[INFO] cloning repository https://github.com/razor389/codecrafters-dns-server-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/razor389/codecrafters-dns-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frazor389%2Fcodecrafters-dns-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frazor389%2Fcodecrafters-dns-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eebc52cfd1e69afe137a5d23798aa96960743294
[INFO] checking razor389/codecrafters-dns-server-rust against master#e3e432d4d65a55e6db167598e96db2bcb163e316 for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frazor389%2Fcodecrafters-dns-server-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/razor389/codecrafters-dns-server-rust on toolchain e3e432d4d65a55e6db167598e96db2bcb163e316
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/razor389/codecrafters-dns-server-rust
[INFO] finished tweaking git repo https://github.com/razor389/codecrafters-dns-server-rust
[INFO] tweaked toml for git repo https://github.com/razor389/codecrafters-dns-server-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/razor389/codecrafters-dns-server-rust 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" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5539b09a9deeaef257a707555d4caea8aa28b0047d8e522ef2bc0c660919ee4c
[INFO] running `Command { std: "docker" "start" "-a" "5539b09a9deeaef257a707555d4caea8aa28b0047d8e522ef2bc0c660919ee4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5539b09a9deeaef257a707555d4caea8aa28b0047d8e522ef2bc0c660919ee4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5539b09a9deeaef257a707555d4caea8aa28b0047d8e522ef2bc0c660919ee4c", kill_on_drop: false }`
[INFO] [stdout] 5539b09a9deeaef257a707555d4caea8aa28b0047d8e522ef2bc0c660919ee4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 646dae3a5c26b23ddf95246b29149bf7699ed52a28eff001c0d33e388ecfa27d
[INFO] running `Command { std: "docker" "start" "-a" "646dae3a5c26b23ddf95246b29149bf7699ed52a28eff001c0d33e388ecfa27d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking codecrafters-dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Ipv4Addr`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{Ipv4Addr, SocketAddr, UdpSocket};
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ipv4Addr`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{Ipv4Addr, SocketAddr, UdpSocket};
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response_size`
[INFO] [stdout]   --> src/main.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     let (response_size, _) = resolver_socket.recv_from(&mut resolver_response_buffer.buf)?;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response_size`
[INFO] [stdout]   --> src/main.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     let (response_size, _) = resolver_socket.recv_from(&mut resolver_response_buffer.buf)?;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_a` is never used
[INFO] [stdout]   --> src/record.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl DnsRecord {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 23 |     
[INFO] [stdout] 24 |     pub fn new_a(domain: String, addr: Ipv4Addr, ttl: u32)-> Self{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_a` is never used
[INFO] [stdout]   --> src/record.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl DnsRecord {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 23 |     
[INFO] [stdout] 24 |     pub fn new_a(domain: String, addr: Ipv4Addr, ttl: u32)-> Self{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.98s
[INFO] running `Command { std: "docker" "inspect" "646dae3a5c26b23ddf95246b29149bf7699ed52a28eff001c0d33e388ecfa27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646dae3a5c26b23ddf95246b29149bf7699ed52a28eff001c0d33e388ecfa27d", kill_on_drop: false }`
[INFO] [stdout] 646dae3a5c26b23ddf95246b29149bf7699ed52a28eff001c0d33e388ecfa27d