[INFO] fetching crate libp2p-dns 0.28.1...
[INFO] checking libp2p-dns-0.28.1 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate libp2p-dns 0.28.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libp2p-dns 0.28.1 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-dns 0.28.1
[INFO] finished tweaking crates.io crate libp2p-dns 0.28.1
[INFO] tweaked toml for crates.io crate libp2p-dns 0.28.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.3
[INFO] [stderr]   Downloaded async-std-resolver v0.20.3
[INFO] [stderr]   Downloaded trust-dns-https v0.20.3
[INFO] [stderr]   Downloaded trust-dns-rustls v0.20.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db8d9dcaa436faaa2b02859a0006e2cafbb066b0fe810b0069f39fb3b4eec59e
[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" "db8d9dcaa436faaa2b02859a0006e2cafbb066b0fe810b0069f39fb3b4eec59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db8d9dcaa436faaa2b02859a0006e2cafbb066b0fe810b0069f39fb3b4eec59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8d9dcaa436faaa2b02859a0006e2cafbb066b0fe810b0069f39fb3b4eec59e", kill_on_drop: false }`
[INFO] [stdout] db8d9dcaa436faaa2b02859a0006e2cafbb066b0fe810b0069f39fb3b4eec59e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64a715b0b681edc4db00a63c52f05681b80c53311e60c8e5faca16ce03244879
[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" "64a715b0b681edc4db00a63c52f05681b80c53311e60c8e5faca16ce03244879", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]    Compiling libp2p-core v0.28.3
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking trust-dns-proto v0.20.3
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking multistream-select v0.10.2
[INFO] [stderr]     Checking trust-dns-resolver v0.20.3
[INFO] [stderr]     Checking async-std-resolver v0.20.3
[INFO] [stderr]     Checking libp2p-dns v0.28.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.87s
[INFO] running `Command { std: "docker" "inspect" "64a715b0b681edc4db00a63c52f05681b80c53311e60c8e5faca16ce03244879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a715b0b681edc4db00a63c52f05681b80c53311e60c8e5faca16ce03244879", kill_on_drop: false }`
[INFO] [stdout] 64a715b0b681edc4db00a63c52f05681b80c53311e60c8e5faca16ce03244879