[INFO] fetching crate fingertrees 0.2.10...
[INFO] documenting fingertrees-0.2.10 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate fingertrees 0.2.10 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fingertrees 0.2.10 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 fingertrees 0.2.10
[INFO] finished tweaking crates.io crate fingertrees 0.2.10
[INFO] tweaked toml for crates.io crate fingertrees 0.2.10 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 67b321941459e69b950caf888e3265d4721c68d9744a2c255d70ec403fc84a34
[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" "67b321941459e69b950caf888e3265d4721c68d9744a2c255d70ec403fc84a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67b321941459e69b950caf888e3265d4721c68d9744a2c255d70ec403fc84a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b321941459e69b950caf888e3265d4721c68d9744a2c255d70ec403fc84a34", kill_on_drop: false }`
[INFO] [stdout] 67b321941459e69b950caf888e3265d4721c68d9744a2c255d70ec403fc84a34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2797fe84bc784b5bb9332f0d0464a5b6517989378c748f87f7a3696da5f8588f
[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" "2797fe84bc784b5bb9332f0d0464a5b6517989378c748f87f7a3696da5f8588f", kill_on_drop: false }`
[INFO] [stderr]  Documenting fingertrees v0.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "2797fe84bc784b5bb9332f0d0464a5b6517989378c748f87f7a3696da5f8588f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2797fe84bc784b5bb9332f0d0464a5b6517989378c748f87f7a3696da5f8588f", kill_on_drop: false }`
[INFO] [stdout] 2797fe84bc784b5bb9332f0d0464a5b6517989378c748f87f7a3696da5f8588f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+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] 5ff6033609d8e470f3a9c6ea80e8cc4559d51944d3b2f07c43994ea48cc2be61
[INFO] running `Command { std: "docker" "start" "-a" "5ff6033609d8e470f3a9c6ea80e8cc4559d51944d3b2f07c43994ea48cc2be61", kill_on_drop: false }`
[INFO] [stderr]  Documenting fingertrees v0.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "5ff6033609d8e470f3a9c6ea80e8cc4559d51944d3b2f07c43994ea48cc2be61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff6033609d8e470f3a9c6ea80e8cc4559d51944d3b2f07c43994ea48cc2be61", kill_on_drop: false }`
[INFO] [stdout] 5ff6033609d8e470f3a9c6ea80e8cc4559d51944d3b2f07c43994ea48cc2be61