[INFO] cloning repository https://github.com/AKiranB/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/AKiranB/dns-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAKiranB%2Fdns-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAKiranB%2Fdns-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61c48bc8411a1686cdae9dedbeb6a30ebfd54976
[INFO] testing AKiranB/dns-server-rust against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAKiranB%2Fdns-server-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AKiranB/dns-server-rust
[INFO] finished tweaking git repo https://github.com/AKiranB/dns-server-rust
[INFO] tweaked toml for git repo https://github.com/AKiranB/dns-server-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AKiranB/dns-server-rust on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AKiranB/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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3ce0bf918e63c90f615510961714736b965d47c8da8ca2b90e7616eee60aaee
[INFO] running `Command { std: "docker" "start" "-a" "f3ce0bf918e63c90f615510961714736b965d47c8da8ca2b90e7616eee60aaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3ce0bf918e63c90f615510961714736b965d47c8da8ca2b90e7616eee60aaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3ce0bf918e63c90f615510961714736b965d47c8da8ca2b90e7616eee60aaee", kill_on_drop: false }`
[INFO] [stdout] f3ce0bf918e63c90f615510961714736b965d47c8da8ca2b90e7616eee60aaee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cf5e125dc6fd51d8d1fe6fb89d3c6c89b37d23c5d6b51cb8b245c541f584ed6
[INFO] running `Command { std: "docker" "start" "-a" "0cf5e125dc6fd51d8d1fe6fb89d3c6c89b37d23c5d6b51cb8b245c541f584ed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling codecrafters-dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_questions` is never used
[INFO] [stdout]  --> src/utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn read_questions(qdcount: u16, buf: &[u8]) -> (Vec<DnsQuestion>, Vec<usize>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_answers` is never used
[INFO] [stdout]   --> src/utils.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn build_answers(questions: &Vec<DnsQuestion>, offsets: Vec<usize>) -> Vec<DnsAnswer> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_answers` is never used
[INFO] [stdout]   --> src/utils.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn write_answers(answers: Vec<DnsAnswer>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_questions` is never used
[INFO] [stdout]   --> src/utils.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn write_questions(questions: Vec<DnsQuestion>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.92s
[INFO] running `Command { std: "docker" "inspect" "0cf5e125dc6fd51d8d1fe6fb89d3c6c89b37d23c5d6b51cb8b245c541f584ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf5e125dc6fd51d8d1fe6fb89d3c6c89b37d23c5d6b51cb8b245c541f584ed6", kill_on_drop: false }`
[INFO] [stdout] 0cf5e125dc6fd51d8d1fe6fb89d3c6c89b37d23c5d6b51cb8b245c541f584ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e34e92a1344db95aaefde72223bb79fd15a8efa363d26aa92922fef5606e858d
[INFO] running `Command { std: "docker" "start" "-a" "e34e92a1344db95aaefde72223bb79fd15a8efa363d26aa92922fef5606e858d", kill_on_drop: false }`
[INFO] [stderr]    Compiling codecrafters-dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_questions` is never used
[INFO] [stdout]  --> src/utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn read_questions(qdcount: u16, buf: &[u8]) -> (Vec<DnsQuestion>, Vec<usize>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_answers` is never used
[INFO] [stdout]   --> src/utils.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn build_answers(questions: &Vec<DnsQuestion>, offsets: Vec<usize>) -> Vec<DnsAnswer> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_answers` is never used
[INFO] [stdout]   --> src/utils.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn write_answers(answers: Vec<DnsAnswer>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_questions` is never used
[INFO] [stdout]   --> src/utils.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn write_questions(questions: Vec<DnsQuestion>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "e34e92a1344db95aaefde72223bb79fd15a8efa363d26aa92922fef5606e858d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34e92a1344db95aaefde72223bb79fd15a8efa363d26aa92922fef5606e858d", kill_on_drop: false }`
[INFO] [stdout] e34e92a1344db95aaefde72223bb79fd15a8efa363d26aa92922fef5606e858d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa041bf7eb71018a154c359d6245f7f25217988bd00af011b3a56e34af02c437
[INFO] running `Command { std: "docker" "start" "-a" "aa041bf7eb71018a154c359d6245f7f25217988bd00af011b3a56e34af02c437", kill_on_drop: false }`
[INFO] [stderr] warning: function `read_questions` is never used
[INFO] [stderr]  --> src/utils.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn read_questions(qdcount: u16, buf: &[u8]) -> (Vec<DnsQuestion>, Vec<usize>) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_answers` is never used
[INFO] [stderr]   --> src/utils.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn build_answers(questions: &Vec<DnsQuestion>, offsets: Vec<usize>) -> Vec<DnsAnswer> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `write_answers` is never used
[INFO] [stderr]   --> src/utils.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn write_answers(answers: Vec<DnsAnswer>) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `write_questions` is never used
[INFO] [stderr]   --> src/utils.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn write_questions(questions: Vec<DnsQuestion>) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `codecrafters-dns-server` (bin "codecrafters-dns-server" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codecrafters_dns_server-173ce0b24d620fcb)
[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" "aa041bf7eb71018a154c359d6245f7f25217988bd00af011b3a56e34af02c437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa041bf7eb71018a154c359d6245f7f25217988bd00af011b3a56e34af02c437", kill_on_drop: false }`
[INFO] [stdout] aa041bf7eb71018a154c359d6245f7f25217988bd00af011b3a56e34af02c437
