[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] testing galacticfungus/ProgrammableProxy against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galacticfungus/ProgrammableProxy on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-5-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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d43915f00f9bb8d52293423049999215f40df6f00a8b6b04666860745a930302
[INFO] running `Command { std: "docker" "start" "-a" "d43915f00f9bb8d52293423049999215f40df6f00a8b6b04666860745a930302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d43915f00f9bb8d52293423049999215f40df6f00a8b6b04666860745a930302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43915f00f9bb8d52293423049999215f40df6f00a8b6b04666860745a930302", kill_on_drop: false }`
[INFO] [stdout] d43915f00f9bb8d52293423049999215f40df6f00a8b6b04666860745a930302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9e3f612a992627d5081da39c06596e214c9f2dcbf8cede2282cd4dc17587986
[INFO] running `Command { std: "docker" "start" "-a" "b9e3f612a992627d5081da39c06596e214c9f2dcbf8cede2282cd4dc17587986", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling pp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `sync::atomic`, `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`, `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`, `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`, `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`, `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: `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: 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: struct `RawPacket` is never constructed
[INFO] [stdout]   --> src/dns/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RawPacket {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DnsParser` is never constructed
[INFO] [stdout]   --> src/dns/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct DnsParser {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `domain_name`, `question_class`, and `question_type` are never read
[INFO] [stdout]    --> src/dns/mod.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct Question<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 145 |     domain_name: DomainName<'a>, // This is built from multiple strings
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 146 |     question_class: QuestionClass,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 147 |     question_type: QuestionType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Question` 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: variant `Labels` is never constructed
[INFO] [stdout]    --> src/dns/mod.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub enum DomainName<'a> {
[INFO] [stdout]     |          ---------- variant in this enum
[INFO] [stdout] 166 |     // Owned str references, ie an uncompressed domain name from the packet, and the basis for the other three types of domain labels
[INFO] [stdout] 167 |     Labels(Vec<&'a str>),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DomainName` 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: associated items `new`, `len`, `labels`, and `has_suitable_pointer` are never used
[INFO] [stdout]    --> src/dns/mod.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | impl<'a> DomainName<'a> {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout] 173 |     pub fn new(labels: Vec<&'a str>) -> DomainName<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub fn labels(&'a self) -> &'a [&'a str] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 |     pub fn has_suitable_pointer(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[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: associated items `new`, `add_label`, and `get` are never used
[INFO] [stdout]    --> src/dns/mod.rs:323:12
[INFO] [stdout]     |
[INFO] [stdout] 322 | impl<'a> PreviousNames<'a> {
[INFO] [stdout]     | -------------------------- associated items in this implementation
[INFO] [stdout] 323 |     pub fn new() -> PreviousNames<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 |     pub fn add_label(&mut self, domain_name: &'a DomainName<'a>, position: u16) -> () {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     pub fn get(&self, position: u16) -> Option<&DomainName> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields 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] 365 |     authority_count: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 366 |     additional_count: u16,
[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: variants `Address` and `CanonicalName` are never constructed
[INFO] [stdout]    --> src/dns/mod.rs:370:5
[INFO] [stdout]     |
[INFO] [stdout] 369 | pub enum ResourcePayload<'a> {
[INFO] [stdout]     |          --------------- variants in this enum
[INFO] [stdout] 370 |     Address(&'a [u8]),
[INFO] [stdout]     |     ^^^^^^^
[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: struct `DnsQueryBuilder` is never constructed
[INFO] [stdout]   --> src/dns/builders/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DnsQueryBuilder<'a> {
[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: variants `Pointer` and `LabelsThenPointer` are never constructed
[INFO] [stdout]   --> src/dns/builders/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum DomainNamePointer<'a> {
[INFO] [stdout]    |          ----------------- variants in this enum
[INFO] [stdout] 35 |     Pointer(usize),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 36 |     LabelsThenPointer(&'a [&'a str], usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DomainNamePointer` 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: field `offset` is never read
[INFO] [stdout]   --> src/dns/builders/mod.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct DomainNameBuilder<'a> {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     offset: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `labels`, and `position` are never used
[INFO] [stdout]   --> src/dns/builders/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<'a> DomainNameBuilder<'a> {
[INFO] [stdout]    | ------------------------------ associated items in this implementation
[INFO] [stdout] 46 |     pub fn new(original_name: &'a DomainName<'a>, position: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn labels(&self) -> &[(&'a str, usize)] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn position(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/dns/builders/mod.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl<'a> DnsQueryBuilder<'a> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 108 |     pub fn new() -> DnsQueryBuilder<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn write_id(&mut self, id: Option<u16>) -> Result<&mut Self, Error> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn recursion(&mut self, recursion_desired: bool) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn set_question_count(&mut self) -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn set_bit_position(&mut self, position: u8, bit_length: u8, bits_to_set: u16) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[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] 259 |     pub fn request_address(&mut self, domain_name: &'a str) -> Result<&mut Self, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub fn build_query(&mut self) -> Result<[u8; 512], Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |     fn write_labels(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/dns/header.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Header {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn new() -> Header {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/dns/packet.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl<'a> DnsPacket<'a> {
