[INFO] cloning repository https://github.com/galacticfungus/ProgrammableProxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/galacticfungus/ProgrammableProxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01513b982a8d691f9e964241ebeac9910498fc46
[INFO] checking galacticfungus/ProgrammableProxy against master#368e2fd458a22d0cc133d0c254f2612ee999744f for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galacticfungus/ProgrammableProxy on toolchain 368e2fd458a22d0cc133d0c254f2612ee999744f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/galacticfungus/ProgrammableProxy
[INFO] finished tweaking git repo https://github.com/galacticfungus/ProgrammableProxy
[INFO] tweaked toml for git repo https://github.com/galacticfungus/ProgrammableProxy written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/galacticfungus/ProgrammableProxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking galacticfungus/ProgrammableProxy against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galacticfungus/ProgrammableProxy on toolchain 09146510cdb33d15474a35fde290187a88b1cf35
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/galacticfungus/ProgrammableProxy
[INFO] finished tweaking git repo https://github.com/galacticfungus/ProgrammableProxy
[INFO] tweaked toml for git repo https://github.com/galacticfungus/ProgrammableProxy written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/galacticfungus/ProgrammableProxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking galacticfungus/ProgrammableProxy against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galacticfungus/ProgrammableProxy on toolchain 09146510cdb33d15474a35fde290187a88b1cf35
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/galacticfungus/ProgrammableProxy
[INFO] finished tweaking git repo https://github.com/galacticfungus/ProgrammableProxy
[INFO] tweaked toml for git repo https://github.com/galacticfungus/ProgrammableProxy written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/galacticfungus/ProgrammableProxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f8a39f35c001b682ad11b9b27213729f54ce62cee753facb33d9bd648f85e09
[INFO] running `Command { std: "docker" "start" "-a" "5f8a39f35c001b682ad11b9b27213729f54ce62cee753facb33d9bd648f85e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f8a39f35c001b682ad11b9b27213729f54ce62cee753facb33d9bd648f85e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8a39f35c001b682ad11b9b27213729f54ce62cee753facb33d9bd648f85e09", kill_on_drop: false }`
[INFO] [stdout] 5f8a39f35c001b682ad11b9b27213729f54ce62cee753facb33d9bd648f85e09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 727cb6aae35782744925d207cb4bde73769fb58aa24e73b65f55fc59dd209924
[INFO] running `Command { std: "docker" "start" "-a" "727cb6aae35782744925d207cb4bde73769fb58aa24e73b65f55fc59dd209924", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking pp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `sync::atomic`, and `write`
[INFO] [stdout]  --> src/dns/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     convert::TryFrom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     fmt::{write, Display},
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 8 |     io::Cursor,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 9 |     sync::atomic,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NativeEndian`
[INFO] [stdout]  --> src/dns/builders/mod.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{NativeEndian, NetworkEndian, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DnsPacket`
[INFO] [stdout]  --> src/dns/builders/mod.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use super::{DnsPacket, DomainName, Question, QuestionClass, QuestionType};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout]  --> src/dns/header.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{Error, ErrorKind, Header, OperationCode, PacketType, ResponseCode};
[INFO] [stdout]   |             ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NetworkEndian` and `ReadBytesExt`
[INFO] [stdout]  --> src/dns/header.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{NetworkEndian, ReadBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Cursor`
[INFO] [stdout]  --> src/dns/header.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt::Display, io::Cursor};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DnsPacket`, `ErrorKind`, `Error`, and `Header`
[INFO] [stdout]  --> src/dns/raw.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{DnsPacket, Error, ErrorKind, Header, RawPacket};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NetworkEndian`, `ReadBytesExt`, and `WriteBytesExt`
[INFO] [stdout]  --> src/dns/raw.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{NetworkEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/dns/raw.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/dns/raw.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/dns/mod.rs:301:10
[INFO] [stdout]     |
[INFO] [stdout] 301 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `sync::atomic`, and `write`
[INFO] [stdout]  --> src/dns/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     convert::TryFrom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     fmt::{write, Display},
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 8 |     io::Cursor,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 9 |     sync::atomic,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NativeEndian`
[INFO] [stdout]  --> src/dns/builders/mod.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{NativeEndian, NetworkEndian, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DnsPacket`
[INFO] [stdout]  --> src/dns/builders/mod.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use super::{DnsPacket, DomainName, Question, QuestionClass, QuestionType};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout]  --> src/dns/header.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{Error, ErrorKind, Header, OperationCode, PacketType, ResponseCode};
[INFO] [stdout]   |             ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NetworkEndian` and `ReadBytesExt`
[INFO] [stdout]  --> src/dns/header.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{NetworkEndian, ReadBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Cursor`
[INFO] [stdout]  --> src/dns/header.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt::Display, io::Cursor};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DnsPacket`, `ErrorKind`, `Error`, and `Header`
[INFO] [stdout]  --> src/dns/raw.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{DnsPacket, Error, ErrorKind, Header, RawPacket};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NetworkEndian`, `ReadBytesExt`, and `WriteBytesExt`
[INFO] [stdout]  --> src/dns/raw.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{NetworkEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/dns/raw.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/dns/raw.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/dns/mod.rs:301:10
[INFO] [stdout]     |
[INFO] [stdout] 301 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:120:23
[INFO] [stdout]     |
[INFO] [stdout] 120 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:124:27
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:129:31
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:150:23
[INFO] [stdout]     |
