[INFO] cloning repository https://github.com/oyoshot/toy-dns-resolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oyoshot/toy-dns-resolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foyoshot%2Ftoy-dns-resolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foyoshot%2Ftoy-dns-resolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b63a34f957f1642045a8a388b7786ffafd964a7
[INFO] testing oyoshot/toy-dns-resolver against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foyoshot%2Ftoy-dns-resolver" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oyoshot/toy-dns-resolver
[INFO] finished tweaking git repo https://github.com/oyoshot/toy-dns-resolver
[INFO] tweaked toml for git repo https://github.com/oyoshot/toy-dns-resolver written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oyoshot/toy-dns-resolver on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/oyoshot/toy-dns-resolver 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy v0.6.5
[INFO] [stderr]   Downloaded zerocopy-derive v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bcf406c2b7a73c6810ba842b73d57276a5c5fdd5ad16844eaf0258b664d0455
[INFO] running `Command { std: "docker" "start" "-a" "7bcf406c2b7a73c6810ba842b73d57276a5c5fdd5ad16844eaf0258b664d0455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bcf406c2b7a73c6810ba842b73d57276a5c5fdd5ad16844eaf0258b664d0455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bcf406c2b7a73c6810ba842b73d57276a5c5fdd5ad16844eaf0258b664d0455", kill_on_drop: false }`
[INFO] [stdout] 7bcf406c2b7a73c6810ba842b73d57276a5c5fdd5ad16844eaf0258b664d0455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 019baded259b5e184cef5c8a924fcbdbfa8a38f040a124c0d3ea92bb3828f0ae
[INFO] running `Command { std: "docker" "start" "-a" "019baded259b5e184cef5c8a924fcbdbfa8a38f040a124c0d3ea92bb3828f0ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling winnow v0.5.17
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling zerocopy-derive v0.6.5
[INFO] [stderr]    Compiling zerocopy v0.6.5
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]    Compiling num_enum v0.6.1
[INFO] [stderr]    Compiling toy-dns-resolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `kind`, `class`, and `ttl` are never read
[INFO] [stdout]    --> src/libs.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 222 | pub struct DnsRecord {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 223 |     name: Vec<u8>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 224 |     kind: RecordType,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 225 |     class: Class,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 226 |     ttl: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DnsRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header`, `questions`, `authorities`, and `additional` are never read
[INFO] [stdout]    --> src/libs.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 263 | struct DnsPacket {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 264 |     pub header: DnsHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 265 |     pub questions: Vec<DnsQuestion>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 266 |     pub answers: Vec<DnsRecord>,
[INFO] [stdout] 267 |     pub authorities: Vec<DnsRecord>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 268 |     pub additional: Vec<DnsRecord>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DnsPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `Command { std: "docker" "inspect" "019baded259b5e184cef5c8a924fcbdbfa8a38f040a124c0d3ea92bb3828f0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019baded259b5e184cef5c8a924fcbdbfa8a38f040a124c0d3ea92bb3828f0ae", kill_on_drop: false }`
[INFO] [stdout] 019baded259b5e184cef5c8a924fcbdbfa8a38f040a124c0d3ea92bb3828f0ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 209d585d36224b24431be6090a9fa36617e03d7c27502947ad1a8c747ec9a4ed
[INFO] running `Command { std: "docker" "start" "-a" "209d585d36224b24431be6090a9fa36617e03d7c27502947ad1a8c747ec9a4ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy-dns-resolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `kind`, `class`, and `ttl` are never read
[INFO] [stdout]    --> src/libs.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 222 | pub struct DnsRecord {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 223 |     name: Vec<u8>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 224 |     kind: RecordType,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 225 |     class: Class,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 226 |     ttl: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DnsRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header`, `questions`, `authorities`, and `additional` are never read
[INFO] [stdout]    --> src/libs.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 263 | struct DnsPacket {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 264 |     pub header: DnsHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 265 |     pub questions: Vec<DnsQuestion>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 266 |     pub answers: Vec<DnsRecord>,
[INFO] [stdout] 267 |     pub authorities: Vec<DnsRecord>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 268 |     pub additional: Vec<DnsRecord>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DnsPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "209d585d36224b24431be6090a9fa36617e03d7c27502947ad1a8c747ec9a4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209d585d36224b24431be6090a9fa36617e03d7c27502947ad1a8c747ec9a4ed", kill_on_drop: false }`
[INFO] [stdout] 209d585d36224b24431be6090a9fa36617e03d7c27502947ad1a8c747ec9a4ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c75e090cdf126a3041695f2aed2412a1f061b774eb53c9cb513fba611fa64011
[INFO] running `Command { std: "docker" "start" "-a" "c75e090cdf126a3041695f2aed2412a1f061b774eb53c9cb513fba611fa64011", kill_on_drop: false }`
[INFO] [stderr] warning: fields `name`, `kind`, `class`, and `ttl` are never read
[INFO] [stderr]    --> src/libs.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 222 | pub struct DnsRecord {
