[INFO] fetching crate libp2p-plaintext 0.21.0...
[INFO] documenting libp2p-plaintext-0.21.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate libp2p-plaintext 0.21.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate libp2p-plaintext 0.21.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-plaintext 0.21.0
[INFO] finished tweaking crates.io crate libp2p-plaintext 0.21.0
[INFO] tweaked toml for crates.io crate libp2p-plaintext 0.21.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] bfc8d73e388afd12e3941f35bda4f22fb50b931b487c0e7c82b93bdb44eb83c5
[INFO] running `Command { std: "docker" "start" "-a" "bfc8d73e388afd12e3941f35bda4f22fb50b931b487c0e7c82b93bdb44eb83c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc8d73e388afd12e3941f35bda4f22fb50b931b487c0e7c82b93bdb44eb83c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc8d73e388afd12e3941f35bda4f22fb50b931b487c0e7c82b93bdb44eb83c5", kill_on_drop: false }`
[INFO] [stdout] bfc8d73e388afd12e3941f35bda4f22fb50b931b487c0e7c82b93bdb44eb83c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 086c7967267176be2fd8a80f3e0078c7edd16aaf7b69e9875b5b2eac1dd11e1a
[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" "086c7967267176be2fd8a80f3e0078c7edd16aaf7b69e9875b5b2eac1dd11e1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]    Compiling libp2p-plaintext v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking multistream-select v0.8.2
[INFO] [stderr]     Checking parity-multiaddr v0.9.2
[INFO] [stderr]     Checking libp2p-core v0.21.0
[INFO] [stderr]  Documenting libp2p-plaintext v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.83s
[INFO] running `Command { std: "docker" "inspect" "086c7967267176be2fd8a80f3e0078c7edd16aaf7b69e9875b5b2eac1dd11e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086c7967267176be2fd8a80f3e0078c7edd16aaf7b69e9875b5b2eac1dd11e1a", kill_on_drop: false }`
[INFO] [stdout] 086c7967267176be2fd8a80f3e0078c7edd16aaf7b69e9875b5b2eac1dd11e1a