[INFO] updating cached repository https://github.com/jmjoy/dns-regex
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0fc21b5ef0d8e13e50796c8175845804cb62a32e
[INFO] testing jmjoy/dns-regex against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmjoy%2Fdns-regex" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmjoy/dns-regex on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jmjoy/dns-regex
[INFO] finished tweaking git repo https://github.com/jmjoy/dns-regex
[INFO] tweaked toml for git repo https://github.com/jmjoy/dns-regex written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jmjoy/dns-regex already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c73e3ff27d2724cb112367e7e54bfede3b8c00e1d3534b49a57d78217bcad6e
[INFO] running `"docker" "start" "-a" "6c73e3ff27d2724cb112367e7e54bfede3b8c00e1d3534b49a57d78217bcad6e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling dirty-dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let res = ((r#try!(self.read()) as u16) << 8) | (r#try!(self.read()) as u16);
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:58
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let res = ((r#try!(self.read()) as u16) << 8) | (r#try!(self.read()) as u16);
[INFO] [stderr]    |                                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let res = ((r#try!(self.read()) as u32) << 24)
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |             | ((r#try!(self.read()) as u32) << 16)
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |             | ((r#try!(self.read()) as u32) << 8)
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             | ((r#try!(self.read()) as u32) << 0);
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let len = r#try!(self.get(pos));
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |                     r#try!(self.seek(pos + 2));
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 let b2 = r#try!(self.get(pos + 1)) as u16;
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:117:30
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let str_buffer = r#try!(self.get_range(pos, len as usize));
[INFO] [stderr]     |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             r#try!(self.seek(pos));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         r#try!(self.write(val));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         r#try!(self.write((val >> 8) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         r#try!(self.write((val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         r#try!(self.write(((val >> 24) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         r#try!(self.write(((val >> 16) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         r#try!(self.write(((val >> 8) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         r#try!(self.write(((val >> 0) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |             r#try!(self.write_u8(len as u8));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 r#try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         r#try!(self.write_u8(0));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         r#try!(self.set(pos, (val >> 8) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         r#try!(self.set(pos + 1, (val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:281:19
[INFO] [stderr]     |
[INFO] [stderr] 281 |         self.id = r#try!(buffer.read_u16());
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:283:21
[INFO] [stderr]     |
[INFO] [stderr] 283 |         let flags = r#try!(buffer.read_u16());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:298:26
[INFO] [stderr]     |
[INFO] [stderr] 298 |         self.questions = r#try!(buffer.read_u16());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 |         self.answers = r#try!(buffer.read_u16());
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:300:38
[INFO] [stderr]     |
[INFO] [stderr] 300 |         self.authoritative_entries = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:301:33
[INFO] [stderr]     |
[INFO] [stderr] 301 |         self.resource_entries = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 |         r#try!(buffer.write_u16(self.id));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         r#try!(buffer.write_u8(
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         r#try!(buffer.write_u8(
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         r#try!(buffer.write_u16(self.questions));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         r#try!(buffer.write_u16(self.answers));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:328:9
[INFO] [stderr]     |
[INFO] [stderr] 328 |         r#try!(buffer.write_u16(self.authoritative_entries));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:329:9
[INFO] [stderr]     |
[INFO] [stderr] 329 |         r#try!(buffer.write_u16(self.resource_entries));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         r#try!(buffer.read_qname(&mut self.name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:389:42
[INFO] [stderr]     |
[INFO] [stderr] 389 |         self.qtype = QueryType::from_num(r#try!(buffer.read_u16())); // qtype
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:390:17
[INFO] [stderr]     |
[INFO] [stderr] 390 |         let _ = r#try!(buffer.read_u16()); // class
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:396:9
[INFO] [stderr]     |
[INFO] [stderr] 396 |         r#try!(buffer.write_qname(&self.name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         r#try!(buffer.write_u16(typenum));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |         r#try!(buffer.write_u16(1));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:451:9
[INFO] [stderr]     |
[INFO] [stderr] 451 |         r#try!(buffer.read_qname(&mut domain));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:453:25
[INFO] [stderr]     |
[INFO] [stderr] 453 |         let qtype_num = r#try!(buffer.read_u16());
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |         let _ = r#try!(buffer.read_u16());
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:456:19
[INFO] [stderr]     |
[INFO] [stderr] 456 |         let ttl = r#try!(buffer.read_u32());
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:457:24
[INFO] [stderr]     |
[INFO] [stderr] 457 |         let data_len = r#try!(buffer.read_u16());
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:461:32
[INFO] [stderr]     |
[INFO] [stderr] 461 |                 let raw_addr = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:476:33
[INFO] [stderr]     |
[INFO] [stderr] 476 |                 let raw_addr1 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:477:33
[INFO] [stderr]     |
[INFO] [stderr] 477 |                 let raw_addr2 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:478:33
[INFO] [stderr]     |
[INFO] [stderr] 478 |                 let raw_addr3 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:479:33
[INFO] [stderr]     |
[INFO] [stderr] 479 |                 let raw_addr4 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:499:17
[INFO] [stderr]     |
[INFO] [stderr] 499 |                 r#try!(buffer.read_qname(&mut ns));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:509:17
[INFO] [stderr]     |
[INFO] [stderr] 509 |                 r#try!(buffer.read_qname(&mut cname));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:518:32
[INFO] [stderr]     |
[INFO] [stderr] 518 |                 let priority = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:520:17
[INFO] [stderr]     |
[INFO] [stderr] 520 |                 r#try!(buffer.read_qname(&mut mx));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:530:17
[INFO] [stderr]     |
[INFO] [stderr] 530 |                 r#try!(buffer.step(data_len as usize));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:551:17
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:552:17
[INFO] [stderr]     |
[INFO] [stderr] 552 |                 r#try!(buffer.write_u16(QueryType::A.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:553:17
[INFO] [stderr]     |
[INFO] [stderr] 553 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:554:17
[INFO] [stderr]     |
[INFO] [stderr] 554 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:555:17
[INFO] [stderr]     |