[INFO] [stderr]     |            --------- fields in this struct
[INFO] [stderr] 223 |     name: Vec<u8>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 224 |     kind: RecordType,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 225 |     class: Class,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 226 |     ttl: u32,
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `DnsRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `header`, `questions`, `authorities`, and `additional` are never read
[INFO] [stderr]    --> src/libs.rs:264:9
[INFO] [stderr]     |
[INFO] [stderr] 263 | struct DnsPacket {
[INFO] [stderr]     |        --------- fields in this struct
[INFO] [stderr] 264 |     pub header: DnsHeader,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 265 |     pub questions: Vec<DnsQuestion>,
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 266 |     pub answers: Vec<DnsRecord>,
[INFO] [stderr] 267 |     pub authorities: Vec<DnsRecord>,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 268 |     pub additional: Vec<DnsRecord>,
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `DnsPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `toy-dns-resolver` (bin "toy-dns-resolver" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/toy_dns_resolver-e0cad230aff01000)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test libs::test::test_encode_dns_name ... ok
[INFO] [stdout] test libs::test::test_header ... ok
[INFO] [stdout] test libs::test::test_decode_name ... ok
[INFO] [stdout] test libs::test::test_build_query ... ok
[INFO] [stdout] test libs::test::send_udp_request_to_google_dns_resolver ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- libs::test::send_udp_request_to_google_dns_resolver stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'libs::test::send_udp_request_to_google_dns_resolver' (24) panicked at src/libs.rs:339:49:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 101, kind: NetworkUnreachable, message: "Network is unreachable" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x652d8b42b1a2 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x652d8b42b1a2 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x652d8b42b1a2 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x652d8b42b1a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x652d8b43ba07 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x652d8b43ba07 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x652d8b3f93d6 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x652d8b3f93d6 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x652d8b40a3e9 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x652d8b40a3e9 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x652d8b40a281 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x652d8b393b7e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x652d8b393b7e - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x652d8b40a662 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x652d8b40a662 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x652d8b40a4a8 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x652d8b405a79 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x652d8b3ee19d - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x652d8b443cfc - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x652d8b443542 - core::result::unwrap_failed::h23873bb39ca9a844
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x652d8b371269 - core::result::Result<T,E>::unwrap::hb70fd1f66f9b9d67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x652d8b371269 - toy_dns_resolver::libs::test::send_udp_request_to_google_dns_resolver::h72802c2723c06085
[INFO] [stdout]                                at /opt/rustwide/workdir/src/libs.rs:339:49
[INFO] [stdout]   22:     0x652d8b371917 - toy_dns_resolver::libs::test::send_udp_request_to_google_dns_resolver::{{closure}}::hb5c95d25ec98d0c9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/libs.rs:336:49
[INFO] [stdout]   23:     0x652d8b372476 - core::ops::function::FnOnce::call_once::hd45099aa202c64ba
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x652d8b3939ab - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x652d8b3939ab - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x652d8b3a733a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x652d8b3a733a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x652d8b3a733a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x652d8b3a733a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x652d8b3a733a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x652d8b3a733a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x652d8b3a733a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x652d8b3815d4 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x652d8b3815d4 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   35:     0x652d8b384f02 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   36:     0x652d8b384f02 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x652d8b384f02 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x652d8b384f02 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x652d8b384f02 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x652d8b384f02 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   41:     0x652d8b384f02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x652d8b40110f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x652d8b40110f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x77f21911eaa4 - <unknown>
[INFO] [stdout]   45:     0x77f2191aba64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     libs::test::send_udp_request_to_google_dns_resolver
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin toy-dns-resolver`
[INFO] running `Command { std: "docker" "inspect" "c75e090cdf126a3041695f2aed2412a1f061b774eb53c9cb513fba611fa64011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c75e090cdf126a3041695f2aed2412a1f061b774eb53c9cb513fba611fa64011", kill_on_drop: false }`
[INFO] [stdout] c75e090cdf126a3041695f2aed2412a1f061b774eb53c9cb513fba611fa64011
