[INFO] fetching crate sp-staking 2.0.0-rc6...
[INFO] documenting sp-staking-2.0.0-rc6 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate sp-staking 2.0.0-rc6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sp-staking 2.0.0-rc6 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 sp-staking 2.0.0-rc6
[INFO] finished tweaking crates.io crate sp-staking 2.0.0-rc6
[INFO] tweaked toml for crates.io crate sp-staking 2.0.0-rc6 written to /workspace/builds/worker-5/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 536ff3f80149698a0473a1b7b87cbee641fc3e524246e466d07220472fabf770
[INFO] running `Command { std: "docker" "start" "-a" "536ff3f80149698a0473a1b7b87cbee641fc3e524246e466d07220472fabf770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536ff3f80149698a0473a1b7b87cbee641fc3e524246e466d07220472fabf770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536ff3f80149698a0473a1b7b87cbee641fc3e524246e466d07220472fabf770", kill_on_drop: false }`
[INFO] [stdout] 536ff3f80149698a0473a1b7b87cbee641fc3e524246e466d07220472fabf770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 796d521f7c7af4ec105ea3da3804dbda1af04c556e807e722933559c5f62433a
[INFO] running `Command { std: "docker" "start" "-a" "796d521f7c7af4ec105ea3da3804dbda1af04c556e807e722933559c5f62433a", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-rc6
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking parity-scale-codec v1.3.4
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking sp-storage v2.0.0-rc6
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc6
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc6
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking sp-externalities v0.8.0-rc6
[INFO] [stderr]     Checking parity-util-mem v0.7.0
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc6
[INFO] [stderr]     Checking memory-db v0.24.1
[INFO] [stderr]     Checking sp-core v2.0.0-rc6
[INFO] [stderr]     Checking sp-trie v2.0.0-rc6
[INFO] [stderr]     Checking sp-inherents v2.0.0-rc6
[INFO] [stderr]     Checking sp-state-machine v0.8.0-rc6
[INFO] [stderr]     Checking sp-io v2.0.0-rc6
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc6
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc6
[INFO] [stderr]  Documenting sp-staking v2.0.0-rc6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.95s
[INFO] running `Command { std: "docker" "inspect" "796d521f7c7af4ec105ea3da3804dbda1af04c556e807e722933559c5f62433a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796d521f7c7af4ec105ea3da3804dbda1af04c556e807e722933559c5f62433a", kill_on_drop: false }`
[INFO] [stdout] 796d521f7c7af4ec105ea3da3804dbda1af04c556e807e722933559c5f62433a