[INFO] cloning repository https://github.com/0x1F8F/dns.local
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x1F8F/dns.local" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x1F8F%2Fdns.local", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x1F8F%2Fdns.local'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 217d9b9a52acbaf23929b8c273cfa54dc308cf3f
[INFO] checking 0x1F8F/dns.local against master#d5419f1e97b90741d51841f800d3c697c662567d for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x1F8F%2Fdns.local" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0x1F8F/dns.local
[INFO] finished tweaking git repo https://github.com/0x1F8F/dns.local
[INFO] tweaked toml for git repo https://github.com/0x1F8F/dns.local written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0x1F8F/dns.local on toolchain d5419f1e97b90741d51841f800d3c697c662567d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d5419f1e97b90741d51841f800d3c697c662567d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0x1F8F/dns.local 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" "+d5419f1e97b90741d51841f800d3c697c662567d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d5419f1e97b90741d51841f800d3c697c662567d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15dcc851e6ff40b29dbd8dd969fb91f01af7d75ae3f525604c9f42f6bc77ca1e
[INFO] running `Command { std: "docker" "start" "-a" "15dcc851e6ff40b29dbd8dd969fb91f01af7d75ae3f525604c9f42f6bc77ca1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15dcc851e6ff40b29dbd8dd969fb91f01af7d75ae3f525604c9f42f6bc77ca1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15dcc851e6ff40b29dbd8dd969fb91f01af7d75ae3f525604c9f42f6bc77ca1e", kill_on_drop: false }`
[INFO] [stdout] 15dcc851e6ff40b29dbd8dd969fb91f01af7d75ae3f525604c9f42f6bc77ca1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d5419f1e97b90741d51841f800d3c697c662567d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26f95a1090c169692fc1811a61220eb51ac9878283f9ccf2f45d709390dc501e
[INFO] running `Command { std: "docker" "start" "-a" "26f95a1090c169692fc1811a61220eb51ac9878283f9ccf2f45d709390dc501e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking dnsl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Class` and `Type`
[INFO] [stdout]  --> src/dns/question.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{name::Name, types::{Class, Type}};
[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 variable: `header`
[INFO] [stdout]   --> src/dns/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let header = Header(&payload[0..=12]);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `query_parser` is never used
[INFO] [stdout]   --> src/dns/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header , Question )> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Question` is never constructed
[INFO] [stdout]  --> src/dns/question.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Question<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QType` is never used
[INFO] [stdout]   --> src/dns/question.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum QType {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QClass` is never used
[INFO] [stdout]   --> src/dns/question.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum QClass {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Header` is never constructed
[INFO] [stdout]  --> src/dns/header.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Header<'a>(pub &'a [u8]);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadHeader` is never used
[INFO] [stdout]   --> src/dns/header.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait ReadHeader {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Name` is never constructed
[INFO] [stdout]   --> src/dns/name.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Name<'a> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]   --> src/dns/types.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Type {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Class` is never used
[INFO] [stdout]   --> src/dns/types.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Class {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/types.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Type {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 58 |     fn new( i:u16 ) -> Option<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/types.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl Class {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 67 |     fn new( i:u8 ) -> Option<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dns/mod.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header , Question )> {
[INFO] [stdout]    |                               ^^^^^              ^^^^^^   ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |                  |
[INFO] [stdout]    |                               |                  the same lifetime is hidden here
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header<'_> , Question<'_> )> {
[INFO] [stdout]    |                                                        ++++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dns/name.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name {
[INFO] [stdout]    |                     --          ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name<'b> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Class` and `Type`
[INFO] [stdout]  --> src/dns/question.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{name::Name, types::{Class, Type}};
[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 variable: `header`
[INFO] [stdout]   --> src/dns/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let header = Header(&payload[0..=12]);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `query_parser` is never used
[INFO] [stdout]   --> src/dns/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header , Question )> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Question` is never constructed
[INFO] [stdout]  --> src/dns/question.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Question<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QType` is never used
[INFO] [stdout]   --> src/dns/question.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum QType {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QClass` is never used
[INFO] [stdout]   --> src/dns/question.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum QClass {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Header` is never constructed
[INFO] [stdout]  --> src/dns/header.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Header<'a>(pub &'a [u8]);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadHeader` is never used
[INFO] [stdout]   --> src/dns/header.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait ReadHeader {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Name` is never constructed
[INFO] [stdout]   --> src/dns/name.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Name<'a> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_name` is never used
[INFO] [stdout]   --> src/dns/name.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn parse_name(r : &[u8]) -> ( Vec<String> , u16 ) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]   --> src/dns/types.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Type {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Class` is never used
[INFO] [stdout]   --> src/dns/types.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Class {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/types.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Type {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 58 |     fn new( i:u16 ) -> Option<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/types.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl Class {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 67 |     fn new( i:u8 ) -> Option<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get` is never used
[INFO] [stdout]  --> src/bit.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn get(x:u8 , pos :u8) -> u8 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set` is never used
[INFO] [stdout]  --> src/bit.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn set(x: u8, idx: usize, b: bool) -> u8 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dns/mod.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header , Question )> {
[INFO] [stdout]    |                               ^^^^^              ^^^^^^   ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |                  |
[INFO] [stdout]    |                               |                  the same lifetime is hidden here
