[INFO] fetching crate benchmark-simple 0.1.7...
[INFO] documenting benchmark-simple-0.1.7 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate benchmark-simple 0.1.7 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate benchmark-simple 0.1.7 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate benchmark-simple 0.1.7
[INFO] finished tweaking crates.io crate benchmark-simple 0.1.7
[INFO] tweaked toml for crates.io crate benchmark-simple 0.1.7 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 2cab3d46eb2a99b404273d3cf03e1e071906dff2e6ba62eea926492c97d0bb8a
[INFO] running `Command { std: "docker" "start" "-a" "2cab3d46eb2a99b404273d3cf03e1e071906dff2e6ba62eea926492c97d0bb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cab3d46eb2a99b404273d3cf03e1e071906dff2e6ba62eea926492c97d0bb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cab3d46eb2a99b404273d3cf03e1e071906dff2e6ba62eea926492c97d0bb8a", kill_on_drop: false }`
[INFO] [stdout] 2cab3d46eb2a99b404273d3cf03e1e071906dff2e6ba62eea926492c97d0bb8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 156d20e38ef97b7a37ceed949ca1e97fe5f3ff620fbb964de6b5f5ad379424e8
[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" "156d20e38ef97b7a37ceed949ca1e97fe5f3ff620fbb964de6b5f5ad379424e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling precision v0.1.14
[INFO] [stderr]  Documenting benchmark-simple v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.06s
[INFO] running `Command { std: "docker" "inspect" "156d20e38ef97b7a37ceed949ca1e97fe5f3ff620fbb964de6b5f5ad379424e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156d20e38ef97b7a37ceed949ca1e97fe5f3ff620fbb964de6b5f5ad379424e8", kill_on_drop: false }`
[INFO] [stdout] 156d20e38ef97b7a37ceed949ca1e97fe5f3ff620fbb964de6b5f5ad379424e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 4ad0d5addb4264c3a403d9476a21195fb124a98774246599257af32a8918f2de
[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" "4ad0d5addb4264c3a403d9476a21195fb124a98774246599257af32a8918f2de", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling precision v0.1.14
[INFO] [stderr]  Documenting benchmark-simple v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "4ad0d5addb4264c3a403d9476a21195fb124a98774246599257af32a8918f2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad0d5addb4264c3a403d9476a21195fb124a98774246599257af32a8918f2de", kill_on_drop: false }`
[INFO] [stdout] 4ad0d5addb4264c3a403d9476a21195fb124a98774246599257af32a8918f2de