[INFO] cloning repository https://github.com/CentauriSolutions/dnsafe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CentauriSolutions/dnsafe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentauriSolutions%2Fdnsafe"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentauriSolutions%2Fdnsafe'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca75af7dbbfacd707357acdbacc7ea7be0d1bd1d
[INFO] testing CentauriSolutions/dnsafe against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentauriSolutions%2Fdnsafe" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CentauriSolutions/dnsafe on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CentauriSolutions/dnsafe
[INFO] finished tweaking git repo https://github.com/CentauriSolutions/dnsafe
[INFO] tweaked toml for git repo https://github.com/CentauriSolutions/dnsafe written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/CentauriSolutions/dnsafe already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] e8f6dcd7a2cf2942f9d716e7f82b34e20df30a29eea7a8ec8b65b9bbb76abafb
[INFO] running `"docker" "start" "-a" "e8f6dcd7a2cf2942f9d716e7f82b34e20df30a29eea7a8ec8b65b9bbb76abafb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling dnsafe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.id = try!(buffer.read_u16());
[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/dns/dns_header.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |         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/dns/dns_header.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |         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/dns/dns_header.rs:78:24
[INFO] [stderr]    |
[INFO] [stderr] 78 |         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/dns/dns_header.rs:79:38
[INFO] [stderr]    |
[INFO] [stderr] 79 |         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/dns/dns_header.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |         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/dns/dns_header.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         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/dns/dns_header.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buffer.write_u8(
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(buffer.write_u8(
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_header.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         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/dns/dns_header.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         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/dns/dns_header.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         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/dns/dns_header.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         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/dns_question.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         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/dns/dns_question.rs:20:42
[INFO] [stderr]    |
[INFO] [stderr] 20 |         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/dns/dns_question.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         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/dns/dns_question.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         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/dns/dns_question.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         try!(buffer.write_u16(typenum));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_question.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         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/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/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/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/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/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/dns_record.rs:59:32
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 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/dns_record.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 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/dns_record.rs:74:33
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 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/dns_record.rs:75:33
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 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/dns_record.rs:76:33
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 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/dns_record.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_record.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_record.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 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/dns_record.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/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/dns_record.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 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/dns_record.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 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/dns_record.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 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/dns_record.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 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/dns_record.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 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/dns_record.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 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/dns_record.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 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/dns_record.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 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/dns_record.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 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/dns_record.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 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/dns_record.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 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/dns_record.rs:162:17
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 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/dns_record.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 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/dns_record.rs:166:17
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 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/dns_record.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 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/dns_record.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |                 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/dns_record.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 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/dns_record.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 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/dns_record.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 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/dns_record.rs:181:17
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 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/dns_record.rs:184:17
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 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/dns_record.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |                 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/dns_record.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 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/dns_record.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 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/dns_record.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 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/dns_record.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 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/dns_record.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 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/dns_record.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 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/dns_record.rs:205:17
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 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/dns_record.rs:206:17
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 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/dns_record.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 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/dns_record.rs:216:17
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 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/dns_record.rs:217:17
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 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/dns_record.rs:218:17
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 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/dns_record.rs:219:17
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 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/dns_record.rs:220:17
[INFO] [stderr]     |
[INFO] [stderr] 220 |                 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/dns_record.rs:223:21
[INFO] [stderr]     |
[INFO] [stderr] 223 |                     try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         try!(result.header.read(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             try!(question.read(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 |             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/dns/dns_packet.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 |             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/dns/dns_packet.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |             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/dns/dns_packet.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(self.header.write(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             try!(question.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.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/dns/dns_packet.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         try!(self.write(val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         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/dns/buffer/mod.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         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/dns/buffer/mod.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         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/dns/buffer/mod.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         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/dns/buffer/mod.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         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/dns/buffer/mod.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         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/dns/buffer/mod.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         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/dns/buffer/mod.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         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/dns/buffer/mod.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 try!(self.write_u16(jump_inst));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |             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/dns/buffer/mod.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |                 try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |             try!(self.write_u8(0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:177:30
