[INFO] fetching crate frame-benchmarking 3.1.0...
[INFO] documenting frame-benchmarking-3.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate frame-benchmarking 3.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate frame-benchmarking 3.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frame-benchmarking 3.1.0
[INFO] finished tweaking crates.io crate frame-benchmarking 3.1.0
[INFO] tweaked toml for crates.io crate frame-benchmarking 3.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d40f878d26308252684f985de37141e93286295e4ada0ca21d5b3ed284eb4d9d
[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" "d40f878d26308252684f985de37141e93286295e4ada0ca21d5b3ed284eb4d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d40f878d26308252684f985de37141e93286295e4ada0ca21d5b3ed284eb4d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40f878d26308252684f985de37141e93286295e4ada0ca21d5b3ed284eb4d9d", kill_on_drop: false }`
[INFO] [stdout] d40f878d26308252684f985de37141e93286295e4ada0ca21d5b3ed284eb4d9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 902e2f98d4fe61c29228816a22c2f887c9d605725657d7fe08a0aaf075c67fce
[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" "902e2f98d4fe61c29228816a22c2f887c9d605725657d7fe08a0aaf075c67fce", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling sp-api-proc-macro v3.0.0
[INFO] [stderr]     Checking trie-db v0.22.6
[INFO] [stderr]     Checking memory-db v0.26.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking rand_distr v0.4.1
[INFO] [stderr]     Checking sp-arithmetic v3.0.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking sp-tracing v3.0.0
[INFO] [stderr]     Checking sp-wasm-interface v3.0.0
[INFO] [stderr]     Checking sp-runtime-interface v3.0.0
[INFO] [stderr]     Checking sp-core v3.0.0
[INFO] [stderr]     Checking sp-trie v3.0.0
[INFO] [stderr]     Checking sp-keystore v0.9.0
[INFO] [stderr]     Checking frame-metadata v13.0.0
[INFO] [stderr]     Checking sp-inherents v3.0.0
[INFO] [stderr]     Checking sp-state-machine v0.9.0
[INFO] [stderr]     Checking sp-io v3.0.0
[INFO] [stderr]     Checking nalgebra v0.27.1
[INFO] [stderr]     Checking sp-application-crypto v3.0.0
[INFO] [stderr]     Checking sp-runtime v3.0.0
[INFO] [stderr]     Checking sp-version v3.0.0
[INFO] [stderr]     Checking sp-staking v3.0.0
[INFO] [stderr]     Checking frame-support v3.0.0
[INFO] [stderr]     Checking sp-api v3.0.0
[INFO] [stderr]     Checking frame-system v3.0.0
[INFO] [stderr]     Checking statrs v0.15.0
[INFO] [stderr]     Checking linregress v0.4.3
[INFO] [stderr]  Documenting frame-benchmarking v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.86s
[INFO] running `Command { std: "docker" "inspect" "902e2f98d4fe61c29228816a22c2f887c9d605725657d7fe08a0aaf075c67fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902e2f98d4fe61c29228816a22c2f887c9d605725657d7fe08a0aaf075c67fce", kill_on_drop: false }`
[INFO] [stdout] 902e2f98d4fe61c29228816a22c2f887c9d605725657d7fe08a0aaf075c67fce