[INFO] cloning repository https://github.com/galacticfungus/ProgrammableProxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/galacticfungus/ProgrammableProxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01513b982a8d691f9e964241ebeac9910498fc46
[INFO] testing galacticfungus/ProgrammableProxy against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalacticfungus%2FProgrammableProxy" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galacticfungus/ProgrammableProxy on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/galacticfungus/ProgrammableProxy
[INFO] finished tweaking git repo https://github.com/galacticfungus/ProgrammableProxy
[INFO] tweaked toml for git repo https://github.com/galacticfungus/ProgrammableProxy written to /workspace/builds/worker-7/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: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f0ae45097ac0ddd4e0a1dad17054a06fe7dbe7fffa40d4edca2a0f2adff61ae5
[INFO] running `Command { std: "docker" "start" "-a" "f0ae45097ac0ddd4e0a1dad17054a06fe7dbe7fffa40d4edca2a0f2adff61ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ae45097ac0ddd4e0a1dad17054a06fe7dbe7fffa40d4edca2a0f2adff61ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ae45097ac0ddd4e0a1dad17054a06fe7dbe7fffa40d4edca2a0f2adff61ae5", kill_on_drop: false }`
[INFO] [stdout] f0ae45097ac0ddd4e0a1dad17054a06fe7dbe7fffa40d4edca2a0f2adff61ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 086e9177f063aa4e331b37e80281de3f061eb71413c17538819d73ed2d8b9ab7
[INFO] running `Command { std: "docker" "start" "-a" "086e9177f063aa4e331b37e80281de3f061eb71413c17538819d73ed2d8b9ab7", 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: `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: `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: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: `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: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: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: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: `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: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 is never constructed: `DnsQueryBuilder`
[INFO] [stdout]   --> src/dns/builders/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DnsQueryBuilder<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `QuestionBuilder`
[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: variant is never constructed: `Pointer`
[INFO] [stdout]   --> src/dns/builders/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Pointer(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LabelsThenPointer`
[INFO] [stdout]   --> src/dns/builders/mod.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     LabelsThenPointer(&'a [&'a str], usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `offset`
[INFO] [stdout]   --> src/dns/builders/mod.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dns/builders/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn new(original_name: &'a DomainName<'a>, position: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `labels`
[INFO] [stdout]   --> src/dns/builders/mod.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn labels(&self) -> &[(&'a str, usize)] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `position`
[INFO] [stdout]   --> src/dns/builders/mod.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn position(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/dns/builders/mod.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn new() -> DnsQueryBuilder<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_id`
[INFO] [stdout]    --> src/dns/builders/mod.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn write_id(&mut self, id: Option<u16>) -> Result<&mut Self, Error> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recursion`
[INFO] [stdout]    --> src/dns/builders/mod.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn recursion(&mut self, recursion_desired: bool) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_question_count`
[INFO] [stdout]    --> src/dns/builders/mod.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn set_question_count(&mut self) -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bit_position`
[INFO] [stdout]    --> src/dns/builders/mod.rs:157:12
[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] 
[INFO] [stdout] warning: associated function is never used: `parse_domain_name`
[INFO] [stdout]    --> src/dns/builders/mod.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn parse_domain_name(thingy: &'a str) -> DomainName<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_question`
[INFO] [stdout]    --> src/dns/builders/mod.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn add_question(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `request_address`
[INFO] [stdout]    --> src/dns/builders/mod.rs:259:12
[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] 
[INFO] [stdout] warning: associated function is never used: `build_query`
[INFO] [stdout]    --> src/dns/builders/mod.rs:270:12
[INFO] [stdout]     |
[INFO] [stdout] 270 |     pub fn build_query(&mut self) -> Result<[u8; 512], Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_labels`
[INFO] [stdout]    --> src/dns/builders/mod.rs:360:8
[INFO] [stdout]     |
[INFO] [stdout] 360 |     fn write_labels(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/dns/header.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new() -> Header {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/dns/packet.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dns/parser.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> DnsParser {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_packet`
[INFO] [stdout]   --> src/dns/parser.rs:14:12
[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] 
[INFO] [stdout] warning: associated function is never used: `read_header`
