[INFO] cloning repository https://github.com/0SlowPoke0/Poke-DNS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0SlowPoke0/Poke-DNS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0SlowPoke0%2FPoke-DNS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0SlowPoke0%2FPoke-DNS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef9a17508e4305cfd6308e3ca3442b470cc1221d
[INFO] testing 0SlowPoke0/Poke-DNS against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0SlowPoke0%2FPoke-DNS" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0SlowPoke0/Poke-DNS
[INFO] finished tweaking git repo https://github.com/0SlowPoke0/Poke-DNS
[INFO] tweaked toml for git repo https://github.com/0SlowPoke0/Poke-DNS written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0SlowPoke0/Poke-DNS on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0SlowPoke0/Poke-DNS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v8.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d72e35317335809361fd7e20d3a68aa08bc60c0c6b30303e505aac75f26abc7
[INFO] running `Command { std: "docker" "start" "-a" "7d72e35317335809361fd7e20d3a68aa08bc60c0c6b30303e505aac75f26abc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d72e35317335809361fd7e20d3a68aa08bc60c0c6b30303e505aac75f26abc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d72e35317335809361fd7e20d3a68aa08bc60c0c6b30303e505aac75f26abc7", kill_on_drop: false }`
[INFO] [stdout] 7d72e35317335809361fd7e20d3a68aa08bc60c0c6b30303e505aac75f26abc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dedcf32ff92d2875f59721f47bb55e42464e2df9bdaef757e4065476d61f6383
[INFO] running `Command { std: "docker" "start" "-a" "dedcf32ff92d2875f59721f47bb55e42464e2df9bdaef757e4065476d61f6383", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling clap_builder v4.5.49
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling clap v4.5.49
[INFO] [stderr]    Compiling codecrafters-dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `collections::HashSet` and `io::Read`
[INFO] [stdout]  --> src/misc.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, io::Read};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bits` and `combinator::map`
[INFO] [stdout]  --> src/misc.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     bits::{bits, complete::take},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 5 |     combinator::map,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qr`
[INFO] [stdout]   --> src/misc.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let (i, qr) = take_bit((i, 0)).unwrap();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_qr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aa`
[INFO] [stdout]   --> src/misc.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let (i, aa) = take_bit(i).unwrap();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tc`
[INFO] [stdout]   --> src/misc.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (i, tc) = take_bit(i).unwrap();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_tc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ra`
[INFO] [stdout]   --> src/misc.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (i, ra) = take_bit(i).unwrap();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_ra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/misc.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let (i, z) = take_3_bits(i).unwrap();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/misc.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let (i, rcode) = take_nibble(i).unwrap();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rcode`
[INFO] [stdout]   --> src/misc.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let (i, rcode) = take_nibble(i).unwrap();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_rcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/misc.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let (i, count) = parse_qdcount(input).unwrap();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `question_count`
[INFO] [stdout]    --> src/misc.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let question_count = get_question_count(input);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_question_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Answer` is never constructed
[INFO] [stdout]  --> src/answer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Answer {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/answer.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Answer {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_name(mut self, name: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn set_question_type(mut self, question_type: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn set_class(mut self, class: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn set_ttl(mut self, ttl: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn set_data(mut self, data: [u8; 4]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn answer_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn from_input(&self, input: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn from_given_encoding_bytes(&self, input: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_14_bits` is never used
[INFO] [stdout]   --> src/misc.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn take_14_bits(i: BitInput) -> IResult<BitInput, u16> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_2_bits` is never used
[INFO] [stdout]   --> src/misc.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn take_2_bits(i: BitInput) -> IResult<BitInput, u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question_parser` is never used
[INFO] [stdout]   --> src/misc.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn question_parser(input: &[u8]) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compressed_question_parser` is never used
[INFO] [stdout]    --> src/misc.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn compressed_question_parser(input: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/question.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Question {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 5 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Question` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_name`, `question_section_bytes`, and `from_input` are never used
[INFO] [stdout]   --> src/question.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Question {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn set_name(mut self, name: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn question_section_bytes(self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn from_input(&self, input: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_encoded_string` is never used
[INFO] [stdout]   --> src/question.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn get_encoded_string(domain_name: &str) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.54s
[INFO] running `Command { std: "docker" "inspect" "dedcf32ff92d2875f59721f47bb55e42464e2df9bdaef757e4065476d61f6383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedcf32ff92d2875f59721f47bb55e42464e2df9bdaef757e4065476d61f6383", kill_on_drop: false }`
[INFO] [stdout] dedcf32ff92d2875f59721f47bb55e42464e2df9bdaef757e4065476d61f6383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9adf9fd68932dbdea0b6c366fa87452fd71515f2cc47d2cfd964cbba34d196af
[INFO] running `Command { std: "docker" "start" "-a" "9adf9fd68932dbdea0b6c366fa87452fd71515f2cc47d2cfd964cbba34d196af", kill_on_drop: false }`
[INFO] [stderr]    Compiling codecrafters-dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `collections::HashSet` and `io::Read`
[INFO] [stdout]  --> src/misc.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, io::Read};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bits` and `combinator::map`
[INFO] [stdout]  --> src/misc.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     bits::{bits, complete::take},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 5 |     combinator::map,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qr`
[INFO] [stdout]   --> src/misc.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let (i, qr) = take_bit((i, 0)).unwrap();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_qr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aa`
[INFO] [stdout]   --> src/misc.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let (i, aa) = take_bit(i).unwrap();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tc`
[INFO] [stdout]   --> src/misc.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (i, tc) = take_bit(i).unwrap();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_tc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ra`
[INFO] [stdout]   --> src/misc.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (i, ra) = take_bit(i).unwrap();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_ra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/misc.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let (i, z) = take_3_bits(i).unwrap();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/misc.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let (i, rcode) = take_nibble(i).unwrap();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rcode`
[INFO] [stdout]   --> src/misc.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let (i, rcode) = take_nibble(i).unwrap();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_rcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/misc.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let (i, count) = parse_qdcount(input).unwrap();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `question_count`
