[INFO] cloning repository https://github.com/kanapuli/rdns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kanapuli/rdns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanapuli%2Frdns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanapuli%2Frdns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a12f7ef0d5578d2219037f6a55a40e35a2b7fbd
[INFO] checking kanapuli/rdns against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanapuli%2Frdns" "/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/kanapuli/rdns
[INFO] finished tweaking git repo https://github.com/kanapuli/rdns
[INFO] tweaked toml for git repo https://github.com/kanapuli/rdns written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kanapuli/rdns on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kanapuli/rdns 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b236d5219ce9524454c57d43a06274976856b01b304421cf6135543adb3ca6d7
[INFO] running `Command { std: "docker" "start" "-a" "b236d5219ce9524454c57d43a06274976856b01b304421cf6135543adb3ca6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b236d5219ce9524454c57d43a06274976856b01b304421cf6135543adb3ca6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b236d5219ce9524454c57d43a06274976856b01b304421cf6135543adb3ca6d7", kill_on_drop: false }`
[INFO] [stdout] b236d5219ce9524454c57d43a06274976856b01b304421cf6135543adb3ca6d7
[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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1fa4fa441e6e4bbc64b2502ac792800037f836de60fcb7b72160e7a4aa08572
[INFO] running `Command { std: "docker" "start" "-a" "b1fa4fa441e6e4bbc64b2502ac792800037f836de60fcb7b72160e7a4aa08572", kill_on_drop: false }`
[INFO] [stderr]     Checking rdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `DNSPacketBuffer` is never constructed
[INFO] [stdout]   --> src/main.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct DNSPacketBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buffer` and `position` are never read
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct DNSPacketBuffer {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 32 |     buffer: [u8; 512],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     position: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl DNSPacketBuffer {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 37 |     //new() gives a fresh buffer to hold the DNS packet contents and relative position
[INFO] [stdout] 38 |     fn new() -> DNSPacketBuffer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn position(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn step(&mut self, step: usize) -> Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn seek(&mut self, seek: usize) -> Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn read(&mut self) -> Result<u8> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn get(&mut self, pos: usize) -> Result<u8> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn get_range(&mut self, start: usize, len: usize) -> Result<&[u8]> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn read_u16(&mut self) -> Result<u16> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     fn read_u32(&mut self) -> Result<u32> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn read_qname(&mut self, outstr: &mut String) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `DNSPacketBuffer` is never constructed
[INFO] [stdout]   --> src/main.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct DNSPacketBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buffer` and `position` are never read
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct DNSPacketBuffer {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 32 |     buffer: [u8; 512],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     position: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl DNSPacketBuffer {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 37 |     //new() gives a fresh buffer to hold the DNS packet contents and relative position
[INFO] [stdout] 38 |     fn new() -> DNSPacketBuffer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn position(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn step(&mut self, step: usize) -> Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn seek(&mut self, seek: usize) -> Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn read(&mut self) -> Result<u8> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn get(&mut self, pos: usize) -> Result<u8> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn get_range(&mut self, start: usize, len: usize) -> Result<&[u8]> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn read_u16(&mut self) -> Result<u16> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     fn read_u32(&mut self) -> Result<u32> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn read_qname(&mut self, outstr: &mut String) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rdns` (bin "rdns") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rdns` (bin "rdns" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b1fa4fa441e6e4bbc64b2502ac792800037f836de60fcb7b72160e7a4aa08572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1fa4fa441e6e4bbc64b2502ac792800037f836de60fcb7b72160e7a4aa08572", kill_on_drop: false }`
[INFO] [stdout] b1fa4fa441e6e4bbc64b2502ac792800037f836de60fcb7b72160e7a4aa08572
