[INFO] cloning repository https://github.com/kunal171/libp2p_learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kunal171/libp2p_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunal171%2Flibp2p_learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunal171%2Flibp2p_learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0d1a4793ec6dc30095c766adf9d6210adada6db
[INFO] checking kunal171/libp2p_learning against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunal171%2Flibp2p_learning" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kunal171/libp2p_learning
[INFO] finished tweaking git repo https://github.com/kunal171/libp2p_learning
[INFO] tweaked toml for git repo https://github.com/kunal171/libp2p_learning written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kunal171/libp2p_learning on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kunal171/libp2p_learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p v0.52.4
[INFO] [stderr]   Downloaded yamux v0.12.1
[INFO] [stderr]   Downloaded libp2p-allow-block-list v0.2.0
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[INFO] [stderr]   Downloaded futures-rustls v0.24.0
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[INFO] [stderr]   Downloaded async-std-resolver v0.23.2
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[INFO] [stderr]   Downloaded libp2p-core v0.40.1
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[INFO] [stderr]   Downloaded libp2p-mdns v0.44.0
[INFO] [stderr]   Downloaded libp2p-metrics v0.13.1
[INFO] [stderr]   Downloaded libp2p-noise v0.43.2
[INFO] [stderr]   Downloaded libp2p-ping v0.43.1
[INFO] [stderr]   Downloaded libp2p-yamux v0.44.1
[INFO] [stderr]   Downloaded libp2p-dns v0.40.1
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[INFO] [stderr]   Downloaded snow v0.9.6
[INFO] [stderr]   Downloaded multistream-select v0.13.0
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[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] [stderr]   Downloaded async-signal v0.2.9
[INFO] [stderr]   Downloaded libp2p-tls v0.2.1
[INFO] [stderr]   Downloaded prometheus-client-derive-encode v0.4.2
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[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.40.1
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[INFO] [stderr]   Downloaded multiaddr v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4348914133a2247ab8be1bc35d72403d64510e60d7d630faa1bc546afee9a139
[INFO] running `Command { std: "docker" "start" "-a" "4348914133a2247ab8be1bc35d72403d64510e60d7d630faa1bc546afee9a139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4348914133a2247ab8be1bc35d72403d64510e60d7d630faa1bc546afee9a139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4348914133a2247ab8be1bc35d72403d64510e60d7d630faa1bc546afee9a139", kill_on_drop: false }`
[INFO] [stdout] 4348914133a2247ab8be1bc35d72403d64510e60d7d630faa1bc546afee9a139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04847f129c990914f8aa796a25cb2d549acdbf00fa8cec9953ecccb8d0048234
[INFO] running `Command { std: "docker" "start" "-a" "04847f129c990914f8aa796a25cb2d549acdbf00fa8cec9953ecccb8d0048234", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
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[INFO] running `Command { std: "docker" "inspect" "04847f129c990914f8aa796a25cb2d549acdbf00fa8cec9953ecccb8d0048234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04847f129c990914f8aa796a25cb2d549acdbf00fa8cec9953ecccb8d0048234", kill_on_drop: false }`
[INFO] [stdout] 04847f129c990914f8aa796a25cb2d549acdbf00fa8cec9953ecccb8d0048234