[INFO] cloning repository https://github.com/sudo-pacman-R-skill-issue/dns-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sudo-pacman-R-skill-issue/dns-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudo-pacman-R-skill-issue%2Fdns-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudo-pacman-R-skill-issue%2Fdns-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc9641b60b290db51f213423ad4549902d72e5dc
[INFO] checking sudo-pacman-R-skill-issue/dns-server against try#39605810efb1a0d52f955bfba9e4eec7a01d5deb for pr-153692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudo-pacman-R-skill-issue%2Fdns-server" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sudo-pacman-R-skill-issue/dns-server
[INFO] finished tweaking git repo https://github.com/sudo-pacman-R-skill-issue/dns-server
[INFO] tweaked toml for git repo https://github.com/sudo-pacman-R-skill-issue/dns-server written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sudo-pacman-R-skill-issue/dns-server on toolchain 39605810efb1a0d52f955bfba9e4eec7a01d5deb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sudo-pacman-R-skill-issue/dns-server 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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 028feda2dda8c6073e5223b1e41cbe6ce8d24abda3a26a191c159d181c811322
[INFO] running `Command { std: "docker" "start" "-a" "028feda2dda8c6073e5223b1e41cbe6ce8d24abda3a26a191c159d181c811322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "028feda2dda8c6073e5223b1e41cbe6ce8d24abda3a26a191c159d181c811322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028feda2dda8c6073e5223b1e41cbe6ce8d24abda3a26a191c159d181c811322", kill_on_drop: false }`
[INFO] [stdout] 028feda2dda8c6073e5223b1e41cbe6ce8d24abda3a26a191c159d181c811322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdbab71b3d0413841d2198ae91e6a900917b9e635ecd9bb3358d58a7a40a5e26
[INFO] running `Command { std: "docker" "start" "-a" "bdbab71b3d0413841d2198ae91e6a900917b9e635ecd9bb3358d58a7a40a5e26", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking codecrafters-dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mem::discriminant`
[INFO] [stdout]  --> src/lib.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{mem::discriminant, net::Ipv4Addr};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `self` parameter type does not contain `Self`
[INFO] [stdout]    --> src/lib.rs:252:31
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn write_to_buf(self: &mut Dns, buffer: &mut BytePacketBuf) -> Result<()> {
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `&self`, `&mut self`, or `self: &Self` for correct lifetime elision
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #140611 <https://github.com/rust-lang/rust/issues/140611>
[INFO] [stdout]     = note: `#[deny(self_lifetime_elision_not_applicable)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Opcode` is more private than the item `Flags::opcode`
[INFO] [stdout]    --> src/lib.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub opcode:                 Opcode,      // 4 bits
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Flags::opcode` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Opcode` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/lib.rs:386:1
[INFO] [stdout]     |
[INFO] [stdout] 386 | enum Opcode {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_to_pos` is never used
[INFO] [stdout]   --> src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl BytePacketBuf {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn set_to_pos(&mut self, pos: usize) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `rtype`, `class`, `ttl`, and `len` are never read
[INFO] [stdout]    --> src/lib.rs:493:5
[INFO] [stdout]     |
[INFO] [stdout] 492 | pub struct ResourceRecord {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 493 |     name:  String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 494 |     rtype: QueryType,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 495 |     class: u16,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 496 |     ttl:   u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 497 |     len:   u16,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResourceRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `codecrafters-dns-server` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `mem::discriminant`
[INFO] [stdout]  --> src/lib.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{mem::discriminant, net::Ipv4Addr};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `self` parameter type does not contain `Self`
[INFO] [stdout]    --> src/lib.rs:252:31
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn write_to_buf(self: &mut Dns, buffer: &mut BytePacketBuf) -> Result<()> {
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `&self`, `&mut self`, or `self: &Self` for correct lifetime elision
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #140611 <https://github.com/rust-lang/rust/issues/140611>
[INFO] [stdout]     = note: `#[deny(self_lifetime_elision_not_applicable)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Opcode` is more private than the item `Flags::opcode`
[INFO] [stdout]    --> src/lib.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub opcode:                 Opcode,      // 4 bits
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Flags::opcode` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Opcode` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/lib.rs:386:1
[INFO] [stdout]     |
[INFO] [stdout] 386 | enum Opcode {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_to_pos` is never used
[INFO] [stdout]   --> src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl BytePacketBuf {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn set_to_pos(&mut self, pos: usize) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `rtype`, `class`, `ttl`, and `len` are never read
[INFO] [stdout]    --> src/lib.rs:493:5
[INFO] [stdout]     |
[INFO] [stdout] 492 | pub struct ResourceRecord {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 493 |     name:  String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 494 |     rtype: QueryType,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 495 |     class: u16,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 496 |     ttl:   u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 497 |     len:   u16,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResourceRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `codecrafters-dns-server` (lib) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bdbab71b3d0413841d2198ae91e6a900917b9e635ecd9bb3358d58a7a40a5e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdbab71b3d0413841d2198ae91e6a900917b9e635ecd9bb3358d58a7a40a5e26", kill_on_drop: false }`
[INFO] [stdout] bdbab71b3d0413841d2198ae91e6a900917b9e635ecd9bb3358d58a7a40a5e26