[INFO] [stderr] 555 |                 r#try!(buffer.write_u16(4));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:558:17
[INFO] [stderr]     |
[INFO] [stderr] 558 |                 r#try!(buffer.write_u8(octets[0]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:559:17
[INFO] [stderr]     |
[INFO] [stderr] 559 |                 r#try!(buffer.write_u8(octets[1]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:560:17
[INFO] [stderr]     |
[INFO] [stderr] 560 |                 r#try!(buffer.write_u8(octets[2]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:561:17
[INFO] [stderr]     |
[INFO] [stderr] 561 |                 r#try!(buffer.write_u8(octets[3]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:568:17
[INFO] [stderr]     |
[INFO] [stderr] 568 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:569:17
[INFO] [stderr]     |
[INFO] [stderr] 569 |                 r#try!(buffer.write_u16(QueryType::NS.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:570:17
[INFO] [stderr]     |
[INFO] [stderr] 570 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:571:17
[INFO] [stderr]     |
[INFO] [stderr] 571 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:574:17
[INFO] [stderr]     |
[INFO] [stderr] 574 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:576:17
[INFO] [stderr]     |
[INFO] [stderr] 576 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:579:17
[INFO] [stderr]     |
[INFO] [stderr] 579 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:586:17
[INFO] [stderr]     |
[INFO] [stderr] 586 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:587:17
[INFO] [stderr]     |
[INFO] [stderr] 587 |                 r#try!(buffer.write_u16(QueryType::CNAME.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:588:17
[INFO] [stderr]     |
[INFO] [stderr] 588 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:589:17
[INFO] [stderr]     |
[INFO] [stderr] 589 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:592:17
[INFO] [stderr]     |
[INFO] [stderr] 592 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:594:17
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:605:17
[INFO] [stderr]     |
[INFO] [stderr] 605 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:606:17
[INFO] [stderr]     |
[INFO] [stderr] 606 |                 r#try!(buffer.write_u16(QueryType::MX.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:607:17
[INFO] [stderr]     |
[INFO] [stderr] 607 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:608:17
[INFO] [stderr]     |
[INFO] [stderr] 608 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:611:17
[INFO] [stderr]     |
[INFO] [stderr] 611 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:613:17
[INFO] [stderr]     |
[INFO] [stderr] 613 |                 r#try!(buffer.write_u16(priority));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:614:17
[INFO] [stderr]     |
[INFO] [stderr] 614 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:617:17
[INFO] [stderr]     |
[INFO] [stderr] 617 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:624:17
[INFO] [stderr]     |
[INFO] [stderr] 624 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:625:17
[INFO] [stderr]     |
[INFO] [stderr] 625 |                 r#try!(buffer.write_u16(QueryType::AAAA.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:626:17
[INFO] [stderr]     |
[INFO] [stderr] 626 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:627:17
[INFO] [stderr]     |
[INFO] [stderr] 627 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:628:17
[INFO] [stderr]     |
[INFO] [stderr] 628 |                 r#try!(buffer.write_u16(16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:631:21
[INFO] [stderr]     |
[INFO] [stderr] 631 |                     r#try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:665:9
[INFO] [stderr]     |
[INFO] [stderr] 665 |         r#try!(result.header.read(buffer));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:669:13
[INFO] [stderr]     |
[INFO] [stderr] 669 |             r#try!(question.read(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:674:23
[INFO] [stderr]     |
[INFO] [stderr] 674 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:678:23
[INFO] [stderr]     |
[INFO] [stderr] 678 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:682:23
[INFO] [stderr]     |
[INFO] [stderr] 682 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:695:9
[INFO] [stderr]     |
[INFO] [stderr] 695 |         r#try!(self.header.write(buffer));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:698:13
[INFO] [stderr]     |
[INFO] [stderr] 698 |             r#try!(question.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:701:13
[INFO] [stderr]     |
[INFO] [stderr] 701 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:704:13
[INFO] [stderr]     |
[INFO] [stderr] 704 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:707:13
[INFO] [stderr]     |
[INFO] [stderr] 707 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:716:18
[INFO] [stderr]     |
[INFO] [stderr] 716 |     let socket = r#try!(UdpSocket::bind(("0.0.0.0", 43210)));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:729:5
[INFO] [stderr]     |
[INFO] [stderr] 729 |     r#try!(socket.send_to(&req_buffer.buf[0..req_buffer.pos], server));
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 106 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.42s
[INFO] running `"docker" "inspect" "6c73e3ff27d2724cb112367e7e54bfede3b8c00e1d3534b49a57d78217bcad6e"`
[INFO] running `"docker" "rm" "-f" "6c73e3ff27d2724cb112367e7e54bfede3b8c00e1d3534b49a57d78217bcad6e"`
[INFO] [stdout] 6c73e3ff27d2724cb112367e7e54bfede3b8c00e1d3534b49a57d78217bcad6e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 688b2ad5d522af01b7cecf30036a7ae7e923d6a295be814ac5fd2f766ab36866
[INFO] running `"docker" "start" "-a" "688b2ad5d522af01b7cecf30036a7ae7e923d6a295be814ac5fd2f766ab36866"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling dirty-dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let res = ((r#try!(self.read()) as u16) << 8) | (r#try!(self.read()) as u16);
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:58
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let res = ((r#try!(self.read()) as u16) << 8) | (r#try!(self.read()) as u16);
[INFO] [stderr]    |                                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let res = ((r#try!(self.read()) as u32) << 24)
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |             | ((r#try!(self.read()) as u32) << 16)
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |             | ((r#try!(self.read()) as u32) << 8)
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             | ((r#try!(self.read()) as u32) << 0);
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let len = r#try!(self.get(pos));
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |                     r#try!(self.seek(pos + 2));
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 let b2 = r#try!(self.get(pos + 1)) as u16;
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:117:30
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let str_buffer = r#try!(self.get_range(pos, len as usize));
[INFO] [stderr]     |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             r#try!(self.seek(pos));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         r#try!(self.write(val));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         r#try!(self.write((val >> 8) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         r#try!(self.write((val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         r#try!(self.write(((val >> 24) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         r#try!(self.write(((val >> 16) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         r#try!(self.write(((val >> 8) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         r#try!(self.write(((val >> 0) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |             r#try!(self.write_u8(len as u8));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 r#try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         r#try!(self.write_u8(0));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         r#try!(self.set(pos, (val >> 8) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         r#try!(self.set(pos + 1, (val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:281:19