[INFO] [stdout]   | ---------------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn new(
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/dns/parser.rs:10:12
[INFO] [stdout]     |
[INFO] [stdout] 9   | impl DnsParser {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 10  |     pub fn new() -> DnsParser {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14  |     pub fn parse_packet<'a>(&mut self, packet_data: &'a [u8]) -> Result<DnsPacket<'a>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48  |     pub fn read_header(&mut self, packet_data: &[u8]) -> Result<Header, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn read_question<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn read_domain_name_pointer<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 |     pub fn read_domain_name<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     pub fn read_answer<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     pub fn get_bit_position(position: u8, bit_length: u8, source: &u16) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/raw.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl RawPacket {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 80 |     pub fn new() -> RawPacket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ExceededPacketSize`, `ReadPacketDataFailed`, `WritePacketDataFailed`, and `InvalidLabel` are never constructed
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum ErrorKind {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 3 |     ExceededPacketSize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     ReadPacketDataFailed,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     WritePacketDataFailed,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     InvalidLabel,
[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: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Error {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new(kind: ErrorKind) -> Error {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 67 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "b9e3f612a992627d5081da39c06596e214c9f2dcbf8cede2282cd4dc17587986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e3f612a992627d5081da39c06596e214c9f2dcbf8cede2282cd4dc17587986", kill_on_drop: false }`
[INFO] [stdout] b9e3f612a992627d5081da39c06596e214c9f2dcbf8cede2282cd4dc17587986
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea95f5b4da860c256f00d7ab913dce282b3b014e99910b876c568602688fd27
[INFO] running `Command { std: "docker" "start" "-a" "7ea95f5b4da860c256f00d7ab913dce282b3b014e99910b876c568602688fd27", kill_on_drop: false }`
[INFO] [stderr]    Compiling pp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `sync::atomic`, `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`, `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`, `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`, `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`, `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: `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: 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: 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: struct `RawPacket` is never constructed
[INFO] [stdout]   --> src/dns/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RawPacket {
[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: methods `add_label` and `get` are never used
[INFO] [stdout]    --> src/dns/mod.rs:331:12
[INFO] [stdout]     |
[INFO] [stdout] 322 | impl<'a> PreviousNames<'a> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 331 |     pub fn add_label(&mut self, domain_name: &'a DomainName<'a>, position: u16) -> () {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     pub fn get(&self, position: u16) -> Option<&DomainName> {
[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: associated function `new` is never used
[INFO] [stdout]  --> src/dns/header.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Header {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn new() -> Header {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/raw.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl RawPacket {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 80 |     pub fn new() -> RawPacket {
[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: 59 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "7ea95f5b4da860c256f00d7ab913dce282b3b014e99910b876c568602688fd27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea95f5b4da860c256f00d7ab913dce282b3b014e99910b876c568602688fd27", kill_on_drop: false }`
[INFO] [stdout] 7ea95f5b4da860c256f00d7ab913dce282b3b014e99910b876c568602688fd27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bbf2320b049a1e0b98bd16261cae2407452ed9b1536007f9c8d48125898016e
[INFO] running `Command { std: "docker" "start" "-a" "0bbf2320b049a1e0b98bd16261cae2407452ed9b1536007f9c8d48125898016e", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `sync::atomic`, `write`
[INFO] [stderr]  --> src/dns/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     convert::TryFrom,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 7 |     fmt::{write, Display},
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 8 |     io::Cursor,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 9 |     sync::atomic,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NativeEndian`
[INFO] [stderr]  --> src/dns/builders/mod.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use byteorder::{NativeEndian, NetworkEndian, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DnsPacket`
[INFO] [stderr]  --> src/dns/builders/mod.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::{DnsPacket, DomainName, Question, QuestionClass, QuestionType};
[INFO] [stderr]   |             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/dns/header.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{Error, ErrorKind, Header, OperationCode, PacketType, ResponseCode};
[INFO] [stderr]   |             ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `NetworkEndian`, `ReadBytesExt`
[INFO] [stderr]  --> src/dns/header.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use byteorder::{NetworkEndian, ReadBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io::Cursor`
[INFO] [stderr]  --> src/dns/header.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{fmt::Display, io::Cursor};
[INFO] [stderr]   |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DnsPacket`, `ErrorKind`, `Error`, `Header`
[INFO] [stderr]  --> src/dns/raw.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{DnsPacket, Error, ErrorKind, Header, RawPacket};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `NetworkEndian`, `ReadBytesExt`, `WriteBytesExt`
[INFO] [stderr]  --> src/dns/raw.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use byteorder::{NetworkEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]  --> src/dns/raw.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]  --> src/dns/raw.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Cursor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/dns/mod.rs:301:10
[INFO] [stderr]     |
[INFO] [stderr] 301 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:120:23
