[INFO] fetching crate simple_mdns_client 3.0.0...
[INFO] testing simple_mdns_client-3.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate simple_mdns_client 3.0.0 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate simple_mdns_client 3.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_mdns_client 3.0.0
[INFO] finished tweaking crates.io crate simple_mdns_client 3.0.0
[INFO] tweaked toml for crates.io crate simple_mdns_client 3.0.0 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate crates.io crate simple_mdns_client 3.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded if-addrs-sys v0.3.2
[INFO] [stderr]   Downloaded if-addrs v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a0175932fa55f9b31886fbd92df22627a1538c58a84a87db1232bb8f7f4caca
[INFO] running `Command { std: "docker" "start" "-a" "8a0175932fa55f9b31886fbd92df22627a1538c58a84a87db1232bb8f7f4caca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a0175932fa55f9b31886fbd92df22627a1538c58a84a87db1232bb8f7f4caca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0175932fa55f9b31886fbd92df22627a1538c58a84a87db1232bb8f7f4caca", kill_on_drop: false }`
[INFO] [stdout] 8a0175932fa55f9b31886fbd92df22627a1538c58a84a87db1232bb8f7f4caca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29ea12d63ffd510df302ff13ad8ecdf4f103b105d09d66179afd97be889abd69
[INFO] running `Command { std: "docker" "start" "-a" "29ea12d63ffd510df302ff13ad8ecdf4f103b105d09d66179afd97be889abd69", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling if-addrs v0.6.5
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling simple_mdns_client v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "29ea12d63ffd510df302ff13ad8ecdf4f103b105d09d66179afd97be889abd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ea12d63ffd510df302ff13ad8ecdf4f103b105d09d66179afd97be889abd69", kill_on_drop: false }`
[INFO] [stdout] 29ea12d63ffd510df302ff13ad8ecdf4f103b105d09d66179afd97be889abd69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8f8c0442bc07162ffec2aa8dab5c6203f7479fc972e142ffcbe1ff41f01a0e1
[INFO] running `Command { std: "docker" "start" "-a" "c8f8c0442bc07162ffec2aa8dab5c6203f7479fc972e142ffcbe1ff41f01a0e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simple_mdns_client v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "c8f8c0442bc07162ffec2aa8dab5c6203f7479fc972e142ffcbe1ff41f01a0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f8c0442bc07162ffec2aa8dab5c6203f7479fc972e142ffcbe1ff41f01a0e1", kill_on_drop: false }`
[INFO] [stdout] c8f8c0442bc07162ffec2aa8dab5c6203f7479fc972e142ffcbe1ff41f01a0e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72c4328858fafcac34919adc2a36499d457ea64db8d44ac3c4405f30bec4d298
[INFO] running `Command { std: "docker" "start" "-a" "72c4328858fafcac34919adc2a36499d457ea64db8d44ac3c4405f30bec4d298", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_mdns_client-64612c109bd21b0b)
[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] [stderr]    Doc-tests simple_mdns_client
[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" "72c4328858fafcac34919adc2a36499d457ea64db8d44ac3c4405f30bec4d298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c4328858fafcac34919adc2a36499d457ea64db8d44ac3c4405f30bec4d298", kill_on_drop: false }`
[INFO] [stdout] 72c4328858fafcac34919adc2a36499d457ea64db8d44ac3c4405f30bec4d298