[INFO] fetching crate libp2p-mdns 0.29.0...
[INFO] checking libp2p-mdns-0.29.0 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate libp2p-mdns 0.29.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libp2p-mdns 0.29.0 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-mdns 0.29.0
[INFO] finished tweaking crates.io crate libp2p-mdns 0.29.0
[INFO] tweaked toml for crates.io crate libp2p-mdns 0.29.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d7b1de7900f234fd97954efc6b358dba172c826d397ea0937d0cd5460892c11
[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" "2d7b1de7900f234fd97954efc6b358dba172c826d397ea0937d0cd5460892c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d7b1de7900f234fd97954efc6b358dba172c826d397ea0937d0cd5460892c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7b1de7900f234fd97954efc6b358dba172c826d397ea0937d0cd5460892c11", kill_on_drop: false }`
[INFO] [stdout] 2d7b1de7900f234fd97954efc6b358dba172c826d397ea0937d0cd5460892c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e438a3bc1f3cc2373e9d1f91b64b21d2dbe8c9b9065f8f77234343036ce2006
[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" "5e438a3bc1f3cc2373e9d1f91b64b21d2dbe8c9b9065f8f77234343036ce2006", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking if-addrs v0.6.5
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]     Checking parity-multiaddr v0.11.2
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking nb-connect v1.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking if-watch v0.2.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]    Compiling libp2p-core v0.28.1
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking multistream-select v0.10.2
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking libp2p-swarm v0.28.0
[INFO] [stderr]     Checking libp2p-mdns v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.38s
[INFO] running `Command { std: "docker" "inspect" "5e438a3bc1f3cc2373e9d1f91b64b21d2dbe8c9b9065f8f77234343036ce2006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e438a3bc1f3cc2373e9d1f91b64b21d2dbe8c9b9065f8f77234343036ce2006", kill_on_drop: false }`
[INFO] [stdout] 5e438a3bc1f3cc2373e9d1f91b64b21d2dbe8c9b9065f8f77234343036ce2006