[INFO] cloning 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" "clone" "--bare" "https://github.com/aldrio/passthrough-dns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldrio%2Fpassthrough-dns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldrio%2Fpassthrough-dns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dddb7c46525225c410d0fac90e4a7bc23b75affd
[INFO] checking aldrio/passthrough-dns against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldrio%2Fpassthrough-dns" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aldrio/passthrough-dns on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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-4/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.0
[INFO] [stderr]   Downloaded tokio v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0b23e6787f44fd2fb5deefeacf483d36d1f167144d9285c737b72a03a09a676
[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" "e0b23e6787f44fd2fb5deefeacf483d36d1f167144d9285c737b72a03a09a676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0b23e6787f44fd2fb5deefeacf483d36d1f167144d9285c737b72a03a09a676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b23e6787f44fd2fb5deefeacf483d36d1f167144d9285c737b72a03a09a676", kill_on_drop: false }`
[INFO] [stdout] e0b23e6787f44fd2fb5deefeacf483d36d1f167144d9285c737b72a03a09a676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98b6f229367dea66fd49195b9d302ae04364e021db2358c5737e35b2beee7094
[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" "98b6f229367dea66fd49195b9d302ae04364e021db2358c5737e35b2beee7094", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[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: 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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.21s
[INFO] running `Command { std: "docker" "inspect" "98b6f229367dea66fd49195b9d302ae04364e021db2358c5737e35b2beee7094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b6f229367dea66fd49195b9d302ae04364e021db2358c5737e35b2beee7094", kill_on_drop: false }`
[INFO] [stdout] 98b6f229367dea66fd49195b9d302ae04364e021db2358c5737e35b2beee7094