[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 master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galacticfungus/ProgrammableProxy on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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-6-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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bbf0ff85bdd22c08d18a27b239127a410e65d67a7fc6d83c5534f303a5ccac6
[INFO] running `Command { std: "docker" "start" "-a" "2bbf0ff85bdd22c08d18a27b239127a410e65d67a7fc6d83c5534f303a5ccac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bbf0ff85bdd22c08d18a27b239127a410e65d67a7fc6d83c5534f303a5ccac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bbf0ff85bdd22c08d18a27b239127a410e65d67a7fc6d83c5534f303a5ccac6", kill_on_drop: false }`
[INFO] [stdout] 2bbf0ff85bdd22c08d18a27b239127a410e65d67a7fc6d83c5534f303a5ccac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5908feee2ee0bcaa17d897e8973d4a18cab30134486664772a425b2ba4163dea
[INFO] running `Command { std: "docker" "start" "-a" "5908feee2ee0bcaa17d897e8973d4a18cab30134486664772a425b2ba4163dea", 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` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "5908feee2ee0bcaa17d897e8973d4a18cab30134486664772a425b2ba4163dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5908feee2ee0bcaa17d897e8973d4a18cab30134486664772a425b2ba4163dea", kill_on_drop: false }`
[INFO] [stdout] 5908feee2ee0bcaa17d897e8973d4a18cab30134486664772a425b2ba4163dea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da8171dbfcf2384bae7b607a3cc56bca658d42b3f4b4076dc73b2f510d06ae6d
[INFO] running `Command { std: "docker" "start" "-a" "da8171dbfcf2384bae7b607a3cc56bca658d42b3f4b4076dc73b2f510d06ae6d", 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` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "da8171dbfcf2384bae7b607a3cc56bca658d42b3f4b4076dc73b2f510d06ae6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8171dbfcf2384bae7b607a3cc56bca658d42b3f4b4076dc73b2f510d06ae6d", kill_on_drop: false }`
[INFO] [stdout] da8171dbfcf2384bae7b607a3cc56bca658d42b3f4b4076dc73b2f510d06ae6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d6c34b614226fa24875caf2a0d7a1d5193edb3adeabe405e55be384bc692282
[INFO] running `Command { std: "docker" "start" "-a" "9d6c34b614226fa24875caf2a0d7a1d5193edb3adeabe405e55be384bc692282", 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] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 15 tests
[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 11 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pp-e5d4bdcc5271fbd2)
[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::builders::test_builders::test_set_recursion_desired ... ok
[INFO] [stdout] test dns::parser::tests::test_read_domain_name ... 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::parser::tests::test_read_pointer_domain_name ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer_longer_previous ... ok
[INFO] [stdout] test dns::tests::test_read_header2 ... ok
[INFO] [stdout] test dns::tests::test_read_answer ... ok
[INFO] [stdout] test dns::tests::test_read_question ... ok
[INFO] [stdout] test dns::tests::test_read_header ... ok
[INFO] [stdout] test dns::tests::test_read_question2 ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin pp`
[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:     0x55ce5dfaf635 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55ce5dfaf635 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ce5dfaf635 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55ce5dfaf635 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55ce5dfd5e8b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55ce5dfd5e8b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55ce5dface6f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55ce5dfaf40e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55ce5dfaf40e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55ce5dfb0e39 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55ce5dfb0afe - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55ce5df8159a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55ce5df8159a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55ce5dfb143b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55ce5dfb143b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55ce5dfb11b4 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55ce5dfafaf9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55ce5dfb0ee7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55ce5df24843 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55ce5df24c6e - core::panicking::assert_failed_inner::h01c8f7f0c1caba58
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:408:17
[INFO] [stdout]   20:     0x55ce5df419ce - core::panicking::assert_failed::h11bd4aba59af507c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:363:5
[INFO] [stdout]   21:     0x55ce5df4c07f - pp::dns::tests::test_get_bit_position::h1d4d87acd296c46b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dns/mod.rs:492:9
[INFO] [stdout]   22:     0x55ce5df4bff7 - pp::dns::tests::test_get_bit_position::{{closure}}::hcc798d0e0006b353
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dns/mod.rs:488:31
[INFO] [stdout]   23:     0x55ce5df40206 - core::ops::function::FnOnce::call_once::h15c7932936850c3a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55ce5df85f7b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55ce5df85f7b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x55ce5df85681 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x55ce5df85681 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55ce5df85681 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x55ce5df85681 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x55ce5df85681 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x55ce5df85681 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x55ce5df85681 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x55ce5df4e044 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x55ce5df4e044 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55ce5df52a72 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x55ce5df52a72 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55ce5df52a72 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x55ce5df52a72 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x55ce5df52a72 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x55ce5df52a72 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x55ce5df52a72 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55ce5dfb562b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x55ce5dfb562b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x55ce5dfb562b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f8f2e90cac3 - <unknown>
[INFO] [stdout]   46:     0x7f8f2e99da04 - __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 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d6c34b614226fa24875caf2a0d7a1d5193edb3adeabe405e55be384bc692282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6c34b614226fa24875caf2a0d7a1d5193edb3adeabe405e55be384bc692282", kill_on_drop: false }`