[INFO] [stderr]     |
[INFO] [stderr] 281 |         self.id = r#try!(buffer.read_u16());
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:283:21
[INFO] [stderr]     |
[INFO] [stderr] 283 |         let flags = r#try!(buffer.read_u16());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:298:26
[INFO] [stderr]     |
[INFO] [stderr] 298 |         self.questions = r#try!(buffer.read_u16());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 |         self.answers = r#try!(buffer.read_u16());
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:300:38
[INFO] [stderr]     |
[INFO] [stderr] 300 |         self.authoritative_entries = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:301:33
[INFO] [stderr]     |
[INFO] [stderr] 301 |         self.resource_entries = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 |         r#try!(buffer.write_u16(self.id));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         r#try!(buffer.write_u8(
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         r#try!(buffer.write_u8(
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         r#try!(buffer.write_u16(self.questions));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         r#try!(buffer.write_u16(self.answers));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:328:9
[INFO] [stderr]     |
[INFO] [stderr] 328 |         r#try!(buffer.write_u16(self.authoritative_entries));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:329:9
[INFO] [stderr]     |
[INFO] [stderr] 329 |         r#try!(buffer.write_u16(self.resource_entries));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         r#try!(buffer.read_qname(&mut self.name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:389:42
[INFO] [stderr]     |
[INFO] [stderr] 389 |         self.qtype = QueryType::from_num(r#try!(buffer.read_u16())); // qtype
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:390:17
[INFO] [stderr]     |
[INFO] [stderr] 390 |         let _ = r#try!(buffer.read_u16()); // class
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:396:9
[INFO] [stderr]     |
[INFO] [stderr] 396 |         r#try!(buffer.write_qname(&self.name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         r#try!(buffer.write_u16(typenum));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |         r#try!(buffer.write_u16(1));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:451:9
[INFO] [stderr]     |
[INFO] [stderr] 451 |         r#try!(buffer.read_qname(&mut domain));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:453:25
[INFO] [stderr]     |
[INFO] [stderr] 453 |         let qtype_num = r#try!(buffer.read_u16());
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |         let _ = r#try!(buffer.read_u16());
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:456:19
[INFO] [stderr]     |
[INFO] [stderr] 456 |         let ttl = r#try!(buffer.read_u32());
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:457:24
[INFO] [stderr]     |
[INFO] [stderr] 457 |         let data_len = r#try!(buffer.read_u16());
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:461:32
[INFO] [stderr]     |
[INFO] [stderr] 461 |                 let raw_addr = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:476:33
[INFO] [stderr]     |
[INFO] [stderr] 476 |                 let raw_addr1 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:477:33
[INFO] [stderr]     |
[INFO] [stderr] 477 |                 let raw_addr2 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:478:33
[INFO] [stderr]     |
[INFO] [stderr] 478 |                 let raw_addr3 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:479:33
[INFO] [stderr]     |
[INFO] [stderr] 479 |                 let raw_addr4 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:499:17
[INFO] [stderr]     |
[INFO] [stderr] 499 |                 r#try!(buffer.read_qname(&mut ns));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:509:17
[INFO] [stderr]     |
[INFO] [stderr] 509 |                 r#try!(buffer.read_qname(&mut cname));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:518:32
[INFO] [stderr]     |
[INFO] [stderr] 518 |                 let priority = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:520:17
[INFO] [stderr]     |
[INFO] [stderr] 520 |                 r#try!(buffer.read_qname(&mut mx));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:530:17
[INFO] [stderr]     |
[INFO] [stderr] 530 |                 r#try!(buffer.step(data_len as usize));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:551:17
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:552:17
[INFO] [stderr]     |
[INFO] [stderr] 552 |                 r#try!(buffer.write_u16(QueryType::A.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:553:17
[INFO] [stderr]     |
[INFO] [stderr] 553 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:554:17
[INFO] [stderr]     |
[INFO] [stderr] 554 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:555:17
[INFO] [stderr]     |
[INFO] [stderr] 555 |                 r#try!(buffer.write_u16(4));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:558:17
[INFO] [stderr]     |
[INFO] [stderr] 558 |                 r#try!(buffer.write_u8(octets[0]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:559:17
[INFO] [stderr]     |
[INFO] [stderr] 559 |                 r#try!(buffer.write_u8(octets[1]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:560:17
[INFO] [stderr]     |
[INFO] [stderr] 560 |                 r#try!(buffer.write_u8(octets[2]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:561:17
[INFO] [stderr]     |
[INFO] [stderr] 561 |                 r#try!(buffer.write_u8(octets[3]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:568:17
[INFO] [stderr]     |
[INFO] [stderr] 568 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:569:17
[INFO] [stderr]     |
[INFO] [stderr] 569 |                 r#try!(buffer.write_u16(QueryType::NS.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:570:17
[INFO] [stderr]     |
[INFO] [stderr] 570 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:571:17
[INFO] [stderr]     |
[INFO] [stderr] 571 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:574:17
[INFO] [stderr]     |
[INFO] [stderr] 574 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:576:17
[INFO] [stderr]     |
[INFO] [stderr] 576 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:579:17
[INFO] [stderr]     |
[INFO] [stderr] 579 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:586:17
[INFO] [stderr]     |
[INFO] [stderr] 586 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:587:17
[INFO] [stderr]     |
[INFO] [stderr] 587 |                 r#try!(buffer.write_u16(QueryType::CNAME.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:588:17
[INFO] [stderr]     |
[INFO] [stderr] 588 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:589:17
[INFO] [stderr]     |
[INFO] [stderr] 589 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:592:17
[INFO] [stderr]     |
[INFO] [stderr] 592 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:594:17
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:605:17
[INFO] [stderr]     |
[INFO] [stderr] 605 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:606:17
[INFO] [stderr]     |
[INFO] [stderr] 606 |                 r#try!(buffer.write_u16(QueryType::MX.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:607:17
[INFO] [stderr]     |
[INFO] [stderr] 607 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:608:17
[INFO] [stderr]     |
[INFO] [stderr] 608 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:611:17
[INFO] [stderr]     |
[INFO] [stderr] 611 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:613:17
[INFO] [stderr]     |
[INFO] [stderr] 613 |                 r#try!(buffer.write_u16(priority));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:614:17
[INFO] [stderr]     |
[INFO] [stderr] 614 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:617:17
[INFO] [stderr]     |
[INFO] [stderr] 617 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:624:17
[INFO] [stderr]     |
[INFO] [stderr] 624 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:625:17
[INFO] [stderr]     |
[INFO] [stderr] 625 |                 r#try!(buffer.write_u16(QueryType::AAAA.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:626:17
[INFO] [stderr]     |
[INFO] [stderr] 626 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:627:17
