[INFO] fetching crate pallet-offences 2.0.0-rc6...
[INFO] documenting pallet-offences-2.0.0-rc6 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate pallet-offences 2.0.0-rc6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pallet-offences 2.0.0-rc6 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-offences 2.0.0-rc6
[INFO] finished tweaking crates.io crate pallet-offences 2.0.0-rc6
[INFO] tweaked toml for crates.io crate pallet-offences 2.0.0-rc6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14c7bac7a64c35b18f01bb9213c7e648d934cfd0da5f80443845d3cd56188d97
[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" "14c7bac7a64c35b18f01bb9213c7e648d934cfd0da5f80443845d3cd56188d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14c7bac7a64c35b18f01bb9213c7e648d934cfd0da5f80443845d3cd56188d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c7bac7a64c35b18f01bb9213c7e648d934cfd0da5f80443845d3cd56188d97", kill_on_drop: false }`
[INFO] [stdout] 14c7bac7a64c35b18f01bb9213c7e648d934cfd0da5f80443845d3cd56188d97
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 467c24ac837eae46c07e11d5e99bc4b49fda948d7397eedd0d4c1c9bd3357e2d
[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" "467c24ac837eae46c07e11d5e99bc4b49fda948d7397eedd0d4c1c9bd3357e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-rc6
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc6
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc6
[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 frame-metadata v11.0.0-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]     Checking linregress v0.1.7
[INFO] [stderr]     Checking sp-version v2.0.0-rc6
[INFO] [stderr]     Checking frame-support v2.0.0-rc6
[INFO] [stderr]     Checking sp-staking v2.0.0-rc6
[INFO] [stderr]     Checking sp-api v2.0.0-rc6
[INFO] [stderr]     Checking frame-system v2.0.0-rc6
[INFO] [stderr]     Checking frame-benchmarking v2.0.0-rc6
[INFO] [stderr]     Checking pallet-balances v2.0.0-rc6
[INFO] [stderr]  Documenting pallet-offences v2.0.0-rc6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "467c24ac837eae46c07e11d5e99bc4b49fda948d7397eedd0d4c1c9bd3357e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467c24ac837eae46c07e11d5e99bc4b49fda948d7397eedd0d4c1c9bd3357e2d", kill_on_drop: false }`
[INFO] [stdout] 467c24ac837eae46c07e11d5e99bc4b49fda948d7397eedd0d4c1c9bd3357e2d