[INFO] [stdout]    --> src/misc.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let question_count = get_question_count(input);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_question_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Answer` is never constructed
[INFO] [stdout]  --> src/answer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Answer {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/answer.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Answer {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn set_name(mut self, name: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn set_question_type(mut self, question_type: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn set_class(mut self, class: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn set_ttl(mut self, ttl: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn set_data(mut self, data: [u8; 4]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn answer_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn from_input(&self, input: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn from_given_encoding_bytes(&self, input: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_14_bits` is never used
[INFO] [stdout]   --> src/misc.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn take_14_bits(i: BitInput) -> IResult<BitInput, u16> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_2_bits` is never used
[INFO] [stdout]   --> src/misc.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn take_2_bits(i: BitInput) -> IResult<BitInput, u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question_parser` is never used
[INFO] [stdout]   --> src/misc.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn question_parser(input: &[u8]) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compressed_question_parser` is never used
[INFO] [stdout]    --> src/misc.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn compressed_question_parser(input: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/question.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Question {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 5 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Question` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_name`, `question_section_bytes`, and `from_input` are never used
[INFO] [stdout]   --> src/question.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Question {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn set_name(mut self, name: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn question_section_bytes(self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn from_input(&self, input: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_encoded_string` is never used
[INFO] [stdout]   --> src/question.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn get_encoded_string(domain_name: &str) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "9adf9fd68932dbdea0b6c366fa87452fd71515f2cc47d2cfd964cbba34d196af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adf9fd68932dbdea0b6c366fa87452fd71515f2cc47d2cfd964cbba34d196af", kill_on_drop: false }`
[INFO] [stdout] 9adf9fd68932dbdea0b6c366fa87452fd71515f2cc47d2cfd964cbba34d196af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fa4072d4f21666833e2641351a594011f58d783a5e44c3f81893d96f7dcac3a
[INFO] running `Command { std: "docker" "start" "-a" "8fa4072d4f21666833e2641351a594011f58d783a5e44c3f81893d96f7dcac3a", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `collections::HashSet` and `io::Read`
[INFO] [stderr]  --> src/misc.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashSet, io::Read};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `bits` and `combinator::map`
[INFO] [stderr]  --> src/misc.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     bits::{bits, complete::take},
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 5 |     combinator::map,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qr`
[INFO] [stderr]   --> src/misc.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let (i, qr) = take_bit((i, 0)).unwrap();
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_qr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `aa`
[INFO] [stderr]   --> src/misc.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let (i, aa) = take_bit(i).unwrap();
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tc`
[INFO] [stderr]   --> src/misc.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let (i, tc) = take_bit(i).unwrap();
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_tc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ra`
[INFO] [stderr]   --> src/misc.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (i, ra) = take_bit(i).unwrap();
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_ra`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]   --> src/misc.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let (i, z) = take_3_bits(i).unwrap();
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/misc.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let (i, rcode) = take_nibble(i).unwrap();
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rcode`
[INFO] [stderr]   --> src/misc.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let (i, rcode) = take_nibble(i).unwrap();
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_rcode`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/misc.rs:98:10
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let (i, count) = parse_qdcount(input).unwrap();
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `question_count`
[INFO] [stderr]    --> src/misc.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let question_count = get_question_count(input);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_question_count`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Answer` is never constructed
[INFO] [stderr]  --> src/answer.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Answer {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/answer.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Answer {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn set_name(mut self, name: &str) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn set_question_type(mut self, question_type: u16) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn set_class(mut self, class: u16) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn set_ttl(mut self, ttl: u32) -> Self {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn set_data(mut self, data: [u8; 4]) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     pub fn answer_bytes(&self) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     pub fn from_input(&self, input: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 |     pub fn from_given_encoding_bytes(&self, input: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `take_14_bits` is never used
[INFO] [stderr]   --> src/misc.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn take_14_bits(i: BitInput) -> IResult<BitInput, u16> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `take_2_bits` is never used
[INFO] [stderr]   --> src/misc.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn take_2_bits(i: BitInput) -> IResult<BitInput, u8> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `question_parser` is never used
[INFO] [stderr]   --> src/misc.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn question_parser(input: &[u8]) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `compressed_question_parser` is never used
[INFO] [stderr]    --> src/misc.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn compressed_question_parser(input: &[u8]) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]  --> src/question.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Question {
[INFO] [stderr]   |            -------- field in this struct
[INFO] [stderr] 5 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Question` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_name`, `question_section_bytes`, and `from_input` are never used
[INFO] [stderr]   --> src/question.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Question {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn set_name(mut self, name: &str) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub fn question_section_bytes(self) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn from_input(&self, input: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_encoded_string` is never used
[INFO] [stderr]   --> src/question.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn get_encoded_string(domain_name: &str) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `codecrafters-dns-server` (bin "codecrafters-dns-server" test) generated 20 warnings (run `cargo fix --bin "codecrafters-dns-server" -p codecrafters-dns-server --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codecrafters_dns_server-22895a0a2dfd60cb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8fa4072d4f21666833e2641351a594011f58d783a5e44c3f81893d96f7dcac3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa4072d4f21666833e2641351a594011f58d783a5e44c3f81893d96f7dcac3a", kill_on_drop: false }`
[INFO] [stdout] 8fa4072d4f21666833e2641351a594011f58d783a5e44c3f81893d96f7dcac3a