[INFO] [stderr]     |
[INFO] [stderr] 120 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:124:27
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:129:31
[INFO] [stderr]     |
[INFO] [stderr] 129 |                     .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:150:23
[INFO] [stderr]     |
[INFO] [stderr] 150 |             .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `labels`
[INFO] [stderr]    --> src/dns/builders/mod.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let labels: Vec<&'a str> = domain_name.split('.').collect();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `question_type`
[INFO] [stderr]    --> src/dns/builders/mod.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |         question_type: QuestionType,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_question_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:305:35
[INFO] [stderr]     |
[INFO] [stderr] 305 |                         .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:349:27
[INFO] [stderr]     |
[INFO] [stderr] 349 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:354:27
[INFO] [stderr]     |
[INFO] [stderr] 354 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:370:27
[INFO] [stderr]     |
[INFO] [stderr] 370 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:373:27
[INFO] [stderr]     |
[INFO] [stderr] 373 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:380:27
[INFO] [stderr]     |
[INFO] [stderr] 380 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:383:27
[INFO] [stderr]     |
[INFO] [stderr] 383 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `authority_count`
[INFO] [stderr]   --> src/dns/parser.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let authority_count = header.authority_count;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authority_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]   --> src/dns/parser.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let z = Self::get_bit_position(9, 3, &bitmask);
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:79:23
[INFO] [stderr]    |
[INFO] [stderr] 79 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:92:23
[INFO] [stderr]    |
[INFO] [stderr] 92 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_position`
[INFO] [stderr]    --> src/dns/parser.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let current_position = self.position;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_position`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:139:23
[INFO] [stderr]     |
[INFO] [stderr] 139 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:145:23
[INFO] [stderr]     |
[INFO] [stderr] 145 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/dns/parser.rs:198:25
[INFO] [stderr]     |
[INFO] [stderr] 198 |                     Err(error) => return Err(Error::new(ErrorKind::InvalidLabel)),
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:177:31
[INFO] [stderr]     |
[INFO] [stderr] 177 |                     .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/dns/parser.rs:274:25
[INFO] [stderr]     |
[INFO] [stderr] 274 |                     Err(error) => return Err(Error::new(ErrorKind::InvalidLabel)),
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `domain_labels`
[INFO] [stderr]    --> src/dns/parser.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 |         domain_labels: &mut PreviousNames<'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain_labels`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:221:27
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:249:31
[INFO] [stderr]     |
[INFO] [stderr] 249 |                     .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:311:23
[INFO] [stderr]     |
[INFO] [stderr] 311 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:318:23
[INFO] [stderr]     |
[INFO] [stderr] 318 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:325:23
[INFO] [stderr]     |
[INFO] [stderr] 325 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:331:23
[INFO] [stderr]     |
[INFO] [stderr] 331 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dns/mod.rs:489:13
[INFO] [stderr]     |
[INFO] [stderr] 489 |         let mut test_value = 0;
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `question`
[INFO] [stderr]    --> src/dns/mod.rs:526:17
[INFO] [stderr]     |
[INFO] [stderr] 526 |             let question = parser
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_question`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RawPacket` is never constructed
[INFO] [stderr]   --> src/dns/mod.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct RawPacket {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `previous_positions` is never read
[INFO] [stderr]    --> src/dns/mod.rs:318:5
[INFO] [stderr]     |
[INFO] [stderr] 316 | pub struct PreviousNames<'a> {
[INFO] [stderr]     |            ------------- field in this struct
[INFO] [stderr] 317 |     domain_names: HashMap<u16, &'a DomainName<'a>>,
[INFO] [stderr] 318 |     previous_positions: HashSet<u16>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add_label` and `get` are never used
[INFO] [stderr]    --> src/dns/mod.rs:331:12
[INFO] [stderr]     |
[INFO] [stderr] 322 | impl<'a> PreviousNames<'a> {
[INFO] [stderr]     | -------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 331 |     pub fn add_label(&mut self, domain_name: &'a DomainName<'a>, position: u16) -> () {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 335 |     pub fn get(&self, position: u16) -> Option<&DomainName> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id`, `operation_code`, `authorative`, `truncated`, `recursion_available`, and `response_code` are never read
[INFO] [stderr]    --> src/dns/mod.rs:354:5
[INFO] [stderr]     |
[INFO] [stderr] 353 | pub struct Header {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] 354 |     id: u16,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 355 |     packet_type: PacketType,
[INFO] [stderr] 356 |     operation_code: OperationCode,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 357 |     authorative: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 358 |     truncated: bool,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 359 |     recursion_desired: bool,
[INFO] [stderr] 360 |     recursion_available: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 361 |     // z was reserved by now used in sec dns
[INFO] [stderr] 362 |     response_code: ResponseCode,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CanonicalName` is never constructed
[INFO] [stderr]    --> src/dns/mod.rs:371:5
[INFO] [stderr]     |
[INFO] [stderr] 369 | pub enum ResourcePayload<'a> {
[INFO] [stderr]     |          --------------- variant in this enum
[INFO] [stderr] 370 |     Address(&'a [u8]),
[INFO] [stderr] 371 |     CanonicalName(&'a str),
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ResourcePayload` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `questions`, `answers`, `authority`, and `additional` are never read
[INFO] [stderr]    --> src/dns/mod.rs:392:5
[INFO] [stderr]     |
[INFO] [stderr] 390 | pub struct DnsPacket<'a> {
[INFO] [stderr]     |            --------- fields in this struct
[INFO] [stderr] 391 |     header: Header,
[INFO] [stderr] 392 |     questions: Vec<Question<'a>>,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 393 |     answers: Vec<Resource<'a>>,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 394 |     authority: Vec<Resource<'a>>,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 395 |     additional: Vec<Resource<'a>>,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `packet_end` is never read