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let res = (u16::from(try!(self.read())) << 8) | (u16::from(try!(self.read())));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:177:68
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let res = (u16::from(try!(self.read())) << 8) | (u16::from(try!(self.read())));
[INFO] [stderr]     |                                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:183:30
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let res = (u32::from(try!(self.read())) << 24) | (u32::from(try!(self.read())) << 16)
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:183:69
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let res = (u32::from(try!(self.read())) << 24) | (u32::from(try!(self.read())) << 16)
[INFO] [stderr]     |                                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:184:26
[INFO] [stderr]     |
[INFO] [stderr] 184 |             | (u32::from(try!(self.read())) << 8)
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:185:26
[INFO] [stderr]     |
[INFO] [stderr] 185 |             | (u32::from(try!(self.read())));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:196:23
[INFO] [stderr]     |
[INFO] [stderr] 196 |             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/dns/buffer/mod.rs:206:21
[INFO] [stderr]     |
[INFO] [stderr] 206 |                     try!(self.seek(pos + 2));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:209:36
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 let b2 = u16::from(try!(self.get(pos + 1)));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:225:30
[INFO] [stderr]     |
[INFO] [stderr] 225 |             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/dns/buffer/mod.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |             try!(self.seek(pos));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let socket = try!(UdpSocket::bind(("0.0.0.0", 43210)));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     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/lib.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let response = try!(lookup(qname, qtype, server));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:77:34
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let recursive_response = try!(recursive_lookup(&new_ns_name, QueryType::A));
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 112 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `"docker" "inspect" "e8f6dcd7a2cf2942f9d716e7f82b34e20df30a29eea7a8ec8b65b9bbb76abafb"`
[INFO] running `"docker" "rm" "-f" "e8f6dcd7a2cf2942f9d716e7f82b34e20df30a29eea7a8ec8b65b9bbb76abafb"`
[INFO] [stdout] e8f6dcd7a2cf2942f9d716e7f82b34e20df30a29eea7a8ec8b65b9bbb76abafb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] ff7525e837c65093160b34acc51683d407eb1deb26dfa45c1df0339c007dc24b
[INFO] running `"docker" "start" "-a" "ff7525e837c65093160b34acc51683d407eb1deb26dfa45c1df0339c007dc24b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling dnsafe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.id = try!(buffer.read_u16());
[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/dns/dns_header.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |         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/dns/dns_header.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |         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/dns/dns_header.rs:78:24
[INFO] [stderr]    |
[INFO] [stderr] 78 |         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/dns/dns_header.rs:79:38
[INFO] [stderr]    |
[INFO] [stderr] 79 |         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/dns/dns_header.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |         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/dns/dns_header.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         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/dns/dns_header.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buffer.write_u8(
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(buffer.write_u8(
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_header.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         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/dns/dns_header.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         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/dns/dns_header.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         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/dns/dns_header.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         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/dns_question.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         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/dns/dns_question.rs:20:42
[INFO] [stderr]    |
[INFO] [stderr] 20 |         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/dns/dns_question.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         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/dns/dns_question.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         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/dns/dns_question.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         try!(buffer.write_u16(typenum));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_question.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         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/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/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/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/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/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/dns_record.rs:59:32
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 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/dns_record.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 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/dns_record.rs:74:33
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 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/dns_record.rs:75:33
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 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/dns_record.rs:76:33
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 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/dns_record.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_record.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_record.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 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/dns_record.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/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/dns_record.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 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/dns_record.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 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/dns_record.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 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/dns_record.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 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/dns_record.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 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/dns_record.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 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/dns_record.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 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/dns_record.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 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/dns_record.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 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/dns_record.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 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/dns_record.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 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/dns_record.rs:162:17
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 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/dns_record.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 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/dns_record.rs:166:17
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 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/dns_record.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 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/dns_record.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |                 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/dns_record.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 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/dns_record.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 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/dns_record.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 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/dns_record.rs:181:17
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 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/dns_record.rs:184:17
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 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/dns_record.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |                 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/dns_record.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 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/dns_record.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 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/dns_record.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 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/dns_record.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 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/dns_record.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 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/dns_record.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 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/dns_record.rs:205:17
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 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/dns_record.rs:206:17
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 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/dns_record.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 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/dns_record.rs:216:17
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 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/dns_record.rs:217:17
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 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/dns_record.rs:218:17
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 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/dns_record.rs:219:17
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 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/dns_record.rs:220:17
[INFO] [stderr]     |
[INFO] [stderr] 220 |                 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/dns_record.rs:223:21
