[INFO] fetching crate subtract_nums 0.1.1...
[INFO] documenting subtract_nums-0.1.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate subtract_nums 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate subtract_nums 0.1.1 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 subtract_nums 0.1.1
[INFO] finished tweaking crates.io crate subtract_nums 0.1.1
[INFO] tweaked toml for crates.io crate subtract_nums 0.1.1 written to /workspace/builds/worker-13/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] 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" "+1.61.0" "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] be3ccf9fefe81ec02fd15963cf7ca7bb5a758e986e367c8cef0840058d2fc956
[INFO] running `Command { std: "docker" "start" "-a" "be3ccf9fefe81ec02fd15963cf7ca7bb5a758e986e367c8cef0840058d2fc956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be3ccf9fefe81ec02fd15963cf7ca7bb5a758e986e367c8cef0840058d2fc956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3ccf9fefe81ec02fd15963cf7ca7bb5a758e986e367c8cef0840058d2fc956", kill_on_drop: false }`
[INFO] [stdout] be3ccf9fefe81ec02fd15963cf7ca7bb5a758e986e367c8cef0840058d2fc956
[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" "+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] ee2bbfab471cc6319b9319daef3e9638c5176aee304de7c1ed5a3a13200d1a63
[INFO] running `Command { std: "docker" "start" "-a" "ee2bbfab471cc6319b9319daef3e9638c5176aee304de7c1ed5a3a13200d1a63", kill_on_drop: false }`
[INFO] [stderr]  Documenting subtract_nums v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "ee2bbfab471cc6319b9319daef3e9638c5176aee304de7c1ed5a3a13200d1a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2bbfab471cc6319b9319daef3e9638c5176aee304de7c1ed5a3a13200d1a63", kill_on_drop: false }`
[INFO] [stdout] ee2bbfab471cc6319b9319daef3e9638c5176aee304de7c1ed5a3a13200d1a63
[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" "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" "+1.61.0" "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] 995f097f667e9d7cd26176baee7d261fa82f8d5f1936c2ec6ad21578abfd7697
[INFO] running `Command { std: "docker" "start" "-a" "995f097f667e9d7cd26176baee7d261fa82f8d5f1936c2ec6ad21578abfd7697", kill_on_drop: false }`
[INFO] [stderr]  Documenting subtract_nums v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "995f097f667e9d7cd26176baee7d261fa82f8d5f1936c2ec6ad21578abfd7697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995f097f667e9d7cd26176baee7d261fa82f8d5f1936c2ec6ad21578abfd7697", kill_on_drop: false }`
[INFO] [stdout] 995f097f667e9d7cd26176baee7d261fa82f8d5f1936c2ec6ad21578abfd7697