[INFO] fetching crate protoc-grpcio 3.0.0...
[INFO] documenting protoc-grpcio-3.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate protoc-grpcio 3.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate protoc-grpcio 3.0.0 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] started tweaking crates.io crate protoc-grpcio 3.0.0
[INFO] finished tweaking crates.io crate protoc-grpcio 3.0.0
[INFO] tweaked toml for crates.io crate protoc-grpcio 3.0.0 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ac7995459fe125e0cace772ab7801aeefaa3728ba7762428ed7445297627caf9
[INFO] running `Command { std: "docker" "start" "-a" "ac7995459fe125e0cace772ab7801aeefaa3728ba7762428ed7445297627caf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac7995459fe125e0cace772ab7801aeefaa3728ba7762428ed7445297627caf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7995459fe125e0cace772ab7801aeefaa3728ba7762428ed7445297627caf9", kill_on_drop: false }`
[INFO] [stdout] ac7995459fe125e0cace772ab7801aeefaa3728ba7762428ed7445297627caf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 8de29c0896bc442848ed73cd115919bc31353944087637d8aea1c3df33e6718d
[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" "8de29c0896bc442848ed73cd115919bc31353944087637d8aea1c3df33e6718d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking protoc v2.27.1
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking protobuf-codegen v2.27.1
[INFO] [stderr]     Checking grpcio-compiler v0.7.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting protoc-grpcio v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.08s
[INFO] running `Command { std: "docker" "inspect" "8de29c0896bc442848ed73cd115919bc31353944087637d8aea1c3df33e6718d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de29c0896bc442848ed73cd115919bc31353944087637d8aea1c3df33e6718d", kill_on_drop: false }`
[INFO] [stdout] 8de29c0896bc442848ed73cd115919bc31353944087637d8aea1c3df33e6718d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60d8a0f02c6d10ec49a83e2cbd9c4d2373e474b64f70fd7515383637feee88a2
[INFO] running `Command { std: "docker" "start" "-a" "60d8a0f02c6d10ec49a83e2cbd9c4d2373e474b64f70fd7515383637feee88a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking protoc v2.27.1
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking protobuf-codegen v2.27.1
[INFO] [stderr]     Checking grpcio-compiler v0.7.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting protoc-grpcio v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.42s
[INFO] running `Command { std: "docker" "inspect" "60d8a0f02c6d10ec49a83e2cbd9c4d2373e474b64f70fd7515383637feee88a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d8a0f02c6d10ec49a83e2cbd9c4d2373e474b64f70fd7515383637feee88a2", kill_on_drop: false }`
[INFO] [stdout] 60d8a0f02c6d10ec49a83e2cbd9c4d2373e474b64f70fd7515383637feee88a2