[INFO] fetching crate prost-serde 0.3.0...
[INFO] documenting prost-serde-0.3.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate prost-serde 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate prost-serde 0.3.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-serde 0.3.0
[INFO] finished tweaking crates.io crate prost-serde 0.3.0
[INFO] tweaked toml for crates.io crate prost-serde 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-helper v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6135609f45960492b39507f5d231e0a30eb1e0119f514fcc0528880dcc573e12
[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" "6135609f45960492b39507f5d231e0a30eb1e0119f514fcc0528880dcc573e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6135609f45960492b39507f5d231e0a30eb1e0119f514fcc0528880dcc573e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6135609f45960492b39507f5d231e0a30eb1e0119f514fcc0528880dcc573e12", kill_on_drop: false }`
[INFO] [stdout] 6135609f45960492b39507f5d231e0a30eb1e0119f514fcc0528880dcc573e12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "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] f5ace0cfdeb55e789dcc587c0962a90b5c6235db41617cba5aa4736384ba2fc8
[INFO] running `Command { std: "docker" "start" "-a" "f5ace0cfdeb55e789dcc587c0962a90b5c6235db41617cba5aa4736384ba2fc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]     Checking petgraph v0.6.2
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]     Checking prost v0.9.0
[INFO] [stderr]     Checking prost-types v0.9.0
[INFO] [stderr]  Documenting prost-serde v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "f5ace0cfdeb55e789dcc587c0962a90b5c6235db41617cba5aa4736384ba2fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ace0cfdeb55e789dcc587c0962a90b5c6235db41617cba5aa4736384ba2fc8", kill_on_drop: false }`
[INFO] [stdout] f5ace0cfdeb55e789dcc587c0962a90b5c6235db41617cba5aa4736384ba2fc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 2c8dc1332f0be870277cdadd0687a3e317900232843f05b2986457fc38ba3a90
[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" "2c8dc1332f0be870277cdadd0687a3e317900232843f05b2986457fc38ba3a90", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]     Checking petgraph v0.6.2
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]     Checking prost v0.9.0
[INFO] [stderr]     Checking prost-types v0.9.0
[INFO] [stderr]  Documenting prost-serde v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "2c8dc1332f0be870277cdadd0687a3e317900232843f05b2986457fc38ba3a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8dc1332f0be870277cdadd0687a3e317900232843f05b2986457fc38ba3a90", kill_on_drop: false }`
[INFO] [stdout] 2c8dc1332f0be870277cdadd0687a3e317900232843f05b2986457fc38ba3a90