[INFO] fetching crate protoc-gen-prost 0.1.3...
[INFO] documenting protoc-gen-prost-0.1.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate protoc-gen-prost 0.1.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate protoc-gen-prost 0.1.3 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-gen-prost 0.1.3
[INFO] finished tweaking crates.io crate protoc-gen-prost 0.1.3
[INFO] tweaked toml for crates.io crate protoc-gen-prost 0.1.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate protoc-gen-prost 0.1.3 already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e91fc5d27bee635f7a48bd0365028c88a76a048e45671c9999cea56708ec1574
[INFO] running `Command { std: "docker" "start" "-a" "e91fc5d27bee635f7a48bd0365028c88a76a048e45671c9999cea56708ec1574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e91fc5d27bee635f7a48bd0365028c88a76a048e45671c9999cea56708ec1574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91fc5d27bee635f7a48bd0365028c88a76a048e45671c9999cea56708ec1574", kill_on_drop: false }`
[INFO] [stdout] e91fc5d27bee635f7a48bd0365028c88a76a048e45671c9999cea56708ec1574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 23ceaef891682cdfab2dfa917e72989e24d43719825e653535c0fd7509986cce
[INFO] running `Command { std: "docker" "start" "-a" "23ceaef891682cdfab2dfa917e72989e24d43719825e653535c0fd7509986cce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking heck v0.4.0
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling prost-build v0.10.0
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]    Compiling prost-derive v0.10.0
[INFO] [stderr]     Checking prost v0.10.0
[INFO] [stderr]     Checking prost-types v0.10.0
[INFO] [stderr]  Documenting protoc-gen-prost v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.23s
[INFO] running `Command { std: "docker" "inspect" "23ceaef891682cdfab2dfa917e72989e24d43719825e653535c0fd7509986cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ceaef891682cdfab2dfa917e72989e24d43719825e653535c0fd7509986cce", kill_on_drop: false }`
[INFO] [stdout] 23ceaef891682cdfab2dfa917e72989e24d43719825e653535c0fd7509986cce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 23fa3706702bd7774a5b204aa8d94e035f73ddd46659d3a7a4b60ec8b6ced53a
[INFO] running `Command { std: "docker" "start" "-a" "23fa3706702bd7774a5b204aa8d94e035f73ddd46659d3a7a4b60ec8b6ced53a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking heck v0.4.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling prost-build v0.10.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]    Compiling prost-derive v0.10.0
[INFO] [stderr]     Checking prost v0.10.0
[INFO] [stderr]     Checking prost-types v0.10.0
[INFO] [stderr]  Documenting protoc-gen-prost v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.00s
[INFO] running `Command { std: "docker" "inspect" "23fa3706702bd7774a5b204aa8d94e035f73ddd46659d3a7a4b60ec8b6ced53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fa3706702bd7774a5b204aa8d94e035f73ddd46659d3a7a4b60ec8b6ced53a", kill_on_drop: false }`
[INFO] [stdout] 23fa3706702bd7774a5b204aa8d94e035f73ddd46659d3a7a4b60ec8b6ced53a