[INFO] fetching crate vhost-user-backend 0.3.0...
[INFO] documenting vhost-user-backend-0.3.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate vhost-user-backend 0.3.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate vhost-user-backend 0.3.0 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] removed /workspace/builds/worker-38/source/.cargo/config
[INFO] started tweaking crates.io crate vhost-user-backend 0.3.0
[INFO] finished tweaking crates.io crate vhost-user-backend 0.3.0
[INFO] tweaked toml for crates.io crate vhost-user-backend 0.3.0 written to /workspace/builds/worker-38/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] [stdout] 960f8666afabd12a8039c22627af25c62c56652195b6f293cb82134923c8faff
[INFO] running `Command { std: "docker" "start" "-a" "960f8666afabd12a8039c22627af25c62c56652195b6f293cb82134923c8faff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "960f8666afabd12a8039c22627af25c62c56652195b6f293cb82134923c8faff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960f8666afabd12a8039c22627af25c62c56652195b6f293cb82134923c8faff", kill_on_drop: false }`
[INFO] [stdout] 960f8666afabd12a8039c22627af25c62c56652195b6f293cb82134923c8faff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 05e293c31c8a81ca924ca7f9de43db9519dac6811251d10b981690448dfb570d
[INFO] running `Command { std: "docker" "start" "-a" "05e293c31c8a81ca924ca7f9de43db9519dac6811251d10b981690448dfb570d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking virtio-bindings v0.1.0
[INFO] [stderr]     Checking vmm-sys-util v0.9.0
[INFO] [stderr]     Checking vm-memory v0.8.0
[INFO] [stderr]     Checking vm-memory v0.7.0
[INFO] [stderr]     Checking vhost v0.4.0
[INFO] [stderr]     Checking virtio-queue v0.2.0
[INFO] [stderr]  Documenting vhost-user-backend v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.21s
[INFO] running `Command { std: "docker" "inspect" "05e293c31c8a81ca924ca7f9de43db9519dac6811251d10b981690448dfb570d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e293c31c8a81ca924ca7f9de43db9519dac6811251d10b981690448dfb570d", kill_on_drop: false }`
[INFO] [stdout] 05e293c31c8a81ca924ca7f9de43db9519dac6811251d10b981690448dfb570d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] 2319fdca07f4da2e4bda89a26169113b07d5bede61afe4a54e399f729170c528
[INFO] running `Command { std: "docker" "start" "-a" "2319fdca07f4da2e4bda89a26169113b07d5bede61afe4a54e399f729170c528", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking virtio-bindings v0.1.0
[INFO] [stderr]     Checking vmm-sys-util v0.9.0
[INFO] [stderr]     Checking vm-memory v0.8.0
[INFO] [stderr]     Checking vm-memory v0.7.0
[INFO] [stderr]     Checking vhost v0.4.0
[INFO] [stderr]     Checking virtio-queue v0.2.0
[INFO] [stderr]  Documenting vhost-user-backend v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "2319fdca07f4da2e4bda89a26169113b07d5bede61afe4a54e399f729170c528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2319fdca07f4da2e4bda89a26169113b07d5bede61afe4a54e399f729170c528", kill_on_drop: false }`
[INFO] [stdout] 2319fdca07f4da2e4bda89a26169113b07d5bede61afe4a54e399f729170c528