[INFO] cloning repository https://github.com/The-Geek-Squad/spacedns
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/The-Geek-Squad/spacedns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThe-Geek-Squad%2Fspacedns"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThe-Geek-Squad%2Fspacedns'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a492664afc625f339529ccf576e58d3c82dac85b
[INFO] checking The-Geek-Squad/spacedns against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThe-Geek-Squad%2Fspacedns" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/The-Geek-Squad/spacedns on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/The-Geek-Squad/spacedns
[INFO] finished tweaking git repo https://github.com/The-Geek-Squad/spacedns
[INFO] tweaked toml for git repo https://github.com/The-Geek-Squad/spacedns written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/The-Geek-Squad/spacedns already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cd0d46629cb13fde3177be4291f96cd8ea1f6a7e9e295b1fd8b58113b03da3be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "cd0d46629cb13fde3177be4291f96cd8ea1f6a7e9e295b1fd8b58113b03da3be"`
[INFO] [stderr]     Checking spacedns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         try!(result.header.read(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             try!(question.read(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:41:23
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let rec = try!(DnsRecord::read(buffer));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:45:23
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let rec = try!(DnsRecord::read(buffer));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:49:23
[INFO] [stderr]    |
[INFO] [stderr] 49 |             let rec = try!(DnsRecord::read(buffer));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(self.header.write(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             try!(question.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         try!(buffer.read_qname(&mut self.name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:21:42
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self.qtype = QueryType::from_num(try!(buffer.read_u16())); // qtype
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let _ = try!(buffer.read_u16()); // class
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         try!(buffer.write_qname(&self.name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!(buffer.write_u16(typenum));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         try!(buffer.write_u16(1));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let res = ((try!(self.read()) as u16) << 8) |
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |                   (try!(self.read()) as u16);
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let res = ((try!(self.read()) as u32) << 24) |
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |                   ((try!(self.read()) as u32) << 16) |
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |                   ((try!(self.read()) as u32) << 8) |
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |                   ((try!(self.read()) as u32) << 0);
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |             let len = try!(self.get(pos));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     try!(self.seek(pos+2));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 let b2 = try!(self.get(pos+1)) as u16;
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:111:30
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let str_buffer = try!(self.get_range(pos, len as usize));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             try!(self.seek(pos));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         try!(self.write(val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(self.write((val >> 8) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         try!(self.write((val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         try!(self.write(((val >> 24) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(self.write(((val >> 16) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         try!(self.write(((val >> 8) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         try!(self.write(((val >> 0) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:167:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |             try!(self.write_u8(len as u8));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |         try!(self.write_u8(0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         try!(self.set(pos,(val >> 8) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         try!(self.set(pos+1,(val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |         self.id = try!(buffer.read_u16());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let flags = try!(buffer.read_u16());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:67:26
[INFO] [stderr]    |
[INFO] [stderr] 67 |         self.questions = try!(buffer.read_u16());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:68:24
[INFO] [stderr]    |
[INFO] [stderr] 68 |         self.answers = try!(buffer.read_u16());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:69:38
[INFO] [stderr]    |
[INFO] [stderr] 69 |         self.authoritative_entries = try!(buffer.read_u16());
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:70:33
[INFO] [stderr]    |
[INFO] [stderr] 70 |         self.resource_entries = try!(buffer.read_u16());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         try!(result.header.read(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             try!(question.read(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:41:23
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let rec = try!(DnsRecord::read(buffer));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:45:23
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let rec = try!(DnsRecord::read(buffer));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:49:23
[INFO] [stderr]    |
[INFO] [stderr] 49 |             let rec = try!(DnsRecord::read(buffer));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(self.header.write(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             try!(question.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnspacket.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         try!(buffer.read_qname(&mut self.name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:21:42
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self.qtype = QueryType::from_num(try!(buffer.read_u16())); // qtype
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let _ = try!(buffer.read_u16()); // class
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         try!(buffer.write_qname(&self.name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!(buffer.write_u16(typenum));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsquestion.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         try!(buffer.write_u16(1));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let res = ((try!(self.read()) as u16) << 8) |
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |                   (try!(self.read()) as u16);
