[INFO] updating cached repository https://github.com/bevensteven/dns-server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 89bb9f47d2e2e14637afc3aa98b44a4c071c05c2
[INFO] testing bevensteven/dns-server against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbevensteven%2Fdns-server" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bevensteven/dns-server on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bevensteven/dns-server
[INFO] finished tweaking git repo https://github.com/bevensteven/dns-server
[INFO] tweaked toml for git repo https://github.com/bevensteven/dns-server written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/bevensteven/dns-server already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ba40d186806674ef85f38a308f81cf1280b9903894c66822fe7906ca660cfb1
[INFO] running `"docker" "start" "-a" "9ba40d186806674ef85f38a308f81cf1280b9903894c66822fe7906ca660cfb1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `server`
[INFO] [stderr]   --> src/web/server.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let server = ("8.8.8.8", 53);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn write(&mut self, val: u8) -> Result<()> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_u8`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn write_u8(&mut self, val: u8) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_u16`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn write_u16(&mut self, val: u16) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_u32`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn write_u32(&mut self, val: u32) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn set(&mut self, pos: usize, val: u8) -> Result<()> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_u16`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn set_u16(&mut self, pos: usize, val: u16) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_qname`
[INFO] [stderr]    --> src/dns/byte_packet_buffer.rs:177:12
[INFO] [stderr]     |
[INFO] [stderr] 177 |     pub fn write_qname(&mut self, qname: &str) -> Result<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/dns_header.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/dns_packet.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_random_a`
[INFO] [stderr]   --> src/dns/dns_packet.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn get_random_a(&self) -> Option<String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_resolved_ns`
[INFO] [stderr]   --> src/dns/dns_packet.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn get_resolved_ns(&self, qname: &str) -> Option<String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_unresolved_ns`
[INFO] [stderr]    --> src/dns/dns_packet.rs:138:12
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn get_unresolved_ns(&self, qname: &str) -> Option<String> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/dns_question.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]    --> src/dns/dns_record.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<usize> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_num`
[INFO] [stderr]   --> src/dns/query_type.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn to_num(&self) -> u16 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `"docker" "inspect" "9ba40d186806674ef85f38a308f81cf1280b9903894c66822fe7906ca660cfb1"`
[INFO] running `"docker" "rm" "-f" "9ba40d186806674ef85f38a308f81cf1280b9903894c66822fe7906ca660cfb1"`
[INFO] [stdout] 9ba40d186806674ef85f38a308f81cf1280b9903894c66822fe7906ca660cfb1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e7f6bc7dc7077994295141630e2ea30479b24e4fcae51330a9794c6ec369529
[INFO] running `"docker" "start" "-a" "2e7f6bc7dc7077994295141630e2ea30479b24e4fcae51330a9794c6ec369529"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `server`
[INFO] [stderr]   --> src/web/server.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let server = ("8.8.8.8", 53);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server`
[INFO] [stderr]   --> src/web/server.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let server = ("8.8.8.8", 53);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn write(&mut self, val: u8) -> Result<()> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_u8`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn write_u8(&mut self, val: u8) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_u16`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn write_u16(&mut self, val: u16) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_u32`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn write_u32(&mut self, val: u32) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn set(&mut self, pos: usize, val: u8) -> Result<()> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_u16`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn set_u16(&mut self, pos: usize, val: u16) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_qname`
[INFO] [stderr]    --> src/dns/byte_packet_buffer.rs:177:12
[INFO] [stderr]     |
[INFO] [stderr] 177 |     pub fn write_qname(&mut self, qname: &str) -> Result<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/dns_header.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/dns_packet.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_random_a`
[INFO] [stderr]   --> src/dns/dns_packet.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn get_random_a(&self) -> Option<String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_resolved_ns`
[INFO] [stderr]   --> src/dns/dns_packet.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn get_resolved_ns(&self, qname: &str) -> Option<String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_unresolved_ns`
[INFO] [stderr]    --> src/dns/dns_packet.rs:138:12
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn get_unresolved_ns(&self, qname: &str) -> Option<String> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/dns_question.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]    --> src/dns/dns_record.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<usize> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_num`
[INFO] [stderr]   --> src/dns/query_type.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn to_num(&self) -> u16 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "2e7f6bc7dc7077994295141630e2ea30479b24e4fcae51330a9794c6ec369529"`
[INFO] running `"docker" "rm" "-f" "2e7f6bc7dc7077994295141630e2ea30479b24e4fcae51330a9794c6ec369529"`
[INFO] [stdout] 2e7f6bc7dc7077994295141630e2ea30479b24e4fcae51330a9794c6ec369529
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 51d2013937df92776b508c5db7289ef051892d8917ac545b650de77a882ff625
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "51d2013937df92776b508c5db7289ef051892d8917ac545b650de77a882ff625"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `server`
[INFO] [stderr]   --> src/web/server.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let server = ("8.8.8.8", 53);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server`
[INFO] [stderr]   --> src/web/server.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let server = ("8.8.8.8", 53);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn write(&mut self, val: u8) -> Result<()> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_u8`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn write_u8(&mut self, val: u8) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_u16`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn write_u16(&mut self, val: u16) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_u32`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn write_u32(&mut self, val: u32) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn set(&mut self, pos: usize, val: u8) -> Result<()> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_u16`
[INFO] [stderr]   --> src/dns/byte_packet_buffer.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn set_u16(&mut self, pos: usize, val: u16) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_qname`
[INFO] [stderr]    --> src/dns/byte_packet_buffer.rs:177:12
[INFO] [stderr]     |
[INFO] [stderr] 177 |     pub fn write_qname(&mut self, qname: &str) -> Result<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/dns_header.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/dns_packet.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_random_a`
[INFO] [stderr]   --> src/dns/dns_packet.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn get_random_a(&self) -> Option<String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_resolved_ns`
[INFO] [stderr]   --> src/dns/dns_packet.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn get_resolved_ns(&self, qname: &str) -> Option<String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_unresolved_ns`
[INFO] [stderr]    --> src/dns/dns_packet.rs:138:12
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn get_unresolved_ns(&self, qname: &str) -> Option<String> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/dns/dns_question.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]    --> src/dns/dns_record.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<usize> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_num`
[INFO] [stderr]   --> src/dns/query_type.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn to_num(&self) -> u16 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dns_server-4ab745776bc62db6
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dns_server-11f601e3791b19f4
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dns_server-c0db468f36b6a78d
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stub_resolver-462cfacab3f4e4fc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dns-server
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "51d2013937df92776b508c5db7289ef051892d8917ac545b650de77a882ff625"`
[INFO] running `"docker" "rm" "-f" "51d2013937df92776b508c5db7289ef051892d8917ac545b650de77a882ff625"`
[INFO] [stdout] 51d2013937df92776b508c5db7289ef051892d8917ac545b650de77a882ff625