO] [stderr] 368 | |     foreign_links {
[INFO] [stderr] 369 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 370 | |         Io(io::Error);
[INFO] [stderr] 371 | |         Opt(getopts::Fail);
[INFO] [stderr] 372 | |     }
[INFO] [stderr] 373 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> examples/offset-monitor.rs:367:1
[INFO] [stderr]     |
[INFO] [stderr] 367 | / error_chain! {
[INFO] [stderr] 368 | |     foreign_links {
[INFO] [stderr] 369 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 370 | |         Io(io::Error);
[INFO] [stderr] 371 | |         Opt(getopts::Fail);
[INFO] [stderr] 372 | |     }
[INFO] [stderr] 373 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> examples/offset-monitor.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.80s
[INFO] running `"docker" "inspect" "f6bdfad3438d46d1e5a512f5e6750a187a8f7cfcd1d35a282559e32e66dbafde"`
[INFO] running `"docker" "rm" "-f" "f6bdfad3438d46d1e5a512f5e6750a187a8f7cfcd1d35a282559e32e66dbafde"`
[INFO] [stdout] f6bdfad3438d46d1e5a512f5e6750a187a8f7cfcd1d35a282559e32e66dbafde