[INFO] [stdout] 9d6c34b614226fa24875caf2a0d7a1d5193edb3adeabe405e55be384bc692282
[INFO] testing galacticfungus/ProgrammableProxy against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galacticfungus/ProgrammableProxy on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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-6-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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 970c362257ad5788d6d4c9f48f25fd92c706ab2e88e9a5b0c5be6527dac96fb6
[INFO] running `Command { std: "docker" "start" "-a" "970c362257ad5788d6d4c9f48f25fd92c706ab2e88e9a5b0c5be6527dac96fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "970c362257ad5788d6d4c9f48f25fd92c706ab2e88e9a5b0c5be6527dac96fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970c362257ad5788d6d4c9f48f25fd92c706ab2e88e9a5b0c5be6527dac96fb6", kill_on_drop: false }`
[INFO] [stdout] 970c362257ad5788d6d4c9f48f25fd92c706ab2e88e9a5b0c5be6527dac96fb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 766aa62f5c25574d7786daaaaefe7e24673ff6c73a0bc9197e55ab5fd7835ab2
[INFO] running `Command { std: "docker" "start" "-a" "766aa62f5c25574d7786daaaaefe7e24673ff6c73a0bc9197e55ab5fd7835ab2", 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` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "766aa62f5c25574d7786daaaaefe7e24673ff6c73a0bc9197e55ab5fd7835ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766aa62f5c25574d7786daaaaefe7e24673ff6c73a0bc9197e55ab5fd7835ab2", kill_on_drop: false }`
[INFO] [stdout] 766aa62f5c25574d7786daaaaefe7e24673ff6c73a0bc9197e55ab5fd7835ab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f7681ca0e3415b1b4b5590950a9568f8b8a689b6fdadb438602d2330b262ace
[INFO] running `Command { std: "docker" "start" "-a" "6f7681ca0e3415b1b4b5590950a9568f8b8a689b6fdadb438602d2330b262ace", 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` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "6f7681ca0e3415b1b4b5590950a9568f8b8a689b6fdadb438602d2330b262ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7681ca0e3415b1b4b5590950a9568f8b8a689b6fdadb438602d2330b262ace", kill_on_drop: false }`
[INFO] [stdout] 6f7681ca0e3415b1b4b5590950a9568f8b8a689b6fdadb438602d2330b262ace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fce06297b49a4937b6d7504524aab7b84d3ce7f8873552834d72778446cf55b0
[INFO] running `Command { std: "docker" "start" "-a" "fce06297b49a4937b6d7504524aab7b84d3ce7f8873552834d72778446cf55b0", 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 11 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pp-e5d4bdcc5271fbd2)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test dns::builders::test_builders::test_build_query_packet ... ok
[INFO] [stdout] test dns::parser::tests::test_read_pointer_domain_name ... ok
[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::tests::test_has_suitable_pointer_same_size ... 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::parser::tests::test_read_domain_name ... ok
[INFO] [stdout] test dns::tests::test_parse_packet ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer ... ok
[INFO] [stdout] test dns::tests::test_read_answer ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer_longer_previous ... 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:     0x5606bcb256d5 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5606bcb256d5 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5606bcb256d5 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5606bcb256d5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5606bcb4becb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5606bcb4becb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5606bcb22fbf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5606bcb254ae - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5606bcb254ae - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5606bcb26e19 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x5606bcb26b6c - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5606bcaf766f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5606bcaf766f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5606bcb2741b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5606bcb2741b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5606bcb27194 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5606bcb25b99 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5606bcb26ec7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5606bca9a823 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5606bca9ac4e - core::panicking::assert_failed_inner::h5c44db15a6ee70ee
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:408:17
[INFO] [stdout]   20:     0x5606bcabb36e - core::panicking::assert_failed::h712ca382e957e089
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:363:5
[INFO] [stdout]   21:     0x5606bcac205f - pp::dns::tests::test_get_bit_position::h20327241512b1a92
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dns/mod.rs:492:9
[INFO] [stdout]   22:     0x5606bcac1fd7 - pp::dns::tests::test_get_bit_position::{{closure}}::h7c51e029f4e6c511
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dns/mod.rs:488:31
[INFO] [stdout]   23:     0x5606bcab3d06 - core::ops::function::FnOnce::call_once::h92ffb46487ce3dd7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5606bcafbf8b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5606bcafbf8b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x5606bcafb651 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x5606bcafb651 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5606bcafb651 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x5606bcafb651 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x5606bcafb651 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x5606bcafb651 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x5606bcafb651 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x5606bcac4024 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x5606bcac4024 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5606bcac8af2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x5606bcac8af2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5606bcac8af2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x5606bcac8af2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x5606bcac8af2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x5606bcac8af2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x5606bcac8af2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5606bcb2b5fb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x5606bcb2b5fb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x5606bcb2b5fb - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fdce85adac3 - <unknown>
[INFO] [stdout]   46:     0x7fdce863ea04 - __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 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin pp`
[INFO] running `Command { std: "docker" "inspect" "fce06297b49a4937b6d7504524aab7b84d3ce7f8873552834d72778446cf55b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce06297b49a4937b6d7504524aab7b84d3ce7f8873552834d72778446cf55b0", kill_on_drop: false }`
[INFO] [stdout] fce06297b49a4937b6d7504524aab7b84d3ce7f8873552834d72778446cf55b0
