[INFO] fetching crate pallet-membership 2.0.0...
[INFO] documenting pallet-membership-2.0.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate pallet-membership 2.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pallet-membership 2.0.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-membership 2.0.0
[INFO] finished tweaking crates.io crate pallet-membership 2.0.0
[INFO] tweaked toml for crates.io crate pallet-membership 2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-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" "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-2020-10-09" "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] de37e41d96e1aaf02a00e315fedc4dab4595e3e652fb0cbc8ffbf63c2ef64cda
[INFO] running `Command { std: "docker" "start" "-a" "de37e41d96e1aaf02a00e315fedc4dab4595e3e652fb0cbc8ffbf63c2ef64cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de37e41d96e1aaf02a00e315fedc4dab4595e3e652fb0cbc8ffbf63c2ef64cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de37e41d96e1aaf02a00e315fedc4dab4595e3e652fb0cbc8ffbf63c2ef64cda", kill_on_drop: false }`
[INFO] [stdout] de37e41d96e1aaf02a00e315fedc4dab4595e3e652fb0cbc8ffbf63c2ef64cda
[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" "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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f698812a474b0e4af4e2575dc34a4bfa7c5b56adfd335551b4de0b4827301c58
[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" "f698812a474b0e4af4e2575dc34a4bfa7c5b56adfd335551b4de0b4827301c58", kill_on_drop: false }`
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]     Checking memory-db v0.24.1
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking sp-arithmetic v2.0.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking tracing-subscriber v0.2.13
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking sp-tracing v2.0.0
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking sp-core v2.0.0
[INFO] [stderr]     Checking sp-trie v2.0.0
[INFO] [stderr]     Checking sp-inherents v2.0.0
[INFO] [stderr]     Checking frame-metadata v12.0.0
[INFO] [stderr]     Checking sp-state-machine v0.8.0
[INFO] [stderr]     Checking sp-io v2.0.0
[INFO] [stderr]     Checking sp-application-crypto v2.0.0
[INFO] [stderr]     Checking sp-runtime v2.0.0
[INFO] [stderr]     Checking sp-version v2.0.0
[INFO] [stderr]     Checking frame-support v2.0.0
[INFO] [stderr]     Checking frame-system v2.0.0
[INFO] [stderr]  Documenting pallet-membership v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.47s
[INFO] running `Command { std: "docker" "inspect" "f698812a474b0e4af4e2575dc34a4bfa7c5b56adfd335551b4de0b4827301c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f698812a474b0e4af4e2575dc34a4bfa7c5b56adfd335551b4de0b4827301c58", kill_on_drop: false }`
[INFO] [stdout] f698812a474b0e4af4e2575dc34a4bfa7c5b56adfd335551b4de0b4827301c58
