[INFO] updating cached repository https://github.com/aldrio/passthrough-dns
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dddb7c46525225c410d0fac90e4a7bc23b75affd
[INFO] checking aldrio/passthrough-dns against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldrio%2Fpassthrough-dns" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aldrio/passthrough-dns on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aldrio/passthrough-dns
[INFO] finished tweaking git repo https://github.com/aldrio/passthrough-dns
[INFO] tweaked toml for git repo https://github.com/aldrio/passthrough-dns written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/aldrio/passthrough-dns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 752135dd8332f9f962a5efcd9d0d3d1788c05da5919b68f44c8d64d81215c9dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "752135dd8332f9f962a5efcd9d0d3d1788c05da5919b68f44c8d64d81215c9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "752135dd8332f9f962a5efcd9d0d3d1788c05da5919b68f44c8d64d81215c9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752135dd8332f9f962a5efcd9d0d3d1788c05da5919b68f44c8d64d81215c9dc", kill_on_drop: false }`
[INFO] [stdout] 752135dd8332f9f962a5efcd9d0d3d1788c05da5919b68f44c8d64d81215c9dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7417630587f506d42e9e4022626b83edeb6a5a11b0f9a71319fa335b616b3a5f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7417630587f506d42e9e4022626b83edeb6a5a11b0f9a71319fa335b616b3a5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking passthrough-dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/dns/buffer.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn new(stream: &'a mut T) -> StreamPacketBuffer<'_, T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_querytype`
[INFO] [stdout]    --> src/dns/protocol.rs:517:12
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn get_querytype(&self) -> QueryType {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_domain`
[INFO] [stdout]    --> src/dns/protocol.rs:532:12
[INFO] [stdout]     |
[INFO] [stdout] 532 |     pub fn get_domain(&self) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ttl`
[INFO] [stdout]    --> src/dns/protocol.rs:547:12
[INFO] [stdout]     |
[INFO] [stdout] 547 |     pub fn get_ttl(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ttl_from_soa`
[INFO] [stdout]    --> src/dns/protocol.rs:887:12
[INFO] [stdout]     |
[INFO] [stdout] 887 |     pub fn get_ttl_from_soa(&self) -> Option<u32> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random_a`
[INFO] [stdout]    --> src/dns/protocol.rs:897:12
[INFO] [stdout]     |
[INFO] [stdout] 897 |     pub fn get_random_a(&self) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_unresolved_cnames`
[INFO] [stdout]    --> src/dns/protocol.rs:909:12
[INFO] [stdout]     |
[INFO] [stdout] 909 |     pub fn get_unresolved_cnames(&self) -> Vec<DnsRecord> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_resolved_ns`
[INFO] [stdout]    --> src/dns/protocol.rs:932:12
[INFO] [stdout]     |
[INFO] [stdout] 932 |     pub fn get_resolved_ns(&self, qname: &str) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_unresolved_ns`
[INFO] [stdout]    --> src/dns/protocol.rs:978:12
[INFO] [stdout]     |
[INFO] [stdout] 978 |     pub fn get_unresolved_ns(&self, qname: &str) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/dns/buffer.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn new(stream: &'a mut T) -> StreamPacketBuffer<'_, T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_querytype`
[INFO] [stdout]    --> src/dns/protocol.rs:517:12
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn get_querytype(&self) -> QueryType {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_domain`
[INFO] [stdout]    --> src/dns/protocol.rs:532:12
[INFO] [stdout]     |
[INFO] [stdout] 532 |     pub fn get_domain(&self) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ttl`
[INFO] [stdout]    --> src/dns/protocol.rs:547:12
[INFO] [stdout]     |
[INFO] [stdout] 547 |     pub fn get_ttl(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ttl_from_soa`
[INFO] [stdout]    --> src/dns/protocol.rs:887:12
[INFO] [stdout]     |
[INFO] [stdout] 887 |     pub fn get_ttl_from_soa(&self) -> Option<u32> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random_a`
[INFO] [stdout]    --> src/dns/protocol.rs:897:12
[INFO] [stdout]     |
[INFO] [stdout] 897 |     pub fn get_random_a(&self) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_unresolved_cnames`
[INFO] [stdout]    --> src/dns/protocol.rs:909:12
[INFO] [stdout]     |
[INFO] [stdout] 909 |     pub fn get_unresolved_cnames(&self) -> Vec<DnsRecord> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_resolved_ns`
[INFO] [stdout]    --> src/dns/protocol.rs:932:12
[INFO] [stdout]     |
[INFO] [stdout] 932 |     pub fn get_resolved_ns(&self, qname: &str) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_unresolved_ns`
[INFO] [stdout]    --> src/dns/protocol.rs:978:12
[INFO] [stdout]     |
[INFO] [stdout] 978 |     pub fn get_unresolved_ns(&self, qname: &str) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.08s
[INFO] running `Command { std: "docker" "inspect" "7417630587f506d42e9e4022626b83edeb6a5a11b0f9a71319fa335b616b3a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7417630587f506d42e9e4022626b83edeb6a5a11b0f9a71319fa335b616b3a5f", kill_on_drop: false }`
[INFO] [stdout] 7417630587f506d42e9e4022626b83edeb6a5a11b0f9a71319fa335b616b3a5f