[INFO] [stdout] 150 |             .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]    --> src/dns/builders/mod.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let labels: Vec<&'a str> = domain_name.split('.').collect();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `question_type`
[INFO] [stdout]    --> src/dns/builders/mod.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         question_type: QuestionType,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_question_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:305:35
[INFO] [stdout]     |
[INFO] [stdout] 305 |                         .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:349:27
[INFO] [stdout]     |
[INFO] [stdout] 349 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:354:27
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:370:27
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:373:27
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:380:27
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:383:27
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `authority_count`
[INFO] [stdout]   --> src/dns/parser.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let authority_count = header.authority_count;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authority_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/dns/parser.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let z = Self::get_bit_position(9, 3, &bitmask);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:84:23
[INFO] [stdout]    |
[INFO] [stdout] 84 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_position`
[INFO] [stdout]    --> src/dns/parser.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let current_position = self.position;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:145:23
[INFO] [stdout]     |
[INFO] [stdout] 145 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:120:23
[INFO] [stdout]     |
[INFO] [stdout] 120 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:124:27
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:129:31
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/dns/parser.rs:198:25
[INFO] [stdout]     |
[INFO] [stdout] 198 |                     Err(error) => return Err(Error::new(ErrorKind::InvalidLabel)),
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:177:31
[INFO] [stdout]     |
[INFO] [stdout] 177 |                     .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:150:23
[INFO] [stdout]     |
[INFO] [stdout] 150 |             .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/dns/parser.rs:274:25
[INFO] [stdout]     |
[INFO] [stdout] 274 |                     Err(error) => return Err(Error::new(ErrorKind::InvalidLabel)),
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain_labels`
[INFO] [stdout]    --> src/dns/parser.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |         domain_labels: &mut PreviousNames<'a>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:221:27
[INFO] [stdout]     |
[INFO] [stdout] 221 |                 .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:249:31
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]    --> src/dns/builders/mod.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let labels: Vec<&'a str> = domain_name.split('.').collect();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `question_type`
[INFO] [stdout]    --> src/dns/builders/mod.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         question_type: QuestionType,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_question_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:311:23
[INFO] [stdout]     |
[INFO] [stdout] 311 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:318:23
[INFO] [stdout]     |
[INFO] [stdout] 318 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:325:23
[INFO] [stdout]     |
[INFO] [stdout] 325 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:331:23
[INFO] [stdout]     |
[INFO] [stdout] 331 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:305:35
[INFO] [stdout]     |
[INFO] [stdout] 305 |                         .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:349:27
[INFO] [stdout]     |
[INFO] [stdout] 349 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:354:27
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:370:27
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:373:27
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:380:27
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/builders/mod.rs:383:27
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `authority_count`
[INFO] [stdout]   --> src/dns/parser.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let authority_count = header.authority_count;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authority_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/dns/parser.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let z = Self::get_bit_position(9, 3, &bitmask);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:84:23
[INFO] [stdout]    |
[INFO] [stdout] 84 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dns/parser.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_position`
[INFO] [stdout]    --> src/dns/parser.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let current_position = self.position;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:145:23
[INFO] [stdout]     |
[INFO] [stdout] 145 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/dns/parser.rs:198:25
[INFO] [stdout]     |
[INFO] [stdout] 198 |                     Err(error) => return Err(Error::new(ErrorKind::InvalidLabel)),
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:177:31
[INFO] [stdout]     |
[INFO] [stdout] 177 |                     .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/dns/parser.rs:274:25
[INFO] [stdout]     |
[INFO] [stdout] 274 |                     Err(error) => return Err(Error::new(ErrorKind::InvalidLabel)),
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain_labels`
[INFO] [stdout]    --> src/dns/parser.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |         domain_labels: &mut PreviousNames<'a>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:221:27
[INFO] [stdout]     |
[INFO] [stdout] 221 |                 .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:249:31
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/dns/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RawPacket {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 21 |     data: [u8; 512],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `previous_positions` is never read
[INFO] [stdout]    --> src/dns/mod.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 316 | pub struct PreviousNames<'a> {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 317 |     domain_names: HashMap<u16, &'a DomainName<'a>>,
[INFO] [stdout] 318 |     previous_positions: HashSet<u16>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `operation_code`, `authorative`, `truncated`, `recursion_available`, and `response_code` are never read
[INFO] [stdout]    --> src/dns/mod.rs:354:5
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub struct Header {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 354 |     id: u16,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 355 |     packet_type: PacketType,
[INFO] [stdout] 356 |     operation_code: OperationCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 357 |     authorative: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 358 |     truncated: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 359 |     recursion_desired: bool,