[INFO] [stdout]   --> src/dns/parser.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn read_header(&mut self, packet_data: &[u8]) -> Result<Header, Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_question`
[INFO] [stdout]    --> src/dns/parser.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn read_question<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_domain_name_pointer`
[INFO] [stdout]    --> src/dns/parser.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn read_domain_name_pointer<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_domain_name`
[INFO] [stdout]    --> src/dns/parser.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn read_domain_name<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_answer`
[INFO] [stdout]    --> src/dns/parser.rs:296:12
[INFO] [stdout]     |
[INFO] [stdout] 296 |     pub fn read_answer<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_bit_position`
[INFO] [stdout]    --> src/dns/parser.rs:356:12
[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 is never used: `new`
[INFO] [stdout]   --> src/dns/raw.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new() -> RawPacket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RawPacket`
[INFO] [stdout]   --> src/dns/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RawPacket {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DnsParser`
[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: variant is never constructed: `Labels`
[INFO] [stdout]    --> src/dns/mod.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     Labels(Vec<&'a str>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/dns/mod.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn new(labels: Vec<&'a str>) -> DomainName<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/dns/mod.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `labels`
[INFO] [stdout]    --> src/dns/mod.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn labels(&'a self) -> &'a [&'a str] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_suitable_pointer`
[INFO] [stdout]    --> src/dns/mod.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn has_suitable_pointer(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `previous_positions`
[INFO] [stdout]    --> src/dns/mod.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 318 |     previous_positions: HashSet<u16>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/dns/mod.rs:323:12
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub fn new() -> PreviousNames<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_label`
[INFO] [stdout]    --> src/dns/mod.rs:331:12
[INFO] [stdout]     |
[INFO] [stdout] 331 |     pub fn add_label(&mut self, domain_name: &'a DomainName<'a>, position: u16) -> () {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/dns/mod.rs:335:12
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn get(&self, position: u16) -> Option<&DomainName> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Address`
[INFO] [stdout]    --> src/dns/mod.rs:370:5
[INFO] [stdout]     |
[INFO] [stdout] 370 |     Address(&'a [u8]),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CanonicalName`
[INFO] [stdout]    --> src/dns/mod.rs:371:5
[INFO] [stdout]     |
[INFO] [stdout] 371 |     CanonicalName(&'a str),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `questions`
[INFO] [stdout]    --> src/dns/mod.rs:392:5
[INFO] [stdout]     |
[INFO] [stdout] 392 |     questions: Vec<Question<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `answers`
[INFO] [stdout]    --> src/dns/mod.rs:393:5
[INFO] [stdout]     |
[INFO] [stdout] 393 |     answers: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `authority`
[INFO] [stdout]    --> src/dns/mod.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |     authority: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `additional`
[INFO] [stdout]    --> src/dns/mod.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     additional: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExceededPacketSize`
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ExceededPacketSize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReadPacketDataFailed`
[INFO] [stdout]  --> src/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ReadPacketDataFailed,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WritePacketDataFailed`
[INFO] [stdout]  --> src/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     WritePacketDataFailed,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidLabel`
[INFO] [stdout]  --> src/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     InvalidLabel,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/error.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(kind: ErrorKind) -> Error {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 96 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "086e9177f063aa4e331b37e80281de3f061eb71413c17538819d73ed2d8b9ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086e9177f063aa4e331b37e80281de3f061eb71413c17538819d73ed2d8b9ab7", kill_on_drop: false }`
[INFO] [stdout] 086e9177f063aa4e331b37e80281de3f061eb71413c17538819d73ed2d8b9ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1528d6b4a865a9e483ccaed66c4fd720e22eceb5c832f877170c79f929d1768
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1528d6b4a865a9e483ccaed66c4fd720e22eceb5c832f877170c79f929d1768", 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: `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: `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: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: `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: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: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: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: `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:311:23
[INFO] [stdout]     |
[INFO] [stdout] 311 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:318:23