[INFO] [stderr]     |
[INFO] [stderr] 627 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:628:17
[INFO] [stderr]     |
[INFO] [stderr] 628 |                 r#try!(buffer.write_u16(16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:631:21
[INFO] [stderr]     |
[INFO] [stderr] 631 |                     r#try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:665:9
[INFO] [stderr]     |
[INFO] [stderr] 665 |         r#try!(result.header.read(buffer));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:669:13
[INFO] [stderr]     |
[INFO] [stderr] 669 |             r#try!(question.read(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:674:23
[INFO] [stderr]     |
[INFO] [stderr] 674 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:678:23
[INFO] [stderr]     |
[INFO] [stderr] 678 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:682:23
[INFO] [stderr]     |
[INFO] [stderr] 682 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:695:9
[INFO] [stderr]     |
[INFO] [stderr] 695 |         r#try!(self.header.write(buffer));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:698:13
[INFO] [stderr]     |
[INFO] [stderr] 698 |             r#try!(question.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:701:13
[INFO] [stderr]     |
[INFO] [stderr] 701 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:704:13
[INFO] [stderr]     |
[INFO] [stderr] 704 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:707:13
[INFO] [stderr]     |
[INFO] [stderr] 707 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:716:18
[INFO] [stderr]     |
[INFO] [stderr] 716 |     let socket = r#try!(UdpSocket::bind(("0.0.0.0", 43210)));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:729:5
[INFO] [stderr]     |
[INFO] [stderr] 729 |     r#try!(socket.send_to(&req_buffer.buf[0..req_buffer.pos], server));
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 106 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_main`
[INFO] [stderr]  --> tests/test_main.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn test_main() {}
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let res = ((r#try!(self.read()) as u16) << 8) | (r#try!(self.read()) as u16);
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:58
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let res = ((r#try!(self.read()) as u16) << 8) | (r#try!(self.read()) as u16);
[INFO] [stderr]    |                                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let res = ((r#try!(self.read()) as u32) << 24)
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |             | ((r#try!(self.read()) as u32) << 16)
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |             | ((r#try!(self.read()) as u32) << 8)
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             | ((r#try!(self.read()) as u32) << 0);
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let len = r#try!(self.get(pos));
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |                     r#try!(self.seek(pos + 2));
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 let b2 = r#try!(self.get(pos + 1)) as u16;
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:117:30
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let str_buffer = r#try!(self.get_range(pos, len as usize));
[INFO] [stderr]     |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             r#try!(self.seek(pos));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         r#try!(self.write(val));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         r#try!(self.write((val >> 8) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         r#try!(self.write((val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         r#try!(self.write(((val >> 24) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         r#try!(self.write(((val >> 16) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         r#try!(self.write(((val >> 8) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         r#try!(self.write(((val >> 0) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |             r#try!(self.write_u8(len as u8));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 r#try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         r#try!(self.write_u8(0));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         r#try!(self.set(pos, (val >> 8) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         r#try!(self.set(pos + 1, (val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:281:19
[INFO] [stderr]     |
[INFO] [stderr] 281 |         self.id = r#try!(buffer.read_u16());
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:283:21
[INFO] [stderr]     |
[INFO] [stderr] 283 |         let flags = r#try!(buffer.read_u16());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:298:26
[INFO] [stderr]     |
[INFO] [stderr] 298 |         self.questions = r#try!(buffer.read_u16());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 |         self.answers = r#try!(buffer.read_u16());
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:300:38
[INFO] [stderr]     |
[INFO] [stderr] 300 |         self.authoritative_entries = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:301:33
[INFO] [stderr]     |
[INFO] [stderr] 301 |         self.resource_entries = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 |         r#try!(buffer.write_u16(self.id));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         r#try!(buffer.write_u8(
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         r#try!(buffer.write_u8(
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         r#try!(buffer.write_u16(self.questions));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         r#try!(buffer.write_u16(self.answers));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:328:9
[INFO] [stderr]     |
[INFO] [stderr] 328 |         r#try!(buffer.write_u16(self.authoritative_entries));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:329:9
[INFO] [stderr]     |
[INFO] [stderr] 329 |         r#try!(buffer.write_u16(self.resource_entries));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         r#try!(buffer.read_qname(&mut self.name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:389:42
[INFO] [stderr]     |
[INFO] [stderr] 389 |         self.qtype = QueryType::from_num(r#try!(buffer.read_u16())); // qtype
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:390:17
[INFO] [stderr]     |
[INFO] [stderr] 390 |         let _ = r#try!(buffer.read_u16()); // class
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:396:9
[INFO] [stderr]     |
[INFO] [stderr] 396 |         r#try!(buffer.write_qname(&self.name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         r#try!(buffer.write_u16(typenum));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |         r#try!(buffer.write_u16(1));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:451:9
[INFO] [stderr]     |
[INFO] [stderr] 451 |         r#try!(buffer.read_qname(&mut domain));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:453:25
[INFO] [stderr]     |
[INFO] [stderr] 453 |         let qtype_num = r#try!(buffer.read_u16());
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |         let _ = r#try!(buffer.read_u16());
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:456:19
[INFO] [stderr]     |
[INFO] [stderr] 456 |         let ttl = r#try!(buffer.read_u32());
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:457:24
[INFO] [stderr]     |
[INFO] [stderr] 457 |         let data_len = r#try!(buffer.read_u16());
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:461:32
[INFO] [stderr]     |
[INFO] [stderr] 461 |                 let raw_addr = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:476:33
[INFO] [stderr]     |
[INFO] [stderr] 476 |                 let raw_addr1 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:477:33
[INFO] [stderr]     |
[INFO] [stderr] 477 |                 let raw_addr2 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:478:33
[INFO] [stderr]     |
[INFO] [stderr] 478 |                 let raw_addr3 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:479:33
[INFO] [stderr]     |
[INFO] [stderr] 479 |                 let raw_addr4 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:499:17
[INFO] [stderr]     |
