[INFO] fetching crate dns-resolver 0.2.14...
[INFO] testing dns-resolver-0.2.14 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate dns-resolver 0.2.14 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dns-resolver 0.2.14
[INFO] finished tweaking crates.io crate dns-resolver 0.2.14
[INFO] tweaked toml for crates.io crate dns-resolver 0.2.14 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dns-resolver 0.2.14 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dns-resolver 0.2.14 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ce157b9d77b46bb039eaaec399b05c2fb4607a517ef75de9218a9d96ff3bb23
[INFO] running `Command { std: "docker" "start" "-a" "8ce157b9d77b46bb039eaaec399b05c2fb4607a517ef75de9218a9d96ff3bb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ce157b9d77b46bb039eaaec399b05c2fb4607a517ef75de9218a9d96ff3bb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce157b9d77b46bb039eaaec399b05c2fb4607a517ef75de9218a9d96ff3bb23", kill_on_drop: false }`
[INFO] [stdout] 8ce157b9d77b46bb039eaaec399b05c2fb4607a517ef75de9218a9d96ff3bb23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9edc28c36cc61fec2073655daefbf5d638f19077070f993755243b24c83dfd7
[INFO] running `Command { std: "docker" "start" "-a" "a9edc28c36cc61fec2073655daefbf5d638f19077070f993755243b24c83dfd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling io-uring v0.6.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling async-task v4.5.0
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling lru_time_cache v0.11.11
[INFO] [stderr]    Compiling octseq v0.3.1
[INFO] [stderr]    Compiling deranged v0.3.10
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling time v0.3.30
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling slings v0.3.46
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling domain v0.9.2
[INFO] [stderr]    Compiling dns-resolver v0.2.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:454:17
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn iter(&self) -> ServerListIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn iter(&self) -> ServerListIter<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: domain v0.9.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a9edc28c36cc61fec2073655daefbf5d638f19077070f993755243b24c83dfd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9edc28c36cc61fec2073655daefbf5d638f19077070f993755243b24c83dfd7", kill_on_drop: false }`
[INFO] [stdout] a9edc28c36cc61fec2073655daefbf5d638f19077070f993755243b24c83dfd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0a02b0822c8db35e27a19ebefe4b7348701cd81e8108c8f1a5372e5871d1e6a
[INFO] running `Command { std: "docker" "start" "-a" "e0a02b0822c8db35e27a19ebefe4b7348701cd81e8108c8f1a5372e5871d1e6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling dns-resolver v0.2.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:454:17
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn iter(&self) -> ServerListIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn iter(&self) -> ServerListIter<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dns_resolver::Resolver`
[INFO] [stdout]  --> examples/awak.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dns_resolver::Resolver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> examples/awak.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:454:17
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn iter(&self) -> ServerListIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn iter(&self) -> ServerListIter<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: domain v0.9.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "e0a02b0822c8db35e27a19ebefe4b7348701cd81e8108c8f1a5372e5871d1e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a02b0822c8db35e27a19ebefe4b7348701cd81e8108c8f1a5372e5871d1e6a", kill_on_drop: false }`
[INFO] [stdout] e0a02b0822c8db35e27a19ebefe4b7348701cd81e8108c8f1a5372e5871d1e6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc7e621cec028751cb4e91f8160a5ed4c8692a8026107204cf9c8ed0c8ba47e4
[INFO] running `Command { std: "docker" "start" "-a" "dc7e621cec028751cb4e91f8160a5ed4c8692a8026107204cf9c8ed0c8ba47e4", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:454:17
[INFO] [stderr]     |
[INFO] [stderr] 454 |     pub fn iter(&self) -> ServerListIter {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 454 |     pub fn iter(&self) -> ServerListIter<'_> {
[INFO] [stderr]     |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dns-resolver` (lib) generated 1 warning (run `cargo fix --lib -p dns-resolver` to apply 1 suggestion)
[INFO] [stderr] warning: `dns-resolver` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused import: `dns_resolver::Resolver`
[INFO] [stderr]  --> examples/awak.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use dns_resolver::Resolver;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> examples/awak.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dns-resolver` (example "awak") generated 2 warnings (run `cargo fix --example "awak" -p dns-resolver` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: domain v0.9.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dns_resolver-83ce70761d2324f2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test conf::test::parse_resolv_conf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dns_resolver
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc7e621cec028751cb4e91f8160a5ed4c8692a8026107204cf9c8ed0c8ba47e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7e621cec028751cb4e91f8160a5ed4c8692a8026107204cf9c8ed0c8ba47e4", kill_on_drop: false }`
[INFO] [stdout] dc7e621cec028751cb4e91f8160a5ed4c8692a8026107204cf9c8ed0c8ba47e4