[INFO] fetching crate dns-parser-joe 0.1.1...
[INFO] checking dns-parser-joe-0.1.1 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate dns-parser-joe 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate dns-parser-joe 0.1.1 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dns-parser-joe 0.1.1
[INFO] finished tweaking crates.io crate dns-parser-joe 0.1.1
[INFO] tweaked toml for crates.io crate dns-parser-joe 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84747c56a3ddb70dd72298a98335f0aa6c8e064d300acd9932e8ef33a1f4bd57
[INFO] running `Command { std: "docker" "start" "-a" "84747c56a3ddb70dd72298a98335f0aa6c8e064d300acd9932e8ef33a1f4bd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84747c56a3ddb70dd72298a98335f0aa6c8e064d300acd9932e8ef33a1f4bd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84747c56a3ddb70dd72298a98335f0aa6c8e064d300acd9932e8ef33a1f4bd57", kill_on_drop: false }`
[INFO] [stdout] 84747c56a3ddb70dd72298a98335f0aa6c8e064d300acd9932e8ef33a1f4bd57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d32c38e450d9c9fb6a4903d85e83ff65d6e806f580bf620f21009cf26665a6
[INFO] running `Command { std: "docker" "start" "-a" "a2d32c38e450d9c9fb6a4903d85e83ff65d6e806f580bf620f21009cf26665a6", kill_on_drop: false }`
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking dns-parser-joe v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/enums.rs:180:14
[INFO] [stdout]     |
[INFO] [stdout] 180 |             6...15 => Reserved(code),
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/name.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     try!(fmt.write_char('.'));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/name.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 try!(fmt.write_str(from_utf8(&data[pos+1..end]).unwrap()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/name.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     try!(fmt.write_char('.'));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let header = try!(Header::parse(data));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let name = try!(Name::scan(&data[offset..], data));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let qtype = try!(QueryType::parse(
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:25:44
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let (prefer_unicast, qclass) = try!(parse_qclass_code(
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |             answers.push(try!(parse_record(data, &mut offset)));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |             nameservers.push(try!(parse_record(data, &mut offset)));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     opt = Some(try!(parse_opt_record(data, &mut offset)));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 additional.push(try!(parse_record(data, &mut offset)));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:72:18
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let qclass = try!(QueryClass::parse(qclass_code));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let cls = try!(Class::parse(class_code));
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let name = try!(Name::scan(&data[*offset..], data));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:91:15
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let typ = try!(Type::parse(
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:96:35
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let (multicast_unique, cls) = try!(parse_class_code(class_code));
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let data = try!(RRData::parse(typ,
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:127:15
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let typ = try!(Type::parse(
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let data = try!(RRData::parse(typ,
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:52:34
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 Ok(RRData::CNAME(try!(Name::scan(rdata, original))))
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:55:31
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 Ok(RRData::NS(try!(Name::scan(rdata, original))))
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:63:31
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     exchange: try!(Name::scan(&rdata[2..], original)),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:67:32
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 Ok(RRData::PTR(try!(Name::scan(rdata, original))))
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:71:43
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 let primary_name_server = try!(Name::scan(rdata, original));
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:73:31
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let mailbox = try!(Name::scan(&rdata[pos..], original));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     target: try!(Name::scan(&rdata[6..], original)),
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/enums.rs:180:14
[INFO] [stdout]     |
[INFO] [stdout] 180 |             6...15 => Reserved(code),
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/name.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     try!(fmt.write_char('.'));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/name.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 try!(fmt.write_str(from_utf8(&data[pos+1..end]).unwrap()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/name.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     try!(fmt.write_char('.'));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let header = try!(Header::parse(data));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let name = try!(Name::scan(&data[offset..], data));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let qtype = try!(QueryType::parse(
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:25:44
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let (prefer_unicast, qclass) = try!(parse_qclass_code(
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |             answers.push(try!(parse_record(data, &mut offset)));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |             nameservers.push(try!(parse_record(data, &mut offset)));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     opt = Some(try!(parse_opt_record(data, &mut offset)));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 additional.push(try!(parse_record(data, &mut offset)));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:72:18
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let qclass = try!(QueryClass::parse(qclass_code));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let cls = try!(Class::parse(class_code));
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let name = try!(Name::scan(&data[*offset..], data));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:91:15
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let typ = try!(Type::parse(
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:96:35
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let (multicast_unique, cls) = try!(parse_class_code(class_code));
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let data = try!(RRData::parse(typ,
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:127:15
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let typ = try!(Type::parse(
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let data = try!(RRData::parse(typ,
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:52:34
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 Ok(RRData::CNAME(try!(Name::scan(rdata, original))))
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:55:31
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 Ok(RRData::NS(try!(Name::scan(rdata, original))))
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:63:31
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     exchange: try!(Name::scan(&rdata[2..], original)),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:67:32
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 Ok(RRData::PTR(try!(Name::scan(rdata, original))))
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:71:43
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 let primary_name_server = try!(Name::scan(rdata, original));
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:73:31
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let mailbox = try!(Name::scan(&rdata[pos..], original));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rrdata.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     target: try!(Name::scan(&rdata[6..], original)),
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "a2d32c38e450d9c9fb6a4903d85e83ff65d6e806f580bf620f21009cf26665a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d32c38e450d9c9fb6a4903d85e83ff65d6e806f580bf620f21009cf26665a6", kill_on_drop: false }`
[INFO] [stdout] a2d32c38e450d9c9fb6a4903d85e83ff65d6e806f580bf620f21009cf26665a6