[INFO] [stderr]     |
[INFO] [stderr] 223 |                     try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         try!(result.header.read(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             try!(question.read(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 |             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/dns/dns_packet.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 |             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/dns/dns_packet.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |             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/dns/dns_packet.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(self.header.write(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             try!(question.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.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/dns/dns_packet.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         try!(self.write(val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         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/dns/buffer/mod.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         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/dns/buffer/mod.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         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/dns/buffer/mod.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         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/dns/buffer/mod.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         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/dns/buffer/mod.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         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/dns/buffer/mod.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         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/dns/buffer/mod.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         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/dns/buffer/mod.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 try!(self.write_u16(jump_inst));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |             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/dns/buffer/mod.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |                 try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |             try!(self.write_u8(0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:177:30
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let res = (u16::from(try!(self.read())) << 8) | (u16::from(try!(self.read())));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:177:68
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let res = (u16::from(try!(self.read())) << 8) | (u16::from(try!(self.read())));
[INFO] [stderr]     |                                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:183:30
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let res = (u32::from(try!(self.read())) << 24) | (u32::from(try!(self.read())) << 16)
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:183:69
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let res = (u32::from(try!(self.read())) << 24) | (u32::from(try!(self.read())) << 16)
[INFO] [stderr]     |                                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:184:26
[INFO] [stderr]     |
[INFO] [stderr] 184 |             | (u32::from(try!(self.read())) << 8)
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:185:26
[INFO] [stderr]     |
[INFO] [stderr] 185 |             | (u32::from(try!(self.read())));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:196:23
[INFO] [stderr]     |
[INFO] [stderr] 196 |             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/dns/buffer/mod.rs:206:21
[INFO] [stderr]     |
[INFO] [stderr] 206 |                     try!(self.seek(pos + 2));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:209:36
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 let b2 = u16::from(try!(self.get(pos + 1)));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:225:30
[INFO] [stderr]     |
[INFO] [stderr] 225 |             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/dns/buffer/mod.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |             try!(self.seek(pos));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let socket = try!(UdpSocket::bind(("0.0.0.0", 43210)));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     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/lib.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let response = try!(lookup(qname, qtype, server));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:77:34
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let recursive_response = try!(recursive_lookup(&new_ns_name, QueryType::A));
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 112 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.id = try!(buffer.read_u16());
[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/dns/dns_header.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |         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/dns/dns_header.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |         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/dns/dns_header.rs:78:24
[INFO] [stderr]    |
[INFO] [stderr] 78 |         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/dns/dns_header.rs:79:38
[INFO] [stderr]    |
[INFO] [stderr] 79 |         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/dns/dns_header.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |         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/dns/dns_header.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         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/dns/dns_header.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buffer.write_u8(
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(buffer.write_u8(
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_header.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         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/dns/dns_header.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         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/dns/dns_header.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         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/dns/dns_header.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         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/dns_question.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         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/dns/dns_question.rs:20:42
[INFO] [stderr]    |
[INFO] [stderr] 20 |         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/dns/dns_question.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         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/dns/dns_question.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         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/dns/dns_question.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         try!(buffer.write_u16(typenum));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_question.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         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/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/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/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/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/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/dns_record.rs:59:32
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 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/dns_record.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 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/dns_record.rs:74:33
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 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/dns_record.rs:75:33
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 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/dns_record.rs:76:33
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 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/dns_record.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_record.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_record.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 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/dns_record.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/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/dns_record.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 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/dns_record.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 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/dns_record.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 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/dns_record.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 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/dns_record.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 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/dns_record.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 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/dns_record.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 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/dns_record.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 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/dns_record.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 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/dns_record.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 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/dns_record.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 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/dns_record.rs:162:17
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 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/dns_record.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 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/dns_record.rs:166:17
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 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/dns_record.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 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/dns_record.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |                 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/dns_record.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 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/dns_record.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 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/dns_record.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 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/dns_record.rs:181:17
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 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/dns_record.rs:184:17