[INFO] [stderr] 499 |                 r#try!(buffer.read_qname(&mut ns));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:509:17
[INFO] [stderr]     |
[INFO] [stderr] 509 |                 r#try!(buffer.read_qname(&mut cname));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:518:32
[INFO] [stderr]     |
[INFO] [stderr] 518 |                 let priority = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:520:17
[INFO] [stderr]     |
[INFO] [stderr] 520 |                 r#try!(buffer.read_qname(&mut mx));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:530:17
[INFO] [stderr]     |
[INFO] [stderr] 530 |                 r#try!(buffer.step(data_len as usize));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:551:17
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:552:17
[INFO] [stderr]     |
[INFO] [stderr] 552 |                 r#try!(buffer.write_u16(QueryType::A.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:553:17
[INFO] [stderr]     |
[INFO] [stderr] 553 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:554:17
[INFO] [stderr]     |
[INFO] [stderr] 554 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:555:17
[INFO] [stderr]     |
[INFO] [stderr] 555 |                 r#try!(buffer.write_u16(4));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:558:17
[INFO] [stderr]     |
[INFO] [stderr] 558 |                 r#try!(buffer.write_u8(octets[0]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:559:17
[INFO] [stderr]     |
[INFO] [stderr] 559 |                 r#try!(buffer.write_u8(octets[1]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:560:17
[INFO] [stderr]     |
[INFO] [stderr] 560 |                 r#try!(buffer.write_u8(octets[2]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:561:17
[INFO] [stderr]     |
[INFO] [stderr] 561 |                 r#try!(buffer.write_u8(octets[3]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:568:17
[INFO] [stderr]     |
[INFO] [stderr] 568 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:569:17
[INFO] [stderr]     |
[INFO] [stderr] 569 |                 r#try!(buffer.write_u16(QueryType::NS.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:570:17
[INFO] [stderr]     |
[INFO] [stderr] 570 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:571:17
[INFO] [stderr]     |
[INFO] [stderr] 571 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:574:17
[INFO] [stderr]     |
[INFO] [stderr] 574 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:576:17
[INFO] [stderr]     |
[INFO] [stderr] 576 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:579:17
[INFO] [stderr]     |
[INFO] [stderr] 579 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:586:17
[INFO] [stderr]     |
[INFO] [stderr] 586 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:587:17
[INFO] [stderr]     |
[INFO] [stderr] 587 |                 r#try!(buffer.write_u16(QueryType::CNAME.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:588:17
[INFO] [stderr]     |
[INFO] [stderr] 588 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:589:17
[INFO] [stderr]     |
[INFO] [stderr] 589 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:592:17
[INFO] [stderr]     |
[INFO] [stderr] 592 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:594:17
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:605:17
[INFO] [stderr]     |
[INFO] [stderr] 605 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:606:17
[INFO] [stderr]     |
[INFO] [stderr] 606 |                 r#try!(buffer.write_u16(QueryType::MX.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:607:17
[INFO] [stderr]     |
[INFO] [stderr] 607 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:608:17
[INFO] [stderr]     |
[INFO] [stderr] 608 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:611:17
[INFO] [stderr]     |
[INFO] [stderr] 611 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:613:17
[INFO] [stderr]     |
[INFO] [stderr] 613 |                 r#try!(buffer.write_u16(priority));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:614:17
[INFO] [stderr]     |
[INFO] [stderr] 614 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:617:17
[INFO] [stderr]     |
[INFO] [stderr] 617 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:624:17
[INFO] [stderr]     |
[INFO] [stderr] 624 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:625:17
[INFO] [stderr]     |
[INFO] [stderr] 625 |                 r#try!(buffer.write_u16(QueryType::AAAA.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:626:17
[INFO] [stderr]     |
[INFO] [stderr] 626 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:627:17
[INFO] [stderr]     |
[INFO] [stderr] 627 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:628:17
[INFO] [stderr]     |
[INFO] [stderr] 628 |                 r#try!(buffer.write_u16(16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:631:21
[INFO] [stderr]     |
[INFO] [stderr] 631 |                     r#try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:665:9
[INFO] [stderr]     |
[INFO] [stderr] 665 |         r#try!(result.header.read(buffer));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:669:13
[INFO] [stderr]     |
[INFO] [stderr] 669 |             r#try!(question.read(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:674:23
[INFO] [stderr]     |
[INFO] [stderr] 674 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:678:23
[INFO] [stderr]     |
[INFO] [stderr] 678 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:682:23
[INFO] [stderr]     |
[INFO] [stderr] 682 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:695:9
[INFO] [stderr]     |
[INFO] [stderr] 695 |         r#try!(self.header.write(buffer));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:698:13
[INFO] [stderr]     |
[INFO] [stderr] 698 |             r#try!(question.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:701:13
[INFO] [stderr]     |
[INFO] [stderr] 701 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:704:13
[INFO] [stderr]     |
[INFO] [stderr] 704 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:707:13
[INFO] [stderr]     |
[INFO] [stderr] 707 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:716:18
[INFO] [stderr]     |
[INFO] [stderr] 716 |     let socket = r#try!(UdpSocket::bind(("0.0.0.0", 43210)));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:729:5
[INFO] [stderr]     |
[INFO] [stderr] 729 |     r#try!(socket.send_to(&req_buffer.buf[0..req_buffer.pos], server));
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 106 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "688b2ad5d522af01b7cecf30036a7ae7e923d6a295be814ac5fd2f766ab36866"`
[INFO] running `"docker" "rm" "-f" "688b2ad5d522af01b7cecf30036a7ae7e923d6a295be814ac5fd2f766ab36866"`
[INFO] [stdout] 688b2ad5d522af01b7cecf30036a7ae7e923d6a295be814ac5fd2f766ab36866
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec4dbb75a6cd533df7f89242e374e0042a128f9ba243e48fa9ed2cf7c7ead2b4
[INFO] running `"docker" "start" "-a" "ec4dbb75a6cd533df7f89242e374e0042a128f9ba243e48fa9ed2cf7c7ead2b4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let res = ((r#try!(self.read()) as u16) << 8) | (r#try!(self.read()) as u16);
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:58
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let res = ((r#try!(self.read()) as u16) << 8) | (r#try!(self.read()) as u16);
[INFO] [stderr]    |                                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_main`
[INFO] [stderr]  --> tests/test_main.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn test_main() {}
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let res = ((r#try!(self.read()) as u32) << 24)
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |             | ((r#try!(self.read()) as u32) << 16)
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let res = ((r#try!(self.read()) as u16) << 8) | (r#try!(self.read()) as u16);
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |             | ((r#try!(self.read()) as u32) << 8)
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             | ((r#try!(self.read()) as u32) << 0);
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:68:58
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let res = ((r#try!(self.read()) as u16) << 8) | (r#try!(self.read()) as u16);
[INFO] [stderr]    |                                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let len = r#try!(self.get(pos));
