[INFO] fetching crate segment-tree 2.0.0...
[INFO] documenting segment-tree-2.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate segment-tree 2.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate segment-tree 2.0.0 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 segment-tree 2.0.0
[INFO] finished tweaking crates.io crate segment-tree 2.0.0
[INFO] tweaked toml for crates.io crate segment-tree 2.0.0 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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 369c070b9d50b32b9edfb838e778b10bc3268561644b18fe895cd28eed5adfc0
[INFO] running `Command { std: "docker" "start" "-a" "369c070b9d50b32b9edfb838e778b10bc3268561644b18fe895cd28eed5adfc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "369c070b9d50b32b9edfb838e778b10bc3268561644b18fe895cd28eed5adfc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369c070b9d50b32b9edfb838e778b10bc3268561644b18fe895cd28eed5adfc0", kill_on_drop: false }`
[INFO] [stdout] 369c070b9d50b32b9edfb838e778b10bc3268561644b18fe895cd28eed5adfc0
[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] 53c9edfce8c04e7352cd90c5c0381ad63b0c1253baab336d8a4ce5e7349ebc3e
[INFO] running `Command { std: "docker" "start" "-a" "53c9edfce8c04e7352cd90c5c0381ad63b0c1253baab336d8a4ce5e7349ebc3e", kill_on_drop: false }`
[INFO] [stderr]  Documenting segment-tree v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "53c9edfce8c04e7352cd90c5c0381ad63b0c1253baab336d8a4ce5e7349ebc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c9edfce8c04e7352cd90c5c0381ad63b0c1253baab336d8a4ce5e7349ebc3e", kill_on_drop: false }`
[INFO] [stdout] 53c9edfce8c04e7352cd90c5c0381ad63b0c1253baab336d8a4ce5e7349ebc3e
[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" "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" "--features" "num-bigint" "--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] 07680a568016b86e2a49517b91c82972df9e9e8e89fb7982b583d816087e4183
[INFO] running `Command { std: "docker" "start" "-a" "07680a568016b86e2a49517b91c82972df9e9e8e89fb7982b583d816087e4183", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]  Documenting segment-tree v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.84s
[INFO] running `Command { std: "docker" "inspect" "07680a568016b86e2a49517b91c82972df9e9e8e89fb7982b583d816087e4183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07680a568016b86e2a49517b91c82972df9e9e8e89fb7982b583d816087e4183", kill_on_drop: false }`
[INFO] [stdout] 07680a568016b86e2a49517b91c82972df9e9e8e89fb7982b583d816087e4183