[INFO] [stderr]   --> src/dns/builders/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct DnsQueryBuilder<'a> {
[INFO] [stderr]    |            --------------- field in this struct
[INFO] [stderr] 16 |     packet_data: [u8; 512],
[INFO] [stderr] 17 |     packet_end: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `QuestionBuilder` is never constructed
[INFO] [stderr]   --> src/dns/builders/mod.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct QuestionBuilder<'a> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `parse_domain_name` and `add_question` are never used
[INFO] [stderr]    --> src/dns/builders/mod.rs:208:8
[INFO] [stderr]     |
[INFO] [stderr] 107 | impl<'a> DnsQueryBuilder<'a> {
[INFO] [stderr]     | ---------------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 208 |     fn parse_domain_name(thingy: &'a str) -> DomainName<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 229 |     fn add_question(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/dns/header.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Header {
[INFO] [stderr]   | ----------- associated function in this implementation
[INFO] [stderr] 6 |     pub fn new() -> Header {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/dns/raw.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 79 | impl RawPacket {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 80 |     pub fn new() -> RawPacket {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ExceededPacketSize` is never constructed
[INFO] [stderr]  --> src/error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum ErrorKind {
[INFO] [stderr]   |          --------- variant in this enum
[INFO] [stderr] 3 |     ExceededPacketSize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ErrorKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `pp` (bin "pp" test) generated 59 warnings (run `cargo fix --bin "pp" --tests` to apply 46 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pp-32a204579879658d)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test dns::builders::test_builders::test_set_bit_position ... ok
[INFO] [stdout] test dns::builders::test_builders::test_set_recursion_desired ... ok
[INFO] [stdout] test dns::builders::test_builders::test_build_query_packet ... ok
[INFO] [stdout] test dns::parser::tests::test_read_domain_name ... ok
[INFO] [stdout] test dns::parser::tests::test_read_pointer_domain_name ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer_longer_previous ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer_same_size ... ok
[INFO] [stdout] test dns::tests::test_parse_packet ... ok
[INFO] [stdout] test dns::tests::test_read_answer ... ok
[INFO] [stdout] test dns::tests::test_read_header ... ok
[INFO] [stdout] test dns::tests::test_read_header2 ... ok
[INFO] [stdout] test dns::tests::test_read_question ... ok
[INFO] [stdout] test dns::tests::test_read_question2 ... ok
[INFO] [stdout] test dns::tests::test_get_bit_position ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- dns::tests::test_get_bit_position stdout ----
[INFO] [stdout] thread 'dns::tests::test_get_bit_position' panicked at src/dns/mod.rs:492:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 0
[INFO] [stdout]  right: 49152
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629480847c6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5629480847c6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5629480847c6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5629480847c6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5629480ad610 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5629480ad610 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56294808222f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x5629480845a4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5629480845a4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x562948086317 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x562948085ffd - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5629480559d7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5629480559d7 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x562948086936 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x562948086936 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x562948086682 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x562948084cc6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5629480863e0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x562947ff7cd5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x562947ff814b - core::panicking::assert_failed_inner::hbf94b40c37b92af0
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x56294801c2fe - core::panicking::assert_failed::h0d46432a624ab3c5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x56294801f895 - pp::dns::tests::test_get_bit_position::hc4c7078041368c55
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dns/mod.rs:492:9
[INFO] [stdout]   22:     0x56294801f7f7 - pp::dns::tests::test_get_bit_position::{{closure}}::ha26d587b1aadd089
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dns/mod.rs:488:31
[INFO] [stdout]   23:     0x56294800e296 - core::ops::function::FnOnce::call_once::he297fe6967059309
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56294805b2af - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56294805b2af - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x56294805a031 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x56294805a031 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x56294805a031 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x56294805a031 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x56294805a031 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x56294805a031 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x56294805a031 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x562948021366 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x562948021366 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5629480263c7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x5629480263c7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5629480263c7 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x5629480263c7 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x5629480263c7 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x5629480263c7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x5629480263c7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56294808b3e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x56294808b3e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x56294808b3e5 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f8121423ac3 - <unknown>
[INFO] [stdout]   46:     0x7f81214b4bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     dns::tests::test_get_bit_position
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 14 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin pp`
[INFO] running `Command { std: "docker" "inspect" "0bbf2320b049a1e0b98bd16261cae2407452ed9b1536007f9c8d48125898016e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bbf2320b049a1e0b98bd16261cae2407452ed9b1536007f9c8d48125898016e", kill_on_drop: false }`
[INFO] [stdout] 0bbf2320b049a1e0b98bd16261cae2407452ed9b1536007f9c8d48125898016e
