[INFO] fetching crate pallet-session-benchmarking 2.0.0-rc4...
[INFO] documenting pallet-session-benchmarking-2.0.0-rc4 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate pallet-session-benchmarking 2.0.0-rc4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate pallet-session-benchmarking 2.0.0-rc4 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-session-benchmarking 2.0.0-rc4
[INFO] finished tweaking crates.io crate pallet-session-benchmarking 2.0.0-rc4
[INFO] tweaked toml for crates.io crate pallet-session-benchmarking 2.0.0-rc4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2abeb0340eb80b27628adef2c6ef1a30be5cc3a971a5d492e510a07538eb301
[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" "a2abeb0340eb80b27628adef2c6ef1a30be5cc3a971a5d492e510a07538eb301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2abeb0340eb80b27628adef2c6ef1a30be5cc3a971a5d492e510a07538eb301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2abeb0340eb80b27628adef2c6ef1a30be5cc3a971a5d492e510a07538eb301", kill_on_drop: false }`
[INFO] [stdout] a2abeb0340eb80b27628adef2c6ef1a30be5cc3a971a5d492e510a07538eb301
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b666127e5df72d7d739e89fd46c1c05158c2409f29a253959dafd31bba46607
[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" "6b666127e5df72d7d739e89fd46c1c05158c2409f29a253959dafd31bba46607", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling sp-npos-elections-compact v2.0.0-rc4
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking sp-npos-elections v2.0.0-rc4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc4
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc4
[INFO] [stderr]     Checking sp-core v2.0.0-rc4
[INFO] [stderr]     Checking sp-trie v2.0.0-rc4
[INFO] [stderr]     Checking sp-inherents v2.0.0-rc4
[INFO] [stderr]     Checking frame-metadata v11.0.0-rc4
[INFO] [stderr]     Checking sp-state-machine v0.8.0-rc4
[INFO] [stderr]     Checking sp-io v2.0.0-rc4
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc4
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc4
[INFO] [stderr]     Checking linregress v0.1.7
[INFO] [stderr]     Checking sp-version v2.0.0-rc4
[INFO] [stderr]     Checking frame-support v2.0.0-rc4
[INFO] [stderr]     Checking sp-staking v2.0.0-rc4
[INFO] [stderr]     Checking sp-authorship v2.0.0-rc4
[INFO] [stderr]     Checking sp-api v2.0.0-rc4
[INFO] [stderr]     Checking sp-timestamp v2.0.0-rc4
[INFO] [stderr]     Checking sp-session v2.0.0-rc4
[INFO] [stderr]     Checking frame-system v2.0.0-rc4
[INFO] [stderr]     Checking frame-benchmarking v2.0.0-rc4
[INFO] [stderr]     Checking pallet-authorship v2.0.0-rc4
[INFO] [stderr]     Checking pallet-timestamp v2.0.0-rc4
[INFO] [stderr]     Checking pallet-session v2.0.0-rc4
[INFO] [stderr]     Checking pallet-staking v2.0.0-rc4
[INFO] [stderr]  Documenting pallet-session-benchmarking v2.0.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `Command { std: "docker" "inspect" "6b666127e5df72d7d739e89fd46c1c05158c2409f29a253959dafd31bba46607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b666127e5df72d7d739e89fd46c1c05158c2409f29a253959dafd31bba46607", kill_on_drop: false }`
[INFO] [stdout] 6b666127e5df72d7d739e89fd46c1c05158c2409f29a253959dafd31bba46607