[INFO] fetching crate libp2p-mdns 0.31.0...
[INFO] testing libp2p-mdns-0.31.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate libp2p-mdns 0.31.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libp2p-mdns 0.31.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aba836d5623c383b79134715ebd0acecff2f281ae09152425bda7208cd8148df
[INFO] running `Command { std: "docker" "start" "-a" "aba836d5623c383b79134715ebd0acecff2f281ae09152425bda7208cd8148df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aba836d5623c383b79134715ebd0acecff2f281ae09152425bda7208cd8148df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba836d5623c383b79134715ebd0acecff2f281ae09152425bda7208cd8148df", kill_on_drop: false }`
[INFO] [stdout] aba836d5623c383b79134715ebd0acecff2f281ae09152425bda7208cd8148df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab8af7965695d01178298024159eb814614b5f42b1ecaed2e4c428d7fe5943b5
[INFO] running `Command { std: "docker" "start" "-a" "ab8af7965695d01178298024159eb814614b5f42b1ecaed2e4c428d7fe5943b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling if-watch v0.2.2
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[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 14.24s
[INFO] running `Command { std: "docker" "inspect" "ab8af7965695d01178298024159eb814614b5f42b1ecaed2e4c428d7fe5943b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8af7965695d01178298024159eb814614b5f42b1ecaed2e4c428d7fe5943b5", kill_on_drop: false }`
[INFO] [stdout] ab8af7965695d01178298024159eb814614b5f42b1ecaed2e4c428d7fe5943b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ae1f107740c22d8fd67f839e85cccff829a6519b1037915cd0ed63d9a52e82c
[INFO] running `Command { std: "docker" "start" "-a" "0ae1f107740c22d8fd67f839e85cccff829a6519b1037915cd0ed63d9a52e82c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling if-addrs v0.6.5
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling multistream-select v0.10.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling libp2p-core v0.29.0
[INFO] [stderr]    Compiling if-watch v0.2.2
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.9.0
[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 19.54s
[INFO] running `Command { std: "docker" "inspect" "0ae1f107740c22d8fd67f839e85cccff829a6519b1037915cd0ed63d9a52e82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae1f107740c22d8fd67f839e85cccff829a6519b1037915cd0ed63d9a52e82c", kill_on_drop: false }`
[INFO] [stdout] 0ae1f107740c22d8fd67f839e85cccff829a6519b1037915cd0ed63d9a52e82c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 849bcd27857acc34e5e51322f2c38ffbd17dec6b0fea714ade25c678b95c94bf
[INFO] running `Command { std: "docker" "start" "-a" "849bcd27857acc34e5e51322f2c38ffbd17dec6b0fea714ade25c678b95c94bf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libp2p_mdns-20d884cd0480900a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test dns::tests::build_service_discovery_response_correct ... ok
[INFO] [stdout] test dns::tests::build_query_correct ... ok
[INFO] [stdout] test dns::tests::build_query_response_correct ... ok
[INFO] [stdout] test dns::tests::test_segment_peer_id ... 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" "849bcd27857acc34e5e51322f2c38ffbd17dec6b0fea714ade25c678b95c94bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849bcd27857acc34e5e51322f2c38ffbd17dec6b0fea714ade25c678b95c94bf", kill_on_drop: false }`
[INFO] [stdout] 849bcd27857acc34e5e51322f2c38ffbd17dec6b0fea714ade25c678b95c94bf