[INFO] [stdout] 360 |     recursion_available: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 361 |     // z was reserved by now used in sec dns
[INFO] [stdout] 362 |     response_code: ResponseCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CanonicalName` is never constructed
[INFO] [stdout]    --> src/dns/mod.rs:371:5
[INFO] [stdout]     |
[INFO] [stdout] 369 | pub enum ResourcePayload<'a> {
[INFO] [stdout]     |          --------------- variant in this enum
[INFO] [stdout] 370 |     Address(&'a [u8]),
[INFO] [stdout] 371 |     CanonicalName(&'a str),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResourcePayload` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `questions`, `answers`, `authority`, and `additional` are never read
[INFO] [stdout]    --> src/dns/mod.rs:392:5
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub struct DnsPacket<'a> {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 391 |     header: Header,
[INFO] [stdout] 392 |     questions: Vec<Question<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 393 |     answers: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 394 |     authority: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 395 |     additional: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `packet_end` is never read
[INFO] [stdout]   --> src/dns/builders/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DnsQueryBuilder<'a> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 16 |     packet_data: [u8; 512],
[INFO] [stdout] 17 |     packet_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuestionBuilder` is never constructed
[INFO] [stdout]   --> src/dns/builders/mod.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct QuestionBuilder<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse_domain_name` and `add_question` are never used
[INFO] [stdout]    --> src/dns/builders/mod.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl<'a> DnsQueryBuilder<'a> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 208 |     fn parse_domain_name(thingy: &'a str) -> DomainName<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 |     fn add_question(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ExceededPacketSize` is never constructed
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum ErrorKind {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] 3 |     ExceededPacketSize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ErrorKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:311:23
[INFO] [stdout]     |
[INFO] [stdout] 311 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:318:23
[INFO] [stdout]     |
[INFO] [stdout] 318 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:325:23
[INFO] [stdout]     |
[INFO] [stdout] 325 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:331:23
[INFO] [stdout]     |
[INFO] [stdout] 331 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 54 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dns/mod.rs:489:13
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let mut test_value = 0;
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `question`
[INFO] [stdout]    --> src/dns/mod.rs:526:17
[INFO] [stdout]     |
[INFO] [stdout] 526 |             let question = parser
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_question`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/dns/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RawPacket {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 21 |     data: [u8; 512],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `previous_positions` is never read
[INFO] [stdout]    --> src/dns/mod.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 316 | pub struct PreviousNames<'a> {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 317 |     domain_names: HashMap<u16, &'a DomainName<'a>>,
[INFO] [stdout] 318 |     previous_positions: HashSet<u16>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `operation_code`, `authorative`, `truncated`, `recursion_available`, and `response_code` are never read
[INFO] [stdout]    --> src/dns/mod.rs:354:5
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub struct Header {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 354 |     id: u16,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 355 |     packet_type: PacketType,
[INFO] [stdout] 356 |     operation_code: OperationCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 357 |     authorative: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 358 |     truncated: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 359 |     recursion_desired: bool,
[INFO] [stdout] 360 |     recursion_available: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 361 |     // z was reserved by now used in sec dns
[INFO] [stdout] 362 |     response_code: ResponseCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CanonicalName` is never constructed
[INFO] [stdout]    --> src/dns/mod.rs:371:5
[INFO] [stdout]     |
[INFO] [stdout] 369 | pub enum ResourcePayload<'a> {
[INFO] [stdout]     |          --------------- variant in this enum
[INFO] [stdout] 370 |     Address(&'a [u8]),
[INFO] [stdout] 371 |     CanonicalName(&'a str),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResourcePayload` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `questions`, `answers`, `authority`, and `additional` are never read
[INFO] [stdout]    --> src/dns/mod.rs:392:5
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub struct DnsPacket<'a> {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 391 |     header: Header,
[INFO] [stdout] 392 |     questions: Vec<Question<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 393 |     answers: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 394 |     authority: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 395 |     additional: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `packet_end` is never read
[INFO] [stdout]   --> src/dns/builders/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DnsQueryBuilder<'a> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 16 |     packet_data: [u8; 512],
[INFO] [stdout] 17 |     packet_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuestionBuilder` is never constructed
[INFO] [stdout]   --> src/dns/builders/mod.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct QuestionBuilder<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse_domain_name` and `add_question` are never used
[INFO] [stdout]    --> src/dns/builders/mod.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl<'a> DnsQueryBuilder<'a> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 208 |     fn parse_domain_name(thingy: &'a str) -> DomainName<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 |     fn add_question(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ExceededPacketSize` is never constructed
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum ErrorKind {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] 3 |     ExceededPacketSize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ErrorKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "727cb6aae35782744925d207cb4bde73769fb58aa24e73b65f55fc59dd209924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727cb6aae35782744925d207cb4bde73769fb58aa24e73b65f55fc59dd209924", kill_on_drop: false }`
[INFO] [stdout] 727cb6aae35782744925d207cb4bde73769fb58aa24e73b65f55fc59dd209924