[INFO] [stdout]     |
[INFO] [stdout] 318 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:325:23
[INFO] [stdout]     |
[INFO] [stdout] 325 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/dns/parser.rs:331:23
[INFO] [stdout]     |
[INFO] [stdout] 331 |             .map_err(|err| Error::new(ErrorKind::ReadPacketDataFailed))?;
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `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: 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: field is never read: `packet_end`
[INFO] [stdout]   --> src/dns/builders/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     packet_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `QuestionBuilder`
[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 function is never used: `parse_domain_name`
[INFO] [stdout]    --> src/dns/builders/mod.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn parse_domain_name(thingy: &'a str) -> DomainName<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_question`
[INFO] [stdout]    --> src/dns/builders/mod.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn add_question(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/dns/header.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new() -> Header {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dns/raw.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new() -> RawPacket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RawPacket`
[INFO] [stdout]   --> src/dns/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RawPacket {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `previous_positions`
[INFO] [stdout]    --> src/dns/mod.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 318 |     previous_positions: HashSet<u16>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_label`
[INFO] [stdout]    --> src/dns/mod.rs:331:12
[INFO] [stdout]     |
[INFO] [stdout] 331 |     pub fn add_label(&mut self, domain_name: &'a DomainName<'a>, position: u16) -> () {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/dns/mod.rs:335:12
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn get(&self, position: u16) -> Option<&DomainName> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CanonicalName`
[INFO] [stdout]    --> src/dns/mod.rs:371:5
[INFO] [stdout]     |
[INFO] [stdout] 371 |     CanonicalName(&'a str),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `questions`
[INFO] [stdout]    --> src/dns/mod.rs:392:5
[INFO] [stdout]     |
[INFO] [stdout] 392 |     questions: Vec<Question<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `answers`
[INFO] [stdout]    --> src/dns/mod.rs:393:5
[INFO] [stdout]     |
[INFO] [stdout] 393 |     answers: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `authority`
[INFO] [stdout]    --> src/dns/mod.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |     authority: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `additional`
[INFO] [stdout]    --> src/dns/mod.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     additional: Vec<Resource<'a>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExceededPacketSize`
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ExceededPacketSize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 63 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "c1528d6b4a865a9e483ccaed66c4fd720e22eceb5c832f877170c79f929d1768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1528d6b4a865a9e483ccaed66c4fd720e22eceb5c832f877170c79f929d1768", kill_on_drop: false }`
[INFO] [stdout] c1528d6b4a865a9e483ccaed66c4fd720e22eceb5c832f877170c79f929d1768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6abdd2ad9ad58f17d961343fbc1c149a20f8be244c20157b69133cc274d70eea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6abdd2ad9ad58f17d961343fbc1c149a20f8be244c20157b69133cc274d70eea", 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: `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: `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: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: `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: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: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: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: `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: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: 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: 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: field is never read: `packet_end`
[INFO] [stderr]   --> src/dns/builders/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     packet_end: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `QuestionBuilder`
[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 function is never used: `parse_domain_name`
[INFO] [stderr]    --> src/dns/builders/mod.rs:208:8
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn parse_domain_name(thingy: &'a str) -> DomainName<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_question`
[INFO] [stderr]    --> src/dns/builders/mod.rs:229:8
[INFO] [stderr]     |
[INFO] [stderr] 229 |     fn add_question(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/dns/header.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn new() -> Header {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/dns/raw.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn new() -> RawPacket {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RawPacket`
[INFO] [stderr]   --> src/dns/mod.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct RawPacket {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `previous_positions`
[INFO] [stderr]    --> src/dns/mod.rs:318:5
[INFO] [stderr]     |
[INFO] [stderr] 318 |     previous_positions: HashSet<u16>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_label`
[INFO] [stderr]    --> src/dns/mod.rs:331:12
[INFO] [stderr]     |
