[INFO] fetching crate arc-cache 0.2.5...
[INFO] documenting arc-cache-0.2.5 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate arc-cache 0.2.5 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate arc-cache 0.2.5 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 arc-cache 0.2.5
[INFO] finished tweaking crates.io crate arc-cache 0.2.5
[INFO] tweaked toml for crates.io crate arc-cache 0.2.5 written to /workspace/builds/worker-115/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] e28bafd5687ada46fc3952c0f6e9b09166311df34d440c87671227522e60d9ab
[INFO] running `Command { std: "docker" "start" "-a" "e28bafd5687ada46fc3952c0f6e9b09166311df34d440c87671227522e60d9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28bafd5687ada46fc3952c0f6e9b09166311df34d440c87671227522e60d9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28bafd5687ada46fc3952c0f6e9b09166311df34d440c87671227522e60d9ab", kill_on_drop: false }`
[INFO] [stdout] e28bafd5687ada46fc3952c0f6e9b09166311df34d440c87671227522e60d9ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 1d3b8d7674a400d9810e649caaed5819bf8a8c0e12628a1d33cc41c3a6b0ad0b
[INFO] running `Command { std: "docker" "start" "-a" "1d3b8d7674a400d9810e649caaed5819bf8a8c0e12628a1d33cc41c3a6b0ad0b", kill_on_drop: false }`
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking xlru-cache v0.1.2
[INFO] [stderr]  Documenting arc-cache v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "1d3b8d7674a400d9810e649caaed5819bf8a8c0e12628a1d33cc41c3a6b0ad0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3b8d7674a400d9810e649caaed5819bf8a8c0e12628a1d33cc41c3a6b0ad0b", kill_on_drop: false }`
[INFO] [stdout] 1d3b8d7674a400d9810e649caaed5819bf8a8c0e12628a1d33cc41c3a6b0ad0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] [stdout] 21577a659d3c0a118ba56e432da4b67d030cc7ca464ba9d2c347288ecda3528b
[INFO] running `Command { std: "docker" "start" "-a" "21577a659d3c0a118ba56e432da4b67d030cc7ca464ba9d2c347288ecda3528b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking xlru-cache v0.1.2
[INFO] [stderr]  Documenting arc-cache v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "21577a659d3c0a118ba56e432da4b67d030cc7ca464ba9d2c347288ecda3528b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21577a659d3c0a118ba56e432da4b67d030cc7ca464ba9d2c347288ecda3528b", kill_on_drop: false }`
[INFO] [stdout] 21577a659d3c0a118ba56e432da4b67d030cc7ca464ba9d2c347288ecda3528b