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let res = ((try!(self.read()) as u32) << 24) |
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |                   ((try!(self.read()) as u32) << 16) |
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         try!(buffer.write_u16(self.id));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |                   ((try!(self.read()) as u32) << 8) |
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         try!(buffer.write_u8( ((self.recursion_desired as u8)) |
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr]   --> src/dnsheader.rs:85:9
[INFO] [stderr] 69 |                   ((try!(self.read()) as u32) << 0);
[INFO] [stderr]    |
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 85 |         try!(buffer.write_u8( (self.rescode.clone() as u8) |
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         try!(buffer.write_u16(self.questions));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         try!(buffer.write_u16(self.answers));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |             let len = try!(self.get(pos));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         try!(buffer.write_u16(self.authoritative_entries));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(buffer.write_u16(self.resource_entries));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         try!(buffer.read_qname(&mut domain));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     try!(self.seek(pos+2));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] 
[INFO] [stderr]   --> src/dns_record.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let qtype_num = try!(buffer.read_u16());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let _ = try!(buffer.read_u16());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packetbuffer.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 let b2 = try!(self.get(pos+1)) as u16;
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:52:19
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let ttl = try!(buffer.read_u32());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:53:24
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let data_len = try!(buffer.read_u16());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:111:30
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let str_buffer = try!(self.get_range(pos, len as usize));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr]   --> src/dns_record.rs:57:32
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 let raw_addr = try!(buffer.read_u32());
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:70:33
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 let raw_addr1 = try!(buffer.read_u32());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:71:33
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 let raw_addr2 = try!(buffer.read_u32());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             try!(self.seek(pos));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:72:33
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 let raw_addr3 = try!(buffer.read_u32());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 let raw_addr4 = try!(buffer.read_u32());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr]   --> src/dns_record.rs:91:17
[INFO] [stderr] 136 |         try!(self.write(val));
[INFO] [stderr]    |
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 91 |                 try!(buffer.read_qname(&mut ns));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 try!(buffer.read_qname(&mut cname));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:110:32
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 let priority = try!(buffer.read_u16());
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(self.write((val >> 8) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 try!(buffer.read_qname(&mut mx));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 try!(buffer.step(data_len as usize));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:143:9
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     |
[INFO] [stderr]    --> src/dns_record.rs:140:17
[INFO] [stderr] 143 |         try!(self.write((val & 0xFF) as u8));
[INFO] [stderr]     |
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 140 |                 try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 try!(buffer.write_u16(QueryType::A.to_num()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:142:17
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         try!(self.write(((val >> 24) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 try!(buffer.write_u16(4));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 try!(buffer.write_u8(octets[0]));
[INFO] [stderr]    --> src/packetbuffer.rs:150:9
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(self.write(((val >> 16) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:148:17
[INFO] [stderr]     |
[INFO] [stderr] 148 |                 try!(buffer.write_u8(octets[1]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 try!(buffer.write_u8(octets[2]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         try!(self.write(((val >> 8) & 0xFF) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 try!(buffer.write_u8(octets[3]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         try!(self.write(((val >> 0) & 0xFF) as u8));
[INFO] [stderr]    --> src/dns_record.rs:154:17
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 try!(buffer.write_u16(QueryType::NS.to_num()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:167:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |             try!(self.write_u8(len as u8));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:164:17
[INFO] [stderr]    --> src/packetbuffer.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr] 169 |                 try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:167:17
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 try!(buffer.write_u16(QueryType::CNAME.to_num()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |         try!(self.write_u8(0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:185:9
[INFO] [stderr]    --> src/dns_record.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr]     |
[INFO] [stderr] 185 |         try!(self.set(pos,(val >> 8) as u8));
[INFO] [stderr] 173 |                 try!(buffer.write_u16(0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packetbuffer.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         try!(self.set(pos+1,(val & 0xFF) as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:181:17
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:182:17
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 try!(buffer.write_u16(QueryType::MX.to_num()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |         self.id = try!(buffer.read_u16());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr]    --> src/dns_record.rs:183:17
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:184:17
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:187:17
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let flags = try!(buffer.read_u16());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 try!(buffer.write_u16(priority));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:67:26
