[INFO] cloning repository https://github.com/pmalmgren/dnsclient-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pmalmgren/dnsclient-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Fdnsclient-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Fdnsclient-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9fb783919bfbdefd61539e09e90a04de66fc5a2
[INFO] checking pmalmgren/dnsclient-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Fdnsclient-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pmalmgren/dnsclient-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pmalmgren/dnsclient-rust
[INFO] finished tweaking git repo https://github.com/pmalmgren/dnsclient-rust
[INFO] tweaked toml for git repo https://github.com/pmalmgren/dnsclient-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/pmalmgren/dnsclient-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4676ae34ba2b343bc4b69a9efd265f52600476c025e09f1b5f72cde84a071dfc
[INFO] running `Command { std: "docker" "start" "-a" "4676ae34ba2b343bc4b69a9efd265f52600476c025e09f1b5f72cde84a071dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4676ae34ba2b343bc4b69a9efd265f52600476c025e09f1b5f72cde84a071dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4676ae34ba2b343bc4b69a9efd265f52600476c025e09f1b5f72cde84a071dfc", kill_on_drop: false }`
[INFO] [stdout] 4676ae34ba2b343bc4b69a9efd265f52600476c025e09f1b5f72cde84a071dfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ded4327c01588df0b9bb0c908e486788860c66a57268cf2fb048806de4cf7ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ded4327c01588df0b9bb0c908e486788860c66a57268cf2fb048806de4cf7ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dig-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/dns.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/dns.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/main.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn query(config: AppConfig) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hostname`
[INFO] [stdout]    --> src/dns.rs:134:29
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn set_query(&mut self, hostname: String, query: DnsQueryType, record: DnsRecordType) {
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hostname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]    --> src/dns.rs:134:68
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn set_query(&mut self, hostname: String, query: DnsQueryType, record: DnsRecordType) {
[INFO] [stdout]     |                                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/main.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn query(config: AppConfig) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hostname`
[INFO] [stdout]    --> src/dns.rs:134:29
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn set_query(&mut self, hostname: String, query: DnsQueryType, record: DnsRecordType) {
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hostname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]    --> src/dns.rs:134:68
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn set_query(&mut self, hostname: String, query: DnsQueryType, record: DnsRecordType) {
[INFO] [stdout]     |                                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]  --> src/dns.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     A = 1,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NS`
[INFO] [stdout]   --> src/dns.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     NS = 2,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CNAME`
[INFO] [stdout]   --> src/dns.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     CNAME = 5,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SOA`
[INFO] [stdout]   --> src/dns.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     SOA = 6,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PTR`
[INFO] [stdout]   --> src/dns.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PTR = 12,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MX`
[INFO] [stdout]   --> src/dns.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     MX = 15,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TXT`
[INFO] [stdout]   --> src/dns.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     TXT = 16,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AAAA`
[INFO] [stdout]   --> src/dns.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     AAAA = 28,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SRV`
[INFO] [stdout]   --> src/dns.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SRV = 33,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NAPTR`
[INFO] [stdout]   --> src/dns.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     NAPTR = 35,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OPT`
[INFO] [stdout]   --> src/dns.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     OPT = 41,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IXFR`
[INFO] [stdout]   --> src/dns.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     IXFR = 251,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AXFR`
[INFO] [stdout]   --> src/dns.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     AXFR = 252,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ANY`
[INFO] [stdout]   --> src/dns.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ANY = 255,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/dns.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn value(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Iterative`
[INFO] [stdout]   --> src/dns.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Iterative = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Recursive`
[INFO] [stdout]   --> src/dns.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Recursive,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/dns.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn value(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InternetClass`
[INFO] [stdout]   --> src/dns.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     InternetClass = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoClass`
[INFO] [stdout]   --> src/dns.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     NoClass = 254,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AllClass`
[INFO] [stdout]   --> src/dns.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     AllClass = 255,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dns.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/dns.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn new(trans_id: u16) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_query`
[INFO] [stdout]    --> src/dns.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn set_query(&mut self, hostname: String, query: DnsQueryType, record: DnsRecordType) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/dns.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn new<T: ToSocketAddrs>(server: T) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query`
[INFO] [stdout]    --> src/dns.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn query(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]  --> src/dns.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     A = 1,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NS`
[INFO] [stdout]   --> src/dns.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     NS = 2,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CNAME`
[INFO] [stdout]   --> src/dns.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     CNAME = 5,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SOA`
[INFO] [stdout]   --> src/dns.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     SOA = 6,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PTR`
[INFO] [stdout]   --> src/dns.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PTR = 12,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MX`
[INFO] [stdout]   --> src/dns.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     MX = 15,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TXT`
[INFO] [stdout]   --> src/dns.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     TXT = 16,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AAAA`
[INFO] [stdout]   --> src/dns.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     AAAA = 28,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SRV`
[INFO] [stdout]   --> src/dns.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SRV = 33,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NAPTR`
[INFO] [stdout]   --> src/dns.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     NAPTR = 35,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OPT`
[INFO] [stdout]   --> src/dns.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     OPT = 41,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IXFR`
[INFO] [stdout]   --> src/dns.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     IXFR = 251,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AXFR`
[INFO] [stdout]   --> src/dns.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     AXFR = 252,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ANY`
[INFO] [stdout]   --> src/dns.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ANY = 255,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/dns.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn value(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Iterative`
[INFO] [stdout]   --> src/dns.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Iterative = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Recursive`
[INFO] [stdout]   --> src/dns.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Recursive,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/dns.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn value(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InternetClass`
[INFO] [stdout]   --> src/dns.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     InternetClass = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoClass`
[INFO] [stdout]   --> src/dns.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     NoClass = 254,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AllClass`
[INFO] [stdout]   --> src/dns.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     AllClass = 255,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dns.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/dns.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn new(trans_id: u16) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_query`
[INFO] [stdout]    --> src/dns.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn set_query(&mut self, hostname: String, query: DnsQueryType, record: DnsRecordType) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/dns.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn new<T: ToSocketAddrs>(server: T) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query`
[INFO] [stdout]    --> src/dns.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn query(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.11s
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ded4327c01588df0b9bb0c908e486788860c66a57268cf2fb048806de4cf7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ded4327c01588df0b9bb0c908e486788860c66a57268cf2fb048806de4cf7ad", kill_on_drop: false }`
[INFO] [stdout] 5ded4327c01588df0b9bb0c908e486788860c66a57268cf2fb048806de4cf7ad