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 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/dns_record.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |                 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/dns_record.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 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/dns_record.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 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/dns_record.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 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/dns_record.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 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/dns_record.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 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/dns_record.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 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/dns_record.rs:205:17
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 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/dns_record.rs:206:17
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 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/dns_record.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 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/dns_record.rs:216:17
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 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/dns_record.rs:217:17
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 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/dns_record.rs:218:17
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 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/dns_record.rs:219:17
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 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/dns_record.rs:220:17
[INFO] [stderr]     |
[INFO] [stderr] 220 |                 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/dns_record.rs:223:21
[INFO] [stderr]     |
[INFO] [stderr] 223 |                     try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         try!(result.header.read(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             try!(question.read(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 |             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/dns/dns_packet.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 |             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/dns/dns_packet.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |             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/dns/dns_packet.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(self.header.write(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             try!(question.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.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/dns/dns_packet.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         try!(self.write(val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         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/dns/buffer/mod.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         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/dns/buffer/mod.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         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/dns/buffer/mod.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         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/dns/buffer/mod.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         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/dns/buffer/mod.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         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/dns/buffer/mod.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         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/dns/buffer/mod.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         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/dns/buffer/mod.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 try!(self.write_u16(jump_inst));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |             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/dns/buffer/mod.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |                 try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |             try!(self.write_u8(0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:177:30
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let res = (u16::from(try!(self.read())) << 8) | (u16::from(try!(self.read())));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:177:68
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let res = (u16::from(try!(self.read())) << 8) | (u16::from(try!(self.read())));
[INFO] [stderr]     |                                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:183:30
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let res = (u32::from(try!(self.read())) << 24) | (u32::from(try!(self.read())) << 16)
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:183:69
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let res = (u32::from(try!(self.read())) << 24) | (u32::from(try!(self.read())) << 16)
[INFO] [stderr]     |                                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:184:26
[INFO] [stderr]     |
[INFO] [stderr] 184 |             | (u32::from(try!(self.read())) << 8)
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:185:26
[INFO] [stderr]     |
[INFO] [stderr] 185 |             | (u32::from(try!(self.read())));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:196:23
[INFO] [stderr]     |
[INFO] [stderr] 196 |             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/dns/buffer/mod.rs:206:21
[INFO] [stderr]     |
[INFO] [stderr] 206 |                     try!(self.seek(pos + 2));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:209:36
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 let b2 = u16::from(try!(self.get(pos + 1)));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:225:30
[INFO] [stderr]     |
[INFO] [stderr] 225 |             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/dns/buffer/mod.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |             try!(self.seek(pos));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let socket = try!(UdpSocket::bind(("0.0.0.0", 43210)));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     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/lib.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let response = try!(lookup(qname, qtype, server));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:77:34
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let recursive_response = try!(recursive_lookup(&new_ns_name, QueryType::A));
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 112 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `"docker" "inspect" "ff7525e837c65093160b34acc51683d407eb1deb26dfa45c1df0339c007dc24b"`
[INFO] running `"docker" "rm" "-f" "ff7525e837c65093160b34acc51683d407eb1deb26dfa45c1df0339c007dc24b"`
[INFO] [stdout] ff7525e837c65093160b34acc51683d407eb1deb26dfa45c1df0339c007dc24b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] 4c9f5e443a43ac9c4b233e552daf7c154221dba820e54cf89f326ec298e80561
[INFO] running `"docker" "start" "-a" "4c9f5e443a43ac9c4b233e552daf7c154221dba820e54cf89f326ec298e80561"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.id = try!(buffer.read_u16());
[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/dns/dns_header.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |         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/dns/dns_header.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |         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/dns/dns_header.rs:78:24
[INFO] [stderr]    |
[INFO] [stderr] 78 |         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/dns/dns_header.rs:79:38
[INFO] [stderr]    |
[INFO] [stderr] 79 |         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/dns/dns_header.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |         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/dns/dns_header.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         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/dns/dns_header.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buffer.write_u8(
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(buffer.write_u8(
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_header.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         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/dns/dns_header.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         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/dns/dns_header.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         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/dns/dns_header.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         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/dns_question.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         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/dns/dns_question.rs:20:42
[INFO] [stderr]    |
[INFO] [stderr] 20 |         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/dns/dns_question.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         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/dns/dns_question.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         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/dns/dns_question.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         try!(buffer.write_u16(typenum));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_question.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         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/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/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/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/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/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/dns_record.rs:59:32
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 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/dns_record.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 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/dns_record.rs:74:33
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 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/dns_record.rs:75:33
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 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/dns_record.rs:76:33
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 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/dns_record.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_record.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_record.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 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/dns_record.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/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/dns_record.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 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/dns_record.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 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/dns_record.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 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/dns_record.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 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/dns_record.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 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/dns_record.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 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/dns_record.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 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/dns_record.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 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/dns_record.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 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/dns_record.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 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/dns_record.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 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/dns_record.rs:162:17
