[INFO] fetching crate libp2p-mdns 0.31.0...
[INFO] testing libp2p-mdns-0.31.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate libp2p-mdns 0.31.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate libp2p-mdns 0.31.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-mdns 0.31.0
[INFO] finished tweaking crates.io crate libp2p-mdns 0.31.0
[INFO] tweaked toml for crates.io crate libp2p-mdns 0.31.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23981e18ed1e19015724a05f4a292f94b217bd959deaada12541fd5e12f14ea8
[INFO] running `Command { std: "docker" "start" "-a" "23981e18ed1e19015724a05f4a292f94b217bd959deaada12541fd5e12f14ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23981e18ed1e19015724a05f4a292f94b217bd959deaada12541fd5e12f14ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23981e18ed1e19015724a05f4a292f94b217bd959deaada12541fd5e12f14ea8", kill_on_drop: false }`
[INFO] [stdout] 23981e18ed1e19015724a05f4a292f94b217bd959deaada12541fd5e12f14ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 414eb44ecd5870d6b9c10d1eaed2c1f3273a767fedb210301aeb308b8a37d201
[INFO] running `Command { std: "docker" "start" "-a" "414eb44ecd5870d6b9c10d1eaed2c1f3273a767fedb210301aeb308b8a37d201", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling if-watch v0.2.2
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling multistream-select v0.10.2
[INFO] [stderr]    Compiling wasm-timer v0.2.5
[INFO] [stderr]    Compiling libp2p-core v0.29.0
[INFO] [stderr]    Compiling libp2p-swarm v0.30.0
[INFO] [stderr]    Compiling libp2p-mdns v0.31.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.07s
[INFO] running `Command { std: "docker" "inspect" "414eb44ecd5870d6b9c10d1eaed2c1f3273a767fedb210301aeb308b8a37d201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414eb44ecd5870d6b9c10d1eaed2c1f3273a767fedb210301aeb308b8a37d201", kill_on_drop: false }`
[INFO] [stdout] 414eb44ecd5870d6b9c10d1eaed2c1f3273a767fedb210301aeb308b8a37d201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c865a5558dc416374dfa10f7ed398b9b8cf19041a008a114c649cce9aad1dab
[INFO] running `Command { std: "docker" "start" "-a" "2c865a5558dc416374dfa10f7ed398b9b8cf19041a008a114c649cce9aad1dab", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling if-addrs v0.6.6
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling if-watch v0.2.2
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling multistream-select v0.10.2
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling wasm-timer v0.2.5
[INFO] [stderr]    Compiling libp2p-core v0.29.0
[INFO] [stderr]    Compiling libp2p-swarm v0.30.0
[INFO] [stderr]    Compiling libp2p-mdns v0.31.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.05s
[INFO] running `Command { std: "docker" "inspect" "2c865a5558dc416374dfa10f7ed398b9b8cf19041a008a114c649cce9aad1dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c865a5558dc416374dfa10f7ed398b9b8cf19041a008a114c649cce9aad1dab", kill_on_drop: false }`
[INFO] [stdout] 2c865a5558dc416374dfa10f7ed398b9b8cf19041a008a114c649cce9aad1dab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 398d68c4a8f8f8c1073cf6b2ad7e2059daf90b69f237d6a63f828b7b83ff4c48
[INFO] running `Command { std: "docker" "start" "-a" "398d68c4a8f8f8c1073cf6b2ad7e2059daf90b69f237d6a63f828b7b83ff4c48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libp2p_mdns-ba27356d99c16c12)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test dns::tests::build_query_correct ... ok
[INFO] [stdout] test dns::tests::test_segment_peer_id ... ok
[INFO] [stdout] test dns::tests::build_service_discovery_response_correct ... ok
[INFO] [stdout] test dns::tests::build_query_response_correct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libp2p-mdns
[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" "398d68c4a8f8f8c1073cf6b2ad7e2059daf90b69f237d6a63f828b7b83ff4c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "398d68c4a8f8f8c1073cf6b2ad7e2059daf90b69f237d6a63f828b7b83ff4c48", kill_on_drop: false }`
[INFO] [stdout] 398d68c4a8f8f8c1073cf6b2ad7e2059daf90b69f237d6a63f828b7b83ff4c48