[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] ea124916fd064f0d1f8d945ea39bb0852134dcdf
[INFO] checking 0x1F8F/dns.local against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x1F8F%2Fdns.local" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0x1F8F/dns.local on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc2/source/Cargo.toml
[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" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f3d4365a1737fd1e9744d8d282d50ebb1b76a73b8014da100cc70f0c6e40c11
[INFO] running `Command { std: "docker" "start" "-a" "8f3d4365a1737fd1e9744d8d282d50ebb1b76a73b8014da100cc70f0c6e40c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f3d4365a1737fd1e9744d8d282d50ebb1b76a73b8014da100cc70f0c6e40c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3d4365a1737fd1e9744d8d282d50ebb1b76a73b8014da100cc70f0c6e40c11", kill_on_drop: false }`
[INFO] [stdout] 8f3d4365a1737fd1e9744d8d282d50ebb1b76a73b8014da100cc70f0c6e40c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69ea7fd7acce01a2eee1f3426f6d30d36f5810b4ea974d89e33713175c7cbdb2
[INFO] running `Command { std: "docker" "start" "-a" "69ea7fd7acce01a2eee1f3426f6d30d36f5810b4ea974d89e33713175c7cbdb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling quote v1.0.37
[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: elided lifetime has a name
[INFO] [stdout]   --> src/dns/name.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<'b> From<&'b [u8]> for Name<'b> {
[INFO] [stdout]    |      -- lifetime `'b` declared here
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name {
[INFO] [stdout]    |                                 ^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/dns/name.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<'b> From<&'b [u8]> for Name<'b> {
[INFO] [stdout]    |      -- lifetime `'b` declared here
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name {
[INFO] [stdout]    |                                 ^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` 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)]` 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)]` 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:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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 | 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: multiple variants are never constructed
[INFO] [stdout]   --> src/dns/types.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Type {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 32 |     A,          // 1 host addr
[INFO] [stdout]    |     ^
[INFO] [stdout] 33 |     NS,         // 2 authoritative name server
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     MD,         // 3 mail destination
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     MF,         // 4 mail fwd
[INFO] [stdout]    |     ^^
[INFO] [stdout] 36 |     CNAME,      // 5 alias
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 37 |     SOA,        // 6 starting zone of authority
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     MB,         // 7 mailbox domain name        [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 39 |     MG,         // 8 mail group member          [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 40 |     MR,         // 9 mail rename domain name    [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 41 |     NULL,       // 10 null RR                   [alpha]
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     WKS,        // 11 service description
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 43 |     PTR,        // 12 domain name ptr
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     HINFO,      // 13 host inf
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |     MINFO,      // 14 mailbox / mail list inf
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 46 |     MX,         // 15 mail
[INFO] [stdout]    |     ^^
[INFO] [stdout] 47 |     TXT,        // 16 text
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IN`, `CS`, `CH`, and `HS` are never constructed
[INFO] [stdout]   --> src/dns/types.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Class {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 51 |     IN,     // 1 internet
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     CS,     // 2 CSNET
[INFO] [stdout]    |     ^^
[INFO] [stdout] 53 |     CH,     // 3 CHAOS
[INFO] [stdout]    |     ^^
[INFO] [stdout] 54 |     HS,     // 4 hesiod
[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 `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: 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)]` 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)]` 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:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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 | 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: multiple variants are never constructed
[INFO] [stdout]   --> src/dns/types.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Type {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 32 |     A,          // 1 host addr
[INFO] [stdout]    |     ^
[INFO] [stdout] 33 |     NS,         // 2 authoritative name server
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     MD,         // 3 mail destination
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     MF,         // 4 mail fwd
[INFO] [stdout]    |     ^^
[INFO] [stdout] 36 |     CNAME,      // 5 alias
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 37 |     SOA,        // 6 starting zone of authority
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     MB,         // 7 mailbox domain name        [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 39 |     MG,         // 8 mail group member          [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 40 |     MR,         // 9 mail rename domain name    [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 41 |     NULL,       // 10 null RR                   [alpha]
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     WKS,        // 11 service description
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 43 |     PTR,        // 12 domain name ptr
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     HINFO,      // 13 host inf
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |     MINFO,      // 14 mailbox / mail list inf
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 46 |     MX,         // 15 mail
[INFO] [stdout]    |     ^^
[INFO] [stdout] 47 |     TXT,        // 16 text
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IN`, `CS`, `CH`, and `HS` are never constructed