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 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/dns_record.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 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/dns_record.rs:166:17
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 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/dns_record.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 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/dns_record.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |                 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/dns_record.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 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/dns_record.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 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/dns_record.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 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/dns_record.rs:181:17
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 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/dns_record.rs:184:17
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 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/dns_record.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |                 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/dns_record.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 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/dns_record.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 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/dns_record.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 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/dns_record.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 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/dns_record.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 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/dns_record.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 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/dns_record.rs:205:17
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 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/dns_record.rs:206:17
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 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/dns_record.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 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/dns_record.rs:216:17
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 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/dns_record.rs:217:17
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 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/dns_record.rs:218:17
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 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/dns_record.rs:219:17
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 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/dns_record.rs:220:17
[INFO] [stderr]     |
[INFO] [stderr] 220 |                 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/dns_record.rs:223:21
[INFO] [stderr]     |
[INFO] [stderr] 223 |                     try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         try!(result.header.read(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             try!(question.read(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 |             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/dns/dns_packet.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 |             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/dns/dns_packet.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |             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/dns/dns_packet.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(self.header.write(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             try!(question.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.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/dns/dns_packet.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         try!(self.write(val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         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/dns/buffer/mod.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         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/dns/buffer/mod.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         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/dns/buffer/mod.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         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/dns/buffer/mod.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         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/dns/buffer/mod.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         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/dns/buffer/mod.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         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/dns/buffer/mod.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         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/dns/buffer/mod.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 try!(self.write_u16(jump_inst));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |             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/dns/buffer/mod.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |                 try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |             try!(self.write_u8(0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:177:30
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let res = (u16::from(try!(self.read())) << 8) | (u16::from(try!(self.read())));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:177:68
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let res = (u16::from(try!(self.read())) << 8) | (u16::from(try!(self.read())));
[INFO] [stderr]     |                                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:183:30
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let res = (u32::from(try!(self.read())) << 24) | (u32::from(try!(self.read())) << 16)
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:183:69
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let res = (u32::from(try!(self.read())) << 24) | (u32::from(try!(self.read())) << 16)
[INFO] [stderr]     |                                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:184:26
[INFO] [stderr]     |
[INFO] [stderr] 184 |             | (u32::from(try!(self.read())) << 8)
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:185:26
[INFO] [stderr]     |
[INFO] [stderr] 185 |             | (u32::from(try!(self.read())));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:196:23
[INFO] [stderr]     |
[INFO] [stderr] 196 |             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/dns/buffer/mod.rs:206:21
[INFO] [stderr]     |
[INFO] [stderr] 206 |                     try!(self.seek(pos + 2));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.id = try!(buffer.read_u16());
[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/dns/buffer/mod.rs:209:36
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 let b2 = u16::from(try!(self.get(pos + 1)));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |         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/dns/buffer/mod.rs:225:30
[INFO] [stderr]     |
[INFO] [stderr] 225 |             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/dns/dns_header.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |         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/dns/buffer/mod.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |             try!(self.seek(pos));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:78:24
[INFO] [stderr]    |
[INFO] [stderr] 78 |         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/lib.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let socket = try!(UdpSocket::bind(("0.0.0.0", 43210)));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:79:38
[INFO] [stderr]    |
[INFO] [stderr] 79 |         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/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     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/dns/dns_header.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |         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/lib.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let response = try!(lookup(qname, qtype, server));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         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/lib.rs:77:34
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let recursive_response = try!(recursive_lookup(&new_ns_name, QueryType::A));
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buffer.write_u8(
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 112 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_header.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(buffer.write_u8(
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_header.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         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/dns/dns_header.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         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/dns/dns_header.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         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/dns/dns_header.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         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/dns_question.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         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/dns/dns_question.rs:20:42
[INFO] [stderr]    |
[INFO] [stderr] 20 |         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/dns/dns_question.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         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/dns/dns_question.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         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/dns/dns_question.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         try!(buffer.write_u16(typenum));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_question.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         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/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/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/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/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/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/dns_record.rs:59:32
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 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/dns_record.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 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/dns_record.rs:74:33
