[INFO] fetching crate protoc-rust 2.27.1...
[INFO] documenting protoc-rust-2.27.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate protoc-rust 2.27.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate protoc-rust 2.27.1 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 protoc-rust 2.27.1
[INFO] finished tweaking crates.io crate protoc-rust 2.27.1
[INFO] tweaked toml for crates.io crate protoc-rust 2.27.1 written to /workspace/builds/worker-9/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] [stderr]     Blocking waiting for file lock on package cache
[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-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" "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] f9ac2f3c70daea2c8d8bacca0c3923f8e8ffdea8f11ea35b92d1450135c7e4c1
[INFO] running `Command { std: "docker" "start" "-a" "f9ac2f3c70daea2c8d8bacca0c3923f8e8ffdea8f11ea35b92d1450135c7e4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9ac2f3c70daea2c8d8bacca0c3923f8e8ffdea8f11ea35b92d1450135c7e4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ac2f3c70daea2c8d8bacca0c3923f8e8ffdea8f11ea35b92d1450135c7e4c1", kill_on_drop: false }`
[INFO] [stdout] f9ac2f3c70daea2c8d8bacca0c3923f8e8ffdea8f11ea35b92d1450135c7e4c1
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0dc41c8412db9da5ab7f3704992f7fdfb7cd5b2ec01dd3b5f553a6a5fd18a189
[INFO] running `Command { std: "docker" "start" "-a" "0dc41c8412db9da5ab7f3704992f7fdfb7cd5b2ec01dd3b5f553a6a5fd18a189", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking protoc v2.27.1
[INFO] [stderr]     Checking protobuf-codegen v2.27.1
[INFO] [stderr]  Documenting protoc-rust v2.27.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.71s
[INFO] running `Command { std: "docker" "inspect" "0dc41c8412db9da5ab7f3704992f7fdfb7cd5b2ec01dd3b5f553a6a5fd18a189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc41c8412db9da5ab7f3704992f7fdfb7cd5b2ec01dd3b5f553a6a5fd18a189", kill_on_drop: false }`
[INFO] [stdout] 0dc41c8412db9da5ab7f3704992f7fdfb7cd5b2ec01dd3b5f553a6a5fd18a189
[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" "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" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 737d4412b6e9404dd8124fedbbe492ad4549b6d84010db03c717313f55d05921
[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" "737d4412b6e9404dd8124fedbbe492ad4549b6d84010db03c717313f55d05921", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking protoc v2.27.1
[INFO] [stderr]     Checking protobuf-codegen v2.27.1
[INFO] [stderr]  Documenting protoc-rust v2.27.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `Command { std: "docker" "inspect" "737d4412b6e9404dd8124fedbbe492ad4549b6d84010db03c717313f55d05921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737d4412b6e9404dd8124fedbbe492ad4549b6d84010db03c717313f55d05921", kill_on_drop: false }`
[INFO] [stdout] 737d4412b6e9404dd8124fedbbe492ad4549b6d84010db03c717313f55d05921