[INFO] cloning repository https://github.com/rascalking/dunce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rascalking/dunce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frascalking%2Fdunce", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frascalking%2Fdunce'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7f66d780a0aa53b9b29e067c1c65555b4e2f648
[INFO] testing rascalking/dunce against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frascalking%2Fdunce" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rascalking/dunce on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rascalking/dunce
[INFO] finished tweaking git repo https://github.com/rascalking/dunce
[INFO] tweaked toml for git repo https://github.com/rascalking/dunce written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/rascalking/dunce already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2462fb2bf77b3f075ff52b19cfb9c6cab58b740d83184d89c3215e8359d6218c
[INFO] running `Command { std: "docker" "start" "-a" "2462fb2bf77b3f075ff52b19cfb9c6cab58b740d83184d89c3215e8359d6218c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2462fb2bf77b3f075ff52b19cfb9c6cab58b740d83184d89c3215e8359d6218c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2462fb2bf77b3f075ff52b19cfb9c6cab58b740d83184d89c3215e8359d6218c", kill_on_drop: false }`
[INFO] [stdout] 2462fb2bf77b3f075ff52b19cfb9c6cab58b740d83184d89c3215e8359d6218c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d943abe21492c1662c905797e90330945be88aca3b9bafacdec65717bcee4565
[INFO] running `Command { std: "docker" "start" "-a" "d943abe21492c1662c905797e90330945be88aca3b9bafacdec65717bcee4565", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling dunce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/packet.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut packet = Packet { buf };
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_authoritative`
[INFO] [stdout]    --> src/packet.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn set_authoritative(&mut self, is_authoritative: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_truncated`
[INFO] [stdout]    --> src/packet.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn set_truncated(&mut self, is_truncated: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_recursion_available`
[INFO] [stdout]    --> src/packet.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn set_recursion_available(&mut self, is_recursion_available: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rcode`
[INFO] [stdout]    --> src/packet.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn rcode(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_rcode`
[INFO] [stdout]    --> src/packet.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn set_rcode(&mut self, rcode: u8) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_ancount`
[INFO] [stdout]    --> src/packet.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn set_ancount(&mut self, ancount: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_nscount`
[INFO] [stdout]    --> src/packet.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn set_nscount(&mut self, nscount: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_arcount`
[INFO] [stdout]    --> src/packet.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn set_arcount(&mut self, arcount: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{SocketAddr, UdpSocket};
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut query = Packet::new_query("www.icann.org");
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "d943abe21492c1662c905797e90330945be88aca3b9bafacdec65717bcee4565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d943abe21492c1662c905797e90330945be88aca3b9bafacdec65717bcee4565", kill_on_drop: false }`
[INFO] [stdout] d943abe21492c1662c905797e90330945be88aca3b9bafacdec65717bcee4565
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3007178a463d3c3e970e12d1f181e37c91f8bc9f971144db538455894b7c0f7
[INFO] running `Command { std: "docker" "start" "-a" "d3007178a463d3c3e970e12d1f181e37c91f8bc9f971144db538455894b7c0f7", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/packet.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut packet = Packet { buf };
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_authoritative`
[INFO] [stdout]    --> src/packet.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn set_authoritative(&mut self, is_authoritative: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_truncated`
[INFO] [stdout]    --> src/packet.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn set_truncated(&mut self, is_truncated: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_recursion_available`
[INFO] [stdout]    --> src/packet.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn set_recursion_available(&mut self, is_recursion_available: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dunce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `rcode`
[INFO] [stdout]    --> src/packet.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn rcode(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_rcode`
[INFO] [stdout]    --> src/packet.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn set_rcode(&mut self, rcode: u8) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_ancount`
[INFO] [stdout]    --> src/packet.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn set_ancount(&mut self, ancount: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_nscount`
[INFO] [stdout]    --> src/packet.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn set_nscount(&mut self, nscount: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_arcount`
[INFO] [stdout]    --> src/packet.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn set_arcount(&mut self, arcount: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{SocketAddr, UdpSocket};
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut query = Packet::new_query("www.icann.org");
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/packet.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut packet = Packet { buf };
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_authoritative`
[INFO] [stdout]    --> src/packet.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn set_authoritative(&mut self, is_authoritative: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_truncated`
[INFO] [stdout]    --> src/packet.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn set_truncated(&mut self, is_truncated: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_recursion_available`
[INFO] [stdout]    --> src/packet.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn set_recursion_available(&mut self, is_recursion_available: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rcode`
[INFO] [stdout]    --> src/packet.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn rcode(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_rcode`
[INFO] [stdout]    --> src/packet.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn set_rcode(&mut self, rcode: u8) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_ancount`
[INFO] [stdout]    --> src/packet.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn set_ancount(&mut self, ancount: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_nscount`
[INFO] [stdout]    --> src/packet.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn set_nscount(&mut self, nscount: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_arcount`
[INFO] [stdout]    --> src/packet.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn set_arcount(&mut self, arcount: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "d3007178a463d3c3e970e12d1f181e37c91f8bc9f971144db538455894b7c0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3007178a463d3c3e970e12d1f181e37c91f8bc9f971144db538455894b7c0f7", kill_on_drop: false }`
[INFO] [stdout] d3007178a463d3c3e970e12d1f181e37c91f8bc9f971144db538455894b7c0f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77bcde0643636350e01dd11bfe95fcd5f832e22858b79d3f2b54d721bf1e781d
[INFO] running `Command { std: "docker" "start" "-a" "77bcde0643636350e01dd11bfe95fcd5f832e22858b79d3f2b54d721bf1e781d", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/packet.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut packet = Packet { buf };
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_authoritative`
[INFO] [stderr]    --> src/packet.rs:136:8
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn set_authoritative(&mut self, is_authoritative: bool) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_truncated`
[INFO] [stderr]    --> src/packet.rs:151:8
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn set_truncated(&mut self, is_truncated: bool) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_recursion_available`
[INFO] [stderr]    --> src/packet.rs:181:8
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn set_recursion_available(&mut self, is_recursion_available: bool) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rcode`
[INFO] [stderr]    --> src/packet.rs:192:8
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn rcode(&self) -> u8 {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_rcode`
[INFO] [stderr]    --> src/packet.rs:196:8
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn set_rcode(&mut self, rcode: u8) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_ancount`
[INFO] [stderr]    --> src/packet.rs:215:8
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn set_ancount(&mut self, ancount: u16) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_nscount`
[INFO] [stderr]    --> src/packet.rs:223:8
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn set_nscount(&mut self, nscount: u16) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_arcount`
[INFO] [stderr]    --> src/packet.rs:231:8
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn set_arcount(&mut self, arcount: u16) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dunce` (lib) generated 9 warnings
[INFO] [stderr] warning: `dunce` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr] warning: unused import: `SocketAddr`
[INFO] [stderr]  --> src/main.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::{SocketAddr, UdpSocket};
[INFO] [stderr]   |                ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut query = Packet::new_query("www.icann.org");
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dunce` (bin "dunce" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dunce-36dbfd6f6fcc2974)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dunce-c850992a1681300d)
[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] [stderr]    Doc-tests dunce
[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" "77bcde0643636350e01dd11bfe95fcd5f832e22858b79d3f2b54d721bf1e781d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bcde0643636350e01dd11bfe95fcd5f832e22858b79d3f2b54d721bf1e781d", kill_on_drop: false }`
[INFO] [stdout] 77bcde0643636350e01dd11bfe95fcd5f832e22858b79d3f2b54d721bf1e781d