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let res = ((r#try!(self.read()) as u32) << 24)
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |                     r#try!(self.seek(pos + 2));
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |             | ((r#try!(self.read()) as u32) << 16)
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 let b2 = r#try!(self.get(pos + 1)) as u16;
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |             | ((r#try!(self.read()) as u32) << 8)
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:117:30
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let str_buffer = r#try!(self.get_range(pos, len as usize));
[INFO] [stderr]     |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             | ((r#try!(self.read()) as u32) << 0);
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             r#try!(self.seek(pos));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let len = r#try!(self.get(pos));
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         r#try!(self.write(val));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |                     r#try!(self.seek(pos + 2));
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         r#try!(self.write((val >> 8) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 let b2 = r#try!(self.get(pos + 1)) as u16;
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         r#try!(self.write((val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:117:30
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let str_buffer = r#try!(self.get_range(pos, len as usize));
[INFO] [stderr]     |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         r#try!(self.write(((val >> 24) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             r#try!(self.seek(pos));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         r#try!(self.write(((val >> 16) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         r#try!(self.write(val));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         r#try!(self.write(((val >> 8) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         r#try!(self.write((val >> 8) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         r#try!(self.write(((val >> 0) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         r#try!(self.write((val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |             r#try!(self.write_u8(len as u8));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 r#try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         r#try!(self.write(((val >> 24) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         r#try!(self.write(((val >> 16) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         r#try!(self.write_u8(0));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         r#try!(self.write(((val >> 8) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         r#try!(self.set(pos, (val >> 8) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         r#try!(self.write(((val >> 0) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         r#try!(self.set(pos + 1, (val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |             r#try!(self.write_u8(len as u8));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:281:19
[INFO] [stderr]     |
[INFO] [stderr] 281 |         self.id = r#try!(buffer.read_u16());
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 r#try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:283:21
[INFO] [stderr]     |
[INFO] [stderr] 283 |         let flags = r#try!(buffer.read_u16());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         r#try!(self.write_u8(0));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:298:26
[INFO] [stderr]     |
[INFO] [stderr] 298 |         self.questions = r#try!(buffer.read_u16());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         r#try!(self.set(pos, (val >> 8) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 |         self.answers = r#try!(buffer.read_u16());
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         r#try!(self.set(pos + 1, (val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:300:38
[INFO] [stderr]     |
[INFO] [stderr] 300 |         self.authoritative_entries = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:281:19
[INFO] [stderr]     |
[INFO] [stderr] 281 |         self.id = r#try!(buffer.read_u16());
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:301:33
[INFO] [stderr]     |
[INFO] [stderr] 301 |         self.resource_entries = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:283:21
[INFO] [stderr]     |
[INFO] [stderr] 283 |         let flags = r#try!(buffer.read_u16());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 |         r#try!(buffer.write_u16(self.id));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:298:26
[INFO] [stderr]     |
[INFO] [stderr] 298 |         self.questions = r#try!(buffer.read_u16());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         r#try!(buffer.write_u8(
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 |         self.answers = r#try!(buffer.read_u16());
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         r#try!(buffer.write_u8(
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:300:38
[INFO] [stderr]     |
[INFO] [stderr] 300 |         self.authoritative_entries = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         r#try!(buffer.write_u16(self.questions));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:301:33
[INFO] [stderr]     |
[INFO] [stderr] 301 |         self.resource_entries = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         r#try!(buffer.write_u16(self.answers));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 |         r#try!(buffer.write_u16(self.id));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:328:9
[INFO] [stderr]     |
[INFO] [stderr] 328 |         r#try!(buffer.write_u16(self.authoritative_entries));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         r#try!(buffer.write_u8(
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:329:9
[INFO] [stderr]     |
[INFO] [stderr] 329 |         r#try!(buffer.write_u16(self.resource_entries));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         r#try!(buffer.write_u8(
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         r#try!(buffer.read_qname(&mut self.name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         r#try!(buffer.write_u16(self.questions));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:389:42
[INFO] [stderr]     |
[INFO] [stderr] 389 |         self.qtype = QueryType::from_num(r#try!(buffer.read_u16())); // qtype
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         r#try!(buffer.write_u16(self.answers));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:328:9
[INFO] [stderr]     |
[INFO] [stderr] 328 |         r#try!(buffer.write_u16(self.authoritative_entries));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:390:17
[INFO] [stderr]     |
[INFO] [stderr] 390 |         let _ = r#try!(buffer.read_u16()); // class
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:396:9
[INFO] [stderr]     |
[INFO] [stderr] 396 |         r#try!(buffer.write_qname(&self.name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:329:9
[INFO] [stderr]     |
[INFO] [stderr] 329 |         r#try!(buffer.write_u16(self.resource_entries));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         r#try!(buffer.read_qname(&mut self.name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         r#try!(buffer.write_u16(typenum));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |         r#try!(buffer.write_u16(1));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:389:42
[INFO] [stderr]     |
[INFO] [stderr] 389 |         self.qtype = QueryType::from_num(r#try!(buffer.read_u16())); // qtype
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:451:9
[INFO] [stderr]     |
[INFO] [stderr] 451 |         r#try!(buffer.read_qname(&mut domain));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:390:17
[INFO] [stderr]     |
[INFO] [stderr] 390 |         let _ = r#try!(buffer.read_u16()); // class
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:453:25
[INFO] [stderr]     |
[INFO] [stderr] 453 |         let qtype_num = r#try!(buffer.read_u16());
