[INFO] fetching crate libp2p-lookup 0.2.0...
[INFO] checking libp2p-lookup-0.2.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate libp2p-lookup 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libp2p-lookup 0.2.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-channel v0.3.8
[INFO] [stderr]   Downloaded signature v1.2.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.22
[INFO] [stderr]   Downloaded serde v1.0.118
[INFO] [stderr]   Downloaded futures-macro v0.3.8
[INFO] [stderr]   Downloaded ghash v0.3.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded futures-lite v1.11.2
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] [stderr]   Downloaded futures v0.3.8
[INFO] [stderr]   Downloaded curve25519-dalek v3.0.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.25.1
[INFO] [stderr]   Downloaded socket2 v0.3.18
[INFO] [stderr]   Downloaded libp2p-ping v0.25.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.25.1
[INFO] [stderr]   Downloaded libp2p-mplex v0.25.0
[INFO] [stderr]   Downloaded libp2p-dns v0.25.0
[INFO] [stderr]   Downloaded libp2p-identify v0.25.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.10.0
[INFO] [stderr]   Downloaded polyval v0.4.3
[INFO] [stderr]   Downloaded libp2p-kad v0.26.0
[INFO] [stderr]   Downloaded libp2p-core v0.25.2
[INFO] [stderr]   Downloaded pin-project v1.0.2
[INFO] [stderr]   Downloaded libp2p v0.32.2
[INFO] [stderr]   Downloaded futures-task v0.3.8
[INFO] [stderr]   Downloaded libp2p-noise v0.27.0
[INFO] [stderr]   Downloaded libp2p-yamux v0.28.0
[INFO] [stderr]   Downloaded smallvec v1.5.1
[INFO] [stderr]   Downloaded futures-util v0.3.8
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded thiserror v1.0.22
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded futures-sink v0.3.8
[INFO] [stderr]   Downloaded futures_codec v0.4.1
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aa09775c9e2b7b86ea6129a2e36cbad2866d00fb7ee418dea29adfd03302d51
[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" "7aa09775c9e2b7b86ea6129a2e36cbad2866d00fb7ee418dea29adfd03302d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aa09775c9e2b7b86ea6129a2e36cbad2866d00fb7ee418dea29adfd03302d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa09775c9e2b7b86ea6129a2e36cbad2866d00fb7ee418dea29adfd03302d51", kill_on_drop: false }`
[INFO] [stdout] 7aa09775c9e2b7b86ea6129a2e36cbad2866d00fb7ee418dea29adfd03302d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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] 26d1e17ea142824fdd7147ecb10403f10d5aa54428fdfb686dc2a6e019f24f15
[INFO] running `Command { std: "docker" "start" "-a" "26d1e17ea142824fdd7147ecb10403f10d5aa54428fdfb686dc2a6e019f24f15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]     Checking signature v1.2.2
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[INFO] [stderr]    Compiling which v3.1.1
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[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]    Compiling petgraph v0.5.1
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[INFO] [stderr]     Checking async-io v1.3.1
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[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling prost-build v0.6.1
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[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling libp2p-core-derive v0.21.0
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
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[INFO] [stderr]     Checking thiserror v1.0.22
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[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling libp2p-core v0.25.2
[INFO] [stderr]    Compiling libp2p-noise v0.27.0
[INFO] [stderr]    Compiling libp2p-kad v0.26.0
[INFO] [stderr]    Compiling libp2p-identify v0.25.0
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
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[INFO] [stderr]     Checking yamux v0.8.0
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking multihash v0.13.2
[INFO] [stderr]     Checking multistream-select v0.9.1
[INFO] [stderr]     Checking parity-multiaddr v0.10.0
[INFO] [stderr]     Checking libp2p-swarm v0.25.1
[INFO] [stderr]     Checking libp2p-mplex v0.25.0
[INFO] [stderr]     Checking libp2p-yamux v0.28.0
[INFO] [stderr]     Checking libp2p-tcp v0.25.1
[INFO] [stderr]     Checking libp2p-dns v0.25.0
[INFO] [stderr]     Checking libp2p-ping v0.25.0
[INFO] [stderr]     Checking libp2p v0.32.2
[INFO] [stderr]     Checking libp2p-lookup v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 59s
[INFO] running `Command { std: "docker" "inspect" "26d1e17ea142824fdd7147ecb10403f10d5aa54428fdfb686dc2a6e019f24f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d1e17ea142824fdd7147ecb10403f10d5aa54428fdfb686dc2a6e019f24f15", kill_on_drop: false }`
[INFO] [stdout] 26d1e17ea142824fdd7147ecb10403f10d5aa54428fdfb686dc2a6e019f24f15