[INFO] fetching crate finder 0.1.6...
[INFO] documenting finder-0.1.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate finder 0.1.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate finder 0.1.6 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 finder 0.1.6
[INFO] finished tweaking crates.io crate finder 0.1.6
[INFO] tweaked toml for crates.io crate finder 0.1.6 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate finder 0.1.6 already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] eb8db7efc0f99f5a4510d0bb59f94a9aea825f95aa6a5d403a8ccd383c5d6aea
[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" "eb8db7efc0f99f5a4510d0bb59f94a9aea825f95aa6a5d403a8ccd383c5d6aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb8db7efc0f99f5a4510d0bb59f94a9aea825f95aa6a5d403a8ccd383c5d6aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8db7efc0f99f5a4510d0bb59f94a9aea825f95aa6a5d403a8ccd383c5d6aea", kill_on_drop: false }`
[INFO] [stdout] eb8db7efc0f99f5a4510d0bb59f94a9aea825f95aa6a5d403a8ccd383c5d6aea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4d1657cb9624550278d122b2e789043066ba10a77e6b8ee4779bbafdd515b0c5
[INFO] running `Command { std: "docker" "start" "-a" "4d1657cb9624550278d122b2e789043066ba10a77e6b8ee4779bbafdd515b0c5", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]  Documenting finder v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "4d1657cb9624550278d122b2e789043066ba10a77e6b8ee4779bbafdd515b0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1657cb9624550278d122b2e789043066ba10a77e6b8ee4779bbafdd515b0c5", kill_on_drop: false }`
[INFO] [stdout] 4d1657cb9624550278d122b2e789043066ba10a77e6b8ee4779bbafdd515b0c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 8bc3ab929c03db4f717d3e41d39c50ab90e9ad2ebb414a4f4412445c8507a295
[INFO] running `Command { std: "docker" "start" "-a" "8bc3ab929c03db4f717d3e41d39c50ab90e9ad2ebb414a4f4412445c8507a295", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]  Documenting finder v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "8bc3ab929c03db4f717d3e41d39c50ab90e9ad2ebb414a4f4412445c8507a295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc3ab929c03db4f717d3e41d39c50ab90e9ad2ebb414a4f4412445c8507a295", kill_on_drop: false }`
[INFO] [stdout] 8bc3ab929c03db4f717d3e41d39c50ab90e9ad2ebb414a4f4412445c8507a295