[INFO] fetching crate libp2p-kad 0.20.1...
[INFO] documenting libp2p-kad-0.20.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate libp2p-kad 0.20.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate libp2p-kad 0.20.1 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-kad 0.20.1
[INFO] finished tweaking crates.io crate libp2p-kad 0.20.1
[INFO] tweaked toml for crates.io crate libp2p-kad 0.20.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ff2269dc8b615cd57fa7cf7e963cd148c1890d4ea92faab5e9ad47ff6e07e46
[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" "3ff2269dc8b615cd57fa7cf7e963cd148c1890d4ea92faab5e9ad47ff6e07e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ff2269dc8b615cd57fa7cf7e963cd148c1890d4ea92faab5e9ad47ff6e07e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff2269dc8b615cd57fa7cf7e963cd148c1890d4ea92faab5e9ad47ff6e07e46", kill_on_drop: false }`
[INFO] [stdout] 3ff2269dc8b615cd57fa7cf7e963cd148c1890d4ea92faab5e9ad47ff6e07e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a871bb85bb8343ea397a3249b5366c0389244f0adcf6af39176381f56ca6a85e
[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" "a871bb85bb8343ea397a3249b5366c0389244f0adcf6af39176381f56ca6a85e", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking uint v0.8.3
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]    Compiling libp2p-kad v0.20.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libp2p-core v0.19.2
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking multistream-select v0.8.2
[INFO] [stderr]     Checking multihash v0.11.2
[INFO] [stderr]     Checking parity-multiaddr v0.9.1
[INFO] [stderr]     Checking libp2p-swarm v0.19.1
[INFO] [stderr]  Documenting libp2p-kad v0.20.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.26s
[INFO] running `Command { std: "docker" "inspect" "a871bb85bb8343ea397a3249b5366c0389244f0adcf6af39176381f56ca6a85e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a871bb85bb8343ea397a3249b5366c0389244f0adcf6af39176381f56ca6a85e", kill_on_drop: false }`
[INFO] [stdout] a871bb85bb8343ea397a3249b5366c0389244f0adcf6af39176381f56ca6a85e