[INFO] fetching crate libp2p-tcp 0.28.0...
[INFO] checking libp2p-tcp-0.28.0 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate libp2p-tcp 0.28.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libp2p-tcp 0.28.0 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-tcp 0.28.0
[INFO] finished tweaking crates.io crate libp2p-tcp 0.28.0
[INFO] tweaked toml for crates.io crate libp2p-tcp 0.28.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--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 if-watch v0.2.1
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d7de4a9a591bf19c5ec999f13339850e9c3643fc862661a336eca9abdc5efdc
[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" "7d7de4a9a591bf19c5ec999f13339850e9c3643fc862661a336eca9abdc5efdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d7de4a9a591bf19c5ec999f13339850e9c3643fc862661a336eca9abdc5efdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7de4a9a591bf19c5ec999f13339850e9c3643fc862661a336eca9abdc5efdc", kill_on_drop: false }`
[INFO] [stdout] 7d7de4a9a591bf19c5ec999f13339850e9c3643fc862661a336eca9abdc5efdc
[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=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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f86a120cebd3a8561584e8b019e19796dff1ae6145a1f27866ca9be0ff1bdce
[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" "5f86a120cebd3a8561584e8b019e19796dff1ae6145a1f27866ca9be0ff1bdce", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking unsigned-varint v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking asn1_der v0.7.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking if-addrs v0.6.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking if-watch v0.2.1
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking multistream-select v0.10.2
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[INFO] [stderr]    Compiling libp2p-core v0.28.2
[INFO] [stderr]     Checking multihash v0.13.2
[INFO] [stderr]     Checking parity-multiaddr v0.11.2
[INFO] [stderr]     Checking libp2p-tcp v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "5f86a120cebd3a8561584e8b019e19796dff1ae6145a1f27866ca9be0ff1bdce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f86a120cebd3a8561584e8b019e19796dff1ae6145a1f27866ca9be0ff1bdce", kill_on_drop: false }`
[INFO] [stdout] 5f86a120cebd3a8561584e8b019e19796dff1ae6145a1f27866ca9be0ff1bdce