[INFO] fetching crate libp2p-lookup 0.2.0...
[INFO] testing libp2p-lookup-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libp2p-lookup 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libp2p-lookup 0.2.0 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 libp2p-lookup 0.2.0
[INFO] finished tweaking crates.io crate libp2p-lookup 0.2.0
[INFO] tweaked toml for crates.io crate libp2p-lookup 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate libp2p-lookup 0.2.0 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] 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" "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] 7f62f6bf4234542b8065cf901175f1059ac09c973982bf8271b8603569283e9a
[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" "7f62f6bf4234542b8065cf901175f1059ac09c973982bf8271b8603569283e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f62f6bf4234542b8065cf901175f1059ac09c973982bf8271b8603569283e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f62f6bf4234542b8065cf901175f1059ac09c973982bf8271b8603569283e9a", kill_on_drop: false }`
[INFO] [stdout] 7f62f6bf4234542b8065cf901175f1059ac09c973982bf8271b8603569283e9a
[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=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] [stdout] d41219c28817565025b8f9bca8e056dc66396c165adcd8bb8b37ba2ada29126d
[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" "d41219c28817565025b8f9bca8e056dc66396c165adcd8bb8b37ba2ada29126d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.1
[INFO] [stderr]    Compiling socket2 v0.3.18
[INFO] [stderr]    Compiling if-addrs v0.6.5
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]    Compiling block-cipher v0.8.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling aes-soft v0.5.0
[INFO] [stderr]    Compiling stream-cipher v0.7.1
[INFO] [stderr]    Compiling polyval v0.4.3
[INFO] [stderr]    Compiling poly1305 v0.6.2
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]    Compiling ghash v0.3.0
[INFO] [stderr]    Compiling aes v0.5.0
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling aes-gcm v0.7.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.21.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling asn1_der v0.6.3
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling chacha20 v0.5.0
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling chacha20poly1305 v0.6.0
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling x25519-dalek v1.1.0
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling libp2p-core v0.25.2
[INFO] [stderr]    Compiling libp2p-identify v0.25.0
[INFO] [stderr]    Compiling libp2p-noise v0.27.0
[INFO] [stderr]    Compiling libp2p-kad v0.26.0
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling futures_codec v0.4.1
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling wasm-timer v0.2.5
[INFO] [stderr]    Compiling yamux v0.8.0
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling multihash v0.13.2
[INFO] [stderr]    Compiling multistream-select v0.9.1
[INFO] [stderr]    Compiling parity-multiaddr v0.10.0
[INFO] [stderr]    Compiling libp2p-swarm v0.25.1
[INFO] [stderr]    Compiling libp2p-mplex v0.25.0
[INFO] [stderr]    Compiling libp2p-tcp v0.25.1
[INFO] [stderr]    Compiling libp2p-dns v0.25.0
[INFO] [stderr]    Compiling libp2p-yamux v0.28.0
[INFO] [stderr]    Compiling libp2p-ping v0.25.0
[INFO] [stderr]    Compiling libp2p v0.32.2
[INFO] [stderr]    Compiling libp2p-lookup v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 51s
[INFO] running `Command { std: "docker" "inspect" "d41219c28817565025b8f9bca8e056dc66396c165adcd8bb8b37ba2ada29126d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41219c28817565025b8f9bca8e056dc66396c165adcd8bb8b37ba2ada29126d", kill_on_drop: false }`
[INFO] [stdout] d41219c28817565025b8f9bca8e056dc66396c165adcd8bb8b37ba2ada29126d
[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=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] fa656acf93ad31f71a3bd87e852ba62877a19bacd5d0179b026333112fedb6a5
[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" "fa656acf93ad31f71a3bd87e852ba62877a19bacd5d0179b026333112fedb6a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libp2p-lookup v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "fa656acf93ad31f71a3bd87e852ba62877a19bacd5d0179b026333112fedb6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa656acf93ad31f71a3bd87e852ba62877a19bacd5d0179b026333112fedb6a5", kill_on_drop: false }`
[INFO] [stdout] fa656acf93ad31f71a3bd87e852ba62877a19bacd5d0179b026333112fedb6a5
[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=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] 676d7a6bdbde98748f1a747d315c2cf059be4e23c9534eb1f0e78952eef663c5
[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" "676d7a6bdbde98748f1a747d315c2cf059be4e23c9534eb1f0e78952eef663c5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libp2p_lookup-f5f384e2af0c2636
[INFO] running `Command { std: "docker" "inspect" "676d7a6bdbde98748f1a747d315c2cf059be4e23c9534eb1f0e78952eef663c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676d7a6bdbde98748f1a747d315c2cf059be4e23c9534eb1f0e78952eef663c5", kill_on_drop: false }`
[INFO] [stdout] 676d7a6bdbde98748f1a747d315c2cf059be4e23c9534eb1f0e78952eef663c5