[INFO] testing galacticfungus/ProgrammableProxy against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galacticfungus/ProgrammableProxy on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-5-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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3af77bf74db9fca3268d246c3f4df13efbdea776d2b76a86b3bfee7a5efbfc4
[INFO] running `Command { std: "docker" "start" "-a" "d3af77bf74db9fca3268d246c3f4df13efbdea776d2b76a86b3bfee7a5efbfc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3af77bf74db9fca3268d246c3f4df13efbdea776d2b76a86b3bfee7a5efbfc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3af77bf74db9fca3268d246c3f4df13efbdea776d2b76a86b3bfee7a5efbfc4", kill_on_drop: false }`
[INFO] [stdout] d3af77bf74db9fca3268d246c3f4df13efbdea776d2b76a86b3bfee7a5efbfc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df86c4034ee5917017921d90ae78aaec36221ce4afce9b0962a02be8d11c54b9
[INFO] running `Command { std: "docker" "start" "-a" "df86c4034ee5917017921d90ae78aaec36221ce4afce9b0962a02be8d11c54b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling pp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `sync::atomic`, `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`, `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`, `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`, `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`, `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: `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: 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: struct `RawPacket` is never constructed
[INFO] [stdout]   --> src/dns/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RawPacket {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DnsParser` is never constructed
[INFO] [stdout]   --> src/dns/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct DnsParser {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `domain_name`, `question_class`, and `question_type` are never read
[INFO] [stdout]    --> src/dns/mod.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct Question<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 145 |     domain_name: DomainName<'a>, // This is built from multiple strings
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 146 |     question_class: QuestionClass,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 147 |     question_type: QuestionType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Question` 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: variant `Labels` is never constructed
[INFO] [stdout]    --> src/dns/mod.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub enum DomainName<'a> {
[INFO] [stdout]     |          ---------- variant in this enum
[INFO] [stdout] 166 |     // Owned str references, ie an uncompressed domain name from the packet, and the basis for the other three types of domain labels
[INFO] [stdout] 167 |     Labels(Vec<&'a str>),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DomainName` 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: associated items `new`, `len`, `labels`, and `has_suitable_pointer` are never used
[INFO] [stdout]    --> src/dns/mod.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | impl<'a> DomainName<'a> {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout] 173 |     pub fn new(labels: Vec<&'a str>) -> DomainName<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub fn labels(&'a self) -> &'a [&'a str] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 |     pub fn has_suitable_pointer(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[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: associated items `new`, `add_label`, and `get` are never used
[INFO] [stdout]    --> src/dns/mod.rs:323:12
[INFO] [stdout]     |
[INFO] [stdout] 322 | impl<'a> PreviousNames<'a> {
[INFO] [stdout]     | -------------------------- associated items in this implementation
[INFO] [stdout] 323 |     pub fn new() -> PreviousNames<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 |     pub fn add_label(&mut self, domain_name: &'a DomainName<'a>, position: u16) -> () {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     pub fn get(&self, position: u16) -> Option<&DomainName> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields 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] 365 |     authority_count: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 366 |     additional_count: u16,
[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: variants `Address` and `CanonicalName` are never constructed
[INFO] [stdout]    --> src/dns/mod.rs:370:5
[INFO] [stdout]     |
[INFO] [stdout] 369 | pub enum ResourcePayload<'a> {
[INFO] [stdout]     |          --------------- variants in this enum
[INFO] [stdout] 370 |     Address(&'a [u8]),
[INFO] [stdout]     |     ^^^^^^^
[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: struct `DnsQueryBuilder` is never constructed
[INFO] [stdout]   --> src/dns/builders/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DnsQueryBuilder<'a> {
[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: variants `Pointer` and `LabelsThenPointer` are never constructed
[INFO] [stdout]   --> src/dns/builders/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum DomainNamePointer<'a> {
[INFO] [stdout]    |          ----------------- variants in this enum
[INFO] [stdout] 35 |     Pointer(usize),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 36 |     LabelsThenPointer(&'a [&'a str], usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DomainNamePointer` 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: field `offset` is never read
[INFO] [stdout]   --> src/dns/builders/mod.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct DomainNameBuilder<'a> {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     offset: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `labels`, and `position` are never used
[INFO] [stdout]   --> src/dns/builders/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<'a> DomainNameBuilder<'a> {
[INFO] [stdout]    | ------------------------------ associated items in this implementation
[INFO] [stdout] 46 |     pub fn new(original_name: &'a DomainName<'a>, position: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn labels(&self) -> &[(&'a str, usize)] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn position(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/dns/builders/mod.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl<'a> DnsQueryBuilder<'a> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 108 |     pub fn new() -> DnsQueryBuilder<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn write_id(&mut self, id: Option<u16>) -> Result<&mut Self, Error> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn recursion(&mut self, recursion_desired: bool) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn set_question_count(&mut self) -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn set_bit_position(&mut self, position: u8, bit_length: u8, bits_to_set: u16) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[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] 259 |     pub fn request_address(&mut self, domain_name: &'a str) -> Result<&mut Self, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub fn build_query(&mut self) -> Result<[u8; 512], Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |     fn write_labels(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/dns/header.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Header {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn new() -> Header {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/dns/packet.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl<'a> DnsPacket<'a> {