[INFO] [stdout]   --> src/dns/types.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Class {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 51 |     IN,     // 1 internet
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     CS,     // 2 CSNET
[INFO] [stdout]    |     ^^
[INFO] [stdout] 53 |     CH,     // 3 CHAOS
[INFO] [stdout]    |     ^^
[INFO] [stdout] 54 |     HS,     // 4 hesiod
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/srv/udp.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::dns::{header, 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: elided lifetime has a name
[INFO] [stdout]   --> src/dns/name.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<'b> From<&'b [u8]> for Name<'b> {
[INFO] [stdout]    |      -- lifetime `'b` declared here
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name {
[INFO] [stdout]    |                                 ^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/srv/udp.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::dns::{header, 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: elided lifetime has a name
[INFO] [stdout]   --> src/dns/name.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<'b> From<&'b [u8]> for Name<'b> {
[INFO] [stdout]    |      -- lifetime `'b` declared here
[INFO] [stdout] 39 |     fn from(value: &'b [u8]) -> Name {
[INFO] [stdout]    |                                 ^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` 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)]` 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)]` 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:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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 | 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: multiple variants are never constructed
[INFO] [stdout]   --> src/dns/types.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Type {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 32 |     A,          // 1 host addr
[INFO] [stdout]    |     ^
[INFO] [stdout] 33 |     NS,         // 2 authoritative name server
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     MD,         // 3 mail destination
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     MF,         // 4 mail fwd
[INFO] [stdout]    |     ^^
[INFO] [stdout] 36 |     CNAME,      // 5 alias
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 37 |     SOA,        // 6 starting zone of authority
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     MB,         // 7 mailbox domain name        [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 39 |     MG,         // 8 mail group member          [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 40 |     MR,         // 9 mail rename domain name    [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 41 |     NULL,       // 10 null RR                   [alpha]
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     WKS,        // 11 service description
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 43 |     PTR,        // 12 domain name ptr
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     HINFO,      // 13 host inf
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |     MINFO,      // 14 mailbox / mail list inf
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 46 |     MX,         // 15 mail
[INFO] [stdout]    |     ^^
[INFO] [stdout] 47 |     TXT,        // 16 text
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IN`, `CS`, `CH`, and `HS` are never constructed
[INFO] [stdout]   --> src/dns/types.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Class {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 51 |     IN,     // 1 internet
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     CS,     // 2 CSNET
[INFO] [stdout]    |     ^^
[INFO] [stdout] 53 |     CH,     // 3 CHAOS
[INFO] [stdout]    |     ^^
[INFO] [stdout] 54 |     HS,     // 4 hesiod
[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: 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)]` 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)]` 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:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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 | 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: multiple variants are never constructed
[INFO] [stdout]   --> src/dns/types.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Type {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 32 |     A,          // 1 host addr
[INFO] [stdout]    |     ^
[INFO] [stdout] 33 |     NS,         // 2 authoritative name server
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     MD,         // 3 mail destination
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     MF,         // 4 mail fwd
[INFO] [stdout]    |     ^^
[INFO] [stdout] 36 |     CNAME,      // 5 alias
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 37 |     SOA,        // 6 starting zone of authority
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     MB,         // 7 mailbox domain name        [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 39 |     MG,         // 8 mail group member          [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 40 |     MR,         // 9 mail rename domain name    [alpha]
[INFO] [stdout]    |     ^^
[INFO] [stdout] 41 |     NULL,       // 10 null RR                   [alpha]
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     WKS,        // 11 service description
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 43 |     PTR,        // 12 domain name ptr
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     HINFO,      // 13 host inf
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |     MINFO,      // 14 mailbox / mail list inf
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 46 |     MX,         // 15 mail
[INFO] [stdout]    |     ^^
[INFO] [stdout] 47 |     TXT,        // 16 text
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IN`, `CS`, `CH`, and `HS` are never constructed
[INFO] [stdout]   --> src/dns/types.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Class {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 51 |     IN,     // 1 internet
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     CS,     // 2 CSNET
[INFO] [stdout]    |     ^^
[INFO] [stdout] 53 |     CH,     // 3 CHAOS
[INFO] [stdout]    |     ^^
[INFO] [stdout] 54 |     HS,     // 4 hesiod
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.14s
[INFO] running `Command { std: "docker" "inspect" "69ea7fd7acce01a2eee1f3426f6d30d36f5810b4ea974d89e33713175c7cbdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ea7fd7acce01a2eee1f3426f6d30d36f5810b4ea974d89e33713175c7cbdb2", kill_on_drop: false }`
[INFO] [stdout] 69ea7fd7acce01a2eee1f3426f6d30d36f5810b4ea974d89e33713175c7cbdb2
