[INFO] crate libp2p-mdns 0.20.0 is already in cache
[INFO] checking libp2p-mdns-0.20.0 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] extracting crate libp2p-mdns 0.20.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate libp2p-mdns 0.20.0 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-mdns 0.20.0
[INFO] finished tweaking crates.io crate libp2p-mdns 0.20.0
[INFO] tweaked toml for crates.io crate libp2p-mdns 0.20.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", 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] 1e4ab417b462a838b07416bddefd5a46766675f960e5aa01c50a496dd61832dd
[INFO] running `Command { std: "docker" "start" "-a" "1e4ab417b462a838b07416bddefd5a46766675f960e5aa01c50a496dd61832dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e4ab417b462a838b07416bddefd5a46766675f960e5aa01c50a496dd61832dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4ab417b462a838b07416bddefd5a46766675f960e5aa01c50a496dd61832dd", kill_on_drop: false }`
[INFO] [stdout] 1e4ab417b462a838b07416bddefd5a46766675f960e5aa01c50a496dd61832dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--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] d785f20cceaa6c07bed6e2a980272883e977cff46a5c2a9b0e33a428266ad5b3
[INFO] running `Command { std: "docker" "start" "-a" "d785f20cceaa6c07bed6e2a980272883e977cff46a5c2a9b0e33a428266ad5b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]    Compiling libp2p-core v0.20.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking multistream-select v0.8.2
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking libp2p-swarm v0.20.1
[INFO] [stderr]     Checking libp2p-mdns v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.42s
[INFO] running `Command { std: "docker" "inspect" "d785f20cceaa6c07bed6e2a980272883e977cff46a5c2a9b0e33a428266ad5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d785f20cceaa6c07bed6e2a980272883e977cff46a5c2a9b0e33a428266ad5b3", kill_on_drop: false }`
[INFO] [stdout] d785f20cceaa6c07bed6e2a980272883e977cff46a5c2a9b0e33a428266ad5b3