[INFO] [stdout]   | ---------------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn new(
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/dns/parser.rs:10:12
[INFO] [stdout]     |
[INFO] [stdout] 9   | impl DnsParser {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 10  |     pub fn new() -> DnsParser {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14  |     pub fn parse_packet<'a>(&mut self, packet_data: &'a [u8]) -> Result<DnsPacket<'a>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48  |     pub fn read_header(&mut self, packet_data: &[u8]) -> Result<Header, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn read_question<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn read_domain_name_pointer<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 |     pub fn read_domain_name<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     pub fn read_answer<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     pub fn get_bit_position(position: u8, bit_length: u8, source: &u16) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/raw.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl RawPacket {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 80 |     pub fn new() -> RawPacket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ExceededPacketSize`, `ReadPacketDataFailed`, `WritePacketDataFailed`, and `InvalidLabel` are never constructed
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum ErrorKind {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 3 |     ExceededPacketSize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     ReadPacketDataFailed,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     WritePacketDataFailed,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     InvalidLabel,
[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: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Error {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new(kind: ErrorKind) -> Error {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 67 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "df86c4034ee5917017921d90ae78aaec36221ce4afce9b0962a02be8d11c54b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df86c4034ee5917017921d90ae78aaec36221ce4afce9b0962a02be8d11c54b9", kill_on_drop: false }`
[INFO] [stdout] df86c4034ee5917017921d90ae78aaec36221ce4afce9b0962a02be8d11c54b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226abfc9ac6b6aefe069b528464c1ad0985dad1e496afa4cffacf080ebf22aec
[INFO] running `Command { std: "docker" "start" "-a" "226abfc9ac6b6aefe069b528464c1ad0985dad1e496afa4cffacf080ebf22aec", kill_on_drop: false }`
[INFO] [stderr]    Compiling pp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `sync::atomic`, `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`, `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`, `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`, `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`, `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: `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: 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: 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: struct `RawPacket` is never constructed
[INFO] [stdout]   --> src/dns/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RawPacket {
[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: methods `add_label` and `get` are never used
[INFO] [stdout]    --> src/dns/mod.rs:331:12
[INFO] [stdout]     |
[INFO] [stdout] 322 | impl<'a> PreviousNames<'a> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 331 |     pub fn add_label(&mut self, domain_name: &'a DomainName<'a>, position: u16) -> () {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     pub fn get(&self, position: u16) -> Option<&DomainName> {
[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: associated function `new` is never used
[INFO] [stdout]  --> src/dns/header.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Header {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn new() -> Header {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/raw.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl RawPacket {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 80 |     pub fn new() -> RawPacket {
[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: 59 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "226abfc9ac6b6aefe069b528464c1ad0985dad1e496afa4cffacf080ebf22aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226abfc9ac6b6aefe069b528464c1ad0985dad1e496afa4cffacf080ebf22aec", kill_on_drop: false }`
[INFO] [stdout] 226abfc9ac6b6aefe069b528464c1ad0985dad1e496afa4cffacf080ebf22aec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d2c164c3c140a35757b8b8bc248b3180aeb358233fcb80826076a8718ff5c5f
[INFO] running `Command { std: "docker" "start" "-a" "8d2c164c3c140a35757b8b8bc248b3180aeb358233fcb80826076a8718ff5c5f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `sync::atomic`, `write`
[INFO] [stderr]  --> src/dns/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     convert::TryFrom,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 7 |     fmt::{write, Display},
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 8 |     io::Cursor,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 9 |     sync::atomic,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NativeEndian`
[INFO] [stderr]  --> src/dns/builders/mod.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use byteorder::{NativeEndian, NetworkEndian, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DnsPacket`
[INFO] [stderr]  --> src/dns/builders/mod.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::{DnsPacket, DomainName, Question, QuestionClass, QuestionType};
[INFO] [stderr]   |             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/dns/header.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{Error, ErrorKind, Header, OperationCode, PacketType, ResponseCode};
[INFO] [stderr]   |             ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `NetworkEndian`, `ReadBytesExt`
[INFO] [stderr]  --> src/dns/header.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use byteorder::{NetworkEndian, ReadBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io::Cursor`
[INFO] [stderr]  --> src/dns/header.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{fmt::Display, io::Cursor};
[INFO] [stderr]   |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DnsPacket`, `ErrorKind`, `Error`, `Header`
[INFO] [stderr]  --> src/dns/raw.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{DnsPacket, Error, ErrorKind, Header, RawPacket};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `NetworkEndian`, `ReadBytesExt`, `WriteBytesExt`
[INFO] [stderr]  --> src/dns/raw.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use byteorder::{NetworkEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]  --> src/dns/raw.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]  --> src/dns/raw.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Cursor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/dns/mod.rs:301:10
[INFO] [stderr]     |
[INFO] [stderr] 301 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:120:23
[INFO] [stderr]     |
[INFO] [stderr] 120 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:124:27