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:396:9
[INFO] [stderr]     |
[INFO] [stderr] 396 |         r#try!(buffer.write_qname(&self.name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |         let _ = r#try!(buffer.read_u16());
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         r#try!(buffer.write_u16(typenum));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:456:19
[INFO] [stderr]     |
[INFO] [stderr] 456 |         let ttl = r#try!(buffer.read_u32());
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |         r#try!(buffer.write_u16(1));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:457:24
[INFO] [stderr]     |
[INFO] [stderr] 457 |         let data_len = r#try!(buffer.read_u16());
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:451:9
[INFO] [stderr]     |
[INFO] [stderr] 451 |         r#try!(buffer.read_qname(&mut domain));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:461:32
[INFO] [stderr]     |
[INFO] [stderr] 461 |                 let raw_addr = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:453:25
[INFO] [stderr]     |
[INFO] [stderr] 453 |         let qtype_num = r#try!(buffer.read_u16());
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:476:33
[INFO] [stderr]     |
[INFO] [stderr] 476 |                 let raw_addr1 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |         let _ = r#try!(buffer.read_u16());
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:456:19
[INFO] [stderr]     |
[INFO] [stderr] 456 |         let ttl = r#try!(buffer.read_u32());
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:477:33
[INFO] [stderr]     |
[INFO] [stderr] 477 |                 let raw_addr2 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:457:24
[INFO] [stderr]     |
[INFO] [stderr] 457 |         let data_len = r#try!(buffer.read_u16());
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:478:33
[INFO] [stderr]     |
[INFO] [stderr] 478 |                 let raw_addr3 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:461:32
[INFO] [stderr]     |
[INFO] [stderr] 461 |                 let raw_addr = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:479:33
[INFO] [stderr]     |
[INFO] [stderr] 479 |                 let raw_addr4 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:476:33
[INFO] [stderr]     |
[INFO] [stderr] 476 |                 let raw_addr1 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:499:17
[INFO] [stderr]     |
[INFO] [stderr] 499 |                 r#try!(buffer.read_qname(&mut ns));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:477:33
[INFO] [stderr]     |
[INFO] [stderr] 477 |                 let raw_addr2 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:509:17
[INFO] [stderr]     |
[INFO] [stderr] 509 |                 r#try!(buffer.read_qname(&mut cname));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:478:33
[INFO] [stderr]     |
[INFO] [stderr] 478 |                 let raw_addr3 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:518:32
[INFO] [stderr]     |
[INFO] [stderr] 518 |                 let priority = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:479:33
[INFO] [stderr]     |
[INFO] [stderr] 479 |                 let raw_addr4 = r#try!(buffer.read_u32());
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:520:17
[INFO] [stderr]     |
[INFO] [stderr] 520 |                 r#try!(buffer.read_qname(&mut mx));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:499:17
[INFO] [stderr]     |
[INFO] [stderr] 499 |                 r#try!(buffer.read_qname(&mut ns));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:530:17
[INFO] [stderr]     |
[INFO] [stderr] 530 |                 r#try!(buffer.step(data_len as usize));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:509:17
[INFO] [stderr]     |
[INFO] [stderr] 509 |                 r#try!(buffer.read_qname(&mut cname));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:518:32
[INFO] [stderr]     |
[INFO] [stderr] 518 |                 let priority = r#try!(buffer.read_u16());
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:520:17
[INFO] [stderr]     |
[INFO] [stderr] 520 |                 r#try!(buffer.read_qname(&mut mx));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:530:17
[INFO] [stderr]     |
[INFO] [stderr] 530 |                 r#try!(buffer.step(data_len as usize));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:551:17
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:552:17
[INFO] [stderr]     |
[INFO] [stderr] 552 |                 r#try!(buffer.write_u16(QueryType::A.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:553:17
[INFO] [stderr]     |
[INFO] [stderr] 553 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:554:17
[INFO] [stderr]     |
[INFO] [stderr] 554 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:555:17
[INFO] [stderr]     |
[INFO] [stderr] 555 |                 r#try!(buffer.write_u16(4));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:558:17
[INFO] [stderr]     |
[INFO] [stderr] 558 |                 r#try!(buffer.write_u8(octets[0]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:559:17
[INFO] [stderr]     |
[INFO] [stderr] 559 |                 r#try!(buffer.write_u8(octets[1]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:560:17
[INFO] [stderr]     |
[INFO] [stderr] 560 |                 r#try!(buffer.write_u8(octets[2]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:561:17
[INFO] [stderr]     |
[INFO] [stderr] 561 |                 r#try!(buffer.write_u8(octets[3]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:568:17
[INFO] [stderr]     |
[INFO] [stderr] 568 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:569:17
[INFO] [stderr]     |
[INFO] [stderr] 569 |                 r#try!(buffer.write_u16(QueryType::NS.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:570:17
[INFO] [stderr]     |
[INFO] [stderr] 570 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:571:17
[INFO] [stderr]     |
[INFO] [stderr] 571 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:574:17
[INFO] [stderr]     |
[INFO] [stderr] 574 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:576:17
[INFO] [stderr]     |
[INFO] [stderr] 576 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:579:17
[INFO] [stderr]     |
[INFO] [stderr] 579 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:586:17
[INFO] [stderr]     |
[INFO] [stderr] 586 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:587:17
[INFO] [stderr]     |
[INFO] [stderr] 587 |                 r#try!(buffer.write_u16(QueryType::CNAME.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:588:17
[INFO] [stderr]     |
[INFO] [stderr] 588 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:589:17
[INFO] [stderr]     |
[INFO] [stderr] 589 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:592:17
[INFO] [stderr]     |
[INFO] [stderr] 592 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:594:17
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:605:17
[INFO] [stderr]     |
[INFO] [stderr] 605 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:606:17
[INFO] [stderr]     |
[INFO] [stderr] 606 |                 r#try!(buffer.write_u16(QueryType::MX.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:607:17
[INFO] [stderr]     |
[INFO] [stderr] 607 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:608:17
[INFO] [stderr]     |
[INFO] [stderr] 608 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:611:17
[INFO] [stderr]     |
[INFO] [stderr] 611 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:613:17
[INFO] [stderr]     |
[INFO] [stderr] 613 |                 r#try!(buffer.write_u16(priority));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:614:17
[INFO] [stderr]     |
[INFO] [stderr] 614 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:617:17
[INFO] [stderr]     |
[INFO] [stderr] 617 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:624:17
[INFO] [stderr]     |
[INFO] [stderr] 624 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:625:17
[INFO] [stderr]     |
[INFO] [stderr] 625 |                 r#try!(buffer.write_u16(QueryType::AAAA.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:626:17
[INFO] [stderr]     |
[INFO] [stderr] 626 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:627:17
[INFO] [stderr]     |
[INFO] [stderr] 627 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:628:17
