[INFO] fetching crate mdns 1.1.0...
[INFO] testing mdns-1.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mdns 1.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mdns 1.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdns 1.1.0
[INFO] finished tweaking crates.io crate mdns 1.1.0
[INFO] tweaked toml for crates.io crate mdns 1.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mdns 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16c6f6c50f2df8bed9ccc75035947b6524fdad08a4a26242ae808775dca42d23
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16c6f6c50f2df8bed9ccc75035947b6524fdad08a4a26242ae808775dca42d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16c6f6c50f2df8bed9ccc75035947b6524fdad08a4a26242ae808775dca42d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c6f6c50f2df8bed9ccc75035947b6524fdad08a4a26242ae808775dca42d23", kill_on_drop: false }`
[INFO] [stdout] 16c6f6c50f2df8bed9ccc75035947b6524fdad08a4a26242ae808775dca42d23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0a38d1c52cabefc06d753a2183fc2c061896627c70e66083886c332b15aa8dd5
[INFO] running `Command { std: "docker" "start" "-a" "0a38d1c52cabefc06d753a2183fc2c061896627c70e66083886c332b15aa8dd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling async-stream-impl v0.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.5
[INFO] [stderr]    Compiling err-derive v0.2.2
[INFO] [stderr]    Compiling tokio v0.2.10
[INFO] [stderr]    Compiling async-stream v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling mdns v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.28s
[INFO] running `Command { std: "docker" "inspect" "0a38d1c52cabefc06d753a2183fc2c061896627c70e66083886c332b15aa8dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a38d1c52cabefc06d753a2183fc2c061896627c70e66083886c332b15aa8dd5", kill_on_drop: false }`
[INFO] [stdout] 0a38d1c52cabefc06d753a2183fc2c061896627c70e66083886c332b15aa8dd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d81ec7dcf1b60f14db48c7137e7fd660d25740a273c99806adffb2a0ce5cfa22
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d81ec7dcf1b60f14db48c7137e7fd660d25740a273c99806adffb2a0ce5cfa22", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdns v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "d81ec7dcf1b60f14db48c7137e7fd660d25740a273c99806adffb2a0ce5cfa22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81ec7dcf1b60f14db48c7137e7fd660d25740a273c99806adffb2a0ce5cfa22", kill_on_drop: false }`
[INFO] [stdout] d81ec7dcf1b60f14db48c7137e7fd660d25740a273c99806adffb2a0ce5cfa22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2716e0038f7b9cef1ab71b75d7fb6bfd58ba83f0a7abfec108813b501a68534b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2716e0038f7b9cef1ab71b75d7fb6bfd58ba83f0a7abfec108813b501a68534b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mdns-0c78340beb4cc737
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdns
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/resolve.rs - resolve (line 5) ... ok
[INFO] [stdout] test src/discover.rs - discover (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2716e0038f7b9cef1ab71b75d7fb6bfd58ba83f0a7abfec108813b501a68534b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2716e0038f7b9cef1ab71b75d7fb6bfd58ba83f0a7abfec108813b501a68534b", kill_on_drop: false }`
[INFO] [stdout] 2716e0038f7b9cef1ab71b75d7fb6bfd58ba83f0a7abfec108813b501a68534b