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header<'_> , Question<'_> )> {
[INFO] [stdout]    |                                                        ++++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dns/name.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name {
[INFO] [stdout]    |                     --          ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name<'b> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `os::linux::net::SocketAddrExt`
[INFO] [stdout]  --> src/srv/udp.rs:1:55
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::Error, net::{ToSocketAddrs, UdpSocket}, os::linux::net::SocketAddrExt};
[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 import: `self`
[INFO] [stdout]  --> src/srv/udp.rs:3:55
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::dns::{ header::{self , ReadHeader}, name::{self, Name}};
[INFO] [stdout]   |                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/srv/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tracing::{error, info, trace};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Class` and `Type`
[INFO] [stdout]  --> src/dns/question.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{name::Name, types::{Class, Type}};
[INFO] [stdout]   |                                 ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `os::linux::net::SocketAddrExt`
[INFO] [stdout]  --> src/srv/udp.rs:1:55
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::Error, net::{ToSocketAddrs, UdpSocket}, os::linux::net::SocketAddrExt};
[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 import: `self`
[INFO] [stdout]  --> src/srv/udp.rs:3:55
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::dns::{ header::{self , ReadHeader}, name::{self, Name}};
[INFO] [stdout]   |                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/srv/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tracing::{error, info, trace};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Class` and `Type`
[INFO] [stdout]  --> src/dns/question.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{name::Name, types::{Class, Type}};
[INFO] [stdout]   |                                 ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/dns/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let header = Header(&payload[0..=12]);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_tcp_stream` is never used
[INFO] [stdout]   --> src/srv/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn read_tcp_stream(stream : &mut TcpStream) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `query_parser` is never used
[INFO] [stdout]   --> src/dns/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header , Question )> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Question` is never constructed
[INFO] [stdout]  --> src/dns/question.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Question<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QType` is never used
[INFO] [stdout]   --> src/dns/question.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum QType {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QClass` is never used
[INFO] [stdout]   --> src/dns/question.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum QClass {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_z` is never used
[INFO] [stdout]   --> src/dns/header.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait ReadHeader {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn get_z(&self) -> u8;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]   --> src/dns/types.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Type {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Class` is never used
[INFO] [stdout]   --> src/dns/types.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Class {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/types.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Type {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 58 |     fn new( i:u16 ) -> Option<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/types.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl Class {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 67 |     fn new( i:u8 ) -> Option<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dns/mod.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header , Question )> {
[INFO] [stdout]    |                               ^^^^^              ^^^^^^   ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |                  |
[INFO] [stdout]    |                               |                  the same lifetime is hidden here
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header<'_> , Question<'_> )> {
[INFO] [stdout]    |                                                        ++++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dns/name.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name {
[INFO] [stdout]    |                     --          ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name<'b> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/dns/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let header = Header(&payload[0..=12]);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_tcp_stream` is never used
[INFO] [stdout]   --> src/srv/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn read_tcp_stream(stream : &mut TcpStream) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set` is never used
[INFO] [stdout]  --> src/bit.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn set(x: u8, idx: usize, b: bool) -> u8 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `query_parser` is never used
[INFO] [stdout]   --> src/dns/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header , Question )> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Question` is never constructed
[INFO] [stdout]  --> src/dns/question.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Question<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QType` is never used
[INFO] [stdout]   --> src/dns/question.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum QType {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QClass` is never used
[INFO] [stdout]   --> src/dns/question.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum QClass {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_z` is never used
[INFO] [stdout]   --> src/dns/header.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait ReadHeader {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn get_z(&self) -> u8;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_name` is never used
[INFO] [stdout]   --> src/dns/name.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn parse_name(r : &[u8]) -> ( Vec<String> , u16 ) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]   --> src/dns/types.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Type {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Class` is never used
[INFO] [stdout]   --> src/dns/types.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Class {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/types.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Type {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 58 |     fn new( i:u16 ) -> Option<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dns/types.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl Class {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 67 |     fn new( i:u8 ) -> Option<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dns/mod.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header , Question )> {
[INFO] [stdout]    |                               ^^^^^              ^^^^^^   ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |                  |
[INFO] [stdout]    |                               |                  the same lifetime is hidden here
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn query_parser(payload : &[u8]) -> Option<( Header<'_> , Question<'_> )> {
[INFO] [stdout]    |                                                        ++++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/dns/name.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name {
[INFO] [stdout]    |                     --          ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name<'b> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.22s
[INFO] running `Command { std: "docker" "inspect" "26f95a1090c169692fc1811a61220eb51ac9878283f9ccf2f45d709390dc501e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f95a1090c169692fc1811a61220eb51ac9878283f9ccf2f45d709390dc501e", kill_on_drop: false }`
[INFO] [stdout] 26f95a1090c169692fc1811a61220eb51ac9878283f9ccf2f45d709390dc501e
