[INFO] fetching crate nimiq-utils 0.2.0...
[INFO] documenting nimiq-utils-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate nimiq-utils 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nimiq-utils 0.2.0 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 nimiq-utils 0.2.0
[INFO] finished tweaking crates.io crate nimiq-utils 0.2.0
[INFO] tweaked toml for crates.io crate nimiq-utils 0.2.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 53ed0e3935e8d50383ba1b32151b70bcd64247cfaa1a43ff8ae96fa6fa8dde1d
[INFO] running `Command { std: "docker" "start" "-a" "53ed0e3935e8d50383ba1b32151b70bcd64247cfaa1a43ff8ae96fa6fa8dde1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ed0e3935e8d50383ba1b32151b70bcd64247cfaa1a43ff8ae96fa6fa8dde1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ed0e3935e8d50383ba1b32151b70bcd64247cfaa1a43ff8ae96fa6fa8dde1d", kill_on_drop: false }`
[INFO] [stdout] 53ed0e3935e8d50383ba1b32151b70bcd64247cfaa1a43ff8ae96fa6fa8dde1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 297a51eb45018006a5f3fbbaf38a356847940a396a398b9b5f9e34f0ef8e501b
[INFO] running `Command { std: "docker" "start" "-a" "297a51eb45018006a5f3fbbaf38a356847940a396a398b9b5f9e34f0ef8e501b", kill_on_drop: false }`
[INFO] [stderr]  Documenting nimiq-utils v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "297a51eb45018006a5f3fbbaf38a356847940a396a398b9b5f9e34f0ef8e501b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297a51eb45018006a5f3fbbaf38a356847940a396a398b9b5f9e34f0ef8e501b", kill_on_drop: false }`
[INFO] [stdout] 297a51eb45018006a5f3fbbaf38a356847940a396a398b9b5f9e34f0ef8e501b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c3d25c386274aa768d3aae16a8e75cc3b4c1fae45b44c1e588fbf57800caa0ef
[INFO] running `Command { std: "docker" "start" "-a" "c3d25c386274aa768d3aae16a8e75cc3b4c1fae45b44c1e588fbf57800caa0ef", kill_on_drop: false }`
[INFO] [stderr]  Documenting nimiq-utils v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "c3d25c386274aa768d3aae16a8e75cc3b4c1fae45b44c1e588fbf57800caa0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d25c386274aa768d3aae16a8e75cc3b4c1fae45b44c1e588fbf57800caa0ef", kill_on_drop: false }`
[INFO] [stdout] c3d25c386274aa768d3aae16a8e75cc3b4c1fae45b44c1e588fbf57800caa0ef