[INFO] [stderr]     |
[INFO] [stderr] 628 |                 r#try!(buffer.write_u16(16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:631:21
[INFO] [stderr]     |
[INFO] [stderr] 631 |                     r#try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:665:9
[INFO] [stderr]     |
[INFO] [stderr] 665 |         r#try!(result.header.read(buffer));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:669:13
[INFO] [stderr]     |
[INFO] [stderr] 669 |             r#try!(question.read(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:674:23
[INFO] [stderr]     |
[INFO] [stderr] 674 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:678:23
[INFO] [stderr]     |
[INFO] [stderr] 678 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:682:23
[INFO] [stderr]     |
[INFO] [stderr] 682 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:695:9
[INFO] [stderr]     |
[INFO] [stderr] 695 |         r#try!(self.header.write(buffer));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:698:13
[INFO] [stderr]     |
[INFO] [stderr] 698 |             r#try!(question.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:701:13
[INFO] [stderr]     |
[INFO] [stderr] 701 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:704:13
[INFO] [stderr]     |
[INFO] [stderr] 704 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:707:13
[INFO] [stderr]     |
[INFO] [stderr] 707 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:716:18
[INFO] [stderr]     |
[INFO] [stderr] 716 |     let socket = r#try!(UdpSocket::bind(("0.0.0.0", 43210)));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:729:5
[INFO] [stderr]     |
[INFO] [stderr] 729 |     r#try!(socket.send_to(&req_buffer.buf[0..req_buffer.pos], server));
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 106 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:551:17
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:552:17
[INFO] [stderr]     |
[INFO] [stderr] 552 |                 r#try!(buffer.write_u16(QueryType::A.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:553:17
[INFO] [stderr]     |
[INFO] [stderr] 553 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:554:17
[INFO] [stderr]     |
[INFO] [stderr] 554 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:555:17
[INFO] [stderr]     |
[INFO] [stderr] 555 |                 r#try!(buffer.write_u16(4));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:558:17
[INFO] [stderr]     |
[INFO] [stderr] 558 |                 r#try!(buffer.write_u8(octets[0]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:559:17
[INFO] [stderr]     |
[INFO] [stderr] 559 |                 r#try!(buffer.write_u8(octets[1]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:560:17
[INFO] [stderr]     |
[INFO] [stderr] 560 |                 r#try!(buffer.write_u8(octets[2]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:561:17
[INFO] [stderr]     |
[INFO] [stderr] 561 |                 r#try!(buffer.write_u8(octets[3]));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:568:17
[INFO] [stderr]     |
[INFO] [stderr] 568 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:569:17
[INFO] [stderr]     |
[INFO] [stderr] 569 |                 r#try!(buffer.write_u16(QueryType::NS.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:570:17
[INFO] [stderr]     |
[INFO] [stderr] 570 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:571:17
[INFO] [stderr]     |
[INFO] [stderr] 571 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:574:17
[INFO] [stderr]     |
[INFO] [stderr] 574 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:576:17
[INFO] [stderr]     |
[INFO] [stderr] 576 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:579:17
[INFO] [stderr]     |
[INFO] [stderr] 579 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:586:17
[INFO] [stderr]     |
[INFO] [stderr] 586 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:587:17
[INFO] [stderr]     |
[INFO] [stderr] 587 |                 r#try!(buffer.write_u16(QueryType::CNAME.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:588:17
[INFO] [stderr]     |
[INFO] [stderr] 588 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:589:17
[INFO] [stderr]     |
[INFO] [stderr] 589 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:592:17
[INFO] [stderr]     |
[INFO] [stderr] 592 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:594:17
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:605:17
[INFO] [stderr]     |
[INFO] [stderr] 605 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:606:17
[INFO] [stderr]     |
[INFO] [stderr] 606 |                 r#try!(buffer.write_u16(QueryType::MX.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:607:17
[INFO] [stderr]     |
[INFO] [stderr] 607 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:608:17
[INFO] [stderr]     |
[INFO] [stderr] 608 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:611:17
[INFO] [stderr]     |
[INFO] [stderr] 611 |                 r#try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:613:17
[INFO] [stderr]     |
[INFO] [stderr] 613 |                 r#try!(buffer.write_u16(priority));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:614:17
[INFO] [stderr]     |
[INFO] [stderr] 614 |                 r#try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:617:17
[INFO] [stderr]     |
[INFO] [stderr] 617 |                 r#try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:624:17
[INFO] [stderr]     |
[INFO] [stderr] 624 |                 r#try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:625:17
[INFO] [stderr]     |
[INFO] [stderr] 625 |                 r#try!(buffer.write_u16(QueryType::AAAA.to_num()));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:626:17
[INFO] [stderr]     |
[INFO] [stderr] 626 |                 r#try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:627:17
[INFO] [stderr]     |
[INFO] [stderr] 627 |                 r#try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:628:17
[INFO] [stderr]     |
[INFO] [stderr] 628 |                 r#try!(buffer.write_u16(16));
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:631:21
[INFO] [stderr]     |
[INFO] [stderr] 631 |                     r#try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:665:9
[INFO] [stderr]     |
[INFO] [stderr] 665 |         r#try!(result.header.read(buffer));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:669:13
[INFO] [stderr]     |
[INFO] [stderr] 669 |             r#try!(question.read(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:674:23
[INFO] [stderr]     |
[INFO] [stderr] 674 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:678:23
[INFO] [stderr]     |
[INFO] [stderr] 678 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:682:23
[INFO] [stderr]     |
[INFO] [stderr] 682 |             let rec = r#try!(DnsRecord::read(buffer));
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:695:9
[INFO] [stderr]     |
[INFO] [stderr] 695 |         r#try!(self.header.write(buffer));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:698:13
[INFO] [stderr]     |
[INFO] [stderr] 698 |             r#try!(question.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:701:13
[INFO] [stderr]     |
[INFO] [stderr] 701 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:704:13
[INFO] [stderr]     |
[INFO] [stderr] 704 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:707:13
[INFO] [stderr]     |
[INFO] [stderr] 707 |             r#try!(rec.write(buffer));
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:716:18
[INFO] [stderr]     |
[INFO] [stderr] 716 |     let socket = r#try!(UdpSocket::bind(("0.0.0.0", 43210)));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:729:5
[INFO] [stderr]     |
[INFO] [stderr] 729 |     r#try!(socket.send_to(&req_buffer.buf[0..req_buffer.pos], server));
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 106 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dirty_dns-cd2a23ddb2b5a3bc
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_main-a56002be3d92f712
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_index_loop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ec4dbb75a6cd533df7f89242e374e0042a128f9ba243e48fa9ed2cf7c7ead2b4"`
[INFO] running `"docker" "rm" "-f" "ec4dbb75a6cd533df7f89242e374e0042a128f9ba243e48fa9ed2cf7c7ead2b4"`
[INFO] [stdout] ec4dbb75a6cd533df7f89242e374e0042a128f9ba243e48fa9ed2cf7c7ead2b4