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:129:31
[INFO] [stderr]     |
[INFO] [stderr] 129 |                     .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:150:23
[INFO] [stderr]     |
[INFO] [stderr] 150 |             .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `labels`
[INFO] [stderr]    --> src/dns/builders/mod.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let labels: Vec<&'a str> = domain_name.split('.').collect();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `question_type`
[INFO] [stderr]    --> src/dns/builders/mod.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |         question_type: QuestionType,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_question_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:305:35
[INFO] [stderr]     |
[INFO] [stderr] 305 |                         .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:349:27
[INFO] [stderr]     |
[INFO] [stderr] 349 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:354:27
[INFO] [stderr]     |
[INFO] [stderr] 354 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:370:27
[INFO] [stderr]     |
[INFO] [stderr] 370 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:373:27
[INFO] [stderr]     |
[INFO] [stderr] 373 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?;
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:380:27
[INFO] [stderr]     |
[INFO] [stderr] 380 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/builders/mod.rs:383:27
[INFO] [stderr]     |
[INFO] [stderr] 383 |                 .map_err(|err| Error::new(ErrorKind::WritePacketDataFailed))?,
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `authority_count`
[INFO] [stderr]   --> src/dns/parser.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let authority_count = header.authority_count;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authority_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]   --> src/dns/parser.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let z = Self::get_bit_position(9, 3, &bitmask);
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:79:23
[INFO] [stderr]    |
[INFO] [stderr] 79 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dns/parser.rs:92:23
[INFO] [stderr]    |
[INFO] [stderr] 92 |             .map_err(|err| return Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_position`
[INFO] [stderr]    --> src/dns/parser.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let current_position = self.position;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_position`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:139:23
[INFO] [stderr]     |
[INFO] [stderr] 139 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:145:23
[INFO] [stderr]     |
[INFO] [stderr] 145 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/dns/parser.rs:198:25
[INFO] [stderr]     |
[INFO] [stderr] 198 |                     Err(error) => return Err(Error::new(ErrorKind::InvalidLabel)),
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:177:31
[INFO] [stderr]     |
[INFO] [stderr] 177 |                     .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/dns/parser.rs:274:25
[INFO] [stderr]     |
[INFO] [stderr] 274 |                     Err(error) => return Err(Error::new(ErrorKind::InvalidLabel)),
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `domain_labels`
[INFO] [stderr]    --> src/dns/parser.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 |         domain_labels: &mut PreviousNames<'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain_labels`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:221:27
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:249:31
[INFO] [stderr]     |
[INFO] [stderr] 249 |                     .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:311:23
[INFO] [stderr]     |
[INFO] [stderr] 311 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:318:23
[INFO] [stderr]     |
[INFO] [stderr] 318 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:325:23
[INFO] [stderr]     |
[INFO] [stderr] 325 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/dns/parser.rs:331:23
[INFO] [stderr]     |
[INFO] [stderr] 331 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dns/mod.rs:489:13
[INFO] [stderr]     |
[INFO] [stderr] 489 |         let mut test_value = 0;
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `question`
[INFO] [stderr]    --> src/dns/mod.rs:526:17
[INFO] [stderr]     |
[INFO] [stderr] 526 |             let question = parser
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_question`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RawPacket` is never constructed
[INFO] [stderr]   --> src/dns/mod.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct RawPacket {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `previous_positions` is never read
[INFO] [stderr]    --> src/dns/mod.rs:318:5
[INFO] [stderr]     |
[INFO] [stderr] 316 | pub struct PreviousNames<'a> {
[INFO] [stderr]     |            ------------- field in this struct
[INFO] [stderr] 317 |     domain_names: HashMap<u16, &'a DomainName<'a>>,
[INFO] [stderr] 318 |     previous_positions: HashSet<u16>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add_label` and `get` are never used
[INFO] [stderr]    --> src/dns/mod.rs:331:12
[INFO] [stderr]     |
[INFO] [stderr] 322 | impl<'a> PreviousNames<'a> {
[INFO] [stderr]     | -------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 331 |     pub fn add_label(&mut self, domain_name: &'a DomainName<'a>, position: u16) -> () {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 335 |     pub fn get(&self, position: u16) -> Option<&DomainName> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id`, `operation_code`, `authorative`, `truncated`, `recursion_available`, and `response_code` are never read
[INFO] [stderr]    --> src/dns/mod.rs:354:5
[INFO] [stderr]     |
[INFO] [stderr] 353 | pub struct Header {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] 354 |     id: u16,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 355 |     packet_type: PacketType,
[INFO] [stderr] 356 |     operation_code: OperationCode,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 357 |     authorative: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 358 |     truncated: bool,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 359 |     recursion_desired: bool,
[INFO] [stderr] 360 |     recursion_available: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 361 |     // z was reserved by now used in sec dns
[INFO] [stderr] 362 |     response_code: ResponseCode,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CanonicalName` is never constructed
[INFO] [stderr]    --> src/dns/mod.rs:371:5
[INFO] [stderr]     |
[INFO] [stderr] 369 | pub enum ResourcePayload<'a> {
[INFO] [stderr]     |          --------------- variant in this enum
[INFO] [stderr] 370 |     Address(&'a [u8]),
[INFO] [stderr] 371 |     CanonicalName(&'a str),
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ResourcePayload` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `questions`, `answers`, `authority`, and `additional` are never read
[INFO] [stderr]    --> src/dns/mod.rs:392:5
[INFO] [stderr]     |
[INFO] [stderr] 390 | pub struct DnsPacket<'a> {
[INFO] [stderr]     |            --------- fields in this struct
[INFO] [stderr] 391 |     header: Header,