[INFO] [stderr] 331 |     pub fn add_label(&mut self, domain_name: &'a DomainName<'a>, position: u16) -> () {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]    --> src/dns/mod.rs:335:12
[INFO] [stderr]     |
[INFO] [stderr] 335 |     pub fn get(&self, position: u16) -> Option<&DomainName> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CanonicalName`
[INFO] [stderr]    --> src/dns/mod.rs:371:5
[INFO] [stderr]     |
[INFO] [stderr] 371 |     CanonicalName(&'a str),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `questions`
[INFO] [stderr]    --> src/dns/mod.rs:392:5
[INFO] [stderr]     |
[INFO] [stderr] 392 |     questions: Vec<Question<'a>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `answers`
[INFO] [stderr]    --> src/dns/mod.rs:393:5
[INFO] [stderr]     |
[INFO] [stderr] 393 |     answers: Vec<Resource<'a>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `authority`
[INFO] [stderr]    --> src/dns/mod.rs:394:5
[INFO] [stderr]     |
[INFO] [stderr] 394 |     authority: Vec<Resource<'a>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `additional`
[INFO] [stderr]    --> src/dns/mod.rs:395:5
[INFO] [stderr]     |
[INFO] [stderr] 395 |     additional: Vec<Resource<'a>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ExceededPacketSize`
[INFO] [stderr]  --> src/error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     ExceededPacketSize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 63 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pp-f4f901d63c6ab958)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test dns::builders::test_builders::test_set_bit_position ... ok
[INFO] [stdout] test dns::parser::tests::test_read_pointer_domain_name ... ok
[INFO] [stdout] test dns::builders::test_builders::test_build_query_packet ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer_same_size ... ok
[INFO] [stdout] test dns::tests::test_has_suitable_pointer_longer_previous ... 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 ... ok
[INFO] [stdout] test dns::tests::test_parse_packet ... ok
[INFO] [stdout] test dns::tests::test_read_answer ... ok
[INFO] [stdout] test dns::tests::test_read_header ... ok
[INFO] [stdout] test dns::tests::test_read_header2 ... ok
[INFO] [stdout] test dns::tests::test_read_question2 ... ok
[INFO] [stdout] test dns::tests::test_read_question ... 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 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `0`,
[INFO] [stdout]  right: `49152`', src/dns/mod.rs:492:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55cdc44f60d0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55cdc44f60d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55cdc44f60d0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55cdc44f60d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55cdc45188cc - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x55cdc44f2ff5 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x55cdc44f823b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55cdc44f823b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55cdc44f823b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55cdc44f7d4c - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55cdc44f8904 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55cdc44f83e7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55cdc44f65cc - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55cdc44f8349 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55cdc44706d1 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55cdc45171e8 - core::panicking::assert_failed_inner::h33b45280069a80ed
[INFO] [stdout]   16:     0x55cdc448842a - core::panicking::assert_failed::h64e5e7b8f298ce27
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55cdc44a2824 - pp::dns::tests::test_get_bit_position::hfd8f72b554e25f26
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dns/mod.rs:492:9
[INFO] [stdout]   18:     0x55cdc44a276a - pp::dns::tests::test_get_bit_position::{{closure}}::hec3f74445f8298bc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dns/mod.rs:488:5
[INFO] [stdout]   19:     0x55cdc449317e - core::ops::function::FnOnce::call_once::h6c4c560cf9e8518e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55cdc44cc193 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55cdc44cc193 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x55cdc44cac50 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x55cdc44cac50 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55cdc44cac50 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55cdc44cac50 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55cdc44cac50 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55cdc44cac50 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x55cdc44cac50 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x55cdc44a4302 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x55cdc44a4302 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55cdc44a7eb8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x55cdc44a7eb8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55cdc44a7eb8 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55cdc44a7eb8 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55cdc44a7eb8 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55cdc44a7eb8 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x55cdc44a7eb8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55cdc44fd3c7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x55cdc44fd3c7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x55cdc44fd3c7 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f586f463609 - start_thread
[INFO] [stdout]   42:     0x7f586f235293 - clone
[INFO] [stdout]   43:                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" "6abdd2ad9ad58f17d961343fbc1c149a20f8be244c20157b69133cc274d70eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abdd2ad9ad58f17d961343fbc1c149a20f8be244c20157b69133cc274d70eea", kill_on_drop: false }`
[INFO] [stdout] 6abdd2ad9ad58f17d961343fbc1c149a20f8be244c20157b69133cc274d70eea