[INFO] [stderr]    |
[INFO] [stderr] 67 |         self.questions = try!(buffer.read_u16());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] 
[INFO] [stderr]    --> src/dns_record.rs:196:17
[INFO] [stderr]     |
[INFO] [stderr] 196 |                 try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:68:24
[INFO] [stderr]    |
[INFO] [stderr] 68 |         self.answers = try!(buffer.read_u16());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr]    --> src/dns_record.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 try!(buffer.write_u16(QueryType::AAAA.to_num()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] 
[INFO] [stderr]    --> src/dns_record.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:69:38
[INFO] [stderr]    |
[INFO] [stderr] 69 |         self.authoritative_entries = try!(buffer.read_u16());
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 try!(buffer.write_u16(16));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:203:21
[INFO] [stderr]     |
[INFO] [stderr] 203 |                     try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:18:18
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let socket = try!(UdpSocket::bind(("0.0.0.0", 54321)));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:70:33
[INFO] [stderr]    |
[INFO] [stderr] 70 |         self.resource_entries = try!(buffer.read_u16());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr] 
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     try!(socket.send_to(&req_buffer.buf[0..req_buffer.pos], server));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         try!(buffer.write_u16(self.id));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         try!(buffer.write_u8( ((self.recursion_desired as u8)) |
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(buffer.write_u8( (self.rescode.clone() as u8) |
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         try!(buffer.write_u16(self.questions));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         try!(buffer.write_u16(self.answers));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         try!(buffer.write_u16(self.authoritative_entries));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsheader.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(buffer.write_u16(self.resource_entries));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         try!(buffer.read_qname(&mut domain));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let qtype_num = try!(buffer.read_u16());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let _ = try!(buffer.read_u16());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:52:19
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let ttl = try!(buffer.read_u32());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:53:24
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let data_len = try!(buffer.read_u16());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:57:32
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 let raw_addr = try!(buffer.read_u32());
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:70:33
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 let raw_addr1 = try!(buffer.read_u32());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:71:33
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 let raw_addr2 = try!(buffer.read_u32());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:72:33
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 let raw_addr3 = try!(buffer.read_u32());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 let raw_addr4 = try!(buffer.read_u32());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns_record.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 try!(buffer.read_qname(&mut ns));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 try!(buffer.read_qname(&mut cname));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:110:32
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 let priority = try!(buffer.read_u16());
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 try!(buffer.read_qname(&mut mx));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 try!(buffer.step(data_len as usize));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 try!(buffer.write_u16(QueryType::A.to_num()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:142:17
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 try!(buffer.write_u16(4));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 try!(buffer.write_u8(octets[0]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:148:17
[INFO] [stderr]     |
[INFO] [stderr] 148 |                 try!(buffer.write_u8(octets[1]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 try!(buffer.write_u8(octets[2]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 try!(buffer.write_u8(octets[3]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 try!(buffer.write_u16(QueryType::NS.to_num()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:164:17
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:167:17
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 try!(buffer.write_u16(QueryType::CNAME.to_num()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 |                 try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:181:17
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:182:17
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 try!(buffer.write_u16(QueryType::MX.to_num()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:183:17
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:184:17
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:187:17
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 try!(buffer.write_u16(0));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 try!(buffer.write_u16(priority));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 try!(buffer.write_qname(host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 try!(buffer.set_u16(pos, size as u16));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:196:17
[INFO] [stderr]     |
[INFO] [stderr] 196 |                 try!(buffer.write_qname(domain));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 try!(buffer.write_u16(QueryType::AAAA.to_num()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 try!(buffer.write_u16(1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 try!(buffer.write_u32(ttl));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 try!(buffer.write_u16(16));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns_record.rs:203:21
[INFO] [stderr]     |
[INFO] [stderr] 203 |                     try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:18:18
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let socket = try!(UdpSocket::bind(("0.0.0.0", 54321)));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     try!(socket.send_to(&req_buffer.buf[0..req_buffer.pos], server));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "cd0d46629cb13fde3177be4291f96cd8ea1f6a7e9e295b1fd8b58113b03da3be"`
[INFO] running `"docker" "rm" "-f" "cd0d46629cb13fde3177be4291f96cd8ea1f6a7e9e295b1fd8b58113b03da3be"`
[INFO] [stdout] cd0d46629cb13fde3177be4291f96cd8ea1f6a7e9e295b1fd8b58113b03da3be