[INFO] [stderr] 392 |     questions: Vec<Question<'a>>,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 393 |     answers: Vec<Resource<'a>>,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 394 |     authority: Vec<Resource<'a>>,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 395 |     additional: Vec<Resource<'a>>,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `packet_end` is never read
[INFO] [stderr]   --> src/dns/builders/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct DnsQueryBuilder<'a> {
[INFO] [stderr]    |            --------------- field in this struct
[INFO] [stderr] 16 |     packet_data: [u8; 512],
[INFO] [stderr] 17 |     packet_end: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `QuestionBuilder` is never constructed
[INFO] [stderr]   --> src/dns/builders/mod.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct QuestionBuilder<'a> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `parse_domain_name` and `add_question` are never used
[INFO] [stderr]    --> src/dns/builders/mod.rs:208:8
[INFO] [stderr]     |
[INFO] [stderr] 107 | impl<'a> DnsQueryBuilder<'a> {
[INFO] [stderr]     | ---------------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 208 |     fn parse_domain_name(thingy: &'a str) -> DomainName<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 229 |     fn add_question(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/dns/header.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Header {
[INFO] [stderr]   | ----------- associated function in this implementation
[INFO] [stderr] 6 |     pub fn new() -> Header {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/dns/raw.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 79 | impl RawPacket {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 80 |     pub fn new() -> RawPacket {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ExceededPacketSize` is never constructed
[INFO] [stderr]  --> src/error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum ErrorKind {
[INFO] [stderr]   |          --------- variant in this enum
[INFO] [stderr] 3 |     ExceededPacketSize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ErrorKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `pp` (bin "pp" test) generated 59 warnings (run `cargo fix --bin "pp" --tests` to apply 46 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pp-a92ea62f5c0ca96f)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test dns::parser::tests::test_read_domain_name ... ok
[INFO] [stdout] test dns::parser::tests::test_read_pointer_domain_name ... ok
[INFO] [stdout] test dns::builders::test_builders::test_set_recursion_desired ... ok
[INFO] [stdout] test dns::builders::test_builders::test_set_bit_position ... ok
[INFO] [stdout] test dns::builders::test_builders::test_build_query_packet ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer_longer_previous ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer_same_size ... ok
[INFO] [stdout] test dns::tests::test_parse_packet ... ok
[INFO] [stdout] test dns::tests::test_read_answer ... ok
[INFO] [stdout] test dns::tests::test_read_header ... ok
[INFO] [stdout] test dns::tests::test_read_header2 ... ok
[INFO] [stdout] test dns::tests::test_read_question ... ok
[INFO] [stdout] test dns::tests::test_read_question2 ... ok
[INFO] [stdout] test dns::tests::test_get_bit_position ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- dns::tests::test_get_bit_position stdout ----
[INFO] [stdout] thread 'dns::tests::test_get_bit_position' panicked at src/dns/mod.rs:492:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 0
[INFO] [stdout]  right: 49152
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x561c0c7fdf36 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x561c0c7fdf36 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x561c0c7fdf36 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x561c0c7fdf36 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x561c0c826bb0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x561c0c826bb0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x561c0c7fb78f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x561c0c7fdd14 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x561c0c7fdd14 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x561c0c7ffa87 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x561c0c7ff76d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x561c0c7ceea7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x561c0c7ceea7 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x561c0c8000a6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x561c0c8000a6 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x561c0c7ffdf2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x561c0c7fe436 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x561c0c7ffb44 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x561c0c770775 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x561c0c770beb - core::panicking::assert_failed_inner::h2c4dd574e44796db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x561c0c7945ee - core::panicking::assert_failed::h3110893de644ebce
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x561c0c78feb5 - pp::dns::tests::test_get_bit_position::h1c09e148f358e21f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dns/mod.rs:492:9
[INFO] [stdout]   22:     0x561c0c78fe17 - pp::dns::tests::test_get_bit_position::{{closure}}::ha25c3e79d7a3de5c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dns/mod.rs:488:31
[INFO] [stdout]   23:     0x561c0c792256 - core::ops::function::FnOnce::call_once::h69e04101bdfcd7a7
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x561c0c7d4a9f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x561c0c7d4a9f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x561c0c7d38c1 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x561c0c7d38c1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x561c0c7d38c1 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x561c0c7d38c1 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x561c0c7d38c1 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x561c0c7d38c1 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x561c0c7d38c1 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x561c0c79ad26 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x561c0c79ad26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x561c0c79fce7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x561c0c79fce7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x561c0c79fce7 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x561c0c79fce7 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x561c0c79fce7 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x561c0c79fce7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x561c0c79fce7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x561c0c804445 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x561c0c804445 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x561c0c804445 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7ff5946d1ac3 - <unknown>
[INFO] [stdout]   46:     0x7ff594762bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     dns::tests::test_get_bit_position
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 14 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin pp`
[INFO] running `Command { std: "docker" "inspect" "8d2c164c3c140a35757b8b8bc248b3180aeb358233fcb80826076a8718ff5c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2c164c3c140a35757b8b8bc248b3180aeb358233fcb80826076a8718ff5c5f", kill_on_drop: false }`
[INFO] [stdout] 8d2c164c3c140a35757b8b8bc248b3180aeb358233fcb80826076a8718ff5c5f