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 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/dns_record.rs:75:33
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 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/dns_record.rs:76:33
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 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/dns_record.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_record.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/dns_record.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 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/dns_record.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 try!(buffer.read_qname(&mut host));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/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/dns_record.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 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/dns_record.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 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/dns_record.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 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/dns_record.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 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/dns_record.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 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/dns_record.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 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/dns_record.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 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/dns_record.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 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/dns_record.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 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/dns_record.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 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/dns_record.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 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/dns_record.rs:162:17
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 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/dns_record.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 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/dns_record.rs:166:17
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 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/dns_record.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 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/dns_record.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |                 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/dns_record.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 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/dns_record.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 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/dns_record.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 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/dns_record.rs:181:17
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 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/dns_record.rs:184:17
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 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/dns_record.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |                 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/dns_record.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 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/dns_record.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 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/dns_record.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 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/dns_record.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 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/dns_record.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 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/dns_record.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 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/dns_record.rs:205:17
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 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/dns_record.rs:206:17
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 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/dns_record.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 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/dns_record.rs:216:17
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 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/dns_record.rs:217:17
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 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/dns_record.rs:218:17
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 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/dns_record.rs:219:17
[INFO] [stderr]     |
[INFO] [stderr] 219 |                 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/dns_record.rs:220:17
[INFO] [stderr]     |
[INFO] [stderr] 220 |                 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/dns_record.rs:223:21
[INFO] [stderr]     |
[INFO] [stderr] 223 |                     try!(buffer.write_u16(*octet));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         try!(result.header.read(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             try!(question.read(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 |             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/dns/dns_packet.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 |             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/dns/dns_packet.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |             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/dns/dns_packet.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(self.header.write(buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             try!(question.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.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/dns/dns_packet.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/dns_packet.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             try!(rec.write(buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dns/buffer/stream_packet_buffer.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             try!(self.stream.read_exact(&mut local_buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         try!(self.write(val));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test dns::test::it_parses_a_response ... ok
[INFO] [stdout] test dns::buffer::tests::test_write_qname ... ok
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         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/dns/buffer/mod.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         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/dns/buffer/mod.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         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/dns/buffer/mod.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         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/dns/buffer/mod.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         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/dns/buffer/mod.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         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/dns/buffer/mod.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         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/dns/buffer/mod.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         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/dns/buffer/mod.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 try!(self.write_u16(jump_inst));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |             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/dns/buffer/mod.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |                 try!(self.write_u8(*b));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |             try!(self.write_u8(0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:177:30
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let res = (u16::from(try!(self.read())) << 8) | (u16::from(try!(self.read())));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:177:68
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let res = (u16::from(try!(self.read())) << 8) | (u16::from(try!(self.read())));
[INFO] [stderr]     |                                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:183:30
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let res = (u32::from(try!(self.read())) << 24) | (u32::from(try!(self.read())) << 16)
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:183:69
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let res = (u32::from(try!(self.read())) << 24) | (u32::from(try!(self.read())) << 16)
[INFO] [stderr]     |                                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:184:26
[INFO] [stderr]     |
[INFO] [stderr] 184 |             | (u32::from(try!(self.read())) << 8)
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:185:26
[INFO] [stderr]     |
[INFO] [stderr] 185 |             | (u32::from(try!(self.read())));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:196:23
[INFO] [stderr]     |
[INFO] [stderr] 196 |             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/dns/buffer/mod.rs:206:21
[INFO] [stderr]     |
[INFO] [stderr] 206 |                     try!(self.seek(pos + 2));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:209:36
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 let b2 = u16::from(try!(self.get(pos + 1)));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dns/buffer/mod.rs:225:30
[INFO] [stderr]     |
[INFO] [stderr] 225 |             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/dns/buffer/mod.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |             try!(self.seek(pos));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let socket = try!(UdpSocket::bind(("0.0.0.0", 43210)));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     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/lib.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let response = try!(lookup(qname, qtype, server));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:77:34
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let recursive_response = try!(recursive_lookup(&new_ns_name, QueryType::A));
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 112 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dnsafe-e3aaf1f038328d85
[INFO] [stdout] test dns::buffer::tests::test_qname ... ok
[INFO] [stdout] test dns::test::it_parses_a_request ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dnsafe-11dddbee7b9e0b12
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dnsafe
[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] [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" "4c9f5e443a43ac9c4b233e552daf7c154221dba820e54cf89f326ec298e80561"`
[INFO] running `"docker" "rm" "-f" "4c9f5e443a43ac9c4b233e552daf7c154221dba820e54cf89f326ec298e80561"`
[INFO] [stdout] 4c9f5e443a43ac9c4b233e552daf7c154221dba820e54cf89f326ec298e80561