[INFO] fetching crate libp2p-gossipsub 0.19.3...
[INFO] documenting libp2p-gossipsub-0.19.3 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate libp2p-gossipsub 0.19.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libp2p-gossipsub 0.19.3 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-gossipsub 0.19.3
[INFO] finished tweaking crates.io crate libp2p-gossipsub 0.19.3
[INFO] tweaked toml for crates.io crate libp2p-gossipsub 0.19.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", 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] 4b14e52daca3cf4e44e604673f28bdad8a1fbb60ec5830e044dfd808bea0a3b4
[INFO] running `Command { std: "docker" "start" "-a" "4b14e52daca3cf4e44e604673f28bdad8a1fbb60ec5830e044dfd808bea0a3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b14e52daca3cf4e44e604673f28bdad8a1fbb60ec5830e044dfd808bea0a3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b14e52daca3cf4e44e604673f28bdad8a1fbb60ec5830e044dfd808bea0a3b4", kill_on_drop: false }`
[INFO] [stdout] 4b14e52daca3cf4e44e604673f28bdad8a1fbb60ec5830e044dfd808bea0a3b4
[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" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2aedda80cd827ad3292690480a63e33e849a9924f85e22e302875fc9ad6433b
[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" "e2aedda80cd827ad3292690480a63e33e849a9924f85e22e302875fc9ad6433b", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling libp2p-core v0.19.2
[INFO] [stderr]    Compiling libp2p-gossipsub v0.19.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking parity-multiaddr v0.9.1
[INFO] [stderr]     Checking multistream-select v0.8.2
[INFO] [stderr]     Checking libp2p-swarm v0.19.1
[INFO] [stderr]  Documenting libp2p-gossipsub v0.19.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.48s
[INFO] running `Command { std: "docker" "inspect" "e2aedda80cd827ad3292690480a63e33e849a9924f85e22e302875fc9ad6433b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2aedda80cd827ad3292690480a63e33e849a9924f85e22e302875fc9ad6433b", kill_on_drop: false }`
[INFO] [stdout] e2aedda80cd827ad3292690480a63e33e849a9924f85e22e302875fc9ad6433b