[INFO] cloning repository https://github.com/ckab04/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/ckab04/codecrafters-dns-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckab04%2Fcodecrafters-dns-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckab04%2Fcodecrafters-dns-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 267c7f9ab8c85eb9c578403c6e3817031846b165
[INFO] checking ckab04/codecrafters-dns-server-rust against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckab04%2Fcodecrafters-dns-server-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ckab04/codecrafters-dns-server-rust on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ckab04/codecrafters-dns-server-rust
[INFO] finished tweaking git repo https://github.com/ckab04/codecrafters-dns-server-rust
[INFO] tweaked toml for git repo https://github.com/ckab04/codecrafters-dns-server-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ckab04/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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking ckab04/codecrafters-dns-server-rust against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckab04%2Fcodecrafters-dns-server-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ckab04/codecrafters-dns-server-rust on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ckab04/codecrafters-dns-server-rust
[INFO] finished tweaking git repo https://github.com/ckab04/codecrafters-dns-server-rust
[INFO] tweaked toml for git repo https://github.com/ckab04/codecrafters-dns-server-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ckab04/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" "+7622c0f807a4e13c4db886a1681bf343795692df" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking ckab04/codecrafters-dns-server-rust against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckab04%2Fcodecrafters-dns-server-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ckab04/codecrafters-dns-server-rust on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ckab04/codecrafters-dns-server-rust
[INFO] finished tweaking git repo https://github.com/ckab04/codecrafters-dns-server-rust
[INFO] tweaked toml for git repo https://github.com/ckab04/codecrafters-dns-server-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ckab04/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" "+7622c0f807a4e13c4db886a1681bf343795692df" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d765c7d179a9f3b3c7f1916712d73d9bb313c5e4a25a0882bca8dfddb3a12329
[INFO] running `Command { std: "docker" "start" "-a" "d765c7d179a9f3b3c7f1916712d73d9bb313c5e4a25a0882bca8dfddb3a12329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d765c7d179a9f3b3c7f1916712d73d9bb313c5e4a25a0882bca8dfddb3a12329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d765c7d179a9f3b3c7f1916712d73d9bb313c5e4a25a0882bca8dfddb3a12329", kill_on_drop: false }`
[INFO] [stdout] d765c7d179a9f3b3c7f1916712d73d9bb313c5e4a25a0882bca8dfddb3a12329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dnon_local_definitions" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 555ba1948fc701c349415cfa2e5c1bbf4111ae42a47a3d289ebb245cef1aa784
[INFO] running `Command { std: "docker" "start" "-a" "555ba1948fc701c349415cfa2e5c1bbf4111ae42a47a3d289ebb245cef1aa784", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking dns-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/message.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut header_bytes: &[u8] = packet_data;
[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/message.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut header_bytes: &[u8] = packet_data;
[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: value assigned to `encoded_value` is never read
[INFO] [stdout]    --> src/message.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut encoded_value: Vec<u8> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain_name`
[INFO] [stdout]    --> src/message.rs:127:26
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn conversion(&self, domain_name: String) -> Vec<u8>{
[INFO] [stdout]     |                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `encoded_value` is never read
[INFO] [stdout]    --> src/message.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut encoded_value: Vec<u8> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain_name`
[INFO] [stdout]    --> src/message.rs:127:26
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn conversion(&self, domain_name: String) -> Vec<u8>{
[INFO] [stdout]     |                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temp`
[INFO] [stdout]   --> src/main.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let temp = &buf[0..size];
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_temp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temp`
[INFO] [stdout]   --> src/main.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let temp = &buf[0..size];
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_temp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "555ba1948fc701c349415cfa2e5c1bbf4111ae42a47a3d289ebb245cef1aa784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555ba1948fc701c349415cfa2e5c1bbf4111ae42a47a3d289ebb245cef1aa784", kill_on_drop: false }`
[INFO] [stdout] 555ba1948fc701c349415cfa2e5c1bbf4111ae42a47a3d289ebb245cef1aa784
