[INFO] fetching crate dig-dns-discovery 0.4.2...
[INFO] testing dig-dns-discovery-0.4.2 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dig-dns-discovery 0.4.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dig-dns-discovery 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dig-dns-discovery 0.4.2
[INFO] tweaked toml for crates.io crate dig-dns-discovery 0.4.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dig-dns-discovery 0.4.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dig-dns-discovery 0.4.2 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9
[INFO] running `Command { std: "docker" "start" "d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
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[INFO] [stderr]    Compiling trust-dns-proto v0.23.2
[INFO] [stderr]    Compiling trust-dns-resolver v0.23.2
[INFO] [stderr]    Compiling dig-dns-discovery v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 50.57s
[INFO] running `Command { std: "docker" "inspect" "d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling log v0.4.33
[INFO] [stderr]    Compiling lazy_static v1.5.0
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[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
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[INFO] [stderr]    Compiling tracing v0.1.44
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[INFO] [stderr]    Compiling trust-dns-proto v0.23.2
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling trust-dns-resolver v0.23.2
[INFO] [stderr]    Compiling dig-dns-discovery v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 23.87s
[INFO] running `Command { std: "docker" "inspect" "d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/dig-dns-discovery/9f36d29623b91dea/out/dig_dns_discovery-9f36d29623b91dea)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_peer_address_formatting ... ok
[INFO] [stdout] test tests::test_ipv6_resolution ... ok
[INFO] [stdout] test tests::test_discovery_result_operations ... ok
[INFO] [stdout] test tests::test_dns_discovery_creation ... ok
[INFO] [stdout] test tests::test_ipv4_resolution ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_ipv4_resolution stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_ipv4_resolution' (1914) panicked at src/lib.rs:288:9:
[INFO] [stdout] assertion failed: result.is_ok()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fa0c5af0a81 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5fa0c5b06e5a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5fa0c5af4eac - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5fa0c5acc5c6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5fa0c5ae8e09 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5fa0c59e2e30 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5fa0c5ae9132 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5fa0c5acc6a4 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5fa0c5ac5389 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5fa0c5acd27d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5fa0c5b075bc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5fa0c5b07582 - core[a373ad73a504971]::panicking::panic
[INFO] [stdout]   12:     0x5fa0c59b3928 - dig_dns_discovery[19c7649a3a0790be]::tests::test_ipv4_resolution::{closure#0}
[INFO] [stdout]   13:     0x5fa0c59bef33 - <tokio[878e2c87c247299e]::runtime::scheduler::current_thread::Context>::enter::<core[a373ad73a504971]::task::poll::Poll<()>, <tokio[878e2c87c247299e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[a373ad73a504971]::pin::Pin<&mut core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}>
[INFO] [stdout]   14:     0x5fa0c59cdf7c - <tokio[878e2c87c247299e]::runtime::context::scoped::Scoped<tokio[878e2c87c247299e]::runtime::scheduler::Context>>::set::<<tokio[878e2c87c247299e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[878e2c87c247299e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[a373ad73a504971]::pin::Pin<&mut core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>>::{closure#0}, core[a373ad73a504971]::option::Option<()>>::{closure#0}, (alloc[2e1b2a31b91974c5]::boxed::Box<tokio[878e2c87c247299e]::runtime::scheduler::current_thread::Core>, core[a373ad73a504971]::option::Option<()>)>
[INFO] [stdout]   15:     0x5fa0c59bf2d7 - <tokio[878e2c87c247299e]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[a373ad73a504971]::pin::Pin<&mut core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>>
[INFO] [stdout]   16:     0x5fa0c59adb8d - tokio[878e2c87c247299e]::runtime::context::runtime::enter_runtime::<<tokio[878e2c87c247299e]::runtime::scheduler::current_thread::CurrentThread>::block_on<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>::{closure#0}, ()>
[INFO] [stdout]   17:     0x5fa0c59bee15 - <tokio[878e2c87c247299e]::runtime::runtime::Runtime>::block_on::<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>
[INFO] [stdout]   18:     0x5fa0c59b604e - <dig_dns_discovery[19c7649a3a0790be]::tests::test_ipv4_resolution::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   19:     0x5fa0c59d627b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   20:     0x5fa0c59e3455 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   21:     0x5fa0c59dcd44 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   22:     0x5fa0c59e64e2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   23:     0x5fa0c5af029f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   24:     0x754243efddfa - <unknown>
[INFO] [stdout]   25:     0x754243f913d4 - clone
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_ipv4_resolution
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9", kill_on_drop: false }`
[INFO] [stdout] d457fb2d7ea6719a235397db505ccb2529bd